var xrpl; /******/ (() => { // webpackBootstrap /******/ var __webpack_modules__ = ({ /***/ "../../node_modules/asn1.js/lib/asn1.js": /*!**********************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1.js ***! \**********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const asn1 = exports; asn1.bignum = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); asn1.define = (__webpack_require__(/*! ./asn1/api */ "../../node_modules/asn1.js/lib/asn1/api.js").define); asn1.base = __webpack_require__(/*! ./asn1/base */ "../../node_modules/asn1.js/lib/asn1/base/index.js"); asn1.constants = __webpack_require__(/*! ./asn1/constants */ "../../node_modules/asn1.js/lib/asn1/constants/index.js"); asn1.decoders = __webpack_require__(/*! ./asn1/decoders */ "../../node_modules/asn1.js/lib/asn1/decoders/index.js"); asn1.encoders = __webpack_require__(/*! ./asn1/encoders */ "../../node_modules/asn1.js/lib/asn1/encoders/index.js"); /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/api.js": /*!**************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/api.js ***! \**************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const encoders = __webpack_require__(/*! ./encoders */ "../../node_modules/asn1.js/lib/asn1/encoders/index.js"); const decoders = __webpack_require__(/*! ./decoders */ "../../node_modules/asn1.js/lib/asn1/decoders/index.js"); const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); const api = exports; api.define = function define(name, body) { return new Entity(name, body); }; function Entity(name, body) { this.name = name; this.body = body; this.decoders = {}; this.encoders = {}; } Entity.prototype._createNamed = function createNamed(Base) { const name = this.name; function Generated(entity) { this._initNamed(entity, name); } inherits(Generated, Base); Generated.prototype._initNamed = function _initNamed(entity, name) { Base.call(this, entity, name); }; return new Generated(this); }; Entity.prototype._getDecoder = function _getDecoder(enc) { enc = enc || 'der'; // Lazily create decoder if (!this.decoders.hasOwnProperty(enc)) this.decoders[enc] = this._createNamed(decoders[enc]); return this.decoders[enc]; }; Entity.prototype.decode = function decode(data, enc, options) { return this._getDecoder(enc).decode(data, options); }; Entity.prototype._getEncoder = function _getEncoder(enc) { enc = enc || 'der'; // Lazily create encoder if (!this.encoders.hasOwnProperty(enc)) this.encoders[enc] = this._createNamed(encoders[enc]); return this.encoders[enc]; }; Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) { return this._getEncoder(enc).encode(data, reporter); }; /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/base/buffer.js": /*!**********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/base/buffer.js ***! \**********************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); const Reporter = (__webpack_require__(/*! ../base/reporter */ "../../node_modules/asn1.js/lib/asn1/base/reporter.js").Reporter); const Buffer = (__webpack_require__(/*! safer-buffer */ "../../node_modules/safer-buffer/safer.js").Buffer); function DecoderBuffer(base, options) { Reporter.call(this, options); if (!Buffer.isBuffer(base)) { this.error('Input not Buffer'); return; } this.base = base; this.offset = 0; this.length = base.length; } inherits(DecoderBuffer, Reporter); exports.DecoderBuffer = DecoderBuffer; DecoderBuffer.isDecoderBuffer = function isDecoderBuffer(data) { if (data instanceof DecoderBuffer) { return true; } // Or accept compatible API const isCompatible = typeof data === 'object' && Buffer.isBuffer(data.base) && data.constructor.name === 'DecoderBuffer' && typeof data.offset === 'number' && typeof data.length === 'number' && typeof data.save === 'function' && typeof data.restore === 'function' && typeof data.isEmpty === 'function' && typeof data.readUInt8 === 'function' && typeof data.skip === 'function' && typeof data.raw === 'function'; return isCompatible; }; DecoderBuffer.prototype.save = function save() { return { offset: this.offset, reporter: Reporter.prototype.save.call(this) }; }; DecoderBuffer.prototype.restore = function restore(save) { // Return skipped data const res = new DecoderBuffer(this.base); res.offset = save.offset; res.length = this.offset; this.offset = save.offset; Reporter.prototype.restore.call(this, save.reporter); return res; }; DecoderBuffer.prototype.isEmpty = function isEmpty() { return this.offset === this.length; }; DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) { if (this.offset + 1 <= this.length) return this.base.readUInt8(this.offset++, true); else return this.error(fail || 'DecoderBuffer overrun'); }; DecoderBuffer.prototype.skip = function skip(bytes, fail) { if (!(this.offset + bytes <= this.length)) return this.error(fail || 'DecoderBuffer overrun'); const res = new DecoderBuffer(this.base); // Share reporter state res._reporterState = this._reporterState; res.offset = this.offset; res.length = this.offset + bytes; this.offset += bytes; return res; }; DecoderBuffer.prototype.raw = function raw(save) { return this.base.slice(save ? save.offset : this.offset, this.length); }; function EncoderBuffer(value, reporter) { if (Array.isArray(value)) { this.length = 0; this.value = value.map(function(item) { if (!EncoderBuffer.isEncoderBuffer(item)) item = new EncoderBuffer(item, reporter); this.length += item.length; return item; }, this); } else if (typeof value === 'number') { if (!(0 <= value && value <= 0xff)) return reporter.error('non-byte EncoderBuffer value'); this.value = value; this.length = 1; } else if (typeof value === 'string') { this.value = value; this.length = Buffer.byteLength(value); } else if (Buffer.isBuffer(value)) { this.value = value; this.length = value.length; } else { return reporter.error('Unsupported type: ' + typeof value); } } exports.EncoderBuffer = EncoderBuffer; EncoderBuffer.isEncoderBuffer = function isEncoderBuffer(data) { if (data instanceof EncoderBuffer) { return true; } // Or accept compatible API const isCompatible = typeof data === 'object' && data.constructor.name === 'EncoderBuffer' && typeof data.length === 'number' && typeof data.join === 'function'; return isCompatible; }; EncoderBuffer.prototype.join = function join(out, offset) { if (!out) out = Buffer.alloc(this.length); if (!offset) offset = 0; if (this.length === 0) return out; if (Array.isArray(this.value)) { this.value.forEach(function(item) { item.join(out, offset); offset += item.length; }); } else { if (typeof this.value === 'number') out[offset] = this.value; else if (typeof this.value === 'string') out.write(this.value, offset); else if (Buffer.isBuffer(this.value)) this.value.copy(out, offset); offset += this.length; } return out; }; /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/base/index.js": /*!*********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/base/index.js ***! \*********************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const base = exports; base.Reporter = (__webpack_require__(/*! ./reporter */ "../../node_modules/asn1.js/lib/asn1/base/reporter.js").Reporter); base.DecoderBuffer = (__webpack_require__(/*! ./buffer */ "../../node_modules/asn1.js/lib/asn1/base/buffer.js").DecoderBuffer); base.EncoderBuffer = (__webpack_require__(/*! ./buffer */ "../../node_modules/asn1.js/lib/asn1/base/buffer.js").EncoderBuffer); base.Node = __webpack_require__(/*! ./node */ "../../node_modules/asn1.js/lib/asn1/base/node.js"); /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/base/node.js": /*!********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/base/node.js ***! \********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; const Reporter = (__webpack_require__(/*! ../base/reporter */ "../../node_modules/asn1.js/lib/asn1/base/reporter.js").Reporter); const EncoderBuffer = (__webpack_require__(/*! ../base/buffer */ "../../node_modules/asn1.js/lib/asn1/base/buffer.js").EncoderBuffer); const DecoderBuffer = (__webpack_require__(/*! ../base/buffer */ "../../node_modules/asn1.js/lib/asn1/base/buffer.js").DecoderBuffer); const assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); // Supported tags const tags = [ 'seq', 'seqof', 'set', 'setof', 'objid', 'bool', 'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc', 'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str', 'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr' ]; // Public methods list const methods = [ 'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice', 'any', 'contains' ].concat(tags); // Overrided methods list const overrided = [ '_peekTag', '_decodeTag', '_use', '_decodeStr', '_decodeObjid', '_decodeTime', '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList', '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime', '_encodeNull', '_encodeInt', '_encodeBool' ]; function Node(enc, parent, name) { const state = {}; this._baseState = state; state.name = name; state.enc = enc; state.parent = parent || null; state.children = null; // State state.tag = null; state.args = null; state.reverseArgs = null; state.choice = null; state.optional = false; state.any = false; state.obj = false; state.use = null; state.useDecoder = null; state.key = null; state['default'] = null; state.explicit = null; state.implicit = null; state.contains = null; // Should create new instance on each method if (!state.parent) { state.children = []; this._wrap(); } } module.exports = Node; const stateProps = [ 'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice', 'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit', 'implicit', 'contains' ]; Node.prototype.clone = function clone() { const state = this._baseState; const cstate = {}; stateProps.forEach(function(prop) { cstate[prop] = state[prop]; }); const res = new this.constructor(cstate.parent); res._baseState = cstate; return res; }; Node.prototype._wrap = function wrap() { const state = this._baseState; methods.forEach(function(method) { this[method] = function _wrappedMethod() { const clone = new this.constructor(this); state.children.push(clone); return clone[method].apply(clone, arguments); }; }, this); }; Node.prototype._init = function init(body) { const state = this._baseState; assert(state.parent === null); body.call(this); // Filter children state.children = state.children.filter(function(child) { return child._baseState.parent === this; }, this); assert.equal(state.children.length, 1, 'Root node can have only one child'); }; Node.prototype._useArgs = function useArgs(args) { const state = this._baseState; // Filter children and args const children = args.filter(function(arg) { return arg instanceof this.constructor; }, this); args = args.filter(function(arg) { return !(arg instanceof this.constructor); }, this); if (children.length !== 0) { assert(state.children === null); state.children = children; // Replace parent to maintain backward link children.forEach(function(child) { child._baseState.parent = this; }, this); } if (args.length !== 0) { assert(state.args === null); state.args = args; state.reverseArgs = args.map(function(arg) { if (typeof arg !== 'object' || arg.constructor !== Object) return arg; const res = {}; Object.keys(arg).forEach(function(key) { if (key == (key | 0)) key |= 0; const value = arg[key]; res[value] = key; }); return res; }); } }; // // Overrided methods // overrided.forEach(function(method) { Node.prototype[method] = function _overrided() { const state = this._baseState; throw new Error(method + ' not implemented for encoding: ' + state.enc); }; }); // // Public methods // tags.forEach(function(tag) { Node.prototype[tag] = function _tagMethod() { const state = this._baseState; const args = Array.prototype.slice.call(arguments); assert(state.tag === null); state.tag = tag; this._useArgs(args); return this; }; }); Node.prototype.use = function use(item) { assert(item); const state = this._baseState; assert(state.use === null); state.use = item; return this; }; Node.prototype.optional = function optional() { const state = this._baseState; state.optional = true; return this; }; Node.prototype.def = function def(val) { const state = this._baseState; assert(state['default'] === null); state['default'] = val; state.optional = true; return this; }; Node.prototype.explicit = function explicit(num) { const state = this._baseState; assert(state.explicit === null && state.implicit === null); state.explicit = num; return this; }; Node.prototype.implicit = function implicit(num) { const state = this._baseState; assert(state.explicit === null && state.implicit === null); state.implicit = num; return this; }; Node.prototype.obj = function obj() { const state = this._baseState; const args = Array.prototype.slice.call(arguments); state.obj = true; if (args.length !== 0) this._useArgs(args); return this; }; Node.prototype.key = function key(newKey) { const state = this._baseState; assert(state.key === null); state.key = newKey; return this; }; Node.prototype.any = function any() { const state = this._baseState; state.any = true; return this; }; Node.prototype.choice = function choice(obj) { const state = this._baseState; assert(state.choice === null); state.choice = obj; this._useArgs(Object.keys(obj).map(function(key) { return obj[key]; })); return this; }; Node.prototype.contains = function contains(item) { const state = this._baseState; assert(state.use === null); state.contains = item; return this; }; // // Decoding // Node.prototype._decode = function decode(input, options) { const state = this._baseState; // Decode root node if (state.parent === null) return input.wrapResult(state.children[0]._decode(input, options)); let result = state['default']; let present = true; let prevKey = null; if (state.key !== null) prevKey = input.enterKey(state.key); // Check if tag is there if (state.optional) { let tag = null; if (state.explicit !== null) tag = state.explicit; else if (state.implicit !== null) tag = state.implicit; else if (state.tag !== null) tag = state.tag; if (tag === null && !state.any) { // Trial and Error const save = input.save(); try { if (state.choice === null) this._decodeGeneric(state.tag, input, options); else this._decodeChoice(input, options); present = true; } catch (e) { present = false; } input.restore(save); } else { present = this._peekTag(input, tag, state.any); if (input.isError(present)) return present; } } // Push object on stack let prevObj; if (state.obj && present) prevObj = input.enterObject(); if (present) { // Unwrap explicit values if (state.explicit !== null) { const explicit = this._decodeTag(input, state.explicit); if (input.isError(explicit)) return explicit; input = explicit; } const start = input.offset; // Unwrap implicit and normal values if (state.use === null && state.choice === null) { let save; if (state.any) save = input.save(); const body = this._decodeTag( input, state.implicit !== null ? state.implicit : state.tag, state.any ); if (input.isError(body)) return body; if (state.any) result = input.raw(save); else input = body; } if (options && options.track && state.tag !== null) options.track(input.path(), start, input.length, 'tagged'); if (options && options.track && state.tag !== null) options.track(input.path(), input.offset, input.length, 'content'); // Select proper method for tag if (state.any) { // no-op } else if (state.choice === null) { result = this._decodeGeneric(state.tag, input, options); } else { result = this._decodeChoice(input, options); } if (input.isError(result)) return result; // Decode children if (!state.any && state.choice === null && state.children !== null) { state.children.forEach(function decodeChildren(child) { // NOTE: We are ignoring errors here, to let parser continue with other // parts of encoded data child._decode(input, options); }); } // Decode contained/encoded by schema, only in bit or octet strings if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) { const data = new DecoderBuffer(result); result = this._getUse(state.contains, input._reporterState.obj) ._decode(data, options); } } // Pop object if (state.obj && present) result = input.leaveObject(prevObj); // Set key if (state.key !== null && (result !== null || present === true)) input.leaveKey(prevKey, state.key, result); else if (prevKey !== null) input.exitKey(prevKey); return result; }; Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) { const state = this._baseState; if (tag === 'seq' || tag === 'set') return null; if (tag === 'seqof' || tag === 'setof') return this._decodeList(input, tag, state.args[0], options); else if (/str$/.test(tag)) return this._decodeStr(input, tag, options); else if (tag === 'objid' && state.args) return this._decodeObjid(input, state.args[0], state.args[1], options); else if (tag === 'objid') return this._decodeObjid(input, null, null, options); else if (tag === 'gentime' || tag === 'utctime') return this._decodeTime(input, tag, options); else if (tag === 'null_') return this._decodeNull(input, options); else if (tag === 'bool') return this._decodeBool(input, options); else if (tag === 'objDesc') return this._decodeStr(input, tag, options); else if (tag === 'int' || tag === 'enum') return this._decodeInt(input, state.args && state.args[0], options); if (state.use !== null) { return this._getUse(state.use, input._reporterState.obj) ._decode(input, options); } else { return input.error('unknown tag: ' + tag); } }; Node.prototype._getUse = function _getUse(entity, obj) { const state = this._baseState; // Create altered use decoder if implicit is set state.useDecoder = this._use(entity, obj); assert(state.useDecoder._baseState.parent === null); state.useDecoder = state.useDecoder._baseState.children[0]; if (state.implicit !== state.useDecoder._baseState.implicit) { state.useDecoder = state.useDecoder.clone(); state.useDecoder._baseState.implicit = state.implicit; } return state.useDecoder; }; Node.prototype._decodeChoice = function decodeChoice(input, options) { const state = this._baseState; let result = null; let match = false; Object.keys(state.choice).some(function(key) { const save = input.save(); const node = state.choice[key]; try { const value = node._decode(input, options); if (input.isError(value)) return false; result = { type: key, value: value }; match = true; } catch (e) { input.restore(save); return false; } return true; }, this); if (!match) return input.error('Choice not matched'); return result; }; // // Encoding // Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) { return new EncoderBuffer(data, this.reporter); }; Node.prototype._encode = function encode(data, reporter, parent) { const state = this._baseState; if (state['default'] !== null && state['default'] === data) return; const result = this._encodeValue(data, reporter, parent); if (result === undefined) return; if (this._skipDefault(result, reporter, parent)) return; return result; }; Node.prototype._encodeValue = function encode(data, reporter, parent) { const state = this._baseState; // Decode root node if (state.parent === null) return state.children[0]._encode(data, reporter || new Reporter()); let result = null; // Set reporter to share it with a child class this.reporter = reporter; // Check if data is there if (state.optional && data === undefined) { if (state['default'] !== null) data = state['default']; else return; } // Encode children first let content = null; let primitive = false; if (state.any) { // Anything that was given is translated to buffer result = this._createEncoderBuffer(data); } else if (state.choice) { result = this._encodeChoice(data, reporter); } else if (state.contains) { content = this._getUse(state.contains, parent)._encode(data, reporter); primitive = true; } else if (state.children) { content = state.children.map(function(child) { if (child._baseState.tag === 'null_') return child._encode(null, reporter, data); if (child._baseState.key === null) return reporter.error('Child should have a key'); const prevKey = reporter.enterKey(child._baseState.key); if (typeof data !== 'object') return reporter.error('Child expected, but input is not object'); const res = child._encode(data[child._baseState.key], reporter, data); reporter.leaveKey(prevKey); return res; }, this).filter(function(child) { return child; }); content = this._createEncoderBuffer(content); } else { if (state.tag === 'seqof' || state.tag === 'setof') { // TODO(indutny): this should be thrown on DSL level if (!(state.args && state.args.length === 1)) return reporter.error('Too many args for : ' + state.tag); if (!Array.isArray(data)) return reporter.error('seqof/setof, but data is not Array'); const child = this.clone(); child._baseState.implicit = null; content = this._createEncoderBuffer(data.map(function(item) { const state = this._baseState; return this._getUse(state.args[0], data)._encode(item, reporter); }, child)); } else if (state.use !== null) { result = this._getUse(state.use, parent)._encode(data, reporter); } else { content = this._encodePrimitive(state.tag, data); primitive = true; } } // Encode data itself if (!state.any && state.choice === null) { const tag = state.implicit !== null ? state.implicit : state.tag; const cls = state.implicit === null ? 'universal' : 'context'; if (tag === null) { if (state.use === null) reporter.error('Tag could be omitted only for .use()'); } else { if (state.use === null) result = this._encodeComposite(tag, primitive, cls, content); } } // Wrap in explicit if (state.explicit !== null) result = this._encodeComposite(state.explicit, false, 'context', result); return result; }; Node.prototype._encodeChoice = function encodeChoice(data, reporter) { const state = this._baseState; const node = state.choice[data.type]; if (!node) { assert( false, data.type + ' not found in ' + JSON.stringify(Object.keys(state.choice))); } return node._encode(data.value, reporter); }; Node.prototype._encodePrimitive = function encodePrimitive(tag, data) { const state = this._baseState; if (/str$/.test(tag)) return this._encodeStr(data, tag); else if (tag === 'objid' && state.args) return this._encodeObjid(data, state.reverseArgs[0], state.args[1]); else if (tag === 'objid') return this._encodeObjid(data, null, null); else if (tag === 'gentime' || tag === 'utctime') return this._encodeTime(data, tag); else if (tag === 'null_') return this._encodeNull(); else if (tag === 'int' || tag === 'enum') return this._encodeInt(data, state.args && state.reverseArgs[0]); else if (tag === 'bool') return this._encodeBool(data); else if (tag === 'objDesc') return this._encodeStr(data, tag); else throw new Error('Unsupported tag: ' + tag); }; Node.prototype._isNumstr = function isNumstr(str) { return /^[0-9 ]*$/.test(str); }; Node.prototype._isPrintstr = function isPrintstr(str) { return /^[A-Za-z0-9 '()+,-./:=?]*$/.test(str); }; /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/base/reporter.js": /*!************************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/base/reporter.js ***! \************************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); function Reporter(options) { this._reporterState = { obj: null, path: [], options: options || {}, errors: [] }; } exports.Reporter = Reporter; Reporter.prototype.isError = function isError(obj) { return obj instanceof ReporterError; }; Reporter.prototype.save = function save() { const state = this._reporterState; return { obj: state.obj, pathLen: state.path.length }; }; Reporter.prototype.restore = function restore(data) { const state = this._reporterState; state.obj = data.obj; state.path = state.path.slice(0, data.pathLen); }; Reporter.prototype.enterKey = function enterKey(key) { return this._reporterState.path.push(key); }; Reporter.prototype.exitKey = function exitKey(index) { const state = this._reporterState; state.path = state.path.slice(0, index - 1); }; Reporter.prototype.leaveKey = function leaveKey(index, key, value) { const state = this._reporterState; this.exitKey(index); if (state.obj !== null) state.obj[key] = value; }; Reporter.prototype.path = function path() { return this._reporterState.path.join('/'); }; Reporter.prototype.enterObject = function enterObject() { const state = this._reporterState; const prev = state.obj; state.obj = {}; return prev; }; Reporter.prototype.leaveObject = function leaveObject(prev) { const state = this._reporterState; const now = state.obj; state.obj = prev; return now; }; Reporter.prototype.error = function error(msg) { let err; const state = this._reporterState; const inherited = msg instanceof ReporterError; if (inherited) { err = msg; } else { err = new ReporterError(state.path.map(function(elem) { return '[' + JSON.stringify(elem) + ']'; }).join(''), msg.message || msg, msg.stack); } if (!state.options.partial) throw err; if (!inherited) state.errors.push(err); return err; }; Reporter.prototype.wrapResult = function wrapResult(result) { const state = this._reporterState; if (!state.options.partial) return result; return { result: this.isError(result) ? null : result, errors: state.errors }; }; function ReporterError(path, msg) { this.path = path; this.rethrow(msg); } inherits(ReporterError, Error); ReporterError.prototype.rethrow = function rethrow(msg) { this.message = msg + ' at: ' + (this.path || '(shallow)'); if (Error.captureStackTrace) Error.captureStackTrace(this, ReporterError); if (!this.stack) { try { // IE only adds stack when thrown throw new Error(this.message); } catch (e) { this.stack = e.stack; } } return this; }; /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/constants/der.js": /*!************************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/constants/der.js ***! \************************************************************/ /***/ ((__unused_webpack_module, exports) => { "use strict"; // Helper function reverse(map) { const res = {}; Object.keys(map).forEach(function(key) { // Convert key to integer if it is stringified if ((key | 0) == key) key = key | 0; const value = map[key]; res[value] = key; }); return res; } exports.tagClass = { 0: 'universal', 1: 'application', 2: 'context', 3: 'private' }; exports.tagClassByName = reverse(exports.tagClass); exports.tag = { 0x00: 'end', 0x01: 'bool', 0x02: 'int', 0x03: 'bitstr', 0x04: 'octstr', 0x05: 'null_', 0x06: 'objid', 0x07: 'objDesc', 0x08: 'external', 0x09: 'real', 0x0a: 'enum', 0x0b: 'embed', 0x0c: 'utf8str', 0x0d: 'relativeOid', 0x10: 'seq', 0x11: 'set', 0x12: 'numstr', 0x13: 'printstr', 0x14: 't61str', 0x15: 'videostr', 0x16: 'ia5str', 0x17: 'utctime', 0x18: 'gentime', 0x19: 'graphstr', 0x1a: 'iso646str', 0x1b: 'genstr', 0x1c: 'unistr', 0x1d: 'charstr', 0x1e: 'bmpstr' }; exports.tagByName = reverse(exports.tag); /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/constants/index.js": /*!**************************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/constants/index.js ***! \**************************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const constants = exports; // Helper constants._reverse = function reverse(map) { const res = {}; Object.keys(map).forEach(function(key) { // Convert key to integer if it is stringified if ((key | 0) == key) key = key | 0; const value = map[key]; res[value] = key; }); return res; }; constants.der = __webpack_require__(/*! ./der */ "../../node_modules/asn1.js/lib/asn1/constants/der.js"); /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/decoders/der.js": /*!***********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/decoders/der.js ***! \***********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); const bignum = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); const DecoderBuffer = (__webpack_require__(/*! ../base/buffer */ "../../node_modules/asn1.js/lib/asn1/base/buffer.js").DecoderBuffer); const Node = __webpack_require__(/*! ../base/node */ "../../node_modules/asn1.js/lib/asn1/base/node.js"); // Import DER constants const der = __webpack_require__(/*! ../constants/der */ "../../node_modules/asn1.js/lib/asn1/constants/der.js"); function DERDecoder(entity) { this.enc = 'der'; this.name = entity.name; this.entity = entity; // Construct base tree this.tree = new DERNode(); this.tree._init(entity.body); } module.exports = DERDecoder; DERDecoder.prototype.decode = function decode(data, options) { if (!DecoderBuffer.isDecoderBuffer(data)) { data = new DecoderBuffer(data, options); } return this.tree._decode(data, options); }; // Tree methods function DERNode(parent) { Node.call(this, 'der', parent); } inherits(DERNode, Node); DERNode.prototype._peekTag = function peekTag(buffer, tag, any) { if (buffer.isEmpty()) return false; const state = buffer.save(); const decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"'); if (buffer.isError(decodedTag)) return decodedTag; buffer.restore(state); return decodedTag.tag === tag || decodedTag.tagStr === tag || (decodedTag.tagStr + 'of') === tag || any; }; DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) { const decodedTag = derDecodeTag(buffer, 'Failed to decode tag of "' + tag + '"'); if (buffer.isError(decodedTag)) return decodedTag; let len = derDecodeLen(buffer, decodedTag.primitive, 'Failed to get length of "' + tag + '"'); // Failure if (buffer.isError(len)) return len; if (!any && decodedTag.tag !== tag && decodedTag.tagStr !== tag && decodedTag.tagStr + 'of' !== tag) { return buffer.error('Failed to match tag: "' + tag + '"'); } if (decodedTag.primitive || len !== null) return buffer.skip(len, 'Failed to match body of: "' + tag + '"'); // Indefinite length... find END tag const state = buffer.save(); const res = this._skipUntilEnd( buffer, 'Failed to skip indefinite length body: "' + this.tag + '"'); if (buffer.isError(res)) return res; len = buffer.offset - state.offset; buffer.restore(state); return buffer.skip(len, 'Failed to match body of: "' + tag + '"'); }; DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) { for (;;) { const tag = derDecodeTag(buffer, fail); if (buffer.isError(tag)) return tag; const len = derDecodeLen(buffer, tag.primitive, fail); if (buffer.isError(len)) return len; let res; if (tag.primitive || len !== null) res = buffer.skip(len); else res = this._skipUntilEnd(buffer, fail); // Failure if (buffer.isError(res)) return res; if (tag.tagStr === 'end') break; } }; DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder, options) { const result = []; while (!buffer.isEmpty()) { const possibleEnd = this._peekTag(buffer, 'end'); if (buffer.isError(possibleEnd)) return possibleEnd; const res = decoder.decode(buffer, 'der', options); if (buffer.isError(res) && possibleEnd) break; result.push(res); } return result; }; DERNode.prototype._decodeStr = function decodeStr(buffer, tag) { if (tag === 'bitstr') { const unused = buffer.readUInt8(); if (buffer.isError(unused)) return unused; return { unused: unused, data: buffer.raw() }; } else if (tag === 'bmpstr') { const raw = buffer.raw(); if (raw.length % 2 === 1) return buffer.error('Decoding of string type: bmpstr length mismatch'); let str = ''; for (let i = 0; i < raw.length / 2; i++) { str += String.fromCharCode(raw.readUInt16BE(i * 2)); } return str; } else if (tag === 'numstr') { const numstr = buffer.raw().toString('ascii'); if (!this._isNumstr(numstr)) { return buffer.error('Decoding of string type: ' + 'numstr unsupported characters'); } return numstr; } else if (tag === 'octstr') { return buffer.raw(); } else if (tag === 'objDesc') { return buffer.raw(); } else if (tag === 'printstr') { const printstr = buffer.raw().toString('ascii'); if (!this._isPrintstr(printstr)) { return buffer.error('Decoding of string type: ' + 'printstr unsupported characters'); } return printstr; } else if (/str$/.test(tag)) { return buffer.raw().toString(); } else { return buffer.error('Decoding of string type: ' + tag + ' unsupported'); } }; DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) { let result; const identifiers = []; let ident = 0; let subident = 0; while (!buffer.isEmpty()) { subident = buffer.readUInt8(); ident <<= 7; ident |= subident & 0x7f; if ((subident & 0x80) === 0) { identifiers.push(ident); ident = 0; } } if (subident & 0x80) identifiers.push(ident); const first = (identifiers[0] / 40) | 0; const second = identifiers[0] % 40; if (relative) result = identifiers; else result = [first, second].concat(identifiers.slice(1)); if (values) { let tmp = values[result.join(' ')]; if (tmp === undefined) tmp = values[result.join('.')]; if (tmp !== undefined) result = tmp; } return result; }; DERNode.prototype._decodeTime = function decodeTime(buffer, tag) { const str = buffer.raw().toString(); let year; let mon; let day; let hour; let min; let sec; if (tag === 'gentime') { year = str.slice(0, 4) | 0; mon = str.slice(4, 6) | 0; day = str.slice(6, 8) | 0; hour = str.slice(8, 10) | 0; min = str.slice(10, 12) | 0; sec = str.slice(12, 14) | 0; } else if (tag === 'utctime') { year = str.slice(0, 2) | 0; mon = str.slice(2, 4) | 0; day = str.slice(4, 6) | 0; hour = str.slice(6, 8) | 0; min = str.slice(8, 10) | 0; sec = str.slice(10, 12) | 0; if (year < 70) year = 2000 + year; else year = 1900 + year; } else { return buffer.error('Decoding ' + tag + ' time is not supported yet'); } return Date.UTC(year, mon - 1, day, hour, min, sec, 0); }; DERNode.prototype._decodeNull = function decodeNull() { return null; }; DERNode.prototype._decodeBool = function decodeBool(buffer) { const res = buffer.readUInt8(); if (buffer.isError(res)) return res; else return res !== 0; }; DERNode.prototype._decodeInt = function decodeInt(buffer, values) { // Bigint, return as it is (assume big endian) const raw = buffer.raw(); let res = new bignum(raw); if (values) res = values[res.toString(10)] || res; return res; }; DERNode.prototype._use = function use(entity, obj) { if (typeof entity === 'function') entity = entity(obj); return entity._getDecoder('der').tree; }; // Utility methods function derDecodeTag(buf, fail) { let tag = buf.readUInt8(fail); if (buf.isError(tag)) return tag; const cls = der.tagClass[tag >> 6]; const primitive = (tag & 0x20) === 0; // Multi-octet tag - load if ((tag & 0x1f) === 0x1f) { let oct = tag; tag = 0; while ((oct & 0x80) === 0x80) { oct = buf.readUInt8(fail); if (buf.isError(oct)) return oct; tag <<= 7; tag |= oct & 0x7f; } } else { tag &= 0x1f; } const tagStr = der.tag[tag]; return { cls: cls, primitive: primitive, tag: tag, tagStr: tagStr }; } function derDecodeLen(buf, primitive, fail) { let len = buf.readUInt8(fail); if (buf.isError(len)) return len; // Indefinite form if (!primitive && len === 0x80) return null; // Definite form if ((len & 0x80) === 0) { // Short form return len; } // Long form const num = len & 0x7f; if (num > 4) return buf.error('length octect is too long'); len = 0; for (let i = 0; i < num; i++) { len <<= 8; const j = buf.readUInt8(fail); if (buf.isError(j)) return j; len |= j; } return len; } /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/decoders/index.js": /*!*************************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/decoders/index.js ***! \*************************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const decoders = exports; decoders.der = __webpack_require__(/*! ./der */ "../../node_modules/asn1.js/lib/asn1/decoders/der.js"); decoders.pem = __webpack_require__(/*! ./pem */ "../../node_modules/asn1.js/lib/asn1/decoders/pem.js"); /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/decoders/pem.js": /*!***********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/decoders/pem.js ***! \***********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); const Buffer = (__webpack_require__(/*! safer-buffer */ "../../node_modules/safer-buffer/safer.js").Buffer); const DERDecoder = __webpack_require__(/*! ./der */ "../../node_modules/asn1.js/lib/asn1/decoders/der.js"); function PEMDecoder(entity) { DERDecoder.call(this, entity); this.enc = 'pem'; } inherits(PEMDecoder, DERDecoder); module.exports = PEMDecoder; PEMDecoder.prototype.decode = function decode(data, options) { const lines = data.toString().split(/[\r\n]+/g); const label = options.label.toUpperCase(); const re = /^-----(BEGIN|END) ([^-]+)-----$/; let start = -1; let end = -1; for (let i = 0; i < lines.length; i++) { const match = lines[i].match(re); if (match === null) continue; if (match[2] !== label) continue; if (start === -1) { if (match[1] !== 'BEGIN') break; start = i; } else { if (match[1] !== 'END') break; end = i; break; } } if (start === -1 || end === -1) throw new Error('PEM section not found for: ' + label); const base64 = lines.slice(start + 1, end).join(''); // Remove excessive symbols base64.replace(/[^a-z0-9+/=]+/gi, ''); const input = Buffer.from(base64, 'base64'); return DERDecoder.prototype.decode.call(this, input, options); }; /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/encoders/der.js": /*!***********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/encoders/der.js ***! \***********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); const Buffer = (__webpack_require__(/*! safer-buffer */ "../../node_modules/safer-buffer/safer.js").Buffer); const Node = __webpack_require__(/*! ../base/node */ "../../node_modules/asn1.js/lib/asn1/base/node.js"); // Import DER constants const der = __webpack_require__(/*! ../constants/der */ "../../node_modules/asn1.js/lib/asn1/constants/der.js"); function DEREncoder(entity) { this.enc = 'der'; this.name = entity.name; this.entity = entity; // Construct base tree this.tree = new DERNode(); this.tree._init(entity.body); } module.exports = DEREncoder; DEREncoder.prototype.encode = function encode(data, reporter) { return this.tree._encode(data, reporter).join(); }; // Tree methods function DERNode(parent) { Node.call(this, 'der', parent); } inherits(DERNode, Node); DERNode.prototype._encodeComposite = function encodeComposite(tag, primitive, cls, content) { const encodedTag = encodeTag(tag, primitive, cls, this.reporter); // Short form if (content.length < 0x80) { const header = Buffer.alloc(2); header[0] = encodedTag; header[1] = content.length; return this._createEncoderBuffer([ header, content ]); } // Long form // Count octets required to store length let lenOctets = 1; for (let i = content.length; i >= 0x100; i >>= 8) lenOctets++; const header = Buffer.alloc(1 + 1 + lenOctets); header[0] = encodedTag; header[1] = 0x80 | lenOctets; for (let i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8) header[i] = j & 0xff; return this._createEncoderBuffer([ header, content ]); }; DERNode.prototype._encodeStr = function encodeStr(str, tag) { if (tag === 'bitstr') { return this._createEncoderBuffer([ str.unused | 0, str.data ]); } else if (tag === 'bmpstr') { const buf = Buffer.alloc(str.length * 2); for (let i = 0; i < str.length; i++) { buf.writeUInt16BE(str.charCodeAt(i), i * 2); } return this._createEncoderBuffer(buf); } else if (tag === 'numstr') { if (!this._isNumstr(str)) { return this.reporter.error('Encoding of string type: numstr supports ' + 'only digits and space'); } return this._createEncoderBuffer(str); } else if (tag === 'printstr') { if (!this._isPrintstr(str)) { return this.reporter.error('Encoding of string type: printstr supports ' + 'only latin upper and lower case letters, ' + 'digits, space, apostrophe, left and rigth ' + 'parenthesis, plus sign, comma, hyphen, ' + 'dot, slash, colon, equal sign, ' + 'question mark'); } return this._createEncoderBuffer(str); } else if (/str$/.test(tag)) { return this._createEncoderBuffer(str); } else if (tag === 'objDesc') { return this._createEncoderBuffer(str); } else { return this.reporter.error('Encoding of string type: ' + tag + ' unsupported'); } }; DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) { if (typeof id === 'string') { if (!values) return this.reporter.error('string objid given, but no values map found'); if (!values.hasOwnProperty(id)) return this.reporter.error('objid not found in values map'); id = values[id].split(/[\s.]+/g); for (let i = 0; i < id.length; i++) id[i] |= 0; } else if (Array.isArray(id)) { id = id.slice(); for (let i = 0; i < id.length; i++) id[i] |= 0; } if (!Array.isArray(id)) { return this.reporter.error('objid() should be either array or string, ' + 'got: ' + JSON.stringify(id)); } if (!relative) { if (id[1] >= 40) return this.reporter.error('Second objid identifier OOB'); id.splice(0, 2, id[0] * 40 + id[1]); } // Count number of octets let size = 0; for (let i = 0; i < id.length; i++) { let ident = id[i]; for (size++; ident >= 0x80; ident >>= 7) size++; } const objid = Buffer.alloc(size); let offset = objid.length - 1; for (let i = id.length - 1; i >= 0; i--) { let ident = id[i]; objid[offset--] = ident & 0x7f; while ((ident >>= 7) > 0) objid[offset--] = 0x80 | (ident & 0x7f); } return this._createEncoderBuffer(objid); }; function two(num) { if (num < 10) return '0' + num; else return num; } DERNode.prototype._encodeTime = function encodeTime(time, tag) { let str; const date = new Date(time); if (tag === 'gentime') { str = [ two(date.getUTCFullYear()), two(date.getUTCMonth() + 1), two(date.getUTCDate()), two(date.getUTCHours()), two(date.getUTCMinutes()), two(date.getUTCSeconds()), 'Z' ].join(''); } else if (tag === 'utctime') { str = [ two(date.getUTCFullYear() % 100), two(date.getUTCMonth() + 1), two(date.getUTCDate()), two(date.getUTCHours()), two(date.getUTCMinutes()), two(date.getUTCSeconds()), 'Z' ].join(''); } else { this.reporter.error('Encoding ' + tag + ' time is not supported yet'); } return this._encodeStr(str, 'octstr'); }; DERNode.prototype._encodeNull = function encodeNull() { return this._createEncoderBuffer(''); }; DERNode.prototype._encodeInt = function encodeInt(num, values) { if (typeof num === 'string') { if (!values) return this.reporter.error('String int or enum given, but no values map'); if (!values.hasOwnProperty(num)) { return this.reporter.error('Values map doesn\'t contain: ' + JSON.stringify(num)); } num = values[num]; } // Bignum, assume big endian if (typeof num !== 'number' && !Buffer.isBuffer(num)) { const numArray = num.toArray(); if (!num.sign && numArray[0] & 0x80) { numArray.unshift(0); } num = Buffer.from(numArray); } if (Buffer.isBuffer(num)) { let size = num.length; if (num.length === 0) size++; const out = Buffer.alloc(size); num.copy(out); if (num.length === 0) out[0] = 0; return this._createEncoderBuffer(out); } if (num < 0x80) return this._createEncoderBuffer(num); if (num < 0x100) return this._createEncoderBuffer([0, num]); let size = 1; for (let i = num; i >= 0x100; i >>= 8) size++; const out = new Array(size); for (let i = out.length - 1; i >= 0; i--) { out[i] = num & 0xff; num >>= 8; } if(out[0] & 0x80) { out.unshift(0); } return this._createEncoderBuffer(Buffer.from(out)); }; DERNode.prototype._encodeBool = function encodeBool(value) { return this._createEncoderBuffer(value ? 0xff : 0); }; DERNode.prototype._use = function use(entity, obj) { if (typeof entity === 'function') entity = entity(obj); return entity._getEncoder('der').tree; }; DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) { const state = this._baseState; let i; if (state['default'] === null) return false; const data = dataBuffer.join(); if (state.defaultBuffer === undefined) state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join(); if (data.length !== state.defaultBuffer.length) return false; for (i=0; i < data.length; i++) if (data[i] !== state.defaultBuffer[i]) return false; return true; }; // Utility methods function encodeTag(tag, primitive, cls, reporter) { let res; if (tag === 'seqof') tag = 'seq'; else if (tag === 'setof') tag = 'set'; if (der.tagByName.hasOwnProperty(tag)) res = der.tagByName[tag]; else if (typeof tag === 'number' && (tag | 0) === tag) res = tag; else return reporter.error('Unknown tag: ' + tag); if (res >= 0x1f) return reporter.error('Multi-octet tag encoding unsupported'); if (!primitive) res |= 0x20; res |= (der.tagClassByName[cls || 'universal'] << 6); return res; } /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/encoders/index.js": /*!*************************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/encoders/index.js ***! \*************************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; const encoders = exports; encoders.der = __webpack_require__(/*! ./der */ "../../node_modules/asn1.js/lib/asn1/encoders/der.js"); encoders.pem = __webpack_require__(/*! ./pem */ "../../node_modules/asn1.js/lib/asn1/encoders/pem.js"); /***/ }), /***/ "../../node_modules/asn1.js/lib/asn1/encoders/pem.js": /*!***********************************************************!*\ !*** ../../node_modules/asn1.js/lib/asn1/encoders/pem.js ***! \***********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; const inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); const DEREncoder = __webpack_require__(/*! ./der */ "../../node_modules/asn1.js/lib/asn1/encoders/der.js"); function PEMEncoder(entity) { DEREncoder.call(this, entity); this.enc = 'pem'; } inherits(PEMEncoder, DEREncoder); module.exports = PEMEncoder; PEMEncoder.prototype.encode = function encode(data, options) { const buf = DEREncoder.prototype.encode.call(this, data); const p = buf.toString('base64'); const out = [ '-----BEGIN ' + options.label + '-----' ]; for (let i = 0; i < p.length; i += 64) out.push(p.slice(i, i + 64)); out.push('-----END ' + options.label + '-----'); return out.join('\n'); }; /***/ }), /***/ "../../node_modules/assert/build/assert.js": /*!*************************************************!*\ !*** ../../node_modules/assert/build/assert.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; /* provided dependency */ var process = __webpack_require__(/*! process/browser */ "../../node_modules/process/browser.js"); // Currently in sync with Node.js lib/assert.js // https://github.com/nodejs/node/commit/2a51ae424a513ec9a6aa3466baa0cc1d55dd4f3b // Originally from narwhal.js (http://narwhaljs.org) // Copyright (c) 2009 Thomas Robinson <280north.com> // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the 'Software'), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } var _require = __webpack_require__(/*! ./internal/errors */ "../../node_modules/assert/build/internal/errors.js"), _require$codes = _require.codes, ERR_AMBIGUOUS_ARGUMENT = _require$codes.ERR_AMBIGUOUS_ARGUMENT, ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE, ERR_INVALID_ARG_VALUE = _require$codes.ERR_INVALID_ARG_VALUE, ERR_INVALID_RETURN_VALUE = _require$codes.ERR_INVALID_RETURN_VALUE, ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS; var AssertionError = __webpack_require__(/*! ./internal/assert/assertion_error */ "../../node_modules/assert/build/internal/assert/assertion_error.js"); var _require2 = __webpack_require__(/*! util/ */ "../../node_modules/util/util.js"), inspect = _require2.inspect; var _require$types = (__webpack_require__(/*! util/ */ "../../node_modules/util/util.js").types), isPromise = _require$types.isPromise, isRegExp = _require$types.isRegExp; var objectAssign = Object.assign ? Object.assign : (__webpack_require__(/*! es6-object-assign */ "../../node_modules/es6-object-assign/index.js").assign); var objectIs = Object.is ? Object.is : __webpack_require__(/*! object-is */ "../../node_modules/object-is/index.js"); var errorCache = new Map(); var isDeepEqual; var isDeepStrictEqual; var parseExpressionAt; var findNodeAround; var decoder; function lazyLoadComparison() { var comparison = __webpack_require__(/*! ./internal/util/comparisons */ "../../node_modules/assert/build/internal/util/comparisons.js"); isDeepEqual = comparison.isDeepEqual; isDeepStrictEqual = comparison.isDeepStrictEqual; } // Escape control characters but not \n and \t to keep the line breaks and // indentation intact. // eslint-disable-next-line no-control-regex var escapeSequencesRegExp = /[\x00-\x08\x0b\x0c\x0e-\x1f]/g; var meta = ["\\u0000", "\\u0001", "\\u0002", "\\u0003", "\\u0004", "\\u0005", "\\u0006", "\\u0007", '\\b', '', '', "\\u000b", '\\f', '', "\\u000e", "\\u000f", "\\u0010", "\\u0011", "\\u0012", "\\u0013", "\\u0014", "\\u0015", "\\u0016", "\\u0017", "\\u0018", "\\u0019", "\\u001a", "\\u001b", "\\u001c", "\\u001d", "\\u001e", "\\u001f"]; var escapeFn = function escapeFn(str) { return meta[str.charCodeAt(0)]; }; var warned = false; // The assert module provides functions that throw // AssertionError's when particular conditions are not met. The // assert module must conform to the following interface. var assert = module.exports = ok; var NO_EXCEPTION_SENTINEL = {}; // All of the following functions must throw an AssertionError // when a corresponding condition is not met, with a message that // may be undefined if not provided. All assertion methods provide // both the actual and expected values to the assertion error for // display purposes. function innerFail(obj) { if (obj.message instanceof Error) throw obj.message; throw new AssertionError(obj); } function fail(actual, expected, message, operator, stackStartFn) { var argsLen = arguments.length; var internalMessage; if (argsLen === 0) { internalMessage = 'Failed'; } else if (argsLen === 1) { message = actual; actual = undefined; } else { if (warned === false) { warned = true; var warn = process.emitWarning ? process.emitWarning : console.warn.bind(console); warn('assert.fail() with more than one argument is deprecated. ' + 'Please use assert.strictEqual() instead or only pass a message.', 'DeprecationWarning', 'DEP0094'); } if (argsLen === 2) operator = '!='; } if (message instanceof Error) throw message; var errArgs = { actual: actual, expected: expected, operator: operator === undefined ? 'fail' : operator, stackStartFn: stackStartFn || fail }; if (message !== undefined) { errArgs.message = message; } var err = new AssertionError(errArgs); if (internalMessage) { err.message = internalMessage; err.generatedMessage = true; } throw err; } assert.fail = fail; // The AssertionError is defined in internal/error. assert.AssertionError = AssertionError; function innerOk(fn, argLen, value, message) { if (!value) { var generatedMessage = false; if (argLen === 0) { generatedMessage = true; message = 'No value argument passed to `assert.ok()`'; } else if (message instanceof Error) { throw message; } var err = new AssertionError({ actual: value, expected: true, message: message, operator: '==', stackStartFn: fn }); err.generatedMessage = generatedMessage; throw err; } } // Pure assertion tests whether a value is truthy, as determined // by !!value. function ok() { for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } innerOk.apply(void 0, [ok, args.length].concat(args)); } assert.ok = ok; // The equality assertion tests shallow, coercive equality with ==. /* eslint-disable no-restricted-properties */ assert.equal = function equal(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } // eslint-disable-next-line eqeqeq if (actual != expected) { innerFail({ actual: actual, expected: expected, message: message, operator: '==', stackStartFn: equal }); } }; // The non-equality assertion tests for whether two objects are not // equal with !=. assert.notEqual = function notEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } // eslint-disable-next-line eqeqeq if (actual == expected) { innerFail({ actual: actual, expected: expected, message: message, operator: '!=', stackStartFn: notEqual }); } }; // The equivalence assertion tests a deep equality relation. assert.deepEqual = function deepEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } if (isDeepEqual === undefined) lazyLoadComparison(); if (!isDeepEqual(actual, expected)) { innerFail({ actual: actual, expected: expected, message: message, operator: 'deepEqual', stackStartFn: deepEqual }); } }; // The non-equivalence assertion tests for any deep inequality. assert.notDeepEqual = function notDeepEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } if (isDeepEqual === undefined) lazyLoadComparison(); if (isDeepEqual(actual, expected)) { innerFail({ actual: actual, expected: expected, message: message, operator: 'notDeepEqual', stackStartFn: notDeepEqual }); } }; /* eslint-enable */ assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } if (isDeepEqual === undefined) lazyLoadComparison(); if (!isDeepStrictEqual(actual, expected)) { innerFail({ actual: actual, expected: expected, message: message, operator: 'deepStrictEqual', stackStartFn: deepStrictEqual }); } }; assert.notDeepStrictEqual = notDeepStrictEqual; function notDeepStrictEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } if (isDeepEqual === undefined) lazyLoadComparison(); if (isDeepStrictEqual(actual, expected)) { innerFail({ actual: actual, expected: expected, message: message, operator: 'notDeepStrictEqual', stackStartFn: notDeepStrictEqual }); } } assert.strictEqual = function strictEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } if (!objectIs(actual, expected)) { innerFail({ actual: actual, expected: expected, message: message, operator: 'strictEqual', stackStartFn: strictEqual }); } }; assert.notStrictEqual = function notStrictEqual(actual, expected, message) { if (arguments.length < 2) { throw new ERR_MISSING_ARGS('actual', 'expected'); } if (objectIs(actual, expected)) { innerFail({ actual: actual, expected: expected, message: message, operator: 'notStrictEqual', stackStartFn: notStrictEqual }); } }; var Comparison = function Comparison(obj, keys, actual) { var _this = this; _classCallCheck(this, Comparison); keys.forEach(function (key) { if (key in obj) { if (actual !== undefined && typeof actual[key] === 'string' && isRegExp(obj[key]) && obj[key].test(actual[key])) { _this[key] = actual[key]; } else { _this[key] = obj[key]; } } }); }; function compareExceptionKey(actual, expected, key, message, keys, fn) { if (!(key in actual) || !isDeepStrictEqual(actual[key], expected[key])) { if (!message) { // Create placeholder objects to create a nice output. var a = new Comparison(actual, keys); var b = new Comparison(expected, keys, actual); var err = new AssertionError({ actual: a, expected: b, operator: 'deepStrictEqual', stackStartFn: fn }); err.actual = actual; err.expected = expected; err.operator = fn.name; throw err; } innerFail({ actual: actual, expected: expected, message: message, operator: fn.name, stackStartFn: fn }); } } function expectedException(actual, expected, msg, fn) { if (typeof expected !== 'function') { if (isRegExp(expected)) return expected.test(actual); // assert.doesNotThrow does not accept objects. if (arguments.length === 2) { throw new ERR_INVALID_ARG_TYPE('expected', ['Function', 'RegExp'], expected); } // Handle primitives properly. if (_typeof(actual) !== 'object' || actual === null) { var err = new AssertionError({ actual: actual, expected: expected, message: msg, operator: 'deepStrictEqual', stackStartFn: fn }); err.operator = fn.name; throw err; } var keys = Object.keys(expected); // Special handle errors to make sure the name and the message are compared // as well. if (expected instanceof Error) { keys.push('name', 'message'); } else if (keys.length === 0) { throw new ERR_INVALID_ARG_VALUE('error', expected, 'may not be an empty object'); } if (isDeepEqual === undefined) lazyLoadComparison(); keys.forEach(function (key) { if (typeof actual[key] === 'string' && isRegExp(expected[key]) && expected[key].test(actual[key])) { return; } compareExceptionKey(actual, expected, key, msg, keys, fn); }); return true; } // Guard instanceof against arrow functions as they don't have a prototype. if (expected.prototype !== undefined && actual instanceof expected) { return true; } if (Error.isPrototypeOf(expected)) { return false; } return expected.call({}, actual) === true; } function getActual(fn) { if (typeof fn !== 'function') { throw new ERR_INVALID_ARG_TYPE('fn', 'Function', fn); } try { fn(); } catch (e) { return e; } return NO_EXCEPTION_SENTINEL; } function checkIsPromise(obj) { // Accept native ES6 promises and promises that are implemented in a similar // way. Do not accept thenables that use a function as `obj` and that have no // `catch` handler. // TODO: thenables are checked up until they have the correct methods, // but according to documentation, the `then` method should receive // the `fulfill` and `reject` arguments as well or it may be never resolved. return isPromise(obj) || obj !== null && _typeof(obj) === 'object' && typeof obj.then === 'function' && typeof obj.catch === 'function'; } function waitForActual(promiseFn) { return Promise.resolve().then(function () { var resultPromise; if (typeof promiseFn === 'function') { // Return a rejected promise if `promiseFn` throws synchronously. resultPromise = promiseFn(); // Fail in case no promise is returned. if (!checkIsPromise(resultPromise)) { throw new ERR_INVALID_RETURN_VALUE('instance of Promise', 'promiseFn', resultPromise); } } else if (checkIsPromise(promiseFn)) { resultPromise = promiseFn; } else { throw new ERR_INVALID_ARG_TYPE('promiseFn', ['Function', 'Promise'], promiseFn); } return Promise.resolve().then(function () { return resultPromise; }).then(function () { return NO_EXCEPTION_SENTINEL; }).catch(function (e) { return e; }); }); } function expectsError(stackStartFn, actual, error, message) { if (typeof error === 'string') { if (arguments.length === 4) { throw new ERR_INVALID_ARG_TYPE('error', ['Object', 'Error', 'Function', 'RegExp'], error); } if (_typeof(actual) === 'object' && actual !== null) { if (actual.message === error) { throw new ERR_AMBIGUOUS_ARGUMENT('error/message', "The error message \"".concat(actual.message, "\" is identical to the message.")); } } else if (actual === error) { throw new ERR_AMBIGUOUS_ARGUMENT('error/message', "The error \"".concat(actual, "\" is identical to the message.")); } message = error; error = undefined; } else if (error != null && _typeof(error) !== 'object' && typeof error !== 'function') { throw new ERR_INVALID_ARG_TYPE('error', ['Object', 'Error', 'Function', 'RegExp'], error); } if (actual === NO_EXCEPTION_SENTINEL) { var details = ''; if (error && error.name) { details += " (".concat(error.name, ")"); } details += message ? ": ".concat(message) : '.'; var fnType = stackStartFn.name === 'rejects' ? 'rejection' : 'exception'; innerFail({ actual: undefined, expected: error, operator: stackStartFn.name, message: "Missing expected ".concat(fnType).concat(details), stackStartFn: stackStartFn }); } if (error && !expectedException(actual, error, message, stackStartFn)) { throw actual; } } function expectsNoError(stackStartFn, actual, error, message) { if (actual === NO_EXCEPTION_SENTINEL) return; if (typeof error === 'string') { message = error; error = undefined; } if (!error || expectedException(actual, error)) { var details = message ? ": ".concat(message) : '.'; var fnType = stackStartFn.name === 'doesNotReject' ? 'rejection' : 'exception'; innerFail({ actual: actual, expected: error, operator: stackStartFn.name, message: "Got unwanted ".concat(fnType).concat(details, "\n") + "Actual message: \"".concat(actual && actual.message, "\""), stackStartFn: stackStartFn }); } throw actual; } assert.throws = function throws(promiseFn) { for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { args[_key2 - 1] = arguments[_key2]; } expectsError.apply(void 0, [throws, getActual(promiseFn)].concat(args)); }; assert.rejects = function rejects(promiseFn) { for (var _len3 = arguments.length, args = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) { args[_key3 - 1] = arguments[_key3]; } return waitForActual(promiseFn).then(function (result) { return expectsError.apply(void 0, [rejects, result].concat(args)); }); }; assert.doesNotThrow = function doesNotThrow(fn) { for (var _len4 = arguments.length, args = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) { args[_key4 - 1] = arguments[_key4]; } expectsNoError.apply(void 0, [doesNotThrow, getActual(fn)].concat(args)); }; assert.doesNotReject = function doesNotReject(fn) { for (var _len5 = arguments.length, args = new Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) { args[_key5 - 1] = arguments[_key5]; } return waitForActual(fn).then(function (result) { return expectsNoError.apply(void 0, [doesNotReject, result].concat(args)); }); }; assert.ifError = function ifError(err) { if (err !== null && err !== undefined) { var message = 'ifError got unwanted exception: '; if (_typeof(err) === 'object' && typeof err.message === 'string') { if (err.message.length === 0 && err.constructor) { message += err.constructor.name; } else { message += err.message; } } else { message += inspect(err); } var newErr = new AssertionError({ actual: err, expected: null, operator: 'ifError', message: message, stackStartFn: ifError }); // Make sure we actually have a stack trace! var origStack = err.stack; if (typeof origStack === 'string') { // This will remove any duplicated frames from the error frames taken // from within `ifError` and add the original error frames to the newly // created ones. var tmp2 = origStack.split('\n'); tmp2.shift(); // Filter all frames existing in err.stack. var tmp1 = newErr.stack.split('\n'); for (var i = 0; i < tmp2.length; i++) { // Find the first occurrence of the frame. var pos = tmp1.indexOf(tmp2[i]); if (pos !== -1) { // Only keep new frames. tmp1 = tmp1.slice(0, pos); break; } } newErr.stack = "".concat(tmp1.join('\n'), "\n").concat(tmp2.join('\n')); } throw newErr; } }; // Expose a strict only variant of assert function strict() { for (var _len6 = arguments.length, args = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) { args[_key6] = arguments[_key6]; } innerOk.apply(void 0, [strict, args.length].concat(args)); } assert.strict = objectAssign(strict, assert, { equal: assert.strictEqual, deepEqual: assert.deepStrictEqual, notEqual: assert.notStrictEqual, notDeepEqual: assert.notDeepStrictEqual }); assert.strict.strict = assert.strict; /***/ }), /***/ "../../node_modules/assert/build/internal/assert/assertion_error.js": /*!**************************************************************************!*\ !*** ../../node_modules/assert/build/internal/assert/assertion_error.js ***! \**************************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; /* provided dependency */ var process = __webpack_require__(/*! process/browser */ "../../node_modules/process/browser.js"); // Currently in sync with Node.js lib/internal/assert/assertion_error.js // https://github.com/nodejs/node/commit/0817840f775032169ddd70c85ac059f18ffcc81c function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; } function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); } function isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } } function _construct(Parent, args, Class) { if (isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); } function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; } function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var _require = __webpack_require__(/*! util/ */ "../../node_modules/util/util.js"), inspect = _require.inspect; var _require2 = __webpack_require__(/*! ../errors */ "../../node_modules/assert/build/internal/errors.js"), ERR_INVALID_ARG_TYPE = _require2.codes.ERR_INVALID_ARG_TYPE; // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith function endsWith(str, search, this_len) { if (this_len === undefined || this_len > str.length) { this_len = str.length; } return str.substring(this_len - search.length, this_len) === search; } // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat function repeat(str, count) { count = Math.floor(count); if (str.length == 0 || count == 0) return ''; var maxCount = str.length * count; count = Math.floor(Math.log(count) / Math.log(2)); while (count) { str += str; count--; } str += str.substring(0, maxCount - str.length); return str; } var blue = ''; var green = ''; var red = ''; var white = ''; var kReadableOperator = { deepStrictEqual: 'Expected values to be strictly deep-equal:', strictEqual: 'Expected values to be strictly equal:', strictEqualObject: 'Expected "actual" to be reference-equal to "expected":', deepEqual: 'Expected values to be loosely deep-equal:', equal: 'Expected values to be loosely equal:', notDeepStrictEqual: 'Expected "actual" not to be strictly deep-equal to:', notStrictEqual: 'Expected "actual" to be strictly unequal to:', notStrictEqualObject: 'Expected "actual" not to be reference-equal to "expected":', notDeepEqual: 'Expected "actual" not to be loosely deep-equal to:', notEqual: 'Expected "actual" to be loosely unequal to:', notIdentical: 'Values identical but not reference-equal:' }; // Comparing short primitives should just show === / !== instead of using the // diff. var kMaxShortLength = 10; function copyError(source) { var keys = Object.keys(source); var target = Object.create(Object.getPrototypeOf(source)); keys.forEach(function (key) { target[key] = source[key]; }); Object.defineProperty(target, 'message', { value: source.message }); return target; } function inspectValue(val) { // The util.inspect default values could be changed. This makes sure the // error messages contain the necessary information nevertheless. return inspect(val, { compact: false, customInspect: false, depth: 1000, maxArrayLength: Infinity, // Assert compares only enumerable properties (with a few exceptions). showHidden: false, // Having a long line as error is better than wrapping the line for // comparison for now. // TODO(BridgeAR): `breakLength` should be limited as soon as soon as we // have meta information about the inspected properties (i.e., know where // in what line the property starts and ends). breakLength: Infinity, // Assert does not detect proxies currently. showProxy: false, sorted: true, // Inspect getters as we also check them when comparing entries. getters: true }); } function createErrDiff(actual, expected, operator) { var other = ''; var res = ''; var lastPos = 0; var end = ''; var skipped = false; var actualInspected = inspectValue(actual); var actualLines = actualInspected.split('\n'); var expectedLines = inspectValue(expected).split('\n'); var i = 0; var indicator = ''; // In case both values are objects explicitly mark them as not reference equal // for the `strictEqual` operator. if (operator === 'strictEqual' && _typeof(actual) === 'object' && _typeof(expected) === 'object' && actual !== null && expected !== null) { operator = 'strictEqualObject'; } // If "actual" and "expected" fit on a single line and they are not strictly // equal, check further special handling. if (actualLines.length === 1 && expectedLines.length === 1 && actualLines[0] !== expectedLines[0]) { var inputLength = actualLines[0].length + expectedLines[0].length; // If the character length of "actual" and "expected" together is less than // kMaxShortLength and if neither is an object and at least one of them is // not `zero`, use the strict equal comparison to visualize the output. if (inputLength <= kMaxShortLength) { if ((_typeof(actual) !== 'object' || actual === null) && (_typeof(expected) !== 'object' || expected === null) && (actual !== 0 || expected !== 0)) { // -0 === +0 return "".concat(kReadableOperator[operator], "\n\n") + "".concat(actualLines[0], " !== ").concat(expectedLines[0], "\n"); } } else if (operator !== 'strictEqualObject') { // If the stderr is a tty and the input length is lower than the current // columns per line, add a mismatch indicator below the output. If it is // not a tty, use a default value of 80 characters. var maxLength = process.stderr && process.stderr.isTTY ? process.stderr.columns : 80; if (inputLength < maxLength) { while (actualLines[0][i] === expectedLines[0][i]) { i++; } // Ignore the first characters. if (i > 2) { // Add position indicator for the first mismatch in case it is a // single line and the input length is less than the column length. indicator = "\n ".concat(repeat(' ', i), "^"); i = 0; } } } } // Remove all ending lines that match (this optimizes the output for // readability by reducing the number of total changed lines). var a = actualLines[actualLines.length - 1]; var b = expectedLines[expectedLines.length - 1]; while (a === b) { if (i++ < 2) { end = "\n ".concat(a).concat(end); } else { other = a; } actualLines.pop(); expectedLines.pop(); if (actualLines.length === 0 || expectedLines.length === 0) break; a = actualLines[actualLines.length - 1]; b = expectedLines[expectedLines.length - 1]; } var maxLines = Math.max(actualLines.length, expectedLines.length); // Strict equal with identical objects that are not identical by reference. // E.g., assert.deepStrictEqual({ a: Symbol() }, { a: Symbol() }) if (maxLines === 0) { // We have to get the result again. The lines were all removed before. var _actualLines = actualInspected.split('\n'); // Only remove lines in case it makes sense to collapse those. // TODO: Accept env to always show the full error. if (_actualLines.length > 30) { _actualLines[26] = "".concat(blue, "...").concat(white); while (_actualLines.length > 27) { _actualLines.pop(); } } return "".concat(kReadableOperator.notIdentical, "\n\n").concat(_actualLines.join('\n'), "\n"); } if (i > 3) { end = "\n".concat(blue, "...").concat(white).concat(end); skipped = true; } if (other !== '') { end = "\n ".concat(other).concat(end); other = ''; } var printedLines = 0; var msg = kReadableOperator[operator] + "\n".concat(green, "+ actual").concat(white, " ").concat(red, "- expected").concat(white); var skippedMsg = " ".concat(blue, "...").concat(white, " Lines skipped"); for (i = 0; i < maxLines; i++) { // Only extra expected lines exist var cur = i - lastPos; if (actualLines.length < i + 1) { // If the last diverging line is more than one line above and the // current line is at least line three, add some of the former lines and // also add dots to indicate skipped entries. if (cur > 1 && i > 2) { if (cur > 4) { res += "\n".concat(blue, "...").concat(white); skipped = true; } else if (cur > 3) { res += "\n ".concat(expectedLines[i - 2]); printedLines++; } res += "\n ".concat(expectedLines[i - 1]); printedLines++; } // Mark the current line as the last diverging one. lastPos = i; // Add the expected line to the cache. other += "\n".concat(red, "-").concat(white, " ").concat(expectedLines[i]); printedLines++; // Only extra actual lines exist } else if (expectedLines.length < i + 1) { // If the last diverging line is more than one line above and the // current line is at least line three, add some of the former lines and // also add dots to indicate skipped entries. if (cur > 1 && i > 2) { if (cur > 4) { res += "\n".concat(blue, "...").concat(white); skipped = true; } else if (cur > 3) { res += "\n ".concat(actualLines[i - 2]); printedLines++; } res += "\n ".concat(actualLines[i - 1]); printedLines++; } // Mark the current line as the last diverging one. lastPos = i; // Add the actual line to the result. res += "\n".concat(green, "+").concat(white, " ").concat(actualLines[i]); printedLines++; // Lines diverge } else { var expectedLine = expectedLines[i]; var actualLine = actualLines[i]; // If the lines diverge, specifically check for lines that only diverge by // a trailing comma. In that case it is actually identical and we should // mark it as such. var divergingLines = actualLine !== expectedLine && (!endsWith(actualLine, ',') || actualLine.slice(0, -1) !== expectedLine); // If the expected line has a trailing comma but is otherwise identical, // add a comma at the end of the actual line. Otherwise the output could // look weird as in: // // [ // 1 // No comma at the end! // + 2 // ] // if (divergingLines && endsWith(expectedLine, ',') && expectedLine.slice(0, -1) === actualLine) { divergingLines = false; actualLine += ','; } if (divergingLines) { // If the last diverging line is more than one line above and the // current line is at least line three, add some of the former lines and // also add dots to indicate skipped entries. if (cur > 1 && i > 2) { if (cur > 4) { res += "\n".concat(blue, "...").concat(white); skipped = true; } else if (cur > 3) { res += "\n ".concat(actualLines[i - 2]); printedLines++; } res += "\n ".concat(actualLines[i - 1]); printedLines++; } // Mark the current line as the last diverging one. lastPos = i; // Add the actual line to the result and cache the expected diverging // line so consecutive diverging lines show up as +++--- and not +-+-+-. res += "\n".concat(green, "+").concat(white, " ").concat(actualLine); other += "\n".concat(red, "-").concat(white, " ").concat(expectedLine); printedLines += 2; // Lines are identical } else { // Add all cached information to the result before adding other things // and reset the cache. res += other; other = ''; // If the last diverging line is exactly one line above or if it is the // very first line, add the line to the result. if (cur === 1 || i === 0) { res += "\n ".concat(actualLine); printedLines++; } } } // Inspected object to big (Show ~20 rows max) if (printedLines > 20 && i < maxLines - 2) { return "".concat(msg).concat(skippedMsg, "\n").concat(res, "\n").concat(blue, "...").concat(white).concat(other, "\n") + "".concat(blue, "...").concat(white); } } return "".concat(msg).concat(skipped ? skippedMsg : '', "\n").concat(res).concat(other).concat(end).concat(indicator); } var AssertionError = /*#__PURE__*/ function (_Error) { _inherits(AssertionError, _Error); function AssertionError(options) { var _this; _classCallCheck(this, AssertionError); if (_typeof(options) !== 'object' || options === null) { throw new ERR_INVALID_ARG_TYPE('options', 'Object', options); } var message = options.message, operator = options.operator, stackStartFn = options.stackStartFn; var actual = options.actual, expected = options.expected; var limit = Error.stackTraceLimit; Error.stackTraceLimit = 0; if (message != null) { _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, String(message))); } else { if (process.stderr && process.stderr.isTTY) { // Reset on each call to make sure we handle dynamically set environment // variables correct. if (process.stderr && process.stderr.getColorDepth && process.stderr.getColorDepth() !== 1) { blue = "\x1B[34m"; green = "\x1B[32m"; white = "\x1B[39m"; red = "\x1B[31m"; } else { blue = ''; green = ''; white = ''; red = ''; } } // Prevent the error stack from being visible by duplicating the error // in a very close way to the original in case both sides are actually // instances of Error. if (_typeof(actual) === 'object' && actual !== null && _typeof(expected) === 'object' && expected !== null && 'stack' in actual && actual instanceof Error && 'stack' in expected && expected instanceof Error) { actual = copyError(actual); expected = copyError(expected); } if (operator === 'deepStrictEqual' || operator === 'strictEqual') { _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, createErrDiff(actual, expected, operator))); } else if (operator === 'notDeepStrictEqual' || operator === 'notStrictEqual') { // In case the objects are equal but the operator requires unequal, show // the first object and say A equals B var base = kReadableOperator[operator]; var res = inspectValue(actual).split('\n'); // In case "actual" is an object, it should not be reference equal. if (operator === 'notStrictEqual' && _typeof(actual) === 'object' && actual !== null) { base = kReadableOperator.notStrictEqualObject; } // Only remove lines in case it makes sense to collapse those. // TODO: Accept env to always show the full error. if (res.length > 30) { res[26] = "".concat(blue, "...").concat(white); while (res.length > 27) { res.pop(); } } // Only print a single input. if (res.length === 1) { _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(base, " ").concat(res[0]))); } else { _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(base, "\n\n").concat(res.join('\n'), "\n"))); } } else { var _res = inspectValue(actual); var other = ''; var knownOperators = kReadableOperator[operator]; if (operator === 'notDeepEqual' || operator === 'notEqual') { _res = "".concat(kReadableOperator[operator], "\n\n").concat(_res); if (_res.length > 1024) { _res = "".concat(_res.slice(0, 1021), "..."); } } else { other = "".concat(inspectValue(expected)); if (_res.length > 512) { _res = "".concat(_res.slice(0, 509), "..."); } if (other.length > 512) { other = "".concat(other.slice(0, 509), "..."); } if (operator === 'deepEqual' || operator === 'equal') { _res = "".concat(knownOperators, "\n\n").concat(_res, "\n\nshould equal\n\n"); } else { other = " ".concat(operator, " ").concat(other); } } _this = _possibleConstructorReturn(this, _getPrototypeOf(AssertionError).call(this, "".concat(_res).concat(other))); } } Error.stackTraceLimit = limit; _this.generatedMessage = !message; Object.defineProperty(_assertThisInitialized(_this), 'name', { value: 'AssertionError [ERR_ASSERTION]', enumerable: false, writable: true, configurable: true }); _this.code = 'ERR_ASSERTION'; _this.actual = actual; _this.expected = expected; _this.operator = operator; if (Error.captureStackTrace) { // eslint-disable-next-line no-restricted-syntax Error.captureStackTrace(_assertThisInitialized(_this), stackStartFn); } // Create error message including the error code in the name. _this.stack; // Reset the name. _this.name = 'AssertionError'; return _possibleConstructorReturn(_this); } _createClass(AssertionError, [{ key: "toString", value: function toString() { return "".concat(this.name, " [").concat(this.code, "]: ").concat(this.message); } }, { key: inspect.custom, value: function value(recurseTimes, ctx) { // This limits the `actual` and `expected` property default inspection to // the minimum depth. Otherwise those values would be too verbose compared // to the actual error message which contains a combined view of these two // input values. return inspect(this, _objectSpread({}, ctx, { customInspect: false, depth: 0 })); } }]); return AssertionError; }(_wrapNativeSuper(Error)); module.exports = AssertionError; /***/ }), /***/ "../../node_modules/assert/build/internal/errors.js": /*!**********************************************************!*\ !*** ../../node_modules/assert/build/internal/errors.js ***! \**********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; // Currently in sync with Node.js lib/internal/errors.js // https://github.com/nodejs/node/commit/3b044962c48fe313905877a96b5d0894a5404f6f /* eslint node-core/documented-errors: "error" */ /* eslint node-core/alphabetize-errors: "error" */ /* eslint node-core/prefer-util-format-errors: "error" */ // The whole point behind this internal module is to allow Node.js to no // longer be forced to treat every error message change as a semver-major // change. The NodeError classes here all expose a `code` property whose // value statically and permanently identifies the error. While the error // message may change, the code should not. function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); } function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); } function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); } var codes = {}; // Lazy loaded var assert; var util; function createErrorType(code, message, Base) { if (!Base) { Base = Error; } function getMessage(arg1, arg2, arg3) { if (typeof message === 'string') { return message; } else { return message(arg1, arg2, arg3); } } var NodeError = /*#__PURE__*/ function (_Base) { _inherits(NodeError, _Base); function NodeError(arg1, arg2, arg3) { var _this; _classCallCheck(this, NodeError); _this = _possibleConstructorReturn(this, _getPrototypeOf(NodeError).call(this, getMessage(arg1, arg2, arg3))); _this.code = code; return _this; } return NodeError; }(Base); codes[code] = NodeError; } // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js function oneOf(expected, thing) { if (Array.isArray(expected)) { var len = expected.length; expected = expected.map(function (i) { return String(i); }); if (len > 2) { return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1]; } else if (len === 2) { return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]); } else { return "of ".concat(thing, " ").concat(expected[0]); } } else { return "of ".concat(thing, " ").concat(String(expected)); } } // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith function startsWith(str, search, pos) { return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search; } // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith function endsWith(str, search, this_len) { if (this_len === undefined || this_len > str.length) { this_len = str.length; } return str.substring(this_len - search.length, this_len) === search; } // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes function includes(str, search, start) { if (typeof start !== 'number') { start = 0; } if (start + search.length > str.length) { return false; } else { return str.indexOf(search, start) !== -1; } } createErrorType('ERR_AMBIGUOUS_ARGUMENT', 'The "%s" argument is ambiguous. %s', TypeError); createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) { if (assert === undefined) assert = __webpack_require__(/*! ../assert */ "../../node_modules/assert/build/assert.js"); assert(typeof name === 'string', "'name' must be a string"); // determiner: 'must be' or 'must not be' var determiner; if (typeof expected === 'string' && startsWith(expected, 'not ')) { determiner = 'must not be'; expected = expected.replace(/^not /, ''); } else { determiner = 'must be'; } var msg; if (endsWith(name, ' argument')) { // For cases like 'first argument' msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type')); } else { var type = includes(name, '.') ? 'property' : 'argument'; msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type')); } // TODO(BridgeAR): Improve the output by showing `null` and similar. msg += ". Received type ".concat(_typeof(actual)); return msg; }, TypeError); createErrorType('ERR_INVALID_ARG_VALUE', function (name, value) { var reason = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'is invalid'; if (util === undefined) util = __webpack_require__(/*! util/ */ "../../node_modules/util/util.js"); var inspected = util.inspect(value); if (inspected.length > 128) { inspected = "".concat(inspected.slice(0, 128), "..."); } return "The argument '".concat(name, "' ").concat(reason, ". Received ").concat(inspected); }, TypeError, RangeError); createErrorType('ERR_INVALID_RETURN_VALUE', function (input, name, value) { var type; if (value && value.constructor && value.constructor.name) { type = "instance of ".concat(value.constructor.name); } else { type = "type ".concat(_typeof(value)); } return "Expected ".concat(input, " to be returned from the \"").concat(name, "\"") + " function but got ".concat(type, "."); }, TypeError); createErrorType('ERR_MISSING_ARGS', function () { for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } if (assert === undefined) assert = __webpack_require__(/*! ../assert */ "../../node_modules/assert/build/assert.js"); assert(args.length > 0, 'At least one arg needs to be specified'); var msg = 'The '; var len = args.length; args = args.map(function (a) { return "\"".concat(a, "\""); }); switch (len) { case 1: msg += "".concat(args[0], " argument"); break; case 2: msg += "".concat(args[0], " and ").concat(args[1], " arguments"); break; default: msg += args.slice(0, len - 1).join(', '); msg += ", and ".concat(args[len - 1], " arguments"); break; } return "".concat(msg, " must be specified"); }, TypeError); module.exports.codes = codes; /***/ }), /***/ "../../node_modules/assert/build/internal/util/comparisons.js": /*!********************************************************************!*\ !*** ../../node_modules/assert/build/internal/util/comparisons.js ***! \********************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; // Currently in sync with Node.js lib/internal/util/comparisons.js // https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9 function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); } function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var regexFlagsSupported = /a/g.flags !== undefined; var arrayFromSet = function arrayFromSet(set) { var array = []; set.forEach(function (value) { return array.push(value); }); return array; }; var arrayFromMap = function arrayFromMap(map) { var array = []; map.forEach(function (value, key) { return array.push([key, value]); }); return array; }; var objectIs = Object.is ? Object.is : __webpack_require__(/*! object-is */ "../../node_modules/object-is/index.js"); var objectGetOwnPropertySymbols = Object.getOwnPropertySymbols ? Object.getOwnPropertySymbols : function () { return []; }; var numberIsNaN = Number.isNaN ? Number.isNaN : __webpack_require__(/*! is-nan */ "../../node_modules/is-nan/index.js"); function uncurryThis(f) { return f.call.bind(f); } var hasOwnProperty = uncurryThis(Object.prototype.hasOwnProperty); var propertyIsEnumerable = uncurryThis(Object.prototype.propertyIsEnumerable); var objectToString = uncurryThis(Object.prototype.toString); var _require$types = (__webpack_require__(/*! util/ */ "../../node_modules/util/util.js").types), isAnyArrayBuffer = _require$types.isAnyArrayBuffer, isArrayBufferView = _require$types.isArrayBufferView, isDate = _require$types.isDate, isMap = _require$types.isMap, isRegExp = _require$types.isRegExp, isSet = _require$types.isSet, isNativeError = _require$types.isNativeError, isBoxedPrimitive = _require$types.isBoxedPrimitive, isNumberObject = _require$types.isNumberObject, isStringObject = _require$types.isStringObject, isBooleanObject = _require$types.isBooleanObject, isBigIntObject = _require$types.isBigIntObject, isSymbolObject = _require$types.isSymbolObject, isFloat32Array = _require$types.isFloat32Array, isFloat64Array = _require$types.isFloat64Array; function isNonIndex(key) { if (key.length === 0 || key.length > 10) return true; for (var i = 0; i < key.length; i++) { var code = key.charCodeAt(i); if (code < 48 || code > 57) return true; } // The maximum size for an array is 2 ** 32 -1. return key.length === 10 && key >= Math.pow(2, 32); } function getOwnNonIndexProperties(value) { return Object.keys(value).filter(isNonIndex).concat(objectGetOwnPropertySymbols(value).filter(Object.prototype.propertyIsEnumerable.bind(value))); } // Taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js // original notice: /*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh * @license MIT */ function compare(a, b) { if (a === b) { return 0; } var x = a.length; var y = b.length; for (var i = 0, len = Math.min(x, y); i < len; ++i) { if (a[i] !== b[i]) { x = a[i]; y = b[i]; break; } } if (x < y) { return -1; } if (y < x) { return 1; } return 0; } var ONLY_ENUMERABLE = undefined; var kStrict = true; var kLoose = false; var kNoIterator = 0; var kIsArray = 1; var kIsSet = 2; var kIsMap = 3; // Check if they have the same source and flags function areSimilarRegExps(a, b) { return regexFlagsSupported ? a.source === b.source && a.flags === b.flags : RegExp.prototype.toString.call(a) === RegExp.prototype.toString.call(b); } function areSimilarFloatArrays(a, b) { if (a.byteLength !== b.byteLength) { return false; } for (var offset = 0; offset < a.byteLength; offset++) { if (a[offset] !== b[offset]) { return false; } } return true; } function areSimilarTypedArrays(a, b) { if (a.byteLength !== b.byteLength) { return false; } return compare(new Uint8Array(a.buffer, a.byteOffset, a.byteLength), new Uint8Array(b.buffer, b.byteOffset, b.byteLength)) === 0; } function areEqualArrayBuffers(buf1, buf2) { return buf1.byteLength === buf2.byteLength && compare(new Uint8Array(buf1), new Uint8Array(buf2)) === 0; } function isEqualBoxedPrimitive(val1, val2) { if (isNumberObject(val1)) { return isNumberObject(val2) && objectIs(Number.prototype.valueOf.call(val1), Number.prototype.valueOf.call(val2)); } if (isStringObject(val1)) { return isStringObject(val2) && String.prototype.valueOf.call(val1) === String.prototype.valueOf.call(val2); } if (isBooleanObject(val1)) { return isBooleanObject(val2) && Boolean.prototype.valueOf.call(val1) === Boolean.prototype.valueOf.call(val2); } if (isBigIntObject(val1)) { return isBigIntObject(val2) && BigInt.prototype.valueOf.call(val1) === BigInt.prototype.valueOf.call(val2); } return isSymbolObject(val2) && Symbol.prototype.valueOf.call(val1) === Symbol.prototype.valueOf.call(val2); } // Notes: Type tags are historical [[Class]] properties that can be set by // FunctionTemplate::SetClassName() in C++ or Symbol.toStringTag in JS // and retrieved using Object.prototype.toString.call(obj) in JS // See https://tc39.github.io/ecma262/#sec-object.prototype.tostring // for a list of tags pre-defined in the spec. // There are some unspecified tags in the wild too (e.g. typed array tags). // Since tags can be altered, they only serve fast failures // // Typed arrays and buffers are checked by comparing the content in their // underlying ArrayBuffer. This optimization requires that it's // reasonable to interpret their underlying memory in the same way, // which is checked by comparing their type tags. // (e.g. a Uint8Array and a Uint16Array with the same memory content // could still be different because they will be interpreted differently). // // For strict comparison, objects should have // a) The same built-in type tags // b) The same prototypes. function innerDeepEqual(val1, val2, strict, memos) { // All identical values are equivalent, as determined by ===. if (val1 === val2) { if (val1 !== 0) return true; return strict ? objectIs(val1, val2) : true; } // Check more closely if val1 and val2 are equal. if (strict) { if (_typeof(val1) !== 'object') { return typeof val1 === 'number' && numberIsNaN(val1) && numberIsNaN(val2); } if (_typeof(val2) !== 'object' || val1 === null || val2 === null) { return false; } if (Object.getPrototypeOf(val1) !== Object.getPrototypeOf(val2)) { return false; } } else { if (val1 === null || _typeof(val1) !== 'object') { if (val2 === null || _typeof(val2) !== 'object') { // eslint-disable-next-line eqeqeq return val1 == val2; } return false; } if (val2 === null || _typeof(val2) !== 'object') { return false; } } var val1Tag = objectToString(val1); var val2Tag = objectToString(val2); if (val1Tag !== val2Tag) { return false; } if (Array.isArray(val1)) { // Check for sparse arrays and general fast path if (val1.length !== val2.length) { return false; } var keys1 = getOwnNonIndexProperties(val1, ONLY_ENUMERABLE); var keys2 = getOwnNonIndexProperties(val2, ONLY_ENUMERABLE); if (keys1.length !== keys2.length) { return false; } return keyCheck(val1, val2, strict, memos, kIsArray, keys1); } // [browserify] This triggers on certain types in IE (Map/Set) so we don't // wan't to early return out of the rest of the checks. However we can check // if the second value is one of these values and the first isn't. if (val1Tag === '[object Object]') { // return keyCheck(val1, val2, strict, memos, kNoIterator); if (!isMap(val1) && isMap(val2) || !isSet(val1) && isSet(val2)) { return false; } } if (isDate(val1)) { if (!isDate(val2) || Date.prototype.getTime.call(val1) !== Date.prototype.getTime.call(val2)) { return false; } } else if (isRegExp(val1)) { if (!isRegExp(val2) || !areSimilarRegExps(val1, val2)) { return false; } } else if (isNativeError(val1) || val1 instanceof Error) { // Do not compare the stack as it might differ even though the error itself // is otherwise identical. if (val1.message !== val2.message || val1.name !== val2.name) { return false; } } else if (isArrayBufferView(val1)) { if (!strict && (isFloat32Array(val1) || isFloat64Array(val1))) { if (!areSimilarFloatArrays(val1, val2)) { return false; } } else if (!areSimilarTypedArrays(val1, val2)) { return false; } // Buffer.compare returns true, so val1.length === val2.length. If they both // only contain numeric keys, we don't need to exam further than checking // the symbols. var _keys = getOwnNonIndexProperties(val1, ONLY_ENUMERABLE); var _keys2 = getOwnNonIndexProperties(val2, ONLY_ENUMERABLE); if (_keys.length !== _keys2.length) { return false; } return keyCheck(val1, val2, strict, memos, kNoIterator, _keys); } else if (isSet(val1)) { if (!isSet(val2) || val1.size !== val2.size) { return false; } return keyCheck(val1, val2, strict, memos, kIsSet); } else if (isMap(val1)) { if (!isMap(val2) || val1.size !== val2.size) { return false; } return keyCheck(val1, val2, strict, memos, kIsMap); } else if (isAnyArrayBuffer(val1)) { if (!areEqualArrayBuffers(val1, val2)) { return false; } } else if (isBoxedPrimitive(val1) && !isEqualBoxedPrimitive(val1, val2)) { return false; } return keyCheck(val1, val2, strict, memos, kNoIterator); } function getEnumerables(val, keys) { return keys.filter(function (k) { return propertyIsEnumerable(val, k); }); } function keyCheck(val1, val2, strict, memos, iterationType, aKeys) { // For all remaining Object pairs, including Array, objects and Maps, // equivalence is determined by having: // a) The same number of owned enumerable properties // b) The same set of keys/indexes (although not necessarily the same order) // c) Equivalent values for every corresponding key/index // d) For Sets and Maps, equal contents // Note: this accounts for both named and indexed properties on Arrays. if (arguments.length === 5) { aKeys = Object.keys(val1); var bKeys = Object.keys(val2); // The pair must have the same number of owned properties. if (aKeys.length !== bKeys.length) { return false; } } // Cheap key test var i = 0; for (; i < aKeys.length; i++) { if (!hasOwnProperty(val2, aKeys[i])) { return false; } } if (strict && arguments.length === 5) { var symbolKeysA = objectGetOwnPropertySymbols(val1); if (symbolKeysA.length !== 0) { var count = 0; for (i = 0; i < symbolKeysA.length; i++) { var key = symbolKeysA[i]; if (propertyIsEnumerable(val1, key)) { if (!propertyIsEnumerable(val2, key)) { return false; } aKeys.push(key); count++; } else if (propertyIsEnumerable(val2, key)) { return false; } } var symbolKeysB = objectGetOwnPropertySymbols(val2); if (symbolKeysA.length !== symbolKeysB.length && getEnumerables(val2, symbolKeysB).length !== count) { return false; } } else { var _symbolKeysB = objectGetOwnPropertySymbols(val2); if (_symbolKeysB.length !== 0 && getEnumerables(val2, _symbolKeysB).length !== 0) { return false; } } } if (aKeys.length === 0 && (iterationType === kNoIterator || iterationType === kIsArray && val1.length === 0 || val1.size === 0)) { return true; } // Use memos to handle cycles. if (memos === undefined) { memos = { val1: new Map(), val2: new Map(), position: 0 }; } else { // We prevent up to two map.has(x) calls by directly retrieving the value // and checking for undefined. The map can only contain numbers, so it is // safe to check for undefined only. var val2MemoA = memos.val1.get(val1); if (val2MemoA !== undefined) { var val2MemoB = memos.val2.get(val2); if (val2MemoB !== undefined) { return val2MemoA === val2MemoB; } } memos.position++; } memos.val1.set(val1, memos.position); memos.val2.set(val2, memos.position); var areEq = objEquiv(val1, val2, strict, aKeys, memos, iterationType); memos.val1.delete(val1); memos.val2.delete(val2); return areEq; } function setHasEqualElement(set, val1, strict, memo) { // Go looking. var setValues = arrayFromSet(set); for (var i = 0; i < setValues.length; i++) { var val2 = setValues[i]; if (innerDeepEqual(val1, val2, strict, memo)) { // Remove the matching element to make sure we do not check that again. set.delete(val2); return true; } } return false; } // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#Loose_equality_using // Sadly it is not possible to detect corresponding values properly in case the // type is a string, number, bigint or boolean. The reason is that those values // can match lots of different string values (e.g., 1n == '+00001'). function findLooseMatchingPrimitives(prim) { switch (_typeof(prim)) { case 'undefined': return null; case 'object': // Only pass in null as object! return undefined; case 'symbol': return false; case 'string': prim = +prim; // Loose equal entries exist only if the string is possible to convert to // a regular number and not NaN. // Fall through case 'number': if (numberIsNaN(prim)) { return false; } } return true; } function setMightHaveLoosePrim(a, b, prim) { var altValue = findLooseMatchingPrimitives(prim); if (altValue != null) return altValue; return b.has(altValue) && !a.has(altValue); } function mapMightHaveLoosePrim(a, b, prim, item, memo) { var altValue = findLooseMatchingPrimitives(prim); if (altValue != null) { return altValue; } var curB = b.get(altValue); if (curB === undefined && !b.has(altValue) || !innerDeepEqual(item, curB, false, memo)) { return false; } return !a.has(altValue) && innerDeepEqual(item, curB, false, memo); } function setEquiv(a, b, strict, memo) { // This is a lazily initiated Set of entries which have to be compared // pairwise. var set = null; var aValues = arrayFromSet(a); for (var i = 0; i < aValues.length; i++) { var val = aValues[i]; // Note: Checking for the objects first improves the performance for object // heavy sets but it is a minor slow down for primitives. As they are fast // to check this improves the worst case scenario instead. if (_typeof(val) === 'object' && val !== null) { if (set === null) { set = new Set(); } // If the specified value doesn't exist in the second set its an not null // object (or non strict only: a not matching primitive) we'll need to go // hunting for something thats deep-(strict-)equal to it. To make this // O(n log n) complexity we have to copy these values in a new set first. set.add(val); } else if (!b.has(val)) { if (strict) return false; // Fast path to detect missing string, symbol, undefined and null values. if (!setMightHaveLoosePrim(a, b, val)) { return false; } if (set === null) { set = new Set(); } set.add(val); } } if (set !== null) { var bValues = arrayFromSet(b); for (var _i = 0; _i < bValues.length; _i++) { var _val = bValues[_i]; // We have to check if a primitive value is already // matching and only if it's not, go hunting for it. if (_typeof(_val) === 'object' && _val !== null) { if (!setHasEqualElement(set, _val, strict, memo)) return false; } else if (!strict && !a.has(_val) && !setHasEqualElement(set, _val, strict, memo)) { return false; } } return set.size === 0; } return true; } function mapHasEqualEntry(set, map, key1, item1, strict, memo) { // To be able to handle cases like: // Map([[{}, 'a'], [{}, 'b']]) vs Map([[{}, 'b'], [{}, 'a']]) // ... we need to consider *all* matching keys, not just the first we find. var setValues = arrayFromSet(set); for (var i = 0; i < setValues.length; i++) { var key2 = setValues[i]; if (innerDeepEqual(key1, key2, strict, memo) && innerDeepEqual(item1, map.get(key2), strict, memo)) { set.delete(key2); return true; } } return false; } function mapEquiv(a, b, strict, memo) { var set = null; var aEntries = arrayFromMap(a); for (var i = 0; i < aEntries.length; i++) { var _aEntries$i = _slicedToArray(aEntries[i], 2), key = _aEntries$i[0], item1 = _aEntries$i[1]; if (_typeof(key) === 'object' && key !== null) { if (set === null) { set = new Set(); } set.add(key); } else { // By directly retrieving the value we prevent another b.has(key) check in // almost all possible cases. var item2 = b.get(key); if (item2 === undefined && !b.has(key) || !innerDeepEqual(item1, item2, strict, memo)) { if (strict) return false; // Fast path to detect missing string, symbol, undefined and null // keys. if (!mapMightHaveLoosePrim(a, b, key, item1, memo)) return false; if (set === null) { set = new Set(); } set.add(key); } } } if (set !== null) { var bEntries = arrayFromMap(b); for (var _i2 = 0; _i2 < bEntries.length; _i2++) { var _bEntries$_i = _slicedToArray(bEntries[_i2], 2), key = _bEntries$_i[0], item = _bEntries$_i[1]; if (_typeof(key) === 'object' && key !== null) { if (!mapHasEqualEntry(set, a, key, item, strict, memo)) return false; } else if (!strict && (!a.has(key) || !innerDeepEqual(a.get(key), item, false, memo)) && !mapHasEqualEntry(set, a, key, item, false, memo)) { return false; } } return set.size === 0; } return true; } function objEquiv(a, b, strict, keys, memos, iterationType) { // Sets and maps don't have their entries accessible via normal object // properties. var i = 0; if (iterationType === kIsSet) { if (!setEquiv(a, b, strict, memos)) { return false; } } else if (iterationType === kIsMap) { if (!mapEquiv(a, b, strict, memos)) { return false; } } else if (iterationType === kIsArray) { for (; i < a.length; i++) { if (hasOwnProperty(a, i)) { if (!hasOwnProperty(b, i) || !innerDeepEqual(a[i], b[i], strict, memos)) { return false; } } else if (hasOwnProperty(b, i)) { return false; } else { // Array is sparse. var keysA = Object.keys(a); for (; i < keysA.length; i++) { var key = keysA[i]; if (!hasOwnProperty(b, key) || !innerDeepEqual(a[key], b[key], strict, memos)) { return false; } } if (keysA.length !== Object.keys(b).length) { return false; } return true; } } } // The pair must have equivalent values for every corresponding key. // Possibly expensive deep test: for (i = 0; i < keys.length; i++) { var _key = keys[i]; if (!innerDeepEqual(a[_key], b[_key], strict, memos)) { return false; } } return true; } function isDeepEqual(val1, val2) { return innerDeepEqual(val1, val2, kLoose); } function isDeepStrictEqual(val1, val2) { return innerDeepEqual(val1, val2, kStrict); } module.exports = { isDeepEqual: isDeepEqual, isDeepStrictEqual: isDeepStrictEqual }; /***/ }), /***/ "../../node_modules/base-x/src/index.js": /*!**********************************************!*\ !*** ../../node_modules/base-x/src/index.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; // base-x encoding / decoding // Copyright (c) 2018 base-x contributors // Copyright (c) 2014-2018 The Bitcoin Core developers (base58.cpp) // Distributed under the MIT software license, see the accompanying // file LICENSE or http://www.opensource.org/licenses/mit-license.php. // @ts-ignore var _Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) function base (ALPHABET) { if (ALPHABET.length >= 255) { throw new TypeError('Alphabet too long') } var BASE_MAP = new Uint8Array(256) for (var j = 0; j < BASE_MAP.length; j++) { BASE_MAP[j] = 255 } for (var i = 0; i < ALPHABET.length; i++) { var x = ALPHABET.charAt(i) var xc = x.charCodeAt(0) if (BASE_MAP[xc] !== 255) { throw new TypeError(x + ' is ambiguous') } BASE_MAP[xc] = i } var BASE = ALPHABET.length var LEADER = ALPHABET.charAt(0) var FACTOR = Math.log(BASE) / Math.log(256) // log(BASE) / log(256), rounded up var iFACTOR = Math.log(256) / Math.log(BASE) // log(256) / log(BASE), rounded up function encode (source) { if (Array.isArray(source) || source instanceof Uint8Array) { source = _Buffer.from(source) } if (!_Buffer.isBuffer(source)) { throw new TypeError('Expected Buffer') } if (source.length === 0) { return '' } // Skip & count leading zeroes. var zeroes = 0 var length = 0 var pbegin = 0 var pend = source.length while (pbegin !== pend && source[pbegin] === 0) { pbegin++ zeroes++ } // Allocate enough space in big-endian base58 representation. var size = ((pend - pbegin) * iFACTOR + 1) >>> 0 var b58 = new Uint8Array(size) // Process the bytes. while (pbegin !== pend) { var carry = source[pbegin] // Apply "b58 = b58 * 256 + ch". var i = 0 for (var it1 = size - 1; (carry !== 0 || i < length) && (it1 !== -1); it1--, i++) { carry += (256 * b58[it1]) >>> 0 b58[it1] = (carry % BASE) >>> 0 carry = (carry / BASE) >>> 0 } if (carry !== 0) { throw new Error('Non-zero carry') } length = i pbegin++ } // Skip leading zeroes in base58 result. var it2 = size - length while (it2 !== size && b58[it2] === 0) { it2++ } // Translate the result into a string. var str = LEADER.repeat(zeroes) for (; it2 < size; ++it2) { str += ALPHABET.charAt(b58[it2]) } return str } function decodeUnsafe (source) { if (typeof source !== 'string') { throw new TypeError('Expected String') } if (source.length === 0) { return _Buffer.alloc(0) } var psz = 0 // Skip and count leading '1's. var zeroes = 0 var length = 0 while (source[psz] === LEADER) { zeroes++ psz++ } // Allocate enough space in big-endian base256 representation. var size = (((source.length - psz) * FACTOR) + 1) >>> 0 // log(58) / log(256), rounded up. var b256 = new Uint8Array(size) // Process the characters. while (source[psz]) { // Decode character var carry = BASE_MAP[source.charCodeAt(psz)] // Invalid character if (carry === 255) { return } var i = 0 for (var it3 = size - 1; (carry !== 0 || i < length) && (it3 !== -1); it3--, i++) { carry += (BASE * b256[it3]) >>> 0 b256[it3] = (carry % 256) >>> 0 carry = (carry / 256) >>> 0 } if (carry !== 0) { throw new Error('Non-zero carry') } length = i psz++ } // Skip leading zeroes in b256. var it4 = size - length while (it4 !== size && b256[it4] === 0) { it4++ } var vch = _Buffer.allocUnsafe(zeroes + (size - it4)) vch.fill(0x00, 0, zeroes) var j = zeroes while (it4 !== size) { vch[j++] = b256[it4++] } return vch } function decode (string) { var buffer = decodeUnsafe(string) if (buffer) { return buffer } throw new Error('Non-base' + BASE + ' character') } return { encode: encode, decodeUnsafe: decodeUnsafe, decode: decode } } module.exports = base /***/ }), /***/ "../../node_modules/base64-js/index.js": /*!*********************************************!*\ !*** ../../node_modules/base64-js/index.js ***! \*********************************************/ /***/ ((__unused_webpack_module, exports) => { "use strict"; exports.byteLength = byteLength exports.toByteArray = toByteArray exports.fromByteArray = fromByteArray var lookup = [] var revLookup = [] var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' for (var i = 0, len = code.length; i < len; ++i) { lookup[i] = code[i] revLookup[code.charCodeAt(i)] = i } // Support decoding URL-safe base64 strings, as Node.js does. // See: https://en.wikipedia.org/wiki/Base64#URL_applications revLookup['-'.charCodeAt(0)] = 62 revLookup['_'.charCodeAt(0)] = 63 function getLens (b64) { var len = b64.length if (len % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // Trim off extra bytes after placeholder bytes are found // See: https://github.com/beatgammit/base64-js/issues/42 var validLen = b64.indexOf('=') if (validLen === -1) validLen = len var placeHoldersLen = validLen === len ? 0 : 4 - (validLen % 4) return [validLen, placeHoldersLen] } // base64 is 4/3 + up to two characters of the original data function byteLength (b64) { var lens = getLens(b64) var validLen = lens[0] var placeHoldersLen = lens[1] return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen } function _byteLength (b64, validLen, placeHoldersLen) { return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen } function toByteArray (b64) { var tmp var lens = getLens(b64) var validLen = lens[0] var placeHoldersLen = lens[1] var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen)) var curByte = 0 // if there are placeholders, only get up to the last complete 4 chars var len = placeHoldersLen > 0 ? validLen - 4 : validLen var i for (i = 0; i < len; i += 4) { tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)] arr[curByte++] = (tmp >> 16) & 0xFF arr[curByte++] = (tmp >> 8) & 0xFF arr[curByte++] = tmp & 0xFF } if (placeHoldersLen === 2) { tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4) arr[curByte++] = tmp & 0xFF } if (placeHoldersLen === 1) { tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2) arr[curByte++] = (tmp >> 8) & 0xFF arr[curByte++] = tmp & 0xFF } return arr } function tripletToBase64 (num) { return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] } function encodeChunk (uint8, start, end) { var tmp var output = [] for (var i = start; i < end; i += 3) { tmp = ((uint8[i] << 16) & 0xFF0000) + ((uint8[i + 1] << 8) & 0xFF00) + (uint8[i + 2] & 0xFF) output.push(tripletToBase64(tmp)) } return output.join('') } function fromByteArray (uint8) { var tmp var len = uint8.length var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes var parts = [] var maxChunkLength = 16383 // must be multiple of 3 // go through the array every three bytes, we'll deal with trailing stuff later for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))) } // pad the end with zeros, but make sure to not forget the extra bytes if (extraBytes === 1) { tmp = uint8[len - 1] parts.push( lookup[tmp >> 2] + lookup[(tmp << 4) & 0x3F] + '==' ) } else if (extraBytes === 2) { tmp = (uint8[len - 2] << 8) + uint8[len - 1] parts.push( lookup[tmp >> 10] + lookup[(tmp >> 4) & 0x3F] + lookup[(tmp << 2) & 0x3F] + '=' ) } return parts.join('') } /***/ }), /***/ "../../node_modules/big-integer/BigInteger.js": /*!****************************************************!*\ !*** ../../node_modules/big-integer/BigInteger.js ***! \****************************************************/ /***/ ((module, exports, __webpack_require__) => { /* module decorator */ module = __webpack_require__.nmd(module); var __WEBPACK_AMD_DEFINE_RESULT__;var bigInt = (function (undefined) { "use strict"; var BASE = 1e7, LOG_BASE = 7, MAX_INT = 9007199254740992, MAX_INT_ARR = smallToArray(MAX_INT), DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyz"; var supportsNativeBigInt = typeof BigInt === "function"; function Integer(v, radix, alphabet, caseSensitive) { if (typeof v === "undefined") return Integer[0]; if (typeof radix !== "undefined") return +radix === 10 && !alphabet ? parseValue(v) : parseBase(v, radix, alphabet, caseSensitive); return parseValue(v); } function BigInteger(value, sign) { this.value = value; this.sign = sign; this.isSmall = false; } BigInteger.prototype = Object.create(Integer.prototype); function SmallInteger(value) { this.value = value; this.sign = value < 0; this.isSmall = true; } SmallInteger.prototype = Object.create(Integer.prototype); function NativeBigInt(value) { this.value = value; } NativeBigInt.prototype = Object.create(Integer.prototype); function isPrecise(n) { return -MAX_INT < n && n < MAX_INT; } function smallToArray(n) { // For performance reasons doesn't reference BASE, need to change this function if BASE changes if (n < 1e7) return [n]; if (n < 1e14) return [n % 1e7, Math.floor(n / 1e7)]; return [n % 1e7, Math.floor(n / 1e7) % 1e7, Math.floor(n / 1e14)]; } function arrayToSmall(arr) { // If BASE changes this function may need to change trim(arr); var length = arr.length; if (length < 4 && compareAbs(arr, MAX_INT_ARR) < 0) { switch (length) { case 0: return 0; case 1: return arr[0]; case 2: return arr[0] + arr[1] * BASE; default: return arr[0] + (arr[1] + arr[2] * BASE) * BASE; } } return arr; } function trim(v) { var i = v.length; while (v[--i] === 0); v.length = i + 1; } function createArray(length) { // function shamelessly stolen from Yaffle's library https://github.com/Yaffle/BigInteger var x = new Array(length); var i = -1; while (++i < length) { x[i] = 0; } return x; } function truncate(n) { if (n > 0) return Math.floor(n); return Math.ceil(n); } function add(a, b) { // assumes a and b are arrays with a.length >= b.length var l_a = a.length, l_b = b.length, r = new Array(l_a), carry = 0, base = BASE, sum, i; for (i = 0; i < l_b; i++) { sum = a[i] + b[i] + carry; carry = sum >= base ? 1 : 0; r[i] = sum - carry * base; } while (i < l_a) { sum = a[i] + carry; carry = sum === base ? 1 : 0; r[i++] = sum - carry * base; } if (carry > 0) r.push(carry); return r; } function addAny(a, b) { if (a.length >= b.length) return add(a, b); return add(b, a); } function addSmall(a, carry) { // assumes a is array, carry is number with 0 <= carry < MAX_INT var l = a.length, r = new Array(l), base = BASE, sum, i; for (i = 0; i < l; i++) { sum = a[i] - base + carry; carry = Math.floor(sum / base); r[i] = sum - carry * base; carry += 1; } while (carry > 0) { r[i++] = carry % base; carry = Math.floor(carry / base); } return r; } BigInteger.prototype.add = function (v) { var n = parseValue(v); if (this.sign !== n.sign) { return this.subtract(n.negate()); } var a = this.value, b = n.value; if (n.isSmall) { return new BigInteger(addSmall(a, Math.abs(b)), this.sign); } return new BigInteger(addAny(a, b), this.sign); }; BigInteger.prototype.plus = BigInteger.prototype.add; SmallInteger.prototype.add = function (v) { var n = parseValue(v); var a = this.value; if (a < 0 !== n.sign) { return this.subtract(n.negate()); } var b = n.value; if (n.isSmall) { if (isPrecise(a + b)) return new SmallInteger(a + b); b = smallToArray(Math.abs(b)); } return new BigInteger(addSmall(b, Math.abs(a)), a < 0); }; SmallInteger.prototype.plus = SmallInteger.prototype.add; NativeBigInt.prototype.add = function (v) { return new NativeBigInt(this.value + parseValue(v).value); } NativeBigInt.prototype.plus = NativeBigInt.prototype.add; function subtract(a, b) { // assumes a and b are arrays with a >= b var a_l = a.length, b_l = b.length, r = new Array(a_l), borrow = 0, base = BASE, i, difference; for (i = 0; i < b_l; i++) { difference = a[i] - borrow - b[i]; if (difference < 0) { difference += base; borrow = 1; } else borrow = 0; r[i] = difference; } for (i = b_l; i < a_l; i++) { difference = a[i] - borrow; if (difference < 0) difference += base; else { r[i++] = difference; break; } r[i] = difference; } for (; i < a_l; i++) { r[i] = a[i]; } trim(r); return r; } function subtractAny(a, b, sign) { var value; if (compareAbs(a, b) >= 0) { value = subtract(a, b); } else { value = subtract(b, a); sign = !sign; } value = arrayToSmall(value); if (typeof value === "number") { if (sign) value = -value; return new SmallInteger(value); } return new BigInteger(value, sign); } function subtractSmall(a, b, sign) { // assumes a is array, b is number with 0 <= b < MAX_INT var l = a.length, r = new Array(l), carry = -b, base = BASE, i, difference; for (i = 0; i < l; i++) { difference = a[i] + carry; carry = Math.floor(difference / base); difference %= base; r[i] = difference < 0 ? difference + base : difference; } r = arrayToSmall(r); if (typeof r === "number") { if (sign) r = -r; return new SmallInteger(r); } return new BigInteger(r, sign); } BigInteger.prototype.subtract = function (v) { var n = parseValue(v); if (this.sign !== n.sign) { return this.add(n.negate()); } var a = this.value, b = n.value; if (n.isSmall) return subtractSmall(a, Math.abs(b), this.sign); return subtractAny(a, b, this.sign); }; BigInteger.prototype.minus = BigInteger.prototype.subtract; SmallInteger.prototype.subtract = function (v) { var n = parseValue(v); var a = this.value; if (a < 0 !== n.sign) { return this.add(n.negate()); } var b = n.value; if (n.isSmall) { return new SmallInteger(a - b); } return subtractSmall(b, Math.abs(a), a >= 0); }; SmallInteger.prototype.minus = SmallInteger.prototype.subtract; NativeBigInt.prototype.subtract = function (v) { return new NativeBigInt(this.value - parseValue(v).value); } NativeBigInt.prototype.minus = NativeBigInt.prototype.subtract; BigInteger.prototype.negate = function () { return new BigInteger(this.value, !this.sign); }; SmallInteger.prototype.negate = function () { var sign = this.sign; var small = new SmallInteger(-this.value); small.sign = !sign; return small; }; NativeBigInt.prototype.negate = function () { return new NativeBigInt(-this.value); } BigInteger.prototype.abs = function () { return new BigInteger(this.value, false); }; SmallInteger.prototype.abs = function () { return new SmallInteger(Math.abs(this.value)); }; NativeBigInt.prototype.abs = function () { return new NativeBigInt(this.value >= 0 ? this.value : -this.value); } function multiplyLong(a, b) { var a_l = a.length, b_l = b.length, l = a_l + b_l, r = createArray(l), base = BASE, product, carry, i, a_i, b_j; for (i = 0; i < a_l; ++i) { a_i = a[i]; for (var j = 0; j < b_l; ++j) { b_j = b[j]; product = a_i * b_j + r[i + j]; carry = Math.floor(product / base); r[i + j] = product - carry * base; r[i + j + 1] += carry; } } trim(r); return r; } function multiplySmall(a, b) { // assumes a is array, b is number with |b| < BASE var l = a.length, r = new Array(l), base = BASE, carry = 0, product, i; for (i = 0; i < l; i++) { product = a[i] * b + carry; carry = Math.floor(product / base); r[i] = product - carry * base; } while (carry > 0) { r[i++] = carry % base; carry = Math.floor(carry / base); } return r; } function shiftLeft(x, n) { var r = []; while (n-- > 0) r.push(0); return r.concat(x); } function multiplyKaratsuba(x, y) { var n = Math.max(x.length, y.length); if (n <= 30) return multiplyLong(x, y); n = Math.ceil(n / 2); var b = x.slice(n), a = x.slice(0, n), d = y.slice(n), c = y.slice(0, n); var ac = multiplyKaratsuba(a, c), bd = multiplyKaratsuba(b, d), abcd = multiplyKaratsuba(addAny(a, b), addAny(c, d)); var product = addAny(addAny(ac, shiftLeft(subtract(subtract(abcd, ac), bd), n)), shiftLeft(bd, 2 * n)); trim(product); return product; } // The following function is derived from a surface fit of a graph plotting the performance difference // between long multiplication and karatsuba multiplication versus the lengths of the two arrays. function useKaratsuba(l1, l2) { return -0.012 * l1 - 0.012 * l2 + 0.000015 * l1 * l2 > 0; } BigInteger.prototype.multiply = function (v) { var n = parseValue(v), a = this.value, b = n.value, sign = this.sign !== n.sign, abs; if (n.isSmall) { if (b === 0) return Integer[0]; if (b === 1) return this; if (b === -1) return this.negate(); abs = Math.abs(b); if (abs < BASE) { return new BigInteger(multiplySmall(a, abs), sign); } b = smallToArray(abs); } if (useKaratsuba(a.length, b.length)) // Karatsuba is only faster for certain array sizes return new BigInteger(multiplyKaratsuba(a, b), sign); return new BigInteger(multiplyLong(a, b), sign); }; BigInteger.prototype.times = BigInteger.prototype.multiply; function multiplySmallAndArray(a, b, sign) { // a >= 0 if (a < BASE) { return new BigInteger(multiplySmall(b, a), sign); } return new BigInteger(multiplyLong(b, smallToArray(a)), sign); } SmallInteger.prototype._multiplyBySmall = function (a) { if (isPrecise(a.value * this.value)) { return new SmallInteger(a.value * this.value); } return multiplySmallAndArray(Math.abs(a.value), smallToArray(Math.abs(this.value)), this.sign !== a.sign); }; BigInteger.prototype._multiplyBySmall = function (a) { if (a.value === 0) return Integer[0]; if (a.value === 1) return this; if (a.value === -1) return this.negate(); return multiplySmallAndArray(Math.abs(a.value), this.value, this.sign !== a.sign); }; SmallInteger.prototype.multiply = function (v) { return parseValue(v)._multiplyBySmall(this); }; SmallInteger.prototype.times = SmallInteger.prototype.multiply; NativeBigInt.prototype.multiply = function (v) { return new NativeBigInt(this.value * parseValue(v).value); } NativeBigInt.prototype.times = NativeBigInt.prototype.multiply; function square(a) { //console.assert(2 * BASE * BASE < MAX_INT); var l = a.length, r = createArray(l + l), base = BASE, product, carry, i, a_i, a_j; for (i = 0; i < l; i++) { a_i = a[i]; carry = 0 - a_i * a_i; for (var j = i; j < l; j++) { a_j = a[j]; product = 2 * (a_i * a_j) + r[i + j] + carry; carry = Math.floor(product / base); r[i + j] = product - carry * base; } r[i + l] = carry; } trim(r); return r; } BigInteger.prototype.square = function () { return new BigInteger(square(this.value), false); }; SmallInteger.prototype.square = function () { var value = this.value * this.value; if (isPrecise(value)) return new SmallInteger(value); return new BigInteger(square(smallToArray(Math.abs(this.value))), false); }; NativeBigInt.prototype.square = function (v) { return new NativeBigInt(this.value * this.value); } function divMod1(a, b) { // Left over from previous version. Performs faster than divMod2 on smaller input sizes. var a_l = a.length, b_l = b.length, base = BASE, result = createArray(b.length), divisorMostSignificantDigit = b[b_l - 1], // normalization lambda = Math.ceil(base / (2 * divisorMostSignificantDigit)), remainder = multiplySmall(a, lambda), divisor = multiplySmall(b, lambda), quotientDigit, shift, carry, borrow, i, l, q; if (remainder.length <= a_l) remainder.push(0); divisor.push(0); divisorMostSignificantDigit = divisor[b_l - 1]; for (shift = a_l - b_l; shift >= 0; shift--) { quotientDigit = base - 1; if (remainder[shift + b_l] !== divisorMostSignificantDigit) { quotientDigit = Math.floor((remainder[shift + b_l] * base + remainder[shift + b_l - 1]) / divisorMostSignificantDigit); } // quotientDigit <= base - 1 carry = 0; borrow = 0; l = divisor.length; for (i = 0; i < l; i++) { carry += quotientDigit * divisor[i]; q = Math.floor(carry / base); borrow += remainder[shift + i] - (carry - q * base); carry = q; if (borrow < 0) { remainder[shift + i] = borrow + base; borrow = -1; } else { remainder[shift + i] = borrow; borrow = 0; } } while (borrow !== 0) { quotientDigit -= 1; carry = 0; for (i = 0; i < l; i++) { carry += remainder[shift + i] - base + divisor[i]; if (carry < 0) { remainder[shift + i] = carry + base; carry = 0; } else { remainder[shift + i] = carry; carry = 1; } } borrow += carry; } result[shift] = quotientDigit; } // denormalization remainder = divModSmall(remainder, lambda)[0]; return [arrayToSmall(result), arrayToSmall(remainder)]; } function divMod2(a, b) { // Implementation idea shamelessly stolen from Silent Matt's library http://silentmatt.com/biginteger/ // Performs faster than divMod1 on larger input sizes. var a_l = a.length, b_l = b.length, result = [], part = [], base = BASE, guess, xlen, highx, highy, check; while (a_l) { part.unshift(a[--a_l]); trim(part); if (compareAbs(part, b) < 0) { result.push(0); continue; } xlen = part.length; highx = part[xlen - 1] * base + part[xlen - 2]; highy = b[b_l - 1] * base + b[b_l - 2]; if (xlen > b_l) { highx = (highx + 1) * base; } guess = Math.ceil(highx / highy); do { check = multiplySmall(b, guess); if (compareAbs(check, part) <= 0) break; guess--; } while (guess); result.push(guess); part = subtract(part, check); } result.reverse(); return [arrayToSmall(result), arrayToSmall(part)]; } function divModSmall(value, lambda) { var length = value.length, quotient = createArray(length), base = BASE, i, q, remainder, divisor; remainder = 0; for (i = length - 1; i >= 0; --i) { divisor = remainder * base + value[i]; q = truncate(divisor / lambda); remainder = divisor - q * lambda; quotient[i] = q | 0; } return [quotient, remainder | 0]; } function divModAny(self, v) { var value, n = parseValue(v); if (supportsNativeBigInt) { return [new NativeBigInt(self.value / n.value), new NativeBigInt(self.value % n.value)]; } var a = self.value, b = n.value; var quotient; if (b === 0) throw new Error("Cannot divide by zero"); if (self.isSmall) { if (n.isSmall) { return [new SmallInteger(truncate(a / b)), new SmallInteger(a % b)]; } return [Integer[0], self]; } if (n.isSmall) { if (b === 1) return [self, Integer[0]]; if (b == -1) return [self.negate(), Integer[0]]; var abs = Math.abs(b); if (abs < BASE) { value = divModSmall(a, abs); quotient = arrayToSmall(value[0]); var remainder = value[1]; if (self.sign) remainder = -remainder; if (typeof quotient === "number") { if (self.sign !== n.sign) quotient = -quotient; return [new SmallInteger(quotient), new SmallInteger(remainder)]; } return [new BigInteger(quotient, self.sign !== n.sign), new SmallInteger(remainder)]; } b = smallToArray(abs); } var comparison = compareAbs(a, b); if (comparison === -1) return [Integer[0], self]; if (comparison === 0) return [Integer[self.sign === n.sign ? 1 : -1], Integer[0]]; // divMod1 is faster on smaller input sizes if (a.length + b.length <= 200) value = divMod1(a, b); else value = divMod2(a, b); quotient = value[0]; var qSign = self.sign !== n.sign, mod = value[1], mSign = self.sign; if (typeof quotient === "number") { if (qSign) quotient = -quotient; quotient = new SmallInteger(quotient); } else quotient = new BigInteger(quotient, qSign); if (typeof mod === "number") { if (mSign) mod = -mod; mod = new SmallInteger(mod); } else mod = new BigInteger(mod, mSign); return [quotient, mod]; } BigInteger.prototype.divmod = function (v) { var result = divModAny(this, v); return { quotient: result[0], remainder: result[1] }; }; NativeBigInt.prototype.divmod = SmallInteger.prototype.divmod = BigInteger.prototype.divmod; BigInteger.prototype.divide = function (v) { return divModAny(this, v)[0]; }; NativeBigInt.prototype.over = NativeBigInt.prototype.divide = function (v) { return new NativeBigInt(this.value / parseValue(v).value); }; SmallInteger.prototype.over = SmallInteger.prototype.divide = BigInteger.prototype.over = BigInteger.prototype.divide; BigInteger.prototype.mod = function (v) { return divModAny(this, v)[1]; }; NativeBigInt.prototype.mod = NativeBigInt.prototype.remainder = function (v) { return new NativeBigInt(this.value % parseValue(v).value); }; SmallInteger.prototype.remainder = SmallInteger.prototype.mod = BigInteger.prototype.remainder = BigInteger.prototype.mod; BigInteger.prototype.pow = function (v) { var n = parseValue(v), a = this.value, b = n.value, value, x, y; if (b === 0) return Integer[1]; if (a === 0) return Integer[0]; if (a === 1) return Integer[1]; if (a === -1) return n.isEven() ? Integer[1] : Integer[-1]; if (n.sign) { return Integer[0]; } if (!n.isSmall) throw new Error("The exponent " + n.toString() + " is too large."); if (this.isSmall) { if (isPrecise(value = Math.pow(a, b))) return new SmallInteger(truncate(value)); } x = this; y = Integer[1]; while (true) { if (b & 1 === 1) { y = y.times(x); --b; } if (b === 0) break; b /= 2; x = x.square(); } return y; }; SmallInteger.prototype.pow = BigInteger.prototype.pow; NativeBigInt.prototype.pow = function (v) { var n = parseValue(v); var a = this.value, b = n.value; var _0 = BigInt(0), _1 = BigInt(1), _2 = BigInt(2); if (b === _0) return Integer[1]; if (a === _0) return Integer[0]; if (a === _1) return Integer[1]; if (a === BigInt(-1)) return n.isEven() ? Integer[1] : Integer[-1]; if (n.isNegative()) return new NativeBigInt(_0); var x = this; var y = Integer[1]; while (true) { if ((b & _1) === _1) { y = y.times(x); --b; } if (b === _0) break; b /= _2; x = x.square(); } return y; } BigInteger.prototype.modPow = function (exp, mod) { exp = parseValue(exp); mod = parseValue(mod); if (mod.isZero()) throw new Error("Cannot take modPow with modulus 0"); var r = Integer[1], base = this.mod(mod); if (exp.isNegative()) { exp = exp.multiply(Integer[-1]); base = base.modInv(mod); } while (exp.isPositive()) { if (base.isZero()) return Integer[0]; if (exp.isOdd()) r = r.multiply(base).mod(mod); exp = exp.divide(2); base = base.square().mod(mod); } return r; }; NativeBigInt.prototype.modPow = SmallInteger.prototype.modPow = BigInteger.prototype.modPow; function compareAbs(a, b) { if (a.length !== b.length) { return a.length > b.length ? 1 : -1; } for (var i = a.length - 1; i >= 0; i--) { if (a[i] !== b[i]) return a[i] > b[i] ? 1 : -1; } return 0; } BigInteger.prototype.compareAbs = function (v) { var n = parseValue(v), a = this.value, b = n.value; if (n.isSmall) return 1; return compareAbs(a, b); }; SmallInteger.prototype.compareAbs = function (v) { var n = parseValue(v), a = Math.abs(this.value), b = n.value; if (n.isSmall) { b = Math.abs(b); return a === b ? 0 : a > b ? 1 : -1; } return -1; }; NativeBigInt.prototype.compareAbs = function (v) { var a = this.value; var b = parseValue(v).value; a = a >= 0 ? a : -a; b = b >= 0 ? b : -b; return a === b ? 0 : a > b ? 1 : -1; } BigInteger.prototype.compare = function (v) { // See discussion about comparison with Infinity: // https://github.com/peterolson/BigInteger.js/issues/61 if (v === Infinity) { return -1; } if (v === -Infinity) { return 1; } var n = parseValue(v), a = this.value, b = n.value; if (this.sign !== n.sign) { return n.sign ? 1 : -1; } if (n.isSmall) { return this.sign ? -1 : 1; } return compareAbs(a, b) * (this.sign ? -1 : 1); }; BigInteger.prototype.compareTo = BigInteger.prototype.compare; SmallInteger.prototype.compare = function (v) { if (v === Infinity) { return -1; } if (v === -Infinity) { return 1; } var n = parseValue(v), a = this.value, b = n.value; if (n.isSmall) { return a == b ? 0 : a > b ? 1 : -1; } if (a < 0 !== n.sign) { return a < 0 ? -1 : 1; } return a < 0 ? 1 : -1; }; SmallInteger.prototype.compareTo = SmallInteger.prototype.compare; NativeBigInt.prototype.compare = function (v) { if (v === Infinity) { return -1; } if (v === -Infinity) { return 1; } var a = this.value; var b = parseValue(v).value; return a === b ? 0 : a > b ? 1 : -1; } NativeBigInt.prototype.compareTo = NativeBigInt.prototype.compare; BigInteger.prototype.equals = function (v) { return this.compare(v) === 0; }; NativeBigInt.prototype.eq = NativeBigInt.prototype.equals = SmallInteger.prototype.eq = SmallInteger.prototype.equals = BigInteger.prototype.eq = BigInteger.prototype.equals; BigInteger.prototype.notEquals = function (v) { return this.compare(v) !== 0; }; NativeBigInt.prototype.neq = NativeBigInt.prototype.notEquals = SmallInteger.prototype.neq = SmallInteger.prototype.notEquals = BigInteger.prototype.neq = BigInteger.prototype.notEquals; BigInteger.prototype.greater = function (v) { return this.compare(v) > 0; }; NativeBigInt.prototype.gt = NativeBigInt.prototype.greater = SmallInteger.prototype.gt = SmallInteger.prototype.greater = BigInteger.prototype.gt = BigInteger.prototype.greater; BigInteger.prototype.lesser = function (v) { return this.compare(v) < 0; }; NativeBigInt.prototype.lt = NativeBigInt.prototype.lesser = SmallInteger.prototype.lt = SmallInteger.prototype.lesser = BigInteger.prototype.lt = BigInteger.prototype.lesser; BigInteger.prototype.greaterOrEquals = function (v) { return this.compare(v) >= 0; }; NativeBigInt.prototype.geq = NativeBigInt.prototype.greaterOrEquals = SmallInteger.prototype.geq = SmallInteger.prototype.greaterOrEquals = BigInteger.prototype.geq = BigInteger.prototype.greaterOrEquals; BigInteger.prototype.lesserOrEquals = function (v) { return this.compare(v) <= 0; }; NativeBigInt.prototype.leq = NativeBigInt.prototype.lesserOrEquals = SmallInteger.prototype.leq = SmallInteger.prototype.lesserOrEquals = BigInteger.prototype.leq = BigInteger.prototype.lesserOrEquals; BigInteger.prototype.isEven = function () { return (this.value[0] & 1) === 0; }; SmallInteger.prototype.isEven = function () { return (this.value & 1) === 0; }; NativeBigInt.prototype.isEven = function () { return (this.value & BigInt(1)) === BigInt(0); } BigInteger.prototype.isOdd = function () { return (this.value[0] & 1) === 1; }; SmallInteger.prototype.isOdd = function () { return (this.value & 1) === 1; }; NativeBigInt.prototype.isOdd = function () { return (this.value & BigInt(1)) === BigInt(1); } BigInteger.prototype.isPositive = function () { return !this.sign; }; SmallInteger.prototype.isPositive = function () { return this.value > 0; }; NativeBigInt.prototype.isPositive = SmallInteger.prototype.isPositive; BigInteger.prototype.isNegative = function () { return this.sign; }; SmallInteger.prototype.isNegative = function () { return this.value < 0; }; NativeBigInt.prototype.isNegative = SmallInteger.prototype.isNegative; BigInteger.prototype.isUnit = function () { return false; }; SmallInteger.prototype.isUnit = function () { return Math.abs(this.value) === 1; }; NativeBigInt.prototype.isUnit = function () { return this.abs().value === BigInt(1); } BigInteger.prototype.isZero = function () { return false; }; SmallInteger.prototype.isZero = function () { return this.value === 0; }; NativeBigInt.prototype.isZero = function () { return this.value === BigInt(0); } BigInteger.prototype.isDivisibleBy = function (v) { var n = parseValue(v); if (n.isZero()) return false; if (n.isUnit()) return true; if (n.compareAbs(2) === 0) return this.isEven(); return this.mod(n).isZero(); }; NativeBigInt.prototype.isDivisibleBy = SmallInteger.prototype.isDivisibleBy = BigInteger.prototype.isDivisibleBy; function isBasicPrime(v) { var n = v.abs(); if (n.isUnit()) return false; if (n.equals(2) || n.equals(3) || n.equals(5)) return true; if (n.isEven() || n.isDivisibleBy(3) || n.isDivisibleBy(5)) return false; if (n.lesser(49)) return true; // we don't know if it's prime: let the other functions figure it out } function millerRabinTest(n, a) { var nPrev = n.prev(), b = nPrev, r = 0, d, t, i, x; while (b.isEven()) b = b.divide(2), r++; next: for (i = 0; i < a.length; i++) { if (n.lesser(a[i])) continue; x = bigInt(a[i]).modPow(b, n); if (x.isUnit() || x.equals(nPrev)) continue; for (d = r - 1; d != 0; d--) { x = x.square().mod(n); if (x.isUnit()) return false; if (x.equals(nPrev)) continue next; } return false; } return true; } // Set "strict" to true to force GRH-supported lower bound of 2*log(N)^2 BigInteger.prototype.isPrime = function (strict) { var isPrime = isBasicPrime(this); if (isPrime !== undefined) return isPrime; var n = this.abs(); var bits = n.bitLength(); if (bits <= 64) return millerRabinTest(n, [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37]); var logN = Math.log(2) * bits.toJSNumber(); var t = Math.ceil((strict === true) ? (2 * Math.pow(logN, 2)) : logN); for (var a = [], i = 0; i < t; i++) { a.push(bigInt(i + 2)); } return millerRabinTest(n, a); }; NativeBigInt.prototype.isPrime = SmallInteger.prototype.isPrime = BigInteger.prototype.isPrime; BigInteger.prototype.isProbablePrime = function (iterations, rng) { var isPrime = isBasicPrime(this); if (isPrime !== undefined) return isPrime; var n = this.abs(); var t = iterations === undefined ? 5 : iterations; for (var a = [], i = 0; i < t; i++) { a.push(bigInt.randBetween(2, n.minus(2), rng)); } return millerRabinTest(n, a); }; NativeBigInt.prototype.isProbablePrime = SmallInteger.prototype.isProbablePrime = BigInteger.prototype.isProbablePrime; BigInteger.prototype.modInv = function (n) { var t = bigInt.zero, newT = bigInt.one, r = parseValue(n), newR = this.abs(), q, lastT, lastR; while (!newR.isZero()) { q = r.divide(newR); lastT = t; lastR = r; t = newT; r = newR; newT = lastT.subtract(q.multiply(newT)); newR = lastR.subtract(q.multiply(newR)); } if (!r.isUnit()) throw new Error(this.toString() + " and " + n.toString() + " are not co-prime"); if (t.compare(0) === -1) { t = t.add(n); } if (this.isNegative()) { return t.negate(); } return t; }; NativeBigInt.prototype.modInv = SmallInteger.prototype.modInv = BigInteger.prototype.modInv; BigInteger.prototype.next = function () { var value = this.value; if (this.sign) { return subtractSmall(value, 1, this.sign); } return new BigInteger(addSmall(value, 1), this.sign); }; SmallInteger.prototype.next = function () { var value = this.value; if (value + 1 < MAX_INT) return new SmallInteger(value + 1); return new BigInteger(MAX_INT_ARR, false); }; NativeBigInt.prototype.next = function () { return new NativeBigInt(this.value + BigInt(1)); } BigInteger.prototype.prev = function () { var value = this.value; if (this.sign) { return new BigInteger(addSmall(value, 1), true); } return subtractSmall(value, 1, this.sign); }; SmallInteger.prototype.prev = function () { var value = this.value; if (value - 1 > -MAX_INT) return new SmallInteger(value - 1); return new BigInteger(MAX_INT_ARR, true); }; NativeBigInt.prototype.prev = function () { return new NativeBigInt(this.value - BigInt(1)); } var powersOfTwo = [1]; while (2 * powersOfTwo[powersOfTwo.length - 1] <= BASE) powersOfTwo.push(2 * powersOfTwo[powersOfTwo.length - 1]); var powers2Length = powersOfTwo.length, highestPower2 = powersOfTwo[powers2Length - 1]; function shift_isSmall(n) { return Math.abs(n) <= BASE; } BigInteger.prototype.shiftLeft = function (v) { var n = parseValue(v).toJSNumber(); if (!shift_isSmall(n)) { throw new Error(String(n) + " is too large for shifting."); } if (n < 0) return this.shiftRight(-n); var result = this; if (result.isZero()) return result; while (n >= powers2Length) { result = result.multiply(highestPower2); n -= powers2Length - 1; } return result.multiply(powersOfTwo[n]); }; NativeBigInt.prototype.shiftLeft = SmallInteger.prototype.shiftLeft = BigInteger.prototype.shiftLeft; BigInteger.prototype.shiftRight = function (v) { var remQuo; var n = parseValue(v).toJSNumber(); if (!shift_isSmall(n)) { throw new Error(String(n) + " is too large for shifting."); } if (n < 0) return this.shiftLeft(-n); var result = this; while (n >= powers2Length) { if (result.isZero() || (result.isNegative() && result.isUnit())) return result; remQuo = divModAny(result, highestPower2); result = remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; n -= powers2Length - 1; } remQuo = divModAny(result, powersOfTwo[n]); return remQuo[1].isNegative() ? remQuo[0].prev() : remQuo[0]; }; NativeBigInt.prototype.shiftRight = SmallInteger.prototype.shiftRight = BigInteger.prototype.shiftRight; function bitwise(x, y, fn) { y = parseValue(y); var xSign = x.isNegative(), ySign = y.isNegative(); var xRem = xSign ? x.not() : x, yRem = ySign ? y.not() : y; var xDigit = 0, yDigit = 0; var xDivMod = null, yDivMod = null; var result = []; while (!xRem.isZero() || !yRem.isZero()) { xDivMod = divModAny(xRem, highestPower2); xDigit = xDivMod[1].toJSNumber(); if (xSign) { xDigit = highestPower2 - 1 - xDigit; // two's complement for negative numbers } yDivMod = divModAny(yRem, highestPower2); yDigit = yDivMod[1].toJSNumber(); if (ySign) { yDigit = highestPower2 - 1 - yDigit; // two's complement for negative numbers } xRem = xDivMod[0]; yRem = yDivMod[0]; result.push(fn(xDigit, yDigit)); } var sum = fn(xSign ? 1 : 0, ySign ? 1 : 0) !== 0 ? bigInt(-1) : bigInt(0); for (var i = result.length - 1; i >= 0; i -= 1) { sum = sum.multiply(highestPower2).add(bigInt(result[i])); } return sum; } BigInteger.prototype.not = function () { return this.negate().prev(); }; NativeBigInt.prototype.not = SmallInteger.prototype.not = BigInteger.prototype.not; BigInteger.prototype.and = function (n) { return bitwise(this, n, function (a, b) { return a & b; }); }; NativeBigInt.prototype.and = SmallInteger.prototype.and = BigInteger.prototype.and; BigInteger.prototype.or = function (n) { return bitwise(this, n, function (a, b) { return a | b; }); }; NativeBigInt.prototype.or = SmallInteger.prototype.or = BigInteger.prototype.or; BigInteger.prototype.xor = function (n) { return bitwise(this, n, function (a, b) { return a ^ b; }); }; NativeBigInt.prototype.xor = SmallInteger.prototype.xor = BigInteger.prototype.xor; var LOBMASK_I = 1 << 30, LOBMASK_BI = (BASE & -BASE) * (BASE & -BASE) | LOBMASK_I; function roughLOB(n) { // get lowestOneBit (rough) // SmallInteger: return Min(lowestOneBit(n), 1 << 30) // BigInteger: return Min(lowestOneBit(n), 1 << 14) [BASE=1e7] var v = n.value, x = typeof v === "number" ? v | LOBMASK_I : typeof v === "bigint" ? v | BigInt(LOBMASK_I) : v[0] + v[1] * BASE | LOBMASK_BI; return x & -x; } function integerLogarithm(value, base) { if (base.compareTo(value) <= 0) { var tmp = integerLogarithm(value, base.square(base)); var p = tmp.p; var e = tmp.e; var t = p.multiply(base); return t.compareTo(value) <= 0 ? { p: t, e: e * 2 + 1 } : { p: p, e: e * 2 }; } return { p: bigInt(1), e: 0 }; } BigInteger.prototype.bitLength = function () { var n = this; if (n.compareTo(bigInt(0)) < 0) { n = n.negate().subtract(bigInt(1)); } if (n.compareTo(bigInt(0)) === 0) { return bigInt(0); } return bigInt(integerLogarithm(n, bigInt(2)).e).add(bigInt(1)); } NativeBigInt.prototype.bitLength = SmallInteger.prototype.bitLength = BigInteger.prototype.bitLength; function max(a, b) { a = parseValue(a); b = parseValue(b); return a.greater(b) ? a : b; } function min(a, b) { a = parseValue(a); b = parseValue(b); return a.lesser(b) ? a : b; } function gcd(a, b) { a = parseValue(a).abs(); b = parseValue(b).abs(); if (a.equals(b)) return a; if (a.isZero()) return b; if (b.isZero()) return a; var c = Integer[1], d, t; while (a.isEven() && b.isEven()) { d = min(roughLOB(a), roughLOB(b)); a = a.divide(d); b = b.divide(d); c = c.multiply(d); } while (a.isEven()) { a = a.divide(roughLOB(a)); } do { while (b.isEven()) { b = b.divide(roughLOB(b)); } if (a.greater(b)) { t = b; b = a; a = t; } b = b.subtract(a); } while (!b.isZero()); return c.isUnit() ? a : a.multiply(c); } function lcm(a, b) { a = parseValue(a).abs(); b = parseValue(b).abs(); return a.divide(gcd(a, b)).multiply(b); } function randBetween(a, b, rng) { a = parseValue(a); b = parseValue(b); var usedRNG = rng || Math.random; var low = min(a, b), high = max(a, b); var range = high.subtract(low).add(1); if (range.isSmall) return low.add(Math.floor(usedRNG() * range)); var digits = toBase(range, BASE).value; var result = [], restricted = true; for (var i = 0; i < digits.length; i++) { var top = restricted ? digits[i] + (i + 1 < digits.length ? digits[i + 1] / BASE : 0) : BASE; var digit = truncate(usedRNG() * top); result.push(digit); if (digit < digits[i]) restricted = false; } return low.add(Integer.fromArray(result, BASE, false)); } var parseBase = function (text, base, alphabet, caseSensitive) { alphabet = alphabet || DEFAULT_ALPHABET; text = String(text); if (!caseSensitive) { text = text.toLowerCase(); alphabet = alphabet.toLowerCase(); } var length = text.length; var i; var absBase = Math.abs(base); var alphabetValues = {}; for (i = 0; i < alphabet.length; i++) { alphabetValues[alphabet[i]] = i; } for (i = 0; i < length; i++) { var c = text[i]; if (c === "-") continue; if (c in alphabetValues) { if (alphabetValues[c] >= absBase) { if (c === "1" && absBase === 1) continue; throw new Error(c + " is not a valid digit in base " + base + "."); } } } base = parseValue(base); var digits = []; var isNegative = text[0] === "-"; for (i = isNegative ? 1 : 0; i < text.length; i++) { var c = text[i]; if (c in alphabetValues) digits.push(parseValue(alphabetValues[c])); else if (c === "<") { var start = i; do { i++; } while (text[i] !== ">" && i < text.length); digits.push(parseValue(text.slice(start + 1, i))); } else throw new Error(c + " is not a valid character"); } return parseBaseFromArray(digits, base, isNegative); }; function parseBaseFromArray(digits, base, isNegative) { var val = Integer[0], pow = Integer[1], i; for (i = digits.length - 1; i >= 0; i--) { val = val.add(digits[i].times(pow)); pow = pow.times(base); } return isNegative ? val.negate() : val; } function stringify(digit, alphabet) { alphabet = alphabet || DEFAULT_ALPHABET; if (digit < alphabet.length) { return alphabet[digit]; } return "<" + digit + ">"; } function toBase(n, base) { base = bigInt(base); if (base.isZero()) { if (n.isZero()) return { value: [0], isNegative: false }; throw new Error("Cannot convert nonzero numbers to base 0."); } if (base.equals(-1)) { if (n.isZero()) return { value: [0], isNegative: false }; if (n.isNegative()) return { value: [].concat.apply([], Array.apply(null, Array(-n.toJSNumber())) .map(Array.prototype.valueOf, [1, 0]) ), isNegative: false }; var arr = Array.apply(null, Array(n.toJSNumber() - 1)) .map(Array.prototype.valueOf, [0, 1]); arr.unshift([1]); return { value: [].concat.apply([], arr), isNegative: false }; } var neg = false; if (n.isNegative() && base.isPositive()) { neg = true; n = n.abs(); } if (base.isUnit()) { if (n.isZero()) return { value: [0], isNegative: false }; return { value: Array.apply(null, Array(n.toJSNumber())) .map(Number.prototype.valueOf, 1), isNegative: neg }; } var out = []; var left = n, divmod; while (left.isNegative() || left.compareAbs(base) >= 0) { divmod = left.divmod(base); left = divmod.quotient; var digit = divmod.remainder; if (digit.isNegative()) { digit = base.minus(digit).abs(); left = left.next(); } out.push(digit.toJSNumber()); } out.push(left.toJSNumber()); return { value: out.reverse(), isNegative: neg }; } function toBaseString(n, base, alphabet) { var arr = toBase(n, base); return (arr.isNegative ? "-" : "") + arr.value.map(function (x) { return stringify(x, alphabet); }).join(''); } BigInteger.prototype.toArray = function (radix) { return toBase(this, radix); }; SmallInteger.prototype.toArray = function (radix) { return toBase(this, radix); }; NativeBigInt.prototype.toArray = function (radix) { return toBase(this, radix); }; BigInteger.prototype.toString = function (radix, alphabet) { if (radix === undefined) radix = 10; if (radix !== 10) return toBaseString(this, radix, alphabet); var v = this.value, l = v.length, str = String(v[--l]), zeros = "0000000", digit; while (--l >= 0) { digit = String(v[l]); str += zeros.slice(digit.length) + digit; } var sign = this.sign ? "-" : ""; return sign + str; }; SmallInteger.prototype.toString = function (radix, alphabet) { if (radix === undefined) radix = 10; if (radix != 10) return toBaseString(this, radix, alphabet); return String(this.value); }; NativeBigInt.prototype.toString = SmallInteger.prototype.toString; NativeBigInt.prototype.toJSON = BigInteger.prototype.toJSON = SmallInteger.prototype.toJSON = function () { return this.toString(); } BigInteger.prototype.valueOf = function () { return parseInt(this.toString(), 10); }; BigInteger.prototype.toJSNumber = BigInteger.prototype.valueOf; SmallInteger.prototype.valueOf = function () { return this.value; }; SmallInteger.prototype.toJSNumber = SmallInteger.prototype.valueOf; NativeBigInt.prototype.valueOf = NativeBigInt.prototype.toJSNumber = function () { return parseInt(this.toString(), 10); } function parseStringValue(v) { if (isPrecise(+v)) { var x = +v; if (x === truncate(x)) return supportsNativeBigInt ? new NativeBigInt(BigInt(x)) : new SmallInteger(x); throw new Error("Invalid integer: " + v); } var sign = v[0] === "-"; if (sign) v = v.slice(1); var split = v.split(/e/i); if (split.length > 2) throw new Error("Invalid integer: " + split.join("e")); if (split.length === 2) { var exp = split[1]; if (exp[0] === "+") exp = exp.slice(1); exp = +exp; if (exp !== truncate(exp) || !isPrecise(exp)) throw new Error("Invalid integer: " + exp + " is not a valid exponent."); var text = split[0]; var decimalPlace = text.indexOf("."); if (decimalPlace >= 0) { exp -= text.length - decimalPlace - 1; text = text.slice(0, decimalPlace) + text.slice(decimalPlace + 1); } if (exp < 0) throw new Error("Cannot include negative exponent part for integers"); text += (new Array(exp + 1)).join("0"); v = text; } var isValid = /^([0-9][0-9]*)$/.test(v); if (!isValid) throw new Error("Invalid integer: " + v); if (supportsNativeBigInt) { return new NativeBigInt(BigInt(sign ? "-" + v : v)); } var r = [], max = v.length, l = LOG_BASE, min = max - l; while (max > 0) { r.push(+v.slice(min, max)); min -= l; if (min < 0) min = 0; max -= l; } trim(r); return new BigInteger(r, sign); } function parseNumberValue(v) { if (supportsNativeBigInt) { return new NativeBigInt(BigInt(v)); } if (isPrecise(v)) { if (v !== truncate(v)) throw new Error(v + " is not an integer."); return new SmallInteger(v); } return parseStringValue(v.toString()); } function parseValue(v) { if (typeof v === "number") { return parseNumberValue(v); } if (typeof v === "string") { return parseStringValue(v); } if (typeof v === "bigint") { return new NativeBigInt(v); } return v; } // Pre-define numbers in range [-999,999] for (var i = 0; i < 1000; i++) { Integer[i] = parseValue(i); if (i > 0) Integer[-i] = parseValue(-i); } // Backwards compatibility Integer.one = Integer[1]; Integer.zero = Integer[0]; Integer.minusOne = Integer[-1]; Integer.max = max; Integer.min = min; Integer.gcd = gcd; Integer.lcm = lcm; Integer.isInstance = function (x) { return x instanceof BigInteger || x instanceof SmallInteger || x instanceof NativeBigInt; }; Integer.randBetween = randBetween; Integer.fromArray = function (digits, base, isNegative) { return parseBaseFromArray(digits.map(parseValue), parseValue(base || 10), isNegative); }; return Integer; })(); // Node.js check if ( true && module.hasOwnProperty("exports")) { module.exports = bigInt; } //amd check if (true) { !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () { return bigInt; }).call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); } /***/ }), /***/ "../../node_modules/bignumber.js/bignumber.js": /*!****************************************************!*\ !*** ../../node_modules/bignumber.js/bignumber.js ***! \****************************************************/ /***/ (function(module, exports, __webpack_require__) { var __WEBPACK_AMD_DEFINE_RESULT__;;(function (globalObject) { 'use strict'; /* * bignumber.js v9.1.1 * A JavaScript library for arbitrary-precision arithmetic. * https://github.com/MikeMcl/bignumber.js * Copyright (c) 2022 Michael Mclaughlin * MIT Licensed. * * BigNumber.prototype methods | BigNumber methods * | * absoluteValue abs | clone * comparedTo | config set * decimalPlaces dp | DECIMAL_PLACES * dividedBy div | ROUNDING_MODE * dividedToIntegerBy idiv | EXPONENTIAL_AT * exponentiatedBy pow | RANGE * integerValue | CRYPTO * isEqualTo eq | MODULO_MODE * isFinite | POW_PRECISION * isGreaterThan gt | FORMAT * isGreaterThanOrEqualTo gte | ALPHABET * isInteger | isBigNumber * isLessThan lt | maximum max * isLessThanOrEqualTo lte | minimum min * isNaN | random * isNegative | sum * isPositive | * isZero | * minus | * modulo mod | * multipliedBy times | * negated | * plus | * precision sd | * shiftedBy | * squareRoot sqrt | * toExponential | * toFixed | * toFormat | * toFraction | * toJSON | * toNumber | * toPrecision | * toString | * valueOf | * */ var BigNumber, isNumeric = /^-?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?$/i, mathceil = Math.ceil, mathfloor = Math.floor, bignumberError = '[BigNumber Error] ', tooManyDigits = bignumberError + 'Number primitive has more than 15 significant digits: ', BASE = 1e14, LOG_BASE = 14, MAX_SAFE_INTEGER = 0x1fffffffffffff, // 2^53 - 1 // MAX_INT32 = 0x7fffffff, // 2^31 - 1 POWS_TEN = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13], SQRT_BASE = 1e7, // EDITABLE // The limit on the value of DECIMAL_PLACES, TO_EXP_NEG, TO_EXP_POS, MIN_EXP, MAX_EXP, and // the arguments to toExponential, toFixed, toFormat, and toPrecision. MAX = 1E9; // 0 to MAX_INT32 /* * Create and return a BigNumber constructor. */ function clone(configObject) { var div, convertBase, parseNumeric, P = BigNumber.prototype = { constructor: BigNumber, toString: null, valueOf: null }, ONE = new BigNumber(1), //----------------------------- EDITABLE CONFIG DEFAULTS ------------------------------- // The default values below must be integers within the inclusive ranges stated. // The values can also be changed at run-time using BigNumber.set. // The maximum number of decimal places for operations involving division. DECIMAL_PLACES = 20, // 0 to MAX // The rounding mode used when rounding to the above decimal places, and when using // toExponential, toFixed, toFormat and toPrecision, and round (default value). // UP 0 Away from zero. // DOWN 1 Towards zero. // CEIL 2 Towards +Infinity. // FLOOR 3 Towards -Infinity. // HALF_UP 4 Towards nearest neighbour. If equidistant, up. // HALF_DOWN 5 Towards nearest neighbour. If equidistant, down. // HALF_EVEN 6 Towards nearest neighbour. If equidistant, towards even neighbour. // HALF_CEIL 7 Towards nearest neighbour. If equidistant, towards +Infinity. // HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity. ROUNDING_MODE = 4, // 0 to 8 // EXPONENTIAL_AT : [TO_EXP_NEG , TO_EXP_POS] // The exponent value at and beneath which toString returns exponential notation. // Number type: -7 TO_EXP_NEG = -7, // 0 to -MAX // The exponent value at and above which toString returns exponential notation. // Number type: 21 TO_EXP_POS = 21, // 0 to MAX // RANGE : [MIN_EXP, MAX_EXP] // The minimum exponent value, beneath which underflow to zero occurs. // Number type: -324 (5e-324) MIN_EXP = -1e7, // -1 to -MAX // The maximum exponent value, above which overflow to Infinity occurs. // Number type: 308 (1.7976931348623157e+308) // For MAX_EXP > 1e7, e.g. new BigNumber('1e100000000').plus(1) may be slow. MAX_EXP = 1e7, // 1 to MAX // Whether to use cryptographically-secure random number generation, if available. CRYPTO = false, // true or false // The modulo mode used when calculating the modulus: a mod n. // The quotient (q = a / n) is calculated according to the corresponding rounding mode. // The remainder (r) is calculated as: r = a - n * q. // // UP 0 The remainder is positive if the dividend is negative, else is negative. // DOWN 1 The remainder has the same sign as the dividend. // This modulo mode is commonly known as 'truncated division' and is // equivalent to (a % n) in JavaScript. // FLOOR 3 The remainder has the same sign as the divisor (Python %). // HALF_EVEN 6 This modulo mode implements the IEEE 754 remainder function. // EUCLID 9 Euclidian division. q = sign(n) * floor(a / abs(n)). // The remainder is always positive. // // The truncated division, floored division, Euclidian division and IEEE 754 remainder // modes are commonly used for the modulus operation. // Although the other rounding modes can also be used, they may not give useful results. MODULO_MODE = 1, // 0 to 9 // The maximum number of significant digits of the result of the exponentiatedBy operation. // If POW_PRECISION is 0, there will be unlimited significant digits. POW_PRECISION = 0, // 0 to MAX // The format specification used by the BigNumber.prototype.toFormat method. FORMAT = { prefix: '', groupSize: 3, secondaryGroupSize: 0, groupSeparator: ',', decimalSeparator: '.', fractionGroupSize: 0, fractionGroupSeparator: '\xA0', // non-breaking space suffix: '' }, // The alphabet used for base conversion. It must be at least 2 characters long, with no '+', // '-', '.', whitespace, or repeated character. // '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_' ALPHABET = '0123456789abcdefghijklmnopqrstuvwxyz', alphabetHasNormalDecimalDigits = true; //------------------------------------------------------------------------------------------ // CONSTRUCTOR /* * The BigNumber constructor and exported function. * Create and return a new instance of a BigNumber object. * * v {number|string|BigNumber} A numeric value. * [b] {number} The base of v. Integer, 2 to ALPHABET.length inclusive. */ function BigNumber(v, b) { var alphabet, c, caseChanged, e, i, isNum, len, str, x = this; // Enable constructor call without `new`. if (!(x instanceof BigNumber)) return new BigNumber(v, b); if (b == null) { if (v && v._isBigNumber === true) { x.s = v.s; if (!v.c || v.e > MAX_EXP) { x.c = x.e = null; } else if (v.e < MIN_EXP) { x.c = [x.e = 0]; } else { x.e = v.e; x.c = v.c.slice(); } return; } if ((isNum = typeof v == 'number') && v * 0 == 0) { // Use `1 / n` to handle minus zero also. x.s = 1 / v < 0 ? (v = -v, -1) : 1; // Fast path for integers, where n < 2147483648 (2**31). if (v === ~~v) { for (e = 0, i = v; i >= 10; i /= 10, e++); if (e > MAX_EXP) { x.c = x.e = null; } else { x.e = e; x.c = [v]; } return; } str = String(v); } else { if (!isNumeric.test(str = String(v))) return parseNumeric(x, str, isNum); x.s = str.charCodeAt(0) == 45 ? (str = str.slice(1), -1) : 1; } // Decimal point? if ((e = str.indexOf('.')) > -1) str = str.replace('.', ''); // Exponential form? if ((i = str.search(/e/i)) > 0) { // Determine exponent. if (e < 0) e = i; e += +str.slice(i + 1); str = str.substring(0, i); } else if (e < 0) { // Integer. e = str.length; } } else { // '[BigNumber Error] Base {not a primitive number|not an integer|out of range}: {b}' intCheck(b, 2, ALPHABET.length, 'Base'); // Allow exponential notation to be used with base 10 argument, while // also rounding to DECIMAL_PLACES as with other bases. if (b == 10 && alphabetHasNormalDecimalDigits) { x = new BigNumber(v); return round(x, DECIMAL_PLACES + x.e + 1, ROUNDING_MODE); } str = String(v); if (isNum = typeof v == 'number') { // Avoid potential interpretation of Infinity and NaN as base 44+ values. if (v * 0 != 0) return parseNumeric(x, str, isNum, b); x.s = 1 / v < 0 ? (str = str.slice(1), -1) : 1; // '[BigNumber Error] Number primitive has more than 15 significant digits: {n}' if (BigNumber.DEBUG && str.replace(/^0\.0*|\./, '').length > 15) { throw Error (tooManyDigits + v); } } else { x.s = str.charCodeAt(0) === 45 ? (str = str.slice(1), -1) : 1; } alphabet = ALPHABET.slice(0, b); e = i = 0; // Check that str is a valid base b number. // Don't use RegExp, so alphabet can contain special characters. for (len = str.length; i < len; i++) { if (alphabet.indexOf(c = str.charAt(i)) < 0) { if (c == '.') { // If '.' is not the first character and it has not be found before. if (i > e) { e = len; continue; } } else if (!caseChanged) { // Allow e.g. hexadecimal 'FF' as well as 'ff'. if (str == str.toUpperCase() && (str = str.toLowerCase()) || str == str.toLowerCase() && (str = str.toUpperCase())) { caseChanged = true; i = -1; e = 0; continue; } } return parseNumeric(x, String(v), isNum, b); } } // Prevent later check for length on converted number. isNum = false; str = convertBase(str, b, 10, x.s); // Decimal point? if ((e = str.indexOf('.')) > -1) str = str.replace('.', ''); else e = str.length; } // Determine leading zeros. for (i = 0; str.charCodeAt(i) === 48; i++); // Determine trailing zeros. for (len = str.length; str.charCodeAt(--len) === 48;); if (str = str.slice(i, ++len)) { len -= i; // '[BigNumber Error] Number primitive has more than 15 significant digits: {n}' if (isNum && BigNumber.DEBUG && len > 15 && (v > MAX_SAFE_INTEGER || v !== mathfloor(v))) { throw Error (tooManyDigits + (x.s * v)); } // Overflow? if ((e = e - i - 1) > MAX_EXP) { // Infinity. x.c = x.e = null; // Underflow? } else if (e < MIN_EXP) { // Zero. x.c = [x.e = 0]; } else { x.e = e; x.c = []; // Transform base // e is the base 10 exponent. // i is where to slice str to get the first element of the coefficient array. i = (e + 1) % LOG_BASE; if (e < 0) i += LOG_BASE; // i < 1 if (i < len) { if (i) x.c.push(+str.slice(0, i)); for (len -= LOG_BASE; i < len;) { x.c.push(+str.slice(i, i += LOG_BASE)); } i = LOG_BASE - (str = str.slice(i)).length; } else { i -= len; } for (; i--; str += '0'); x.c.push(+str); } } else { // Zero. x.c = [x.e = 0]; } } // CONSTRUCTOR PROPERTIES BigNumber.clone = clone; BigNumber.ROUND_UP = 0; BigNumber.ROUND_DOWN = 1; BigNumber.ROUND_CEIL = 2; BigNumber.ROUND_FLOOR = 3; BigNumber.ROUND_HALF_UP = 4; BigNumber.ROUND_HALF_DOWN = 5; BigNumber.ROUND_HALF_EVEN = 6; BigNumber.ROUND_HALF_CEIL = 7; BigNumber.ROUND_HALF_FLOOR = 8; BigNumber.EUCLID = 9; /* * Configure infrequently-changing library-wide settings. * * Accept an object with the following optional properties (if the value of a property is * a number, it must be an integer within the inclusive range stated): * * DECIMAL_PLACES {number} 0 to MAX * ROUNDING_MODE {number} 0 to 8 * EXPONENTIAL_AT {number|number[]} -MAX to MAX or [-MAX to 0, 0 to MAX] * RANGE {number|number[]} -MAX to MAX (not zero) or [-MAX to -1, 1 to MAX] * CRYPTO {boolean} true or false * MODULO_MODE {number} 0 to 9 * POW_PRECISION {number} 0 to MAX * ALPHABET {string} A string of two or more unique characters which does * not contain '.'. * FORMAT {object} An object with some of the following properties: * prefix {string} * groupSize {number} * secondaryGroupSize {number} * groupSeparator {string} * decimalSeparator {string} * fractionGroupSize {number} * fractionGroupSeparator {string} * suffix {string} * * (The values assigned to the above FORMAT object properties are not checked for validity.) * * E.g. * BigNumber.config({ DECIMAL_PLACES : 20, ROUNDING_MODE : 4 }) * * Ignore properties/parameters set to null or undefined, except for ALPHABET. * * Return an object with the properties current values. */ BigNumber.config = BigNumber.set = function (obj) { var p, v; if (obj != null) { if (typeof obj == 'object') { // DECIMAL_PLACES {number} Integer, 0 to MAX inclusive. // '[BigNumber Error] DECIMAL_PLACES {not a primitive number|not an integer|out of range}: {v}' if (obj.hasOwnProperty(p = 'DECIMAL_PLACES')) { v = obj[p]; intCheck(v, 0, MAX, p); DECIMAL_PLACES = v; } // ROUNDING_MODE {number} Integer, 0 to 8 inclusive. // '[BigNumber Error] ROUNDING_MODE {not a primitive number|not an integer|out of range}: {v}' if (obj.hasOwnProperty(p = 'ROUNDING_MODE')) { v = obj[p]; intCheck(v, 0, 8, p); ROUNDING_MODE = v; } // EXPONENTIAL_AT {number|number[]} // Integer, -MAX to MAX inclusive or // [integer -MAX to 0 inclusive, 0 to MAX inclusive]. // '[BigNumber Error] EXPONENTIAL_AT {not a primitive number|not an integer|out of range}: {v}' if (obj.hasOwnProperty(p = 'EXPONENTIAL_AT')) { v = obj[p]; if (v && v.pop) { intCheck(v[0], -MAX, 0, p); intCheck(v[1], 0, MAX, p); TO_EXP_NEG = v[0]; TO_EXP_POS = v[1]; } else { intCheck(v, -MAX, MAX, p); TO_EXP_NEG = -(TO_EXP_POS = v < 0 ? -v : v); } } // RANGE {number|number[]} Non-zero integer, -MAX to MAX inclusive or // [integer -MAX to -1 inclusive, integer 1 to MAX inclusive]. // '[BigNumber Error] RANGE {not a primitive number|not an integer|out of range|cannot be zero}: {v}' if (obj.hasOwnProperty(p = 'RANGE')) { v = obj[p]; if (v && v.pop) { intCheck(v[0], -MAX, -1, p); intCheck(v[1], 1, MAX, p); MIN_EXP = v[0]; MAX_EXP = v[1]; } else { intCheck(v, -MAX, MAX, p); if (v) { MIN_EXP = -(MAX_EXP = v < 0 ? -v : v); } else { throw Error (bignumberError + p + ' cannot be zero: ' + v); } } } // CRYPTO {boolean} true or false. // '[BigNumber Error] CRYPTO not true or false: {v}' // '[BigNumber Error] crypto unavailable' if (obj.hasOwnProperty(p = 'CRYPTO')) { v = obj[p]; if (v === !!v) { if (v) { if (typeof crypto != 'undefined' && crypto && (crypto.getRandomValues || crypto.randomBytes)) { CRYPTO = v; } else { CRYPTO = !v; throw Error (bignumberError + 'crypto unavailable'); } } else { CRYPTO = v; } } else { throw Error (bignumberError + p + ' not true or false: ' + v); } } // MODULO_MODE {number} Integer, 0 to 9 inclusive. // '[BigNumber Error] MODULO_MODE {not a primitive number|not an integer|out of range}: {v}' if (obj.hasOwnProperty(p = 'MODULO_MODE')) { v = obj[p]; intCheck(v, 0, 9, p); MODULO_MODE = v; } // POW_PRECISION {number} Integer, 0 to MAX inclusive. // '[BigNumber Error] POW_PRECISION {not a primitive number|not an integer|out of range}: {v}' if (obj.hasOwnProperty(p = 'POW_PRECISION')) { v = obj[p]; intCheck(v, 0, MAX, p); POW_PRECISION = v; } // FORMAT {object} // '[BigNumber Error] FORMAT not an object: {v}' if (obj.hasOwnProperty(p = 'FORMAT')) { v = obj[p]; if (typeof v == 'object') FORMAT = v; else throw Error (bignumberError + p + ' not an object: ' + v); } // ALPHABET {string} // '[BigNumber Error] ALPHABET invalid: {v}' if (obj.hasOwnProperty(p = 'ALPHABET')) { v = obj[p]; // Disallow if less than two characters, // or if it contains '+', '-', '.', whitespace, or a repeated character. if (typeof v == 'string' && !/^.?$|[+\-.\s]|(.).*\1/.test(v)) { alphabetHasNormalDecimalDigits = v.slice(0, 10) == '0123456789'; ALPHABET = v; } else { throw Error (bignumberError + p + ' invalid: ' + v); } } } else { // '[BigNumber Error] Object expected: {v}' throw Error (bignumberError + 'Object expected: ' + obj); } } return { DECIMAL_PLACES: DECIMAL_PLACES, ROUNDING_MODE: ROUNDING_MODE, EXPONENTIAL_AT: [TO_EXP_NEG, TO_EXP_POS], RANGE: [MIN_EXP, MAX_EXP], CRYPTO: CRYPTO, MODULO_MODE: MODULO_MODE, POW_PRECISION: POW_PRECISION, FORMAT: FORMAT, ALPHABET: ALPHABET }; }; /* * Return true if v is a BigNumber instance, otherwise return false. * * If BigNumber.DEBUG is true, throw if a BigNumber instance is not well-formed. * * v {any} * * '[BigNumber Error] Invalid BigNumber: {v}' */ BigNumber.isBigNumber = function (v) { if (!v || v._isBigNumber !== true) return false; if (!BigNumber.DEBUG) return true; var i, n, c = v.c, e = v.e, s = v.s; out: if ({}.toString.call(c) == '[object Array]') { if ((s === 1 || s === -1) && e >= -MAX && e <= MAX && e === mathfloor(e)) { // If the first element is zero, the BigNumber value must be zero. if (c[0] === 0) { if (e === 0 && c.length === 1) return true; break out; } // Calculate number of digits that c[0] should have, based on the exponent. i = (e + 1) % LOG_BASE; if (i < 1) i += LOG_BASE; // Calculate number of digits of c[0]. //if (Math.ceil(Math.log(c[0] + 1) / Math.LN10) == i) { if (String(c[0]).length == i) { for (i = 0; i < c.length; i++) { n = c[i]; if (n < 0 || n >= BASE || n !== mathfloor(n)) break out; } // Last element cannot be zero, unless it is the only element. if (n !== 0) return true; } } // Infinity/NaN } else if (c === null && e === null && (s === null || s === 1 || s === -1)) { return true; } throw Error (bignumberError + 'Invalid BigNumber: ' + v); }; /* * Return a new BigNumber whose value is the maximum of the arguments. * * arguments {number|string|BigNumber} */ BigNumber.maximum = BigNumber.max = function () { return maxOrMin(arguments, P.lt); }; /* * Return a new BigNumber whose value is the minimum of the arguments. * * arguments {number|string|BigNumber} */ BigNumber.minimum = BigNumber.min = function () { return maxOrMin(arguments, P.gt); }; /* * Return a new BigNumber with a random value equal to or greater than 0 and less than 1, * and with dp, or DECIMAL_PLACES if dp is omitted, decimal places (or less if trailing * zeros are produced). * * [dp] {number} Decimal places. Integer, 0 to MAX inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp}' * '[BigNumber Error] crypto unavailable' */ BigNumber.random = (function () { var pow2_53 = 0x20000000000000; // Return a 53 bit integer n, where 0 <= n < 9007199254740992. // Check if Math.random() produces more than 32 bits of randomness. // If it does, assume at least 53 bits are produced, otherwise assume at least 30 bits. // 0x40000000 is 2^30, 0x800000 is 2^23, 0x1fffff is 2^21 - 1. var random53bitInt = (Math.random() * pow2_53) & 0x1fffff ? function () { return mathfloor(Math.random() * pow2_53); } : function () { return ((Math.random() * 0x40000000 | 0) * 0x800000) + (Math.random() * 0x800000 | 0); }; return function (dp) { var a, b, e, k, v, i = 0, c = [], rand = new BigNumber(ONE); if (dp == null) dp = DECIMAL_PLACES; else intCheck(dp, 0, MAX); k = mathceil(dp / LOG_BASE); if (CRYPTO) { // Browsers supporting crypto.getRandomValues. if (crypto.getRandomValues) { a = crypto.getRandomValues(new Uint32Array(k *= 2)); for (; i < k;) { // 53 bits: // ((Math.pow(2, 32) - 1) * Math.pow(2, 21)).toString(2) // 11111 11111111 11111111 11111111 11100000 00000000 00000000 // ((Math.pow(2, 32) - 1) >>> 11).toString(2) // 11111 11111111 11111111 // 0x20000 is 2^21. v = a[i] * 0x20000 + (a[i + 1] >>> 11); // Rejection sampling: // 0 <= v < 9007199254740992 // Probability that v >= 9e15, is // 7199254740992 / 9007199254740992 ~= 0.0008, i.e. 1 in 1251 if (v >= 9e15) { b = crypto.getRandomValues(new Uint32Array(2)); a[i] = b[0]; a[i + 1] = b[1]; } else { // 0 <= v <= 8999999999999999 // 0 <= (v % 1e14) <= 99999999999999 c.push(v % 1e14); i += 2; } } i = k / 2; // Node.js supporting crypto.randomBytes. } else if (crypto.randomBytes) { // buffer a = crypto.randomBytes(k *= 7); for (; i < k;) { // 0x1000000000000 is 2^48, 0x10000000000 is 2^40 // 0x100000000 is 2^32, 0x1000000 is 2^24 // 11111 11111111 11111111 11111111 11111111 11111111 11111111 // 0 <= v < 9007199254740992 v = ((a[i] & 31) * 0x1000000000000) + (a[i + 1] * 0x10000000000) + (a[i + 2] * 0x100000000) + (a[i + 3] * 0x1000000) + (a[i + 4] << 16) + (a[i + 5] << 8) + a[i + 6]; if (v >= 9e15) { crypto.randomBytes(7).copy(a, i); } else { // 0 <= (v % 1e14) <= 99999999999999 c.push(v % 1e14); i += 7; } } i = k / 7; } else { CRYPTO = false; throw Error (bignumberError + 'crypto unavailable'); } } // Use Math.random. if (!CRYPTO) { for (; i < k;) { v = random53bitInt(); if (v < 9e15) c[i++] = v % 1e14; } } k = c[--i]; dp %= LOG_BASE; // Convert trailing digits to zeros according to dp. if (k && dp) { v = POWS_TEN[LOG_BASE - dp]; c[i] = mathfloor(k / v) * v; } // Remove trailing elements which are zero. for (; c[i] === 0; c.pop(), i--); // Zero? if (i < 0) { c = [e = 0]; } else { // Remove leading elements which are zero and adjust exponent accordingly. for (e = -1 ; c[0] === 0; c.splice(0, 1), e -= LOG_BASE); // Count the digits of the first element of c to determine leading zeros, and... for (i = 1, v = c[0]; v >= 10; v /= 10, i++); // adjust the exponent accordingly. if (i < LOG_BASE) e -= LOG_BASE - i; } rand.e = e; rand.c = c; return rand; }; })(); /* * Return a BigNumber whose value is the sum of the arguments. * * arguments {number|string|BigNumber} */ BigNumber.sum = function () { var i = 1, args = arguments, sum = new BigNumber(args[0]); for (; i < args.length;) sum = sum.plus(args[i++]); return sum; }; // PRIVATE FUNCTIONS // Called by BigNumber and BigNumber.prototype.toString. convertBase = (function () { var decimal = '0123456789'; /* * Convert string of baseIn to an array of numbers of baseOut. * Eg. toBaseOut('255', 10, 16) returns [15, 15]. * Eg. toBaseOut('ff', 16, 10) returns [2, 5, 5]. */ function toBaseOut(str, baseIn, baseOut, alphabet) { var j, arr = [0], arrL, i = 0, len = str.length; for (; i < len;) { for (arrL = arr.length; arrL--; arr[arrL] *= baseIn); arr[0] += alphabet.indexOf(str.charAt(i++)); for (j = 0; j < arr.length; j++) { if (arr[j] > baseOut - 1) { if (arr[j + 1] == null) arr[j + 1] = 0; arr[j + 1] += arr[j] / baseOut | 0; arr[j] %= baseOut; } } } return arr.reverse(); } // Convert a numeric string of baseIn to a numeric string of baseOut. // If the caller is toString, we are converting from base 10 to baseOut. // If the caller is BigNumber, we are converting from baseIn to base 10. return function (str, baseIn, baseOut, sign, callerIsToString) { var alphabet, d, e, k, r, x, xc, y, i = str.indexOf('.'), dp = DECIMAL_PLACES, rm = ROUNDING_MODE; // Non-integer. if (i >= 0) { k = POW_PRECISION; // Unlimited precision. POW_PRECISION = 0; str = str.replace('.', ''); y = new BigNumber(baseIn); x = y.pow(str.length - i); POW_PRECISION = k; // Convert str as if an integer, then restore the fraction part by dividing the // result by its base raised to a power. y.c = toBaseOut(toFixedPoint(coeffToString(x.c), x.e, '0'), 10, baseOut, decimal); y.e = y.c.length; } // Convert the number as integer. xc = toBaseOut(str, baseIn, baseOut, callerIsToString ? (alphabet = ALPHABET, decimal) : (alphabet = decimal, ALPHABET)); // xc now represents str as an integer and converted to baseOut. e is the exponent. e = k = xc.length; // Remove trailing zeros. for (; xc[--k] == 0; xc.pop()); // Zero? if (!xc[0]) return alphabet.charAt(0); // Does str represent an integer? If so, no need for the division. if (i < 0) { --e; } else { x.c = xc; x.e = e; // The sign is needed for correct rounding. x.s = sign; x = div(x, y, dp, rm, baseOut); xc = x.c; r = x.r; e = x.e; } // xc now represents str converted to baseOut. // THe index of the rounding digit. d = e + dp + 1; // The rounding digit: the digit to the right of the digit that may be rounded up. i = xc[d]; // Look at the rounding digits and mode to determine whether to round up. k = baseOut / 2; r = r || d < 0 || xc[d + 1] != null; r = rm < 4 ? (i != null || r) && (rm == 0 || rm == (x.s < 0 ? 3 : 2)) : i > k || i == k &&(rm == 4 || r || rm == 6 && xc[d - 1] & 1 || rm == (x.s < 0 ? 8 : 7)); // If the index of the rounding digit is not greater than zero, or xc represents // zero, then the result of the base conversion is zero or, if rounding up, a value // such as 0.00001. if (d < 1 || !xc[0]) { // 1^-dp or 0 str = r ? toFixedPoint(alphabet.charAt(1), -dp, alphabet.charAt(0)) : alphabet.charAt(0); } else { // Truncate xc to the required number of decimal places. xc.length = d; // Round up? if (r) { // Rounding up may mean the previous digit has to be rounded up and so on. for (--baseOut; ++xc[--d] > baseOut;) { xc[d] = 0; if (!d) { ++e; xc = [1].concat(xc); } } } // Determine trailing zeros. for (k = xc.length; !xc[--k];); // E.g. [4, 11, 15] becomes 4bf. for (i = 0, str = ''; i <= k; str += alphabet.charAt(xc[i++])); // Add leading zeros, decimal point and trailing zeros as required. str = toFixedPoint(str, e, alphabet.charAt(0)); } // The caller will add the sign. return str; }; })(); // Perform division in the specified base. Called by div and convertBase. div = (function () { // Assume non-zero x and k. function multiply(x, k, base) { var m, temp, xlo, xhi, carry = 0, i = x.length, klo = k % SQRT_BASE, khi = k / SQRT_BASE | 0; for (x = x.slice(); i--;) { xlo = x[i] % SQRT_BASE; xhi = x[i] / SQRT_BASE | 0; m = khi * xlo + xhi * klo; temp = klo * xlo + ((m % SQRT_BASE) * SQRT_BASE) + carry; carry = (temp / base | 0) + (m / SQRT_BASE | 0) + khi * xhi; x[i] = temp % base; } if (carry) x = [carry].concat(x); return x; } function compare(a, b, aL, bL) { var i, cmp; if (aL != bL) { cmp = aL > bL ? 1 : -1; } else { for (i = cmp = 0; i < aL; i++) { if (a[i] != b[i]) { cmp = a[i] > b[i] ? 1 : -1; break; } } } return cmp; } function subtract(a, b, aL, base) { var i = 0; // Subtract b from a. for (; aL--;) { a[aL] -= i; i = a[aL] < b[aL] ? 1 : 0; a[aL] = i * base + a[aL] - b[aL]; } // Remove leading zeros. for (; !a[0] && a.length > 1; a.splice(0, 1)); } // x: dividend, y: divisor. return function (x, y, dp, rm, base) { var cmp, e, i, more, n, prod, prodL, q, qc, rem, remL, rem0, xi, xL, yc0, yL, yz, s = x.s == y.s ? 1 : -1, xc = x.c, yc = y.c; // Either NaN, Infinity or 0? if (!xc || !xc[0] || !yc || !yc[0]) { return new BigNumber( // Return NaN if either NaN, or both Infinity or 0. !x.s || !y.s || (xc ? yc && xc[0] == yc[0] : !yc) ? NaN : // Return ±0 if x is ±0 or y is ±Infinity, or return ±Infinity as y is ±0. xc && xc[0] == 0 || !yc ? s * 0 : s / 0 ); } q = new BigNumber(s); qc = q.c = []; e = x.e - y.e; s = dp + e + 1; if (!base) { base = BASE; e = bitFloor(x.e / LOG_BASE) - bitFloor(y.e / LOG_BASE); s = s / LOG_BASE | 0; } // Result exponent may be one less then the current value of e. // The coefficients of the BigNumbers from convertBase may have trailing zeros. for (i = 0; yc[i] == (xc[i] || 0); i++); if (yc[i] > (xc[i] || 0)) e--; if (s < 0) { qc.push(1); more = true; } else { xL = xc.length; yL = yc.length; i = 0; s += 2; // Normalise xc and yc so highest order digit of yc is >= base / 2. n = mathfloor(base / (yc[0] + 1)); // Not necessary, but to handle odd bases where yc[0] == (base / 2) - 1. // if (n > 1 || n++ == 1 && yc[0] < base / 2) { if (n > 1) { yc = multiply(yc, n, base); xc = multiply(xc, n, base); yL = yc.length; xL = xc.length; } xi = yL; rem = xc.slice(0, yL); remL = rem.length; // Add zeros to make remainder as long as divisor. for (; remL < yL; rem[remL++] = 0); yz = yc.slice(); yz = [0].concat(yz); yc0 = yc[0]; if (yc[1] >= base / 2) yc0++; // Not necessary, but to prevent trial digit n > base, when using base 3. // else if (base == 3 && yc0 == 1) yc0 = 1 + 1e-15; do { n = 0; // Compare divisor and remainder. cmp = compare(yc, rem, yL, remL); // If divisor < remainder. if (cmp < 0) { // Calculate trial digit, n. rem0 = rem[0]; if (yL != remL) rem0 = rem0 * base + (rem[1] || 0); // n is how many times the divisor goes into the current remainder. n = mathfloor(rem0 / yc0); // Algorithm: // product = divisor multiplied by trial digit (n). // Compare product and remainder. // If product is greater than remainder: // Subtract divisor from product, decrement trial digit. // Subtract product from remainder. // If product was less than remainder at the last compare: // Compare new remainder and divisor. // If remainder is greater than divisor: // Subtract divisor from remainder, increment trial digit. if (n > 1) { // n may be > base only when base is 3. if (n >= base) n = base - 1; // product = divisor * trial digit. prod = multiply(yc, n, base); prodL = prod.length; remL = rem.length; // Compare product and remainder. // If product > remainder then trial digit n too high. // n is 1 too high about 5% of the time, and is not known to have // ever been more than 1 too high. while (compare(prod, rem, prodL, remL) == 1) { n--; // Subtract divisor from product. subtract(prod, yL < prodL ? yz : yc, prodL, base); prodL = prod.length; cmp = 1; } } else { // n is 0 or 1, cmp is -1. // If n is 0, there is no need to compare yc and rem again below, // so change cmp to 1 to avoid it. // If n is 1, leave cmp as -1, so yc and rem are compared again. if (n == 0) { // divisor < remainder, so n must be at least 1. cmp = n = 1; } // product = divisor prod = yc.slice(); prodL = prod.length; } if (prodL < remL) prod = [0].concat(prod); // Subtract product from remainder. subtract(rem, prod, remL, base); remL = rem.length; // If product was < remainder. if (cmp == -1) { // Compare divisor and new remainder. // If divisor < new remainder, subtract divisor from remainder. // Trial digit n too low. // n is 1 too low about 5% of the time, and very rarely 2 too low. while (compare(yc, rem, yL, remL) < 1) { n++; // Subtract divisor from remainder. subtract(rem, yL < remL ? yz : yc, remL, base); remL = rem.length; } } } else if (cmp === 0) { n++; rem = [0]; } // else cmp === 1 and n will be 0 // Add the next digit, n, to the result array. qc[i++] = n; // Update the remainder. if (rem[0]) { rem[remL++] = xc[xi] || 0; } else { rem = [xc[xi]]; remL = 1; } } while ((xi++ < xL || rem[0] != null) && s--); more = rem[0] != null; // Leading zero? if (!qc[0]) qc.splice(0, 1); } if (base == BASE) { // To calculate q.e, first get the number of digits of qc[0]. for (i = 1, s = qc[0]; s >= 10; s /= 10, i++); round(q, dp + (q.e = i + e * LOG_BASE - 1) + 1, rm, more); // Caller is convertBase. } else { q.e = e; q.r = +more; } return q; }; })(); /* * Return a string representing the value of BigNumber n in fixed-point or exponential * notation rounded to the specified decimal places or significant digits. * * n: a BigNumber. * i: the index of the last digit required (i.e. the digit that may be rounded up). * rm: the rounding mode. * id: 1 (toExponential) or 2 (toPrecision). */ function format(n, i, rm, id) { var c0, e, ne, len, str; if (rm == null) rm = ROUNDING_MODE; else intCheck(rm, 0, 8); if (!n.c) return n.toString(); c0 = n.c[0]; ne = n.e; if (i == null) { str = coeffToString(n.c); str = id == 1 || id == 2 && (ne <= TO_EXP_NEG || ne >= TO_EXP_POS) ? toExponential(str, ne) : toFixedPoint(str, ne, '0'); } else { n = round(new BigNumber(n), i, rm); // n.e may have changed if the value was rounded up. e = n.e; str = coeffToString(n.c); len = str.length; // toPrecision returns exponential notation if the number of significant digits // specified is less than the number of digits necessary to represent the integer // part of the value in fixed-point notation. // Exponential notation. if (id == 1 || id == 2 && (i <= e || e <= TO_EXP_NEG)) { // Append zeros? for (; len < i; str += '0', len++); str = toExponential(str, e); // Fixed-point notation. } else { i -= ne; str = toFixedPoint(str, e, '0'); // Append zeros? if (e + 1 > len) { if (--i > 0) for (str += '.'; i--; str += '0'); } else { i += e - len; if (i > 0) { if (e + 1 == len) str += '.'; for (; i--; str += '0'); } } } } return n.s < 0 && c0 ? '-' + str : str; } // Handle BigNumber.max and BigNumber.min. function maxOrMin(args, method) { var n, i = 1, m = new BigNumber(args[0]); for (; i < args.length; i++) { n = new BigNumber(args[i]); // If any number is NaN, return NaN. if (!n.s) { m = n; break; } else if (method.call(m, n)) { m = n; } } return m; } /* * Strip trailing zeros, calculate base 10 exponent and check against MIN_EXP and MAX_EXP. * Called by minus, plus and times. */ function normalise(n, c, e) { var i = 1, j = c.length; // Remove trailing zeros. for (; !c[--j]; c.pop()); // Calculate the base 10 exponent. First get the number of digits of c[0]. for (j = c[0]; j >= 10; j /= 10, i++); // Overflow? if ((e = i + e * LOG_BASE - 1) > MAX_EXP) { // Infinity. n.c = n.e = null; // Underflow? } else if (e < MIN_EXP) { // Zero. n.c = [n.e = 0]; } else { n.e = e; n.c = c; } return n; } // Handle values that fail the validity test in BigNumber. parseNumeric = (function () { var basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i, dotAfter = /^([^.]+)\.$/, dotBefore = /^\.([^.]+)$/, isInfinityOrNaN = /^-?(Infinity|NaN)$/, whitespaceOrPlus = /^\s*\+(?=[\w.])|^\s+|\s+$/g; return function (x, str, isNum, b) { var base, s = isNum ? str : str.replace(whitespaceOrPlus, ''); // No exception on ±Infinity or NaN. if (isInfinityOrNaN.test(s)) { x.s = isNaN(s) ? null : s < 0 ? -1 : 1; } else { if (!isNum) { // basePrefix = /^(-?)0([xbo])(?=\w[\w.]*$)/i s = s.replace(basePrefix, function (m, p1, p2) { base = (p2 = p2.toLowerCase()) == 'x' ? 16 : p2 == 'b' ? 2 : 8; return !b || b == base ? p1 : m; }); if (b) { base = b; // E.g. '1.' to '1', '.1' to '0.1' s = s.replace(dotAfter, '$1').replace(dotBefore, '0.$1'); } if (str != s) return new BigNumber(s, base); } // '[BigNumber Error] Not a number: {n}' // '[BigNumber Error] Not a base {b} number: {n}' if (BigNumber.DEBUG) { throw Error (bignumberError + 'Not a' + (b ? ' base ' + b : '') + ' number: ' + str); } // NaN x.s = null; } x.c = x.e = null; } })(); /* * Round x to sd significant digits using rounding mode rm. Check for over/under-flow. * If r is truthy, it is known that there are more digits after the rounding digit. */ function round(x, sd, rm, r) { var d, i, j, k, n, ni, rd, xc = x.c, pows10 = POWS_TEN; // if x is not Infinity or NaN... if (xc) { // rd is the rounding digit, i.e. the digit after the digit that may be rounded up. // n is a base 1e14 number, the value of the element of array x.c containing rd. // ni is the index of n within x.c. // d is the number of digits of n. // i is the index of rd within n including leading zeros. // j is the actual index of rd within n (if < 0, rd is a leading zero). out: { // Get the number of digits of the first element of xc. for (d = 1, k = xc[0]; k >= 10; k /= 10, d++); i = sd - d; // If the rounding digit is in the first element of xc... if (i < 0) { i += LOG_BASE; j = sd; n = xc[ni = 0]; // Get the rounding digit at index j of n. rd = n / pows10[d - j - 1] % 10 | 0; } else { ni = mathceil((i + 1) / LOG_BASE); if (ni >= xc.length) { if (r) { // Needed by sqrt. for (; xc.length <= ni; xc.push(0)); n = rd = 0; d = 1; i %= LOG_BASE; j = i - LOG_BASE + 1; } else { break out; } } else { n = k = xc[ni]; // Get the number of digits of n. for (d = 1; k >= 10; k /= 10, d++); // Get the index of rd within n. i %= LOG_BASE; // Get the index of rd within n, adjusted for leading zeros. // The number of leading zeros of n is given by LOG_BASE - d. j = i - LOG_BASE + d; // Get the rounding digit at index j of n. rd = j < 0 ? 0 : n / pows10[d - j - 1] % 10 | 0; } } r = r || sd < 0 || // Are there any non-zero digits after the rounding digit? // The expression n % pows10[d - j - 1] returns all digits of n to the right // of the digit at j, e.g. if n is 908714 and j is 2, the expression gives 714. xc[ni + 1] != null || (j < 0 ? n : n % pows10[d - j - 1]); r = rm < 4 ? (rd || r) && (rm == 0 || rm == (x.s < 0 ? 3 : 2)) : rd > 5 || rd == 5 && (rm == 4 || r || rm == 6 && // Check whether the digit to the left of the rounding digit is odd. ((i > 0 ? j > 0 ? n / pows10[d - j] : 0 : xc[ni - 1]) % 10) & 1 || rm == (x.s < 0 ? 8 : 7)); if (sd < 1 || !xc[0]) { xc.length = 0; if (r) { // Convert sd to decimal places. sd -= x.e + 1; // 1, 0.1, 0.01, 0.001, 0.0001 etc. xc[0] = pows10[(LOG_BASE - sd % LOG_BASE) % LOG_BASE]; x.e = -sd || 0; } else { // Zero. xc[0] = x.e = 0; } return x; } // Remove excess digits. if (i == 0) { xc.length = ni; k = 1; ni--; } else { xc.length = ni + 1; k = pows10[LOG_BASE - i]; // E.g. 56700 becomes 56000 if 7 is the rounding digit. // j > 0 means i > number of leading zeros of n. xc[ni] = j > 0 ? mathfloor(n / pows10[d - j] % pows10[j]) * k : 0; } // Round up? if (r) { for (; ;) { // If the digit to be rounded up is in the first element of xc... if (ni == 0) { // i will be the length of xc[0] before k is added. for (i = 1, j = xc[0]; j >= 10; j /= 10, i++); j = xc[0] += k; for (k = 1; j >= 10; j /= 10, k++); // if i != k the length has increased. if (i != k) { x.e++; if (xc[0] == BASE) xc[0] = 1; } break; } else { xc[ni] += k; if (xc[ni] != BASE) break; xc[ni--] = 0; k = 1; } } } // Remove trailing zeros. for (i = xc.length; xc[--i] === 0; xc.pop()); } // Overflow? Infinity. if (x.e > MAX_EXP) { x.c = x.e = null; // Underflow? Zero. } else if (x.e < MIN_EXP) { x.c = [x.e = 0]; } } return x; } function valueOf(n) { var str, e = n.e; if (e === null) return n.toString(); str = coeffToString(n.c); str = e <= TO_EXP_NEG || e >= TO_EXP_POS ? toExponential(str, e) : toFixedPoint(str, e, '0'); return n.s < 0 ? '-' + str : str; } // PROTOTYPE/INSTANCE METHODS /* * Return a new BigNumber whose value is the absolute value of this BigNumber. */ P.absoluteValue = P.abs = function () { var x = new BigNumber(this); if (x.s < 0) x.s = 1; return x; }; /* * Return * 1 if the value of this BigNumber is greater than the value of BigNumber(y, b), * -1 if the value of this BigNumber is less than the value of BigNumber(y, b), * 0 if they have the same value, * or null if the value of either is NaN. */ P.comparedTo = function (y, b) { return compare(this, new BigNumber(y, b)); }; /* * If dp is undefined or null or true or false, return the number of decimal places of the * value of this BigNumber, or null if the value of this BigNumber is ±Infinity or NaN. * * Otherwise, if dp is a number, return a new BigNumber whose value is the value of this * BigNumber rounded to a maximum of dp decimal places using rounding mode rm, or * ROUNDING_MODE if rm is omitted. * * [dp] {number} Decimal places: integer, 0 to MAX inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}' */ P.decimalPlaces = P.dp = function (dp, rm) { var c, n, v, x = this; if (dp != null) { intCheck(dp, 0, MAX); if (rm == null) rm = ROUNDING_MODE; else intCheck(rm, 0, 8); return round(new BigNumber(x), dp + x.e + 1, rm); } if (!(c = x.c)) return null; n = ((v = c.length - 1) - bitFloor(this.e / LOG_BASE)) * LOG_BASE; // Subtract the number of trailing zeros of the last number. if (v = c[v]) for (; v % 10 == 0; v /= 10, n--); if (n < 0) n = 0; return n; }; /* * n / 0 = I * n / N = N * n / I = 0 * 0 / n = 0 * 0 / 0 = N * 0 / N = N * 0 / I = 0 * N / n = N * N / 0 = N * N / N = N * N / I = N * I / n = I * I / 0 = I * I / N = N * I / I = N * * Return a new BigNumber whose value is the value of this BigNumber divided by the value of * BigNumber(y, b), rounded according to DECIMAL_PLACES and ROUNDING_MODE. */ P.dividedBy = P.div = function (y, b) { return div(this, new BigNumber(y, b), DECIMAL_PLACES, ROUNDING_MODE); }; /* * Return a new BigNumber whose value is the integer part of dividing the value of this * BigNumber by the value of BigNumber(y, b). */ P.dividedToIntegerBy = P.idiv = function (y, b) { return div(this, new BigNumber(y, b), 0, 1); }; /* * Return a BigNumber whose value is the value of this BigNumber exponentiated by n. * * If m is present, return the result modulo m. * If n is negative round according to DECIMAL_PLACES and ROUNDING_MODE. * If POW_PRECISION is non-zero and m is not present, round to POW_PRECISION using ROUNDING_MODE. * * The modular power operation works efficiently when x, n, and m are integers, otherwise it * is equivalent to calculating x.exponentiatedBy(n).modulo(m) with a POW_PRECISION of 0. * * n {number|string|BigNumber} The exponent. An integer. * [m] {number|string|BigNumber} The modulus. * * '[BigNumber Error] Exponent not an integer: {n}' */ P.exponentiatedBy = P.pow = function (n, m) { var half, isModExp, i, k, more, nIsBig, nIsNeg, nIsOdd, y, x = this; n = new BigNumber(n); // Allow NaN and ±Infinity, but not other non-integers. if (n.c && !n.isInteger()) { throw Error (bignumberError + 'Exponent not an integer: ' + valueOf(n)); } if (m != null) m = new BigNumber(m); // Exponent of MAX_SAFE_INTEGER is 15. nIsBig = n.e > 14; // If x is NaN, ±Infinity, ±0 or ±1, or n is ±Infinity, NaN or ±0. if (!x.c || !x.c[0] || x.c[0] == 1 && !x.e && x.c.length == 1 || !n.c || !n.c[0]) { // The sign of the result of pow when x is negative depends on the evenness of n. // If +n overflows to ±Infinity, the evenness of n would be not be known. y = new BigNumber(Math.pow(+valueOf(x), nIsBig ? n.s * (2 - isOdd(n)) : +valueOf(n))); return m ? y.mod(m) : y; } nIsNeg = n.s < 0; if (m) { // x % m returns NaN if abs(m) is zero, or m is NaN. if (m.c ? !m.c[0] : !m.s) return new BigNumber(NaN); isModExp = !nIsNeg && x.isInteger() && m.isInteger(); if (isModExp) x = x.mod(m); // Overflow to ±Infinity: >=2**1e10 or >=1.0000024**1e15. // Underflow to ±0: <=0.79**1e10 or <=0.9999975**1e15. } else if (n.e > 9 && (x.e > 0 || x.e < -1 || (x.e == 0 // [1, 240000000] ? x.c[0] > 1 || nIsBig && x.c[1] >= 24e7 // [80000000000000] [99999750000000] : x.c[0] < 8e13 || nIsBig && x.c[0] <= 9999975e7))) { // If x is negative and n is odd, k = -0, else k = 0. k = x.s < 0 && isOdd(n) ? -0 : 0; // If x >= 1, k = ±Infinity. if (x.e > -1) k = 1 / k; // If n is negative return ±0, else return ±Infinity. return new BigNumber(nIsNeg ? 1 / k : k); } else if (POW_PRECISION) { // Truncating each coefficient array to a length of k after each multiplication // equates to truncating significant digits to POW_PRECISION + [28, 41], // i.e. there will be a minimum of 28 guard digits retained. k = mathceil(POW_PRECISION / LOG_BASE + 2); } if (nIsBig) { half = new BigNumber(0.5); if (nIsNeg) n.s = 1; nIsOdd = isOdd(n); } else { i = Math.abs(+valueOf(n)); nIsOdd = i % 2; } y = new BigNumber(ONE); // Performs 54 loop iterations for n of 9007199254740991. for (; ;) { if (nIsOdd) { y = y.times(x); if (!y.c) break; if (k) { if (y.c.length > k) y.c.length = k; } else if (isModExp) { y = y.mod(m); //y = y.minus(div(y, m, 0, MODULO_MODE).times(m)); } } if (i) { i = mathfloor(i / 2); if (i === 0) break; nIsOdd = i % 2; } else { n = n.times(half); round(n, n.e + 1, 1); if (n.e > 14) { nIsOdd = isOdd(n); } else { i = +valueOf(n); if (i === 0) break; nIsOdd = i % 2; } } x = x.times(x); if (k) { if (x.c && x.c.length > k) x.c.length = k; } else if (isModExp) { x = x.mod(m); //x = x.minus(div(x, m, 0, MODULO_MODE).times(m)); } } if (isModExp) return y; if (nIsNeg) y = ONE.div(y); return m ? y.mod(m) : k ? round(y, POW_PRECISION, ROUNDING_MODE, more) : y; }; /* * Return a new BigNumber whose value is the value of this BigNumber rounded to an integer * using rounding mode rm, or ROUNDING_MODE if rm is omitted. * * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {rm}' */ P.integerValue = function (rm) { var n = new BigNumber(this); if (rm == null) rm = ROUNDING_MODE; else intCheck(rm, 0, 8); return round(n, n.e + 1, rm); }; /* * Return true if the value of this BigNumber is equal to the value of BigNumber(y, b), * otherwise return false. */ P.isEqualTo = P.eq = function (y, b) { return compare(this, new BigNumber(y, b)) === 0; }; /* * Return true if the value of this BigNumber is a finite number, otherwise return false. */ P.isFinite = function () { return !!this.c; }; /* * Return true if the value of this BigNumber is greater than the value of BigNumber(y, b), * otherwise return false. */ P.isGreaterThan = P.gt = function (y, b) { return compare(this, new BigNumber(y, b)) > 0; }; /* * Return true if the value of this BigNumber is greater than or equal to the value of * BigNumber(y, b), otherwise return false. */ P.isGreaterThanOrEqualTo = P.gte = function (y, b) { return (b = compare(this, new BigNumber(y, b))) === 1 || b === 0; }; /* * Return true if the value of this BigNumber is an integer, otherwise return false. */ P.isInteger = function () { return !!this.c && bitFloor(this.e / LOG_BASE) > this.c.length - 2; }; /* * Return true if the value of this BigNumber is less than the value of BigNumber(y, b), * otherwise return false. */ P.isLessThan = P.lt = function (y, b) { return compare(this, new BigNumber(y, b)) < 0; }; /* * Return true if the value of this BigNumber is less than or equal to the value of * BigNumber(y, b), otherwise return false. */ P.isLessThanOrEqualTo = P.lte = function (y, b) { return (b = compare(this, new BigNumber(y, b))) === -1 || b === 0; }; /* * Return true if the value of this BigNumber is NaN, otherwise return false. */ P.isNaN = function () { return !this.s; }; /* * Return true if the value of this BigNumber is negative, otherwise return false. */ P.isNegative = function () { return this.s < 0; }; /* * Return true if the value of this BigNumber is positive, otherwise return false. */ P.isPositive = function () { return this.s > 0; }; /* * Return true if the value of this BigNumber is 0 or -0, otherwise return false. */ P.isZero = function () { return !!this.c && this.c[0] == 0; }; /* * n - 0 = n * n - N = N * n - I = -I * 0 - n = -n * 0 - 0 = 0 * 0 - N = N * 0 - I = -I * N - n = N * N - 0 = N * N - N = N * N - I = N * I - n = I * I - 0 = I * I - N = N * I - I = N * * Return a new BigNumber whose value is the value of this BigNumber minus the value of * BigNumber(y, b). */ P.minus = function (y, b) { var i, j, t, xLTy, x = this, a = x.s; y = new BigNumber(y, b); b = y.s; // Either NaN? if (!a || !b) return new BigNumber(NaN); // Signs differ? if (a != b) { y.s = -b; return x.plus(y); } var xe = x.e / LOG_BASE, ye = y.e / LOG_BASE, xc = x.c, yc = y.c; if (!xe || !ye) { // Either Infinity? if (!xc || !yc) return xc ? (y.s = -b, y) : new BigNumber(yc ? x : NaN); // Either zero? if (!xc[0] || !yc[0]) { // Return y if y is non-zero, x if x is non-zero, or zero if both are zero. return yc[0] ? (y.s = -b, y) : new BigNumber(xc[0] ? x : // IEEE 754 (2008) 6.3: n - n = -0 when rounding to -Infinity ROUNDING_MODE == 3 ? -0 : 0); } } xe = bitFloor(xe); ye = bitFloor(ye); xc = xc.slice(); // Determine which is the bigger number. if (a = xe - ye) { if (xLTy = a < 0) { a = -a; t = xc; } else { ye = xe; t = yc; } t.reverse(); // Prepend zeros to equalise exponents. for (b = a; b--; t.push(0)); t.reverse(); } else { // Exponents equal. Check digit by digit. j = (xLTy = (a = xc.length) < (b = yc.length)) ? a : b; for (a = b = 0; b < j; b++) { if (xc[b] != yc[b]) { xLTy = xc[b] < yc[b]; break; } } } // x < y? Point xc to the array of the bigger number. if (xLTy) { t = xc; xc = yc; yc = t; y.s = -y.s; } b = (j = yc.length) - (i = xc.length); // Append zeros to xc if shorter. // No need to add zeros to yc if shorter as subtract only needs to start at yc.length. if (b > 0) for (; b--; xc[i++] = 0); b = BASE - 1; // Subtract yc from xc. for (; j > a;) { if (xc[--j] < yc[j]) { for (i = j; i && !xc[--i]; xc[i] = b); --xc[i]; xc[j] += BASE; } xc[j] -= yc[j]; } // Remove leading zeros and adjust exponent accordingly. for (; xc[0] == 0; xc.splice(0, 1), --ye); // Zero? if (!xc[0]) { // Following IEEE 754 (2008) 6.3, // n - n = +0 but n - n = -0 when rounding towards -Infinity. y.s = ROUNDING_MODE == 3 ? -1 : 1; y.c = [y.e = 0]; return y; } // No need to check for Infinity as +x - +y != Infinity && -x - -y != Infinity // for finite x and y. return normalise(y, xc, ye); }; /* * n % 0 = N * n % N = N * n % I = n * 0 % n = 0 * -0 % n = -0 * 0 % 0 = N * 0 % N = N * 0 % I = 0 * N % n = N * N % 0 = N * N % N = N * N % I = N * I % n = N * I % 0 = N * I % N = N * I % I = N * * Return a new BigNumber whose value is the value of this BigNumber modulo the value of * BigNumber(y, b). The result depends on the value of MODULO_MODE. */ P.modulo = P.mod = function (y, b) { var q, s, x = this; y = new BigNumber(y, b); // Return NaN if x is Infinity or NaN, or y is NaN or zero. if (!x.c || !y.s || y.c && !y.c[0]) { return new BigNumber(NaN); // Return x if y is Infinity or x is zero. } else if (!y.c || x.c && !x.c[0]) { return new BigNumber(x); } if (MODULO_MODE == 9) { // Euclidian division: q = sign(y) * floor(x / abs(y)) // r = x - qy where 0 <= r < abs(y) s = y.s; y.s = 1; q = div(x, y, 0, 3); y.s = s; q.s *= s; } else { q = div(x, y, 0, MODULO_MODE); } y = x.minus(q.times(y)); // To match JavaScript %, ensure sign of zero is sign of dividend. if (!y.c[0] && MODULO_MODE == 1) y.s = x.s; return y; }; /* * n * 0 = 0 * n * N = N * n * I = I * 0 * n = 0 * 0 * 0 = 0 * 0 * N = N * 0 * I = N * N * n = N * N * 0 = N * N * N = N * N * I = N * I * n = I * I * 0 = N * I * N = N * I * I = I * * Return a new BigNumber whose value is the value of this BigNumber multiplied by the value * of BigNumber(y, b). */ P.multipliedBy = P.times = function (y, b) { var c, e, i, j, k, m, xcL, xlo, xhi, ycL, ylo, yhi, zc, base, sqrtBase, x = this, xc = x.c, yc = (y = new BigNumber(y, b)).c; // Either NaN, ±Infinity or ±0? if (!xc || !yc || !xc[0] || !yc[0]) { // Return NaN if either is NaN, or one is 0 and the other is Infinity. if (!x.s || !y.s || xc && !xc[0] && !yc || yc && !yc[0] && !xc) { y.c = y.e = y.s = null; } else { y.s *= x.s; // Return ±Infinity if either is ±Infinity. if (!xc || !yc) { y.c = y.e = null; // Return ±0 if either is ±0. } else { y.c = [0]; y.e = 0; } } return y; } e = bitFloor(x.e / LOG_BASE) + bitFloor(y.e / LOG_BASE); y.s *= x.s; xcL = xc.length; ycL = yc.length; // Ensure xc points to longer array and xcL to its length. if (xcL < ycL) { zc = xc; xc = yc; yc = zc; i = xcL; xcL = ycL; ycL = i; } // Initialise the result array with zeros. for (i = xcL + ycL, zc = []; i--; zc.push(0)); base = BASE; sqrtBase = SQRT_BASE; for (i = ycL; --i >= 0;) { c = 0; ylo = yc[i] % sqrtBase; yhi = yc[i] / sqrtBase | 0; for (k = xcL, j = i + k; j > i;) { xlo = xc[--k] % sqrtBase; xhi = xc[k] / sqrtBase | 0; m = yhi * xlo + xhi * ylo; xlo = ylo * xlo + ((m % sqrtBase) * sqrtBase) + zc[j] + c; c = (xlo / base | 0) + (m / sqrtBase | 0) + yhi * xhi; zc[j--] = xlo % base; } zc[j] = c; } if (c) { ++e; } else { zc.splice(0, 1); } return normalise(y, zc, e); }; /* * Return a new BigNumber whose value is the value of this BigNumber negated, * i.e. multiplied by -1. */ P.negated = function () { var x = new BigNumber(this); x.s = -x.s || null; return x; }; /* * n + 0 = n * n + N = N * n + I = I * 0 + n = n * 0 + 0 = 0 * 0 + N = N * 0 + I = I * N + n = N * N + 0 = N * N + N = N * N + I = N * I + n = I * I + 0 = I * I + N = N * I + I = I * * Return a new BigNumber whose value is the value of this BigNumber plus the value of * BigNumber(y, b). */ P.plus = function (y, b) { var t, x = this, a = x.s; y = new BigNumber(y, b); b = y.s; // Either NaN? if (!a || !b) return new BigNumber(NaN); // Signs differ? if (a != b) { y.s = -b; return x.minus(y); } var xe = x.e / LOG_BASE, ye = y.e / LOG_BASE, xc = x.c, yc = y.c; if (!xe || !ye) { // Return ±Infinity if either ±Infinity. if (!xc || !yc) return new BigNumber(a / 0); // Either zero? // Return y if y is non-zero, x if x is non-zero, or zero if both are zero. if (!xc[0] || !yc[0]) return yc[0] ? y : new BigNumber(xc[0] ? x : a * 0); } xe = bitFloor(xe); ye = bitFloor(ye); xc = xc.slice(); // Prepend zeros to equalise exponents. Faster to use reverse then do unshifts. if (a = xe - ye) { if (a > 0) { ye = xe; t = yc; } else { a = -a; t = xc; } t.reverse(); for (; a--; t.push(0)); t.reverse(); } a = xc.length; b = yc.length; // Point xc to the longer array, and b to the shorter length. if (a - b < 0) { t = yc; yc = xc; xc = t; b = a; } // Only start adding at yc.length - 1 as the further digits of xc can be ignored. for (a = 0; b;) { a = (xc[--b] = xc[b] + yc[b] + a) / BASE | 0; xc[b] = BASE === xc[b] ? 0 : xc[b] % BASE; } if (a) { xc = [a].concat(xc); ++ye; } // No need to check for zero, as +x + +y != 0 && -x + -y != 0 // ye = MAX_EXP + 1 possible return normalise(y, xc, ye); }; /* * If sd is undefined or null or true or false, return the number of significant digits of * the value of this BigNumber, or null if the value of this BigNumber is ±Infinity or NaN. * If sd is true include integer-part trailing zeros in the count. * * Otherwise, if sd is a number, return a new BigNumber whose value is the value of this * BigNumber rounded to a maximum of sd significant digits using rounding mode rm, or * ROUNDING_MODE if rm is omitted. * * sd {number|boolean} number: significant digits: integer, 1 to MAX inclusive. * boolean: whether to count integer-part trailing zeros: true or false. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {sd|rm}' */ P.precision = P.sd = function (sd, rm) { var c, n, v, x = this; if (sd != null && sd !== !!sd) { intCheck(sd, 1, MAX); if (rm == null) rm = ROUNDING_MODE; else intCheck(rm, 0, 8); return round(new BigNumber(x), sd, rm); } if (!(c = x.c)) return null; v = c.length - 1; n = v * LOG_BASE + 1; if (v = c[v]) { // Subtract the number of trailing zeros of the last element. for (; v % 10 == 0; v /= 10, n--); // Add the number of digits of the first element. for (v = c[0]; v >= 10; v /= 10, n++); } if (sd && x.e + 1 > n) n = x.e + 1; return n; }; /* * Return a new BigNumber whose value is the value of this BigNumber shifted by k places * (powers of 10). Shift to the right if n > 0, and to the left if n < 0. * * k {number} Integer, -MAX_SAFE_INTEGER to MAX_SAFE_INTEGER inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {k}' */ P.shiftedBy = function (k) { intCheck(k, -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER); return this.times('1e' + k); }; /* * sqrt(-n) = N * sqrt(N) = N * sqrt(-I) = N * sqrt(I) = I * sqrt(0) = 0 * sqrt(-0) = -0 * * Return a new BigNumber whose value is the square root of the value of this BigNumber, * rounded according to DECIMAL_PLACES and ROUNDING_MODE. */ P.squareRoot = P.sqrt = function () { var m, n, r, rep, t, x = this, c = x.c, s = x.s, e = x.e, dp = DECIMAL_PLACES + 4, half = new BigNumber('0.5'); // Negative/NaN/Infinity/zero? if (s !== 1 || !c || !c[0]) { return new BigNumber(!s || s < 0 && (!c || c[0]) ? NaN : c ? x : 1 / 0); } // Initial estimate. s = Math.sqrt(+valueOf(x)); // Math.sqrt underflow/overflow? // Pass x to Math.sqrt as integer, then adjust the exponent of the result. if (s == 0 || s == 1 / 0) { n = coeffToString(c); if ((n.length + e) % 2 == 0) n += '0'; s = Math.sqrt(+n); e = bitFloor((e + 1) / 2) - (e < 0 || e % 2); if (s == 1 / 0) { n = '5e' + e; } else { n = s.toExponential(); n = n.slice(0, n.indexOf('e') + 1) + e; } r = new BigNumber(n); } else { r = new BigNumber(s + ''); } // Check for zero. // r could be zero if MIN_EXP is changed after the this value was created. // This would cause a division by zero (x/t) and hence Infinity below, which would cause // coeffToString to throw. if (r.c[0]) { e = r.e; s = e + dp; if (s < 3) s = 0; // Newton-Raphson iteration. for (; ;) { t = r; r = half.times(t.plus(div(x, t, dp, 1))); if (coeffToString(t.c).slice(0, s) === (n = coeffToString(r.c)).slice(0, s)) { // The exponent of r may here be one less than the final result exponent, // e.g 0.0009999 (e-4) --> 0.001 (e-3), so adjust s so the rounding digits // are indexed correctly. if (r.e < e) --s; n = n.slice(s - 3, s + 1); // The 4th rounding digit may be in error by -1 so if the 4 rounding digits // are 9999 or 4999 (i.e. approaching a rounding boundary) continue the // iteration. if (n == '9999' || !rep && n == '4999') { // On the first iteration only, check to see if rounding up gives the // exact result as the nines may infinitely repeat. if (!rep) { round(t, t.e + DECIMAL_PLACES + 2, 0); if (t.times(t).eq(x)) { r = t; break; } } dp += 4; s += 4; rep = 1; } else { // If rounding digits are null, 0{0,4} or 50{0,3}, check for exact // result. If not, then there are further digits and m will be truthy. if (!+n || !+n.slice(1) && n.charAt(0) == '5') { // Truncate to the first rounding digit. round(r, r.e + DECIMAL_PLACES + 2, 1); m = !r.times(r).eq(x); } break; } } } } return round(r, r.e + DECIMAL_PLACES + 1, ROUNDING_MODE, m); }; /* * Return a string representing the value of this BigNumber in exponential notation and * rounded using ROUNDING_MODE to dp fixed decimal places. * * [dp] {number} Decimal places. Integer, 0 to MAX inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}' */ P.toExponential = function (dp, rm) { if (dp != null) { intCheck(dp, 0, MAX); dp++; } return format(this, dp, rm, 1); }; /* * Return a string representing the value of this BigNumber in fixed-point notation rounding * to dp fixed decimal places using rounding mode rm, or ROUNDING_MODE if rm is omitted. * * Note: as with JavaScript's number type, (-0).toFixed(0) is '0', * but e.g. (-0.00001).toFixed(0) is '-0'. * * [dp] {number} Decimal places. Integer, 0 to MAX inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}' */ P.toFixed = function (dp, rm) { if (dp != null) { intCheck(dp, 0, MAX); dp = dp + this.e + 1; } return format(this, dp, rm); }; /* * Return a string representing the value of this BigNumber in fixed-point notation rounded * using rm or ROUNDING_MODE to dp decimal places, and formatted according to the properties * of the format or FORMAT object (see BigNumber.set). * * The formatting object may contain some or all of the properties shown below. * * FORMAT = { * prefix: '', * groupSize: 3, * secondaryGroupSize: 0, * groupSeparator: ',', * decimalSeparator: '.', * fractionGroupSize: 0, * fractionGroupSeparator: '\xA0', // non-breaking space * suffix: '' * }; * * [dp] {number} Decimal places. Integer, 0 to MAX inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * [format] {object} Formatting options. See FORMAT pbject above. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {dp|rm}' * '[BigNumber Error] Argument not an object: {format}' */ P.toFormat = function (dp, rm, format) { var str, x = this; if (format == null) { if (dp != null && rm && typeof rm == 'object') { format = rm; rm = null; } else if (dp && typeof dp == 'object') { format = dp; dp = rm = null; } else { format = FORMAT; } } else if (typeof format != 'object') { throw Error (bignumberError + 'Argument not an object: ' + format); } str = x.toFixed(dp, rm); if (x.c) { var i, arr = str.split('.'), g1 = +format.groupSize, g2 = +format.secondaryGroupSize, groupSeparator = format.groupSeparator || '', intPart = arr[0], fractionPart = arr[1], isNeg = x.s < 0, intDigits = isNeg ? intPart.slice(1) : intPart, len = intDigits.length; if (g2) { i = g1; g1 = g2; g2 = i; len -= i; } if (g1 > 0 && len > 0) { i = len % g1 || g1; intPart = intDigits.substr(0, i); for (; i < len; i += g1) intPart += groupSeparator + intDigits.substr(i, g1); if (g2 > 0) intPart += groupSeparator + intDigits.slice(i); if (isNeg) intPart = '-' + intPart; } str = fractionPart ? intPart + (format.decimalSeparator || '') + ((g2 = +format.fractionGroupSize) ? fractionPart.replace(new RegExp('\\d{' + g2 + '}\\B', 'g'), '$&' + (format.fractionGroupSeparator || '')) : fractionPart) : intPart; } return (format.prefix || '') + str + (format.suffix || ''); }; /* * Return an array of two BigNumbers representing the value of this BigNumber as a simple * fraction with an integer numerator and an integer denominator. * The denominator will be a positive non-zero value less than or equal to the specified * maximum denominator. If a maximum denominator is not specified, the denominator will be * the lowest value necessary to represent the number exactly. * * [md] {number|string|BigNumber} Integer >= 1, or Infinity. The maximum denominator. * * '[BigNumber Error] Argument {not an integer|out of range} : {md}' */ P.toFraction = function (md) { var d, d0, d1, d2, e, exp, n, n0, n1, q, r, s, x = this, xc = x.c; if (md != null) { n = new BigNumber(md); // Throw if md is less than one or is not an integer, unless it is Infinity. if (!n.isInteger() && (n.c || n.s !== 1) || n.lt(ONE)) { throw Error (bignumberError + 'Argument ' + (n.isInteger() ? 'out of range: ' : 'not an integer: ') + valueOf(n)); } } if (!xc) return new BigNumber(x); d = new BigNumber(ONE); n1 = d0 = new BigNumber(ONE); d1 = n0 = new BigNumber(ONE); s = coeffToString(xc); // Determine initial denominator. // d is a power of 10 and the minimum max denominator that specifies the value exactly. e = d.e = s.length - x.e - 1; d.c[0] = POWS_TEN[(exp = e % LOG_BASE) < 0 ? LOG_BASE + exp : exp]; md = !md || n.comparedTo(d) > 0 ? (e > 0 ? d : n1) : n; exp = MAX_EXP; MAX_EXP = 1 / 0; n = new BigNumber(s); // n0 = d1 = 0 n0.c[0] = 0; for (; ;) { q = div(n, d, 0, 1); d2 = d0.plus(q.times(d1)); if (d2.comparedTo(md) == 1) break; d0 = d1; d1 = d2; n1 = n0.plus(q.times(d2 = n1)); n0 = d2; d = n.minus(q.times(d2 = d)); n = d2; } d2 = div(md.minus(d0), d1, 0, 1); n0 = n0.plus(d2.times(n1)); d0 = d0.plus(d2.times(d1)); n0.s = n1.s = x.s; e = e * 2; // Determine which fraction is closer to x, n0/d0 or n1/d1 r = div(n1, d1, e, ROUNDING_MODE).minus(x).abs().comparedTo( div(n0, d0, e, ROUNDING_MODE).minus(x).abs()) < 1 ? [n1, d1] : [n0, d0]; MAX_EXP = exp; return r; }; /* * Return the value of this BigNumber converted to a number primitive. */ P.toNumber = function () { return +valueOf(this); }; /* * Return a string representing the value of this BigNumber rounded to sd significant digits * using rounding mode rm or ROUNDING_MODE. If sd is less than the number of digits * necessary to represent the integer part of the value in fixed-point notation, then use * exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * '[BigNumber Error] Argument {not a primitive number|not an integer|out of range}: {sd|rm}' */ P.toPrecision = function (sd, rm) { if (sd != null) intCheck(sd, 1, MAX); return format(this, sd, rm, 2); }; /* * Return a string representing the value of this BigNumber in base b, or base 10 if b is * omitted. If a base is specified, including base 10, round according to DECIMAL_PLACES and * ROUNDING_MODE. If a base is not specified, and this BigNumber has a positive exponent * that is equal to or greater than TO_EXP_POS, or a negative exponent equal to or less than * TO_EXP_NEG, return exponential notation. * * [b] {number} Integer, 2 to ALPHABET.length inclusive. * * '[BigNumber Error] Base {not a primitive number|not an integer|out of range}: {b}' */ P.toString = function (b) { var str, n = this, s = n.s, e = n.e; // Infinity or NaN? if (e === null) { if (s) { str = 'Infinity'; if (s < 0) str = '-' + str; } else { str = 'NaN'; } } else { if (b == null) { str = e <= TO_EXP_NEG || e >= TO_EXP_POS ? toExponential(coeffToString(n.c), e) : toFixedPoint(coeffToString(n.c), e, '0'); } else if (b === 10 && alphabetHasNormalDecimalDigits) { n = round(new BigNumber(n), DECIMAL_PLACES + e + 1, ROUNDING_MODE); str = toFixedPoint(coeffToString(n.c), n.e, '0'); } else { intCheck(b, 2, ALPHABET.length, 'Base'); str = convertBase(toFixedPoint(coeffToString(n.c), e, '0'), 10, b, s, true); } if (s < 0 && n.c[0]) str = '-' + str; } return str; }; /* * Return as toString, but do not accept a base argument, and include the minus sign for * negative zero. */ P.valueOf = P.toJSON = function () { return valueOf(this); }; P._isBigNumber = true; if (configObject != null) BigNumber.set(configObject); return BigNumber; } // PRIVATE HELPER FUNCTIONS // These functions don't need access to variables, // e.g. DECIMAL_PLACES, in the scope of the `clone` function above. function bitFloor(n) { var i = n | 0; return n > 0 || n === i ? i : i - 1; } // Return a coefficient array as a string of base 10 digits. function coeffToString(a) { var s, z, i = 1, j = a.length, r = a[0] + ''; for (; i < j;) { s = a[i++] + ''; z = LOG_BASE - s.length; for (; z--; s = '0' + s); r += s; } // Determine trailing zeros. for (j = r.length; r.charCodeAt(--j) === 48;); return r.slice(0, j + 1 || 1); } // Compare the value of BigNumbers x and y. function compare(x, y) { var a, b, xc = x.c, yc = y.c, i = x.s, j = y.s, k = x.e, l = y.e; // Either NaN? if (!i || !j) return null; a = xc && !xc[0]; b = yc && !yc[0]; // Either zero? if (a || b) return a ? b ? 0 : -j : i; // Signs differ? if (i != j) return i; a = i < 0; b = k == l; // Either Infinity? if (!xc || !yc) return b ? 0 : !xc ^ a ? 1 : -1; // Compare exponents. if (!b) return k > l ^ a ? 1 : -1; j = (k = xc.length) < (l = yc.length) ? k : l; // Compare digit by digit. for (i = 0; i < j; i++) if (xc[i] != yc[i]) return xc[i] > yc[i] ^ a ? 1 : -1; // Compare lengths. return k == l ? 0 : k > l ^ a ? 1 : -1; } /* * Check that n is a primitive number, an integer, and in range, otherwise throw. */ function intCheck(n, min, max, name) { if (n < min || n > max || n !== mathfloor(n)) { throw Error (bignumberError + (name || 'Argument') + (typeof n == 'number' ? n < min || n > max ? ' out of range: ' : ' not an integer: ' : ' not a primitive number: ') + String(n)); } } // Assumes finite n. function isOdd(n) { var k = n.c.length - 1; return bitFloor(n.e / LOG_BASE) == k && n.c[k] % 2 != 0; } function toExponential(str, e) { return (str.length > 1 ? str.charAt(0) + '.' + str.slice(1) : str) + (e < 0 ? 'e' : 'e+') + e; } function toFixedPoint(str, e, z) { var len, zs; // Negative exponent? if (e < 0) { // Prepend zeros. for (zs = z + '.'; ++e; zs += z); str = zs + str; // Positive exponent } else { len = str.length; // Append zeros. if (++e > len) { for (zs = z, e -= len; --e; zs += z); str += zs; } else if (e < len) { str = str.slice(0, e) + '.' + str.slice(e); } } return str; } // EXPORT BigNumber = clone(); BigNumber['default'] = BigNumber.BigNumber = BigNumber; // AMD. if (true) { !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () { return BigNumber; }).call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); // Node.js and other environments that support module.exports. } else {} })(this); /***/ }), /***/ "../../node_modules/bip32/src/bip32.js": /*!*********************************************!*\ !*** ../../node_modules/bip32/src/bip32.js ***! \*********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; Object.defineProperty(exports, "__esModule", ({ value: true })); const crypto = __webpack_require__(/*! ./crypto */ "../../node_modules/bip32/src/crypto.js"); const bs58check = __webpack_require__(/*! bs58check */ "../../node_modules/bs58check/index.js"); const ecc = __webpack_require__(/*! tiny-secp256k1 */ "../../node_modules/tiny-secp256k1/js.js"); const typeforce = __webpack_require__(/*! typeforce */ "../../node_modules/typeforce/index.js"); const wif = __webpack_require__(/*! wif */ "../../node_modules/wif/index.js"); const UINT256_TYPE = typeforce.BufferN(32); const NETWORK_TYPE = typeforce.compile({ wif: typeforce.UInt8, bip32: { public: typeforce.UInt32, private: typeforce.UInt32, }, }); const BITCOIN = { messagePrefix: '\x18Bitcoin Signed Message:\n', bech32: 'bc', bip32: { public: 0x0488b21e, private: 0x0488ade4, }, pubKeyHash: 0x00, scriptHash: 0x05, wif: 0x80, }; const HIGHEST_BIT = 0x80000000; const UINT31_MAX = Math.pow(2, 31) - 1; function BIP32Path(value) { return (typeforce.String(value) && value.match(/^(m\/)?(\d+'?\/)*\d+'?$/) !== null); } function UInt31(value) { return typeforce.UInt32(value) && value <= UINT31_MAX; } class BIP32 { constructor(__D, __Q, chainCode, network, __DEPTH = 0, __INDEX = 0, __PARENT_FINGERPRINT = 0x00000000) { this.__D = __D; this.__Q = __Q; this.chainCode = chainCode; this.network = network; this.__DEPTH = __DEPTH; this.__INDEX = __INDEX; this.__PARENT_FINGERPRINT = __PARENT_FINGERPRINT; typeforce(NETWORK_TYPE, network); this.lowR = false; } get depth() { return this.__DEPTH; } get index() { return this.__INDEX; } get parentFingerprint() { return this.__PARENT_FINGERPRINT; } get publicKey() { if (this.__Q === undefined) this.__Q = ecc.pointFromScalar(this.__D, true); return this.__Q; } get privateKey() { return this.__D; } get identifier() { return crypto.hash160(this.publicKey); } get fingerprint() { return this.identifier.slice(0, 4); } get compressed() { return true; } // Private === not neutered // Public === neutered isNeutered() { return this.__D === undefined; } neutered() { return fromPublicKeyLocal(this.publicKey, this.chainCode, this.network, this.depth, this.index, this.parentFingerprint); } toBase58() { const network = this.network; const version = !this.isNeutered() ? network.bip32.private : network.bip32.public; const buffer = Buffer.allocUnsafe(78); // 4 bytes: version bytes buffer.writeUInt32BE(version, 0); // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, .... buffer.writeUInt8(this.depth, 4); // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key) buffer.writeUInt32BE(this.parentFingerprint, 5); // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized. // This is encoded in big endian. (0x00000000 if master key) buffer.writeUInt32BE(this.index, 9); // 32 bytes: the chain code this.chainCode.copy(buffer, 13); // 33 bytes: the public key or private key data if (!this.isNeutered()) { // 0x00 + k for private keys buffer.writeUInt8(0, 45); this.privateKey.copy(buffer, 46); // 33 bytes: the public key } else { // X9.62 encoding for public keys this.publicKey.copy(buffer, 45); } return bs58check.encode(buffer); } toWIF() { if (!this.privateKey) throw new TypeError('Missing private key'); return wif.encode(this.network.wif, this.privateKey, true); } // https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#child-key-derivation-ckd-functions derive(index) { typeforce(typeforce.UInt32, index); const isHardened = index >= HIGHEST_BIT; const data = Buffer.allocUnsafe(37); // Hardened child if (isHardened) { if (this.isNeutered()) throw new TypeError('Missing private key for hardened child key'); // data = 0x00 || ser256(kpar) || ser32(index) data[0] = 0x00; this.privateKey.copy(data, 1); data.writeUInt32BE(index, 33); // Normal child } else { // data = serP(point(kpar)) || ser32(index) // = serP(Kpar) || ser32(index) this.publicKey.copy(data, 0); data.writeUInt32BE(index, 33); } const I = crypto.hmacSHA512(this.chainCode, data); const IL = I.slice(0, 32); const IR = I.slice(32); // if parse256(IL) >= n, proceed with the next value for i if (!ecc.isPrivate(IL)) return this.derive(index + 1); // Private parent key -> private child key let hd; if (!this.isNeutered()) { // ki = parse256(IL) + kpar (mod n) const ki = ecc.privateAdd(this.privateKey, IL); // In case ki == 0, proceed with the next value for i if (ki == null) return this.derive(index + 1); hd = fromPrivateKeyLocal(ki, IR, this.network, this.depth + 1, index, this.fingerprint.readUInt32BE(0)); // Public parent key -> public child key } else { // Ki = point(parse256(IL)) + Kpar // = G*IL + Kpar const Ki = ecc.pointAddScalar(this.publicKey, IL, true); // In case Ki is the point at infinity, proceed with the next value for i if (Ki === null) return this.derive(index + 1); hd = fromPublicKeyLocal(Ki, IR, this.network, this.depth + 1, index, this.fingerprint.readUInt32BE(0)); } return hd; } deriveHardened(index) { typeforce(UInt31, index); // Only derives hardened private keys by default return this.derive(index + HIGHEST_BIT); } derivePath(path) { typeforce(BIP32Path, path); let splitPath = path.split('/'); if (splitPath[0] === 'm') { if (this.parentFingerprint) throw new TypeError('Expected master, got child'); splitPath = splitPath.slice(1); } return splitPath.reduce((prevHd, indexStr) => { let index; if (indexStr.slice(-1) === `'`) { index = parseInt(indexStr.slice(0, -1), 10); return prevHd.deriveHardened(index); } else { index = parseInt(indexStr, 10); return prevHd.derive(index); } }, this); } sign(hash, lowR) { if (!this.privateKey) throw new Error('Missing private key'); if (lowR === undefined) lowR = this.lowR; if (lowR === false) { return ecc.sign(hash, this.privateKey); } else { let sig = ecc.sign(hash, this.privateKey); const extraData = Buffer.alloc(32, 0); let counter = 0; // if first try is lowR, skip the loop // for second try and on, add extra entropy counting up while (sig[0] > 0x7f) { counter++; extraData.writeUIntLE(counter, 0, 6); sig = ecc.signWithEntropy(hash, this.privateKey, extraData); } return sig; } } verify(hash, signature) { return ecc.verify(hash, this.publicKey, signature); } } function fromBase58(inString, network) { const buffer = bs58check.decode(inString); if (buffer.length !== 78) throw new TypeError('Invalid buffer length'); network = network || BITCOIN; // 4 bytes: version bytes const version = buffer.readUInt32BE(0); if (version !== network.bip32.private && version !== network.bip32.public) throw new TypeError('Invalid network version'); // 1 byte: depth: 0x00 for master nodes, 0x01 for level-1 descendants, ... const depth = buffer[4]; // 4 bytes: the fingerprint of the parent's key (0x00000000 if master key) const parentFingerprint = buffer.readUInt32BE(5); if (depth === 0) { if (parentFingerprint !== 0x00000000) throw new TypeError('Invalid parent fingerprint'); } // 4 bytes: child number. This is the number i in xi = xpar/i, with xi the key being serialized. // This is encoded in MSB order. (0x00000000 if master key) const index = buffer.readUInt32BE(9); if (depth === 0 && index !== 0) throw new TypeError('Invalid index'); // 32 bytes: the chain code const chainCode = buffer.slice(13, 45); let hd; // 33 bytes: private key data (0x00 + k) if (version === network.bip32.private) { if (buffer.readUInt8(45) !== 0x00) throw new TypeError('Invalid private key'); const k = buffer.slice(46, 78); hd = fromPrivateKeyLocal(k, chainCode, network, depth, index, parentFingerprint); // 33 bytes: public key data (0x02 + X or 0x03 + X) } else { const X = buffer.slice(45, 78); hd = fromPublicKeyLocal(X, chainCode, network, depth, index, parentFingerprint); } return hd; } exports.fromBase58 = fromBase58; function fromPrivateKey(privateKey, chainCode, network) { return fromPrivateKeyLocal(privateKey, chainCode, network); } exports.fromPrivateKey = fromPrivateKey; function fromPrivateKeyLocal(privateKey, chainCode, network, depth, index, parentFingerprint) { typeforce({ privateKey: UINT256_TYPE, chainCode: UINT256_TYPE, }, { privateKey, chainCode }); network = network || BITCOIN; if (!ecc.isPrivate(privateKey)) throw new TypeError('Private key not in range [1, n)'); return new BIP32(privateKey, undefined, chainCode, network, depth, index, parentFingerprint); } function fromPublicKey(publicKey, chainCode, network) { return fromPublicKeyLocal(publicKey, chainCode, network); } exports.fromPublicKey = fromPublicKey; function fromPublicKeyLocal(publicKey, chainCode, network, depth, index, parentFingerprint) { typeforce({ publicKey: typeforce.BufferN(33), chainCode: UINT256_TYPE, }, { publicKey, chainCode }); network = network || BITCOIN; // verify the X coordinate is a point on the curve if (!ecc.isPoint(publicKey)) throw new TypeError('Point is not on the curve'); return new BIP32(undefined, publicKey, chainCode, network, depth, index, parentFingerprint); } function fromSeed(seed, network) { typeforce(typeforce.Buffer, seed); if (seed.length < 16) throw new TypeError('Seed should be at least 128 bits'); if (seed.length > 64) throw new TypeError('Seed should be at most 512 bits'); network = network || BITCOIN; const I = crypto.hmacSHA512(Buffer.from('Bitcoin seed', 'utf8'), seed); const IL = I.slice(0, 32); const IR = I.slice(32); return fromPrivateKey(IL, IR, network); } exports.fromSeed = fromSeed; /***/ }), /***/ "../../node_modules/bip32/src/crypto.js": /*!**********************************************!*\ !*** ../../node_modules/bip32/src/crypto.js ***! \**********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; Object.defineProperty(exports, "__esModule", ({ value: true })); const createHash = __webpack_require__(/*! create-hash */ "../../node_modules/create-hash/browser.js"); const createHmac = __webpack_require__(/*! create-hmac */ "../../node_modules/create-hmac/browser.js"); function hash160(buffer) { const sha256Hash = createHash('sha256') .update(buffer) .digest(); try { return createHash('rmd160') .update(sha256Hash) .digest(); } catch (err) { return createHash('ripemd160') .update(sha256Hash) .digest(); } } exports.hash160 = hash160; function hmacSHA512(key, data) { return createHmac('sha512', key) .update(data) .digest(); } exports.hmacSHA512 = hmacSHA512; /***/ }), /***/ "../../node_modules/bip32/src/index.js": /*!*********************************************!*\ !*** ../../node_modules/bip32/src/index.js ***! \*********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; Object.defineProperty(exports, "__esModule", ({ value: true })); var bip32_1 = __webpack_require__(/*! ./bip32 */ "../../node_modules/bip32/src/bip32.js"); exports.fromSeed = bip32_1.fromSeed; exports.fromBase58 = bip32_1.fromBase58; exports.fromPublicKey = bip32_1.fromPublicKey; exports.fromPrivateKey = bip32_1.fromPrivateKey; /***/ }), /***/ "../../node_modules/bip39/src/_wordlists.js": /*!**************************************************!*\ !*** ../../node_modules/bip39/src/_wordlists.js ***! \**************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; Object.defineProperty(exports, "__esModule", ({ value: true })); // browserify by default only pulls in files that are hard coded in requires // In order of last to first in this file, the default wordlist will be chosen // based on what is present. (Bundles may remove wordlists they don't need) const wordlists = {}; exports.wordlists = wordlists; let _default; exports._default = _default; try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/czech.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.czech = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/chinese_simplified.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.chinese_simplified = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/chinese_traditional.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.chinese_traditional = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/korean.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.korean = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/french.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.french = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/italian.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.italian = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/spanish.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.spanish = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/japanese.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.japanese = _default; wordlists.JA = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module './wordlists/portuguese.json'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); wordlists.portuguese = _default; } catch (err) { } try { exports._default = _default = __webpack_require__(/*! ./wordlists/english.json */ "../../node_modules/bip39/src/wordlists/english.json"); wordlists.english = _default; wordlists.EN = _default; } catch (err) { } /***/ }), /***/ "../../node_modules/bip39/src/index.js": /*!*********************************************!*\ !*** ../../node_modules/bip39/src/index.js ***! \*********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; Object.defineProperty(exports, "__esModule", ({ value: true })); const createHash = __webpack_require__(/*! create-hash */ "../../node_modules/create-hash/browser.js"); const pbkdf2_1 = __webpack_require__(/*! pbkdf2 */ "../../node_modules/pbkdf2/browser.js"); const randomBytes = __webpack_require__(/*! randombytes */ "../../node_modules/randombytes/browser.js"); const _wordlists_1 = __webpack_require__(/*! ./_wordlists */ "../../node_modules/bip39/src/_wordlists.js"); let DEFAULT_WORDLIST = _wordlists_1._default; const INVALID_MNEMONIC = 'Invalid mnemonic'; const INVALID_ENTROPY = 'Invalid entropy'; const INVALID_CHECKSUM = 'Invalid mnemonic checksum'; const WORDLIST_REQUIRED = 'A wordlist is required but a default could not be found.\n' + 'Please pass a 2048 word array explicitly.'; function pbkdf2Promise(password, saltMixin, iterations, keylen, digest) { return Promise.resolve().then(() => new Promise((resolve, reject) => { const callback = (err, derivedKey) => { if (err) { return reject(err); } else { return resolve(derivedKey); } }; pbkdf2_1.pbkdf2(password, saltMixin, iterations, keylen, digest, callback); })); } function normalize(str) { return (str || '').normalize('NFKD'); } function lpad(str, padString, length) { while (str.length < length) { str = padString + str; } return str; } function binaryToByte(bin) { return parseInt(bin, 2); } function bytesToBinary(bytes) { return bytes.map((x) => lpad(x.toString(2), '0', 8)).join(''); } function deriveChecksumBits(entropyBuffer) { const ENT = entropyBuffer.length * 8; const CS = ENT / 32; const hash = createHash('sha256') .update(entropyBuffer) .digest(); return bytesToBinary(Array.from(hash)).slice(0, CS); } function salt(password) { return 'mnemonic' + (password || ''); } function mnemonicToSeedSync(mnemonic, password) { const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8'); const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8'); return pbkdf2_1.pbkdf2Sync(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512'); } exports.mnemonicToSeedSync = mnemonicToSeedSync; function mnemonicToSeed(mnemonic, password) { return Promise.resolve().then(() => { const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8'); const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8'); return pbkdf2Promise(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512'); }); } exports.mnemonicToSeed = mnemonicToSeed; function mnemonicToEntropy(mnemonic, wordlist) { wordlist = wordlist || DEFAULT_WORDLIST; if (!wordlist) { throw new Error(WORDLIST_REQUIRED); } const words = normalize(mnemonic).split(' '); if (words.length % 3 !== 0) { throw new Error(INVALID_MNEMONIC); } // convert word indices to 11 bit binary strings const bits = words .map((word) => { const index = wordlist.indexOf(word); if (index === -1) { throw new Error(INVALID_MNEMONIC); } return lpad(index.toString(2), '0', 11); }) .join(''); // split the binary string into ENT/CS const dividerIndex = Math.floor(bits.length / 33) * 32; const entropyBits = bits.slice(0, dividerIndex); const checksumBits = bits.slice(dividerIndex); // calculate the checksum and compare const entropyBytes = entropyBits.match(/(.{1,8})/g).map(binaryToByte); if (entropyBytes.length < 16) { throw new Error(INVALID_ENTROPY); } if (entropyBytes.length > 32) { throw new Error(INVALID_ENTROPY); } if (entropyBytes.length % 4 !== 0) { throw new Error(INVALID_ENTROPY); } const entropy = Buffer.from(entropyBytes); const newChecksum = deriveChecksumBits(entropy); if (newChecksum !== checksumBits) { throw new Error(INVALID_CHECKSUM); } return entropy.toString('hex'); } exports.mnemonicToEntropy = mnemonicToEntropy; function entropyToMnemonic(entropy, wordlist) { if (!Buffer.isBuffer(entropy)) { entropy = Buffer.from(entropy, 'hex'); } wordlist = wordlist || DEFAULT_WORDLIST; if (!wordlist) { throw new Error(WORDLIST_REQUIRED); } // 128 <= ENT <= 256 if (entropy.length < 16) { throw new TypeError(INVALID_ENTROPY); } if (entropy.length > 32) { throw new TypeError(INVALID_ENTROPY); } if (entropy.length % 4 !== 0) { throw new TypeError(INVALID_ENTROPY); } const entropyBits = bytesToBinary(Array.from(entropy)); const checksumBits = deriveChecksumBits(entropy); const bits = entropyBits + checksumBits; const chunks = bits.match(/(.{1,11})/g); const words = chunks.map((binary) => { const index = binaryToByte(binary); return wordlist[index]; }); return wordlist[0] === '\u3042\u3044\u3053\u304f\u3057\u3093' // Japanese wordlist ? words.join('\u3000') : words.join(' '); } exports.entropyToMnemonic = entropyToMnemonic; function generateMnemonic(strength, rng, wordlist) { strength = strength || 128; if (strength % 32 !== 0) { throw new TypeError(INVALID_ENTROPY); } rng = rng || randomBytes; return entropyToMnemonic(rng(strength / 8), wordlist); } exports.generateMnemonic = generateMnemonic; function validateMnemonic(mnemonic, wordlist) { try { mnemonicToEntropy(mnemonic, wordlist); } catch (e) { return false; } return true; } exports.validateMnemonic = validateMnemonic; function setDefaultWordlist(language) { const result = _wordlists_1.wordlists[language]; if (result) { DEFAULT_WORDLIST = result; } else { throw new Error('Could not find wordlist for language "' + language + '"'); } } exports.setDefaultWordlist = setDefaultWordlist; function getDefaultWordlist() { if (!DEFAULT_WORDLIST) { throw new Error('No Default Wordlist set'); } return Object.keys(_wordlists_1.wordlists).filter((lang) => { if (lang === 'JA' || lang === 'EN') { return false; } return _wordlists_1.wordlists[lang].every((word, index) => word === DEFAULT_WORDLIST[index]); })[0]; } exports.getDefaultWordlist = getDefaultWordlist; var _wordlists_2 = __webpack_require__(/*! ./_wordlists */ "../../node_modules/bip39/src/_wordlists.js"); exports.wordlists = _wordlists_2.wordlists; /***/ }), /***/ "../../node_modules/bn.js/lib/bn.js": /*!******************************************!*\ !*** ../../node_modules/bn.js/lib/bn.js ***! \******************************************/ /***/ (function(module, __unused_webpack_exports, __webpack_require__) { /* module decorator */ module = __webpack_require__.nmd(module); (function (module, exports) { 'use strict'; // Utils function assert (val, msg) { if (!val) throw new Error(msg || 'Assertion failed'); } // Could use `inherits` module, but don't want to move from single file // architecture yet. function inherits (ctor, superCtor) { ctor.super_ = superCtor; var TempCtor = function () {}; TempCtor.prototype = superCtor.prototype; ctor.prototype = new TempCtor(); ctor.prototype.constructor = ctor; } // BN function BN (number, base, endian) { if (BN.isBN(number)) { return number; } this.negative = 0; this.words = null; this.length = 0; // Reduction context this.red = null; if (number !== null) { if (base === 'le' || base === 'be') { endian = base; base = 10; } this._init(number || 0, base || 10, endian || 'be'); } } if (typeof module === 'object') { module.exports = BN; } else { exports.BN = BN; } BN.BN = BN; BN.wordSize = 26; var Buffer; try { if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') { Buffer = window.Buffer; } else { Buffer = (__webpack_require__(/*! buffer */ "?2e65").Buffer); } } catch (e) { } BN.isBN = function isBN (num) { if (num instanceof BN) { return true; } return num !== null && typeof num === 'object' && num.constructor.wordSize === BN.wordSize && Array.isArray(num.words); }; BN.max = function max (left, right) { if (left.cmp(right) > 0) return left; return right; }; BN.min = function min (left, right) { if (left.cmp(right) < 0) return left; return right; }; BN.prototype._init = function init (number, base, endian) { if (typeof number === 'number') { return this._initNumber(number, base, endian); } if (typeof number === 'object') { return this._initArray(number, base, endian); } if (base === 'hex') { base = 16; } assert(base === (base | 0) && base >= 2 && base <= 36); number = number.toString().replace(/\s+/g, ''); var start = 0; if (number[0] === '-') { start++; this.negative = 1; } if (start < number.length) { if (base === 16) { this._parseHex(number, start, endian); } else { this._parseBase(number, base, start); if (endian === 'le') { this._initArray(this.toArray(), base, endian); } } } }; BN.prototype._initNumber = function _initNumber (number, base, endian) { if (number < 0) { this.negative = 1; number = -number; } if (number < 0x4000000) { this.words = [number & 0x3ffffff]; this.length = 1; } else if (number < 0x10000000000000) { this.words = [ number & 0x3ffffff, (number / 0x4000000) & 0x3ffffff ]; this.length = 2; } else { assert(number < 0x20000000000000); // 2 ^ 53 (unsafe) this.words = [ number & 0x3ffffff, (number / 0x4000000) & 0x3ffffff, 1 ]; this.length = 3; } if (endian !== 'le') return; // Reverse the bytes this._initArray(this.toArray(), base, endian); }; BN.prototype._initArray = function _initArray (number, base, endian) { // Perhaps a Uint8Array assert(typeof number.length === 'number'); if (number.length <= 0) { this.words = [0]; this.length = 1; return this; } this.length = Math.ceil(number.length / 3); this.words = new Array(this.length); for (var i = 0; i < this.length; i++) { this.words[i] = 0; } var j, w; var off = 0; if (endian === 'be') { for (i = number.length - 1, j = 0; i >= 0; i -= 3) { w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; off += 24; if (off >= 26) { off -= 26; j++; } } } else if (endian === 'le') { for (i = 0, j = 0; i < number.length; i += 3) { w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; off += 24; if (off >= 26) { off -= 26; j++; } } } return this._strip(); }; function parseHex4Bits (string, index) { var c = string.charCodeAt(index); // '0' - '9' if (c >= 48 && c <= 57) { return c - 48; // 'A' - 'F' } else if (c >= 65 && c <= 70) { return c - 55; // 'a' - 'f' } else if (c >= 97 && c <= 102) { return c - 87; } else { assert(false, 'Invalid character in ' + string); } } function parseHexByte (string, lowerBound, index) { var r = parseHex4Bits(string, index); if (index - 1 >= lowerBound) { r |= parseHex4Bits(string, index - 1) << 4; } return r; } BN.prototype._parseHex = function _parseHex (number, start, endian) { // Create possibly bigger array to ensure that it fits the number this.length = Math.ceil((number.length - start) / 6); this.words = new Array(this.length); for (var i = 0; i < this.length; i++) { this.words[i] = 0; } // 24-bits chunks var off = 0; var j = 0; var w; if (endian === 'be') { for (i = number.length - 1; i >= start; i -= 2) { w = parseHexByte(number, start, i) << off; this.words[j] |= w & 0x3ffffff; if (off >= 18) { off -= 18; j += 1; this.words[j] |= w >>> 26; } else { off += 8; } } } else { var parseLength = number.length - start; for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) { w = parseHexByte(number, start, i) << off; this.words[j] |= w & 0x3ffffff; if (off >= 18) { off -= 18; j += 1; this.words[j] |= w >>> 26; } else { off += 8; } } } this._strip(); }; function parseBase (str, start, end, mul) { var r = 0; var b = 0; var len = Math.min(str.length, end); for (var i = start; i < len; i++) { var c = str.charCodeAt(i) - 48; r *= mul; // 'a' if (c >= 49) { b = c - 49 + 0xa; // 'A' } else if (c >= 17) { b = c - 17 + 0xa; // '0' - '9' } else { b = c; } assert(c >= 0 && b < mul, 'Invalid character'); r += b; } return r; } BN.prototype._parseBase = function _parseBase (number, base, start) { // Initialize as zero this.words = [0]; this.length = 1; // Find length of limb in base for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) { limbLen++; } limbLen--; limbPow = (limbPow / base) | 0; var total = number.length - start; var mod = total % limbLen; var end = Math.min(total, total - mod) + start; var word = 0; for (var i = start; i < end; i += limbLen) { word = parseBase(number, i, i + limbLen, base); this.imuln(limbPow); if (this.words[0] + word < 0x4000000) { this.words[0] += word; } else { this._iaddn(word); } } if (mod !== 0) { var pow = 1; word = parseBase(number, i, number.length, base); for (i = 0; i < mod; i++) { pow *= base; } this.imuln(pow); if (this.words[0] + word < 0x4000000) { this.words[0] += word; } else { this._iaddn(word); } } this._strip(); }; BN.prototype.copy = function copy (dest) { dest.words = new Array(this.length); for (var i = 0; i < this.length; i++) { dest.words[i] = this.words[i]; } dest.length = this.length; dest.negative = this.negative; dest.red = this.red; }; function move (dest, src) { dest.words = src.words; dest.length = src.length; dest.negative = src.negative; dest.red = src.red; } BN.prototype._move = function _move (dest) { move(dest, this); }; BN.prototype.clone = function clone () { var r = new BN(null); this.copy(r); return r; }; BN.prototype._expand = function _expand (size) { while (this.length < size) { this.words[this.length++] = 0; } return this; }; // Remove leading `0` from `this` BN.prototype._strip = function strip () { while (this.length > 1 && this.words[this.length - 1] === 0) { this.length--; } return this._normSign(); }; BN.prototype._normSign = function _normSign () { // -0 = 0 if (this.length === 1 && this.words[0] === 0) { this.negative = 0; } return this; }; // Check Symbol.for because not everywhere where Symbol defined // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol#Browser_compatibility if (typeof Symbol !== 'undefined' && typeof Symbol.for === 'function') { try { BN.prototype[Symbol.for('nodejs.util.inspect.custom')] = inspect; } catch (e) { BN.prototype.inspect = inspect; } } else { BN.prototype.inspect = inspect; } function inspect () { return (this.red ? ''; } /* var zeros = []; var groupSizes = []; var groupBases = []; var s = ''; var i = -1; while (++i < BN.wordSize) { zeros[i] = s; s += '0'; } groupSizes[0] = 0; groupSizes[1] = 0; groupBases[0] = 0; groupBases[1] = 0; var base = 2 - 1; while (++base < 36 + 1) { var groupSize = 0; var groupBase = 1; while (groupBase < (1 << BN.wordSize) / base) { groupBase *= base; groupSize += 1; } groupSizes[base] = groupSize; groupBases[base] = groupBase; } */ var zeros = [ '', '0', '00', '000', '0000', '00000', '000000', '0000000', '00000000', '000000000', '0000000000', '00000000000', '000000000000', '0000000000000', '00000000000000', '000000000000000', '0000000000000000', '00000000000000000', '000000000000000000', '0000000000000000000', '00000000000000000000', '000000000000000000000', '0000000000000000000000', '00000000000000000000000', '000000000000000000000000', '0000000000000000000000000' ]; var groupSizes = [ 0, 0, 25, 16, 12, 11, 10, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 ]; var groupBases = [ 0, 0, 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216, 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625, 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632, 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149, 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176 ]; BN.prototype.toString = function toString (base, padding) { base = base || 10; padding = padding | 0 || 1; var out; if (base === 16 || base === 'hex') { out = ''; var off = 0; var carry = 0; for (var i = 0; i < this.length; i++) { var w = this.words[i]; var word = (((w << off) | carry) & 0xffffff).toString(16); carry = (w >>> (24 - off)) & 0xffffff; off += 2; if (off >= 26) { off -= 26; i--; } if (carry !== 0 || i !== this.length - 1) { out = zeros[6 - word.length] + word + out; } else { out = word + out; } } if (carry !== 0) { out = carry.toString(16) + out; } while (out.length % padding !== 0) { out = '0' + out; } if (this.negative !== 0) { out = '-' + out; } return out; } if (base === (base | 0) && base >= 2 && base <= 36) { // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base)); var groupSize = groupSizes[base]; // var groupBase = Math.pow(base, groupSize); var groupBase = groupBases[base]; out = ''; var c = this.clone(); c.negative = 0; while (!c.isZero()) { var r = c.modrn(groupBase).toString(base); c = c.idivn(groupBase); if (!c.isZero()) { out = zeros[groupSize - r.length] + r + out; } else { out = r + out; } } if (this.isZero()) { out = '0' + out; } while (out.length % padding !== 0) { out = '0' + out; } if (this.negative !== 0) { out = '-' + out; } return out; } assert(false, 'Base should be between 2 and 36'); }; BN.prototype.toNumber = function toNumber () { var ret = this.words[0]; if (this.length === 2) { ret += this.words[1] * 0x4000000; } else if (this.length === 3 && this.words[2] === 0x01) { // NOTE: at this stage it is known that the top bit is set ret += 0x10000000000000 + (this.words[1] * 0x4000000); } else if (this.length > 2) { assert(false, 'Number can only safely store up to 53 bits'); } return (this.negative !== 0) ? -ret : ret; }; BN.prototype.toJSON = function toJSON () { return this.toString(16, 2); }; if (Buffer) { BN.prototype.toBuffer = function toBuffer (endian, length) { return this.toArrayLike(Buffer, endian, length); }; } BN.prototype.toArray = function toArray (endian, length) { return this.toArrayLike(Array, endian, length); }; var allocate = function allocate (ArrayType, size) { if (ArrayType.allocUnsafe) { return ArrayType.allocUnsafe(size); } return new ArrayType(size); }; BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) { this._strip(); var byteLength = this.byteLength(); var reqLength = length || Math.max(1, byteLength); assert(byteLength <= reqLength, 'byte array longer than desired length'); assert(reqLength > 0, 'Requested array length <= 0'); var res = allocate(ArrayType, reqLength); var postfix = endian === 'le' ? 'LE' : 'BE'; this['_toArrayLike' + postfix](res, byteLength); return res; }; BN.prototype._toArrayLikeLE = function _toArrayLikeLE (res, byteLength) { var position = 0; var carry = 0; for (var i = 0, shift = 0; i < this.length; i++) { var word = (this.words[i] << shift) | carry; res[position++] = word & 0xff; if (position < res.length) { res[position++] = (word >> 8) & 0xff; } if (position < res.length) { res[position++] = (word >> 16) & 0xff; } if (shift === 6) { if (position < res.length) { res[position++] = (word >> 24) & 0xff; } carry = 0; shift = 0; } else { carry = word >>> 24; shift += 2; } } if (position < res.length) { res[position++] = carry; while (position < res.length) { res[position++] = 0; } } }; BN.prototype._toArrayLikeBE = function _toArrayLikeBE (res, byteLength) { var position = res.length - 1; var carry = 0; for (var i = 0, shift = 0; i < this.length; i++) { var word = (this.words[i] << shift) | carry; res[position--] = word & 0xff; if (position >= 0) { res[position--] = (word >> 8) & 0xff; } if (position >= 0) { res[position--] = (word >> 16) & 0xff; } if (shift === 6) { if (position >= 0) { res[position--] = (word >> 24) & 0xff; } carry = 0; shift = 0; } else { carry = word >>> 24; shift += 2; } } if (position >= 0) { res[position--] = carry; while (position >= 0) { res[position--] = 0; } } }; if (Math.clz32) { BN.prototype._countBits = function _countBits (w) { return 32 - Math.clz32(w); }; } else { BN.prototype._countBits = function _countBits (w) { var t = w; var r = 0; if (t >= 0x1000) { r += 13; t >>>= 13; } if (t >= 0x40) { r += 7; t >>>= 7; } if (t >= 0x8) { r += 4; t >>>= 4; } if (t >= 0x02) { r += 2; t >>>= 2; } return r + t; }; } BN.prototype._zeroBits = function _zeroBits (w) { // Short-cut if (w === 0) return 26; var t = w; var r = 0; if ((t & 0x1fff) === 0) { r += 13; t >>>= 13; } if ((t & 0x7f) === 0) { r += 7; t >>>= 7; } if ((t & 0xf) === 0) { r += 4; t >>>= 4; } if ((t & 0x3) === 0) { r += 2; t >>>= 2; } if ((t & 0x1) === 0) { r++; } return r; }; // Return number of used bits in a BN BN.prototype.bitLength = function bitLength () { var w = this.words[this.length - 1]; var hi = this._countBits(w); return (this.length - 1) * 26 + hi; }; function toBitArray (num) { var w = new Array(num.bitLength()); for (var bit = 0; bit < w.length; bit++) { var off = (bit / 26) | 0; var wbit = bit % 26; w[bit] = (num.words[off] >>> wbit) & 0x01; } return w; } // Number of trailing zero bits BN.prototype.zeroBits = function zeroBits () { if (this.isZero()) return 0; var r = 0; for (var i = 0; i < this.length; i++) { var b = this._zeroBits(this.words[i]); r += b; if (b !== 26) break; } return r; }; BN.prototype.byteLength = function byteLength () { return Math.ceil(this.bitLength() / 8); }; BN.prototype.toTwos = function toTwos (width) { if (this.negative !== 0) { return this.abs().inotn(width).iaddn(1); } return this.clone(); }; BN.prototype.fromTwos = function fromTwos (width) { if (this.testn(width - 1)) { return this.notn(width).iaddn(1).ineg(); } return this.clone(); }; BN.prototype.isNeg = function isNeg () { return this.negative !== 0; }; // Return negative clone of `this` BN.prototype.neg = function neg () { return this.clone().ineg(); }; BN.prototype.ineg = function ineg () { if (!this.isZero()) { this.negative ^= 1; } return this; }; // Or `num` with `this` in-place BN.prototype.iuor = function iuor (num) { while (this.length < num.length) { this.words[this.length++] = 0; } for (var i = 0; i < num.length; i++) { this.words[i] = this.words[i] | num.words[i]; } return this._strip(); }; BN.prototype.ior = function ior (num) { assert((this.negative | num.negative) === 0); return this.iuor(num); }; // Or `num` with `this` BN.prototype.or = function or (num) { if (this.length > num.length) return this.clone().ior(num); return num.clone().ior(this); }; BN.prototype.uor = function uor (num) { if (this.length > num.length) return this.clone().iuor(num); return num.clone().iuor(this); }; // And `num` with `this` in-place BN.prototype.iuand = function iuand (num) { // b = min-length(num, this) var b; if (this.length > num.length) { b = num; } else { b = this; } for (var i = 0; i < b.length; i++) { this.words[i] = this.words[i] & num.words[i]; } this.length = b.length; return this._strip(); }; BN.prototype.iand = function iand (num) { assert((this.negative | num.negative) === 0); return this.iuand(num); }; // And `num` with `this` BN.prototype.and = function and (num) { if (this.length > num.length) return this.clone().iand(num); return num.clone().iand(this); }; BN.prototype.uand = function uand (num) { if (this.length > num.length) return this.clone().iuand(num); return num.clone().iuand(this); }; // Xor `num` with `this` in-place BN.prototype.iuxor = function iuxor (num) { // a.length > b.length var a; var b; if (this.length > num.length) { a = this; b = num; } else { a = num; b = this; } for (var i = 0; i < b.length; i++) { this.words[i] = a.words[i] ^ b.words[i]; } if (this !== a) { for (; i < a.length; i++) { this.words[i] = a.words[i]; } } this.length = a.length; return this._strip(); }; BN.prototype.ixor = function ixor (num) { assert((this.negative | num.negative) === 0); return this.iuxor(num); }; // Xor `num` with `this` BN.prototype.xor = function xor (num) { if (this.length > num.length) return this.clone().ixor(num); return num.clone().ixor(this); }; BN.prototype.uxor = function uxor (num) { if (this.length > num.length) return this.clone().iuxor(num); return num.clone().iuxor(this); }; // Not ``this`` with ``width`` bitwidth BN.prototype.inotn = function inotn (width) { assert(typeof width === 'number' && width >= 0); var bytesNeeded = Math.ceil(width / 26) | 0; var bitsLeft = width % 26; // Extend the buffer with leading zeroes this._expand(bytesNeeded); if (bitsLeft > 0) { bytesNeeded--; } // Handle complete words for (var i = 0; i < bytesNeeded; i++) { this.words[i] = ~this.words[i] & 0x3ffffff; } // Handle the residue if (bitsLeft > 0) { this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft)); } // And remove leading zeroes return this._strip(); }; BN.prototype.notn = function notn (width) { return this.clone().inotn(width); }; // Set `bit` of `this` BN.prototype.setn = function setn (bit, val) { assert(typeof bit === 'number' && bit >= 0); var off = (bit / 26) | 0; var wbit = bit % 26; this._expand(off + 1); if (val) { this.words[off] = this.words[off] | (1 << wbit); } else { this.words[off] = this.words[off] & ~(1 << wbit); } return this._strip(); }; // Add `num` to `this` in-place BN.prototype.iadd = function iadd (num) { var r; // negative + positive if (this.negative !== 0 && num.negative === 0) { this.negative = 0; r = this.isub(num); this.negative ^= 1; return this._normSign(); // positive + negative } else if (this.negative === 0 && num.negative !== 0) { num.negative = 0; r = this.isub(num); num.negative = 1; return r._normSign(); } // a.length > b.length var a, b; if (this.length > num.length) { a = this; b = num; } else { a = num; b = this; } var carry = 0; for (var i = 0; i < b.length; i++) { r = (a.words[i] | 0) + (b.words[i] | 0) + carry; this.words[i] = r & 0x3ffffff; carry = r >>> 26; } for (; carry !== 0 && i < a.length; i++) { r = (a.words[i] | 0) + carry; this.words[i] = r & 0x3ffffff; carry = r >>> 26; } this.length = a.length; if (carry !== 0) { this.words[this.length] = carry; this.length++; // Copy the rest of the words } else if (a !== this) { for (; i < a.length; i++) { this.words[i] = a.words[i]; } } return this; }; // Add `num` to `this` BN.prototype.add = function add (num) { var res; if (num.negative !== 0 && this.negative === 0) { num.negative = 0; res = this.sub(num); num.negative ^= 1; return res; } else if (num.negative === 0 && this.negative !== 0) { this.negative = 0; res = num.sub(this); this.negative = 1; return res; } if (this.length > num.length) return this.clone().iadd(num); return num.clone().iadd(this); }; // Subtract `num` from `this` in-place BN.prototype.isub = function isub (num) { // this - (-num) = this + num if (num.negative !== 0) { num.negative = 0; var r = this.iadd(num); num.negative = 1; return r._normSign(); // -this - num = -(this + num) } else if (this.negative !== 0) { this.negative = 0; this.iadd(num); this.negative = 1; return this._normSign(); } // At this point both numbers are positive var cmp = this.cmp(num); // Optimization - zeroify if (cmp === 0) { this.negative = 0; this.length = 1; this.words[0] = 0; return this; } // a > b var a, b; if (cmp > 0) { a = this; b = num; } else { a = num; b = this; } var carry = 0; for (var i = 0; i < b.length; i++) { r = (a.words[i] | 0) - (b.words[i] | 0) + carry; carry = r >> 26; this.words[i] = r & 0x3ffffff; } for (; carry !== 0 && i < a.length; i++) { r = (a.words[i] | 0) + carry; carry = r >> 26; this.words[i] = r & 0x3ffffff; } // Copy rest of the words if (carry === 0 && i < a.length && a !== this) { for (; i < a.length; i++) { this.words[i] = a.words[i]; } } this.length = Math.max(this.length, i); if (a !== this) { this.negative = 1; } return this._strip(); }; // Subtract `num` from `this` BN.prototype.sub = function sub (num) { return this.clone().isub(num); }; function smallMulTo (self, num, out) { out.negative = num.negative ^ self.negative; var len = (self.length + num.length) | 0; out.length = len; len = (len - 1) | 0; // Peel one iteration (compiler can't do it, because of code complexity) var a = self.words[0] | 0; var b = num.words[0] | 0; var r = a * b; var lo = r & 0x3ffffff; var carry = (r / 0x4000000) | 0; out.words[0] = lo; for (var k = 1; k < len; k++) { // Sum all words with the same `i + j = k` and accumulate `ncarry`, // note that ncarry could be >= 0x3ffffff var ncarry = carry >>> 26; var rword = carry & 0x3ffffff; var maxJ = Math.min(k, num.length - 1); for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { var i = (k - j) | 0; a = self.words[i] | 0; b = num.words[j] | 0; r = a * b + rword; ncarry += (r / 0x4000000) | 0; rword = r & 0x3ffffff; } out.words[k] = rword | 0; carry = ncarry | 0; } if (carry !== 0) { out.words[k] = carry | 0; } else { out.length--; } return out._strip(); } // TODO(indutny): it may be reasonable to omit it for users who don't need // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit // multiplication (like elliptic secp256k1). var comb10MulTo = function comb10MulTo (self, num, out) { var a = self.words; var b = num.words; var o = out.words; var c = 0; var lo; var mid; var hi; var a0 = a[0] | 0; var al0 = a0 & 0x1fff; var ah0 = a0 >>> 13; var a1 = a[1] | 0; var al1 = a1 & 0x1fff; var ah1 = a1 >>> 13; var a2 = a[2] | 0; var al2 = a2 & 0x1fff; var ah2 = a2 >>> 13; var a3 = a[3] | 0; var al3 = a3 & 0x1fff; var ah3 = a3 >>> 13; var a4 = a[4] | 0; var al4 = a4 & 0x1fff; var ah4 = a4 >>> 13; var a5 = a[5] | 0; var al5 = a5 & 0x1fff; var ah5 = a5 >>> 13; var a6 = a[6] | 0; var al6 = a6 & 0x1fff; var ah6 = a6 >>> 13; var a7 = a[7] | 0; var al7 = a7 & 0x1fff; var ah7 = a7 >>> 13; var a8 = a[8] | 0; var al8 = a8 & 0x1fff; var ah8 = a8 >>> 13; var a9 = a[9] | 0; var al9 = a9 & 0x1fff; var ah9 = a9 >>> 13; var b0 = b[0] | 0; var bl0 = b0 & 0x1fff; var bh0 = b0 >>> 13; var b1 = b[1] | 0; var bl1 = b1 & 0x1fff; var bh1 = b1 >>> 13; var b2 = b[2] | 0; var bl2 = b2 & 0x1fff; var bh2 = b2 >>> 13; var b3 = b[3] | 0; var bl3 = b3 & 0x1fff; var bh3 = b3 >>> 13; var b4 = b[4] | 0; var bl4 = b4 & 0x1fff; var bh4 = b4 >>> 13; var b5 = b[5] | 0; var bl5 = b5 & 0x1fff; var bh5 = b5 >>> 13; var b6 = b[6] | 0; var bl6 = b6 & 0x1fff; var bh6 = b6 >>> 13; var b7 = b[7] | 0; var bl7 = b7 & 0x1fff; var bh7 = b7 >>> 13; var b8 = b[8] | 0; var bl8 = b8 & 0x1fff; var bh8 = b8 >>> 13; var b9 = b[9] | 0; var bl9 = b9 & 0x1fff; var bh9 = b9 >>> 13; out.negative = self.negative ^ num.negative; out.length = 19; /* k = 0 */ lo = Math.imul(al0, bl0); mid = Math.imul(al0, bh0); mid = (mid + Math.imul(ah0, bl0)) | 0; hi = Math.imul(ah0, bh0); var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0; w0 &= 0x3ffffff; /* k = 1 */ lo = Math.imul(al1, bl0); mid = Math.imul(al1, bh0); mid = (mid + Math.imul(ah1, bl0)) | 0; hi = Math.imul(ah1, bh0); lo = (lo + Math.imul(al0, bl1)) | 0; mid = (mid + Math.imul(al0, bh1)) | 0; mid = (mid + Math.imul(ah0, bl1)) | 0; hi = (hi + Math.imul(ah0, bh1)) | 0; var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0; w1 &= 0x3ffffff; /* k = 2 */ lo = Math.imul(al2, bl0); mid = Math.imul(al2, bh0); mid = (mid + Math.imul(ah2, bl0)) | 0; hi = Math.imul(ah2, bh0); lo = (lo + Math.imul(al1, bl1)) | 0; mid = (mid + Math.imul(al1, bh1)) | 0; mid = (mid + Math.imul(ah1, bl1)) | 0; hi = (hi + Math.imul(ah1, bh1)) | 0; lo = (lo + Math.imul(al0, bl2)) | 0; mid = (mid + Math.imul(al0, bh2)) | 0; mid = (mid + Math.imul(ah0, bl2)) | 0; hi = (hi + Math.imul(ah0, bh2)) | 0; var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0; w2 &= 0x3ffffff; /* k = 3 */ lo = Math.imul(al3, bl0); mid = Math.imul(al3, bh0); mid = (mid + Math.imul(ah3, bl0)) | 0; hi = Math.imul(ah3, bh0); lo = (lo + Math.imul(al2, bl1)) | 0; mid = (mid + Math.imul(al2, bh1)) | 0; mid = (mid + Math.imul(ah2, bl1)) | 0; hi = (hi + Math.imul(ah2, bh1)) | 0; lo = (lo + Math.imul(al1, bl2)) | 0; mid = (mid + Math.imul(al1, bh2)) | 0; mid = (mid + Math.imul(ah1, bl2)) | 0; hi = (hi + Math.imul(ah1, bh2)) | 0; lo = (lo + Math.imul(al0, bl3)) | 0; mid = (mid + Math.imul(al0, bh3)) | 0; mid = (mid + Math.imul(ah0, bl3)) | 0; hi = (hi + Math.imul(ah0, bh3)) | 0; var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0; w3 &= 0x3ffffff; /* k = 4 */ lo = Math.imul(al4, bl0); mid = Math.imul(al4, bh0); mid = (mid + Math.imul(ah4, bl0)) | 0; hi = Math.imul(ah4, bh0); lo = (lo + Math.imul(al3, bl1)) | 0; mid = (mid + Math.imul(al3, bh1)) | 0; mid = (mid + Math.imul(ah3, bl1)) | 0; hi = (hi + Math.imul(ah3, bh1)) | 0; lo = (lo + Math.imul(al2, bl2)) | 0; mid = (mid + Math.imul(al2, bh2)) | 0; mid = (mid + Math.imul(ah2, bl2)) | 0; hi = (hi + Math.imul(ah2, bh2)) | 0; lo = (lo + Math.imul(al1, bl3)) | 0; mid = (mid + Math.imul(al1, bh3)) | 0; mid = (mid + Math.imul(ah1, bl3)) | 0; hi = (hi + Math.imul(ah1, bh3)) | 0; lo = (lo + Math.imul(al0, bl4)) | 0; mid = (mid + Math.imul(al0, bh4)) | 0; mid = (mid + Math.imul(ah0, bl4)) | 0; hi = (hi + Math.imul(ah0, bh4)) | 0; var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0; w4 &= 0x3ffffff; /* k = 5 */ lo = Math.imul(al5, bl0); mid = Math.imul(al5, bh0); mid = (mid + Math.imul(ah5, bl0)) | 0; hi = Math.imul(ah5, bh0); lo = (lo + Math.imul(al4, bl1)) | 0; mid = (mid + Math.imul(al4, bh1)) | 0; mid = (mid + Math.imul(ah4, bl1)) | 0; hi = (hi + Math.imul(ah4, bh1)) | 0; lo = (lo + Math.imul(al3, bl2)) | 0; mid = (mid + Math.imul(al3, bh2)) | 0; mid = (mid + Math.imul(ah3, bl2)) | 0; hi = (hi + Math.imul(ah3, bh2)) | 0; lo = (lo + Math.imul(al2, bl3)) | 0; mid = (mid + Math.imul(al2, bh3)) | 0; mid = (mid + Math.imul(ah2, bl3)) | 0; hi = (hi + Math.imul(ah2, bh3)) | 0; lo = (lo + Math.imul(al1, bl4)) | 0; mid = (mid + Math.imul(al1, bh4)) | 0; mid = (mid + Math.imul(ah1, bl4)) | 0; hi = (hi + Math.imul(ah1, bh4)) | 0; lo = (lo + Math.imul(al0, bl5)) | 0; mid = (mid + Math.imul(al0, bh5)) | 0; mid = (mid + Math.imul(ah0, bl5)) | 0; hi = (hi + Math.imul(ah0, bh5)) | 0; var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0; w5 &= 0x3ffffff; /* k = 6 */ lo = Math.imul(al6, bl0); mid = Math.imul(al6, bh0); mid = (mid + Math.imul(ah6, bl0)) | 0; hi = Math.imul(ah6, bh0); lo = (lo + Math.imul(al5, bl1)) | 0; mid = (mid + Math.imul(al5, bh1)) | 0; mid = (mid + Math.imul(ah5, bl1)) | 0; hi = (hi + Math.imul(ah5, bh1)) | 0; lo = (lo + Math.imul(al4, bl2)) | 0; mid = (mid + Math.imul(al4, bh2)) | 0; mid = (mid + Math.imul(ah4, bl2)) | 0; hi = (hi + Math.imul(ah4, bh2)) | 0; lo = (lo + Math.imul(al3, bl3)) | 0; mid = (mid + Math.imul(al3, bh3)) | 0; mid = (mid + Math.imul(ah3, bl3)) | 0; hi = (hi + Math.imul(ah3, bh3)) | 0; lo = (lo + Math.imul(al2, bl4)) | 0; mid = (mid + Math.imul(al2, bh4)) | 0; mid = (mid + Math.imul(ah2, bl4)) | 0; hi = (hi + Math.imul(ah2, bh4)) | 0; lo = (lo + Math.imul(al1, bl5)) | 0; mid = (mid + Math.imul(al1, bh5)) | 0; mid = (mid + Math.imul(ah1, bl5)) | 0; hi = (hi + Math.imul(ah1, bh5)) | 0; lo = (lo + Math.imul(al0, bl6)) | 0; mid = (mid + Math.imul(al0, bh6)) | 0; mid = (mid + Math.imul(ah0, bl6)) | 0; hi = (hi + Math.imul(ah0, bh6)) | 0; var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0; w6 &= 0x3ffffff; /* k = 7 */ lo = Math.imul(al7, bl0); mid = Math.imul(al7, bh0); mid = (mid + Math.imul(ah7, bl0)) | 0; hi = Math.imul(ah7, bh0); lo = (lo + Math.imul(al6, bl1)) | 0; mid = (mid + Math.imul(al6, bh1)) | 0; mid = (mid + Math.imul(ah6, bl1)) | 0; hi = (hi + Math.imul(ah6, bh1)) | 0; lo = (lo + Math.imul(al5, bl2)) | 0; mid = (mid + Math.imul(al5, bh2)) | 0; mid = (mid + Math.imul(ah5, bl2)) | 0; hi = (hi + Math.imul(ah5, bh2)) | 0; lo = (lo + Math.imul(al4, bl3)) | 0; mid = (mid + Math.imul(al4, bh3)) | 0; mid = (mid + Math.imul(ah4, bl3)) | 0; hi = (hi + Math.imul(ah4, bh3)) | 0; lo = (lo + Math.imul(al3, bl4)) | 0; mid = (mid + Math.imul(al3, bh4)) | 0; mid = (mid + Math.imul(ah3, bl4)) | 0; hi = (hi + Math.imul(ah3, bh4)) | 0; lo = (lo + Math.imul(al2, bl5)) | 0; mid = (mid + Math.imul(al2, bh5)) | 0; mid = (mid + Math.imul(ah2, bl5)) | 0; hi = (hi + Math.imul(ah2, bh5)) | 0; lo = (lo + Math.imul(al1, bl6)) | 0; mid = (mid + Math.imul(al1, bh6)) | 0; mid = (mid + Math.imul(ah1, bl6)) | 0; hi = (hi + Math.imul(ah1, bh6)) | 0; lo = (lo + Math.imul(al0, bl7)) | 0; mid = (mid + Math.imul(al0, bh7)) | 0; mid = (mid + Math.imul(ah0, bl7)) | 0; hi = (hi + Math.imul(ah0, bh7)) | 0; var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0; w7 &= 0x3ffffff; /* k = 8 */ lo = Math.imul(al8, bl0); mid = Math.imul(al8, bh0); mid = (mid + Math.imul(ah8, bl0)) | 0; hi = Math.imul(ah8, bh0); lo = (lo + Math.imul(al7, bl1)) | 0; mid = (mid + Math.imul(al7, bh1)) | 0; mid = (mid + Math.imul(ah7, bl1)) | 0; hi = (hi + Math.imul(ah7, bh1)) | 0; lo = (lo + Math.imul(al6, bl2)) | 0; mid = (mid + Math.imul(al6, bh2)) | 0; mid = (mid + Math.imul(ah6, bl2)) | 0; hi = (hi + Math.imul(ah6, bh2)) | 0; lo = (lo + Math.imul(al5, bl3)) | 0; mid = (mid + Math.imul(al5, bh3)) | 0; mid = (mid + Math.imul(ah5, bl3)) | 0; hi = (hi + Math.imul(ah5, bh3)) | 0; lo = (lo + Math.imul(al4, bl4)) | 0; mid = (mid + Math.imul(al4, bh4)) | 0; mid = (mid + Math.imul(ah4, bl4)) | 0; hi = (hi + Math.imul(ah4, bh4)) | 0; lo = (lo + Math.imul(al3, bl5)) | 0; mid = (mid + Math.imul(al3, bh5)) | 0; mid = (mid + Math.imul(ah3, bl5)) | 0; hi = (hi + Math.imul(ah3, bh5)) | 0; lo = (lo + Math.imul(al2, bl6)) | 0; mid = (mid + Math.imul(al2, bh6)) | 0; mid = (mid + Math.imul(ah2, bl6)) | 0; hi = (hi + Math.imul(ah2, bh6)) | 0; lo = (lo + Math.imul(al1, bl7)) | 0; mid = (mid + Math.imul(al1, bh7)) | 0; mid = (mid + Math.imul(ah1, bl7)) | 0; hi = (hi + Math.imul(ah1, bh7)) | 0; lo = (lo + Math.imul(al0, bl8)) | 0; mid = (mid + Math.imul(al0, bh8)) | 0; mid = (mid + Math.imul(ah0, bl8)) | 0; hi = (hi + Math.imul(ah0, bh8)) | 0; var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0; w8 &= 0x3ffffff; /* k = 9 */ lo = Math.imul(al9, bl0); mid = Math.imul(al9, bh0); mid = (mid + Math.imul(ah9, bl0)) | 0; hi = Math.imul(ah9, bh0); lo = (lo + Math.imul(al8, bl1)) | 0; mid = (mid + Math.imul(al8, bh1)) | 0; mid = (mid + Math.imul(ah8, bl1)) | 0; hi = (hi + Math.imul(ah8, bh1)) | 0; lo = (lo + Math.imul(al7, bl2)) | 0; mid = (mid + Math.imul(al7, bh2)) | 0; mid = (mid + Math.imul(ah7, bl2)) | 0; hi = (hi + Math.imul(ah7, bh2)) | 0; lo = (lo + Math.imul(al6, bl3)) | 0; mid = (mid + Math.imul(al6, bh3)) | 0; mid = (mid + Math.imul(ah6, bl3)) | 0; hi = (hi + Math.imul(ah6, bh3)) | 0; lo = (lo + Math.imul(al5, bl4)) | 0; mid = (mid + Math.imul(al5, bh4)) | 0; mid = (mid + Math.imul(ah5, bl4)) | 0; hi = (hi + Math.imul(ah5, bh4)) | 0; lo = (lo + Math.imul(al4, bl5)) | 0; mid = (mid + Math.imul(al4, bh5)) | 0; mid = (mid + Math.imul(ah4, bl5)) | 0; hi = (hi + Math.imul(ah4, bh5)) | 0; lo = (lo + Math.imul(al3, bl6)) | 0; mid = (mid + Math.imul(al3, bh6)) | 0; mid = (mid + Math.imul(ah3, bl6)) | 0; hi = (hi + Math.imul(ah3, bh6)) | 0; lo = (lo + Math.imul(al2, bl7)) | 0; mid = (mid + Math.imul(al2, bh7)) | 0; mid = (mid + Math.imul(ah2, bl7)) | 0; hi = (hi + Math.imul(ah2, bh7)) | 0; lo = (lo + Math.imul(al1, bl8)) | 0; mid = (mid + Math.imul(al1, bh8)) | 0; mid = (mid + Math.imul(ah1, bl8)) | 0; hi = (hi + Math.imul(ah1, bh8)) | 0; lo = (lo + Math.imul(al0, bl9)) | 0; mid = (mid + Math.imul(al0, bh9)) | 0; mid = (mid + Math.imul(ah0, bl9)) | 0; hi = (hi + Math.imul(ah0, bh9)) | 0; var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0; w9 &= 0x3ffffff; /* k = 10 */ lo = Math.imul(al9, bl1); mid = Math.imul(al9, bh1); mid = (mid + Math.imul(ah9, bl1)) | 0; hi = Math.imul(ah9, bh1); lo = (lo + Math.imul(al8, bl2)) | 0; mid = (mid + Math.imul(al8, bh2)) | 0; mid = (mid + Math.imul(ah8, bl2)) | 0; hi = (hi + Math.imul(ah8, bh2)) | 0; lo = (lo + Math.imul(al7, bl3)) | 0; mid = (mid + Math.imul(al7, bh3)) | 0; mid = (mid + Math.imul(ah7, bl3)) | 0; hi = (hi + Math.imul(ah7, bh3)) | 0; lo = (lo + Math.imul(al6, bl4)) | 0; mid = (mid + Math.imul(al6, bh4)) | 0; mid = (mid + Math.imul(ah6, bl4)) | 0; hi = (hi + Math.imul(ah6, bh4)) | 0; lo = (lo + Math.imul(al5, bl5)) | 0; mid = (mid + Math.imul(al5, bh5)) | 0; mid = (mid + Math.imul(ah5, bl5)) | 0; hi = (hi + Math.imul(ah5, bh5)) | 0; lo = (lo + Math.imul(al4, bl6)) | 0; mid = (mid + Math.imul(al4, bh6)) | 0; mid = (mid + Math.imul(ah4, bl6)) | 0; hi = (hi + Math.imul(ah4, bh6)) | 0; lo = (lo + Math.imul(al3, bl7)) | 0; mid = (mid + Math.imul(al3, bh7)) | 0; mid = (mid + Math.imul(ah3, bl7)) | 0; hi = (hi + Math.imul(ah3, bh7)) | 0; lo = (lo + Math.imul(al2, bl8)) | 0; mid = (mid + Math.imul(al2, bh8)) | 0; mid = (mid + Math.imul(ah2, bl8)) | 0; hi = (hi + Math.imul(ah2, bh8)) | 0; lo = (lo + Math.imul(al1, bl9)) | 0; mid = (mid + Math.imul(al1, bh9)) | 0; mid = (mid + Math.imul(ah1, bl9)) | 0; hi = (hi + Math.imul(ah1, bh9)) | 0; var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0; w10 &= 0x3ffffff; /* k = 11 */ lo = Math.imul(al9, bl2); mid = Math.imul(al9, bh2); mid = (mid + Math.imul(ah9, bl2)) | 0; hi = Math.imul(ah9, bh2); lo = (lo + Math.imul(al8, bl3)) | 0; mid = (mid + Math.imul(al8, bh3)) | 0; mid = (mid + Math.imul(ah8, bl3)) | 0; hi = (hi + Math.imul(ah8, bh3)) | 0; lo = (lo + Math.imul(al7, bl4)) | 0; mid = (mid + Math.imul(al7, bh4)) | 0; mid = (mid + Math.imul(ah7, bl4)) | 0; hi = (hi + Math.imul(ah7, bh4)) | 0; lo = (lo + Math.imul(al6, bl5)) | 0; mid = (mid + Math.imul(al6, bh5)) | 0; mid = (mid + Math.imul(ah6, bl5)) | 0; hi = (hi + Math.imul(ah6, bh5)) | 0; lo = (lo + Math.imul(al5, bl6)) | 0; mid = (mid + Math.imul(al5, bh6)) | 0; mid = (mid + Math.imul(ah5, bl6)) | 0; hi = (hi + Math.imul(ah5, bh6)) | 0; lo = (lo + Math.imul(al4, bl7)) | 0; mid = (mid + Math.imul(al4, bh7)) | 0; mid = (mid + Math.imul(ah4, bl7)) | 0; hi = (hi + Math.imul(ah4, bh7)) | 0; lo = (lo + Math.imul(al3, bl8)) | 0; mid = (mid + Math.imul(al3, bh8)) | 0; mid = (mid + Math.imul(ah3, bl8)) | 0; hi = (hi + Math.imul(ah3, bh8)) | 0; lo = (lo + Math.imul(al2, bl9)) | 0; mid = (mid + Math.imul(al2, bh9)) | 0; mid = (mid + Math.imul(ah2, bl9)) | 0; hi = (hi + Math.imul(ah2, bh9)) | 0; var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0; w11 &= 0x3ffffff; /* k = 12 */ lo = Math.imul(al9, bl3); mid = Math.imul(al9, bh3); mid = (mid + Math.imul(ah9, bl3)) | 0; hi = Math.imul(ah9, bh3); lo = (lo + Math.imul(al8, bl4)) | 0; mid = (mid + Math.imul(al8, bh4)) | 0; mid = (mid + Math.imul(ah8, bl4)) | 0; hi = (hi + Math.imul(ah8, bh4)) | 0; lo = (lo + Math.imul(al7, bl5)) | 0; mid = (mid + Math.imul(al7, bh5)) | 0; mid = (mid + Math.imul(ah7, bl5)) | 0; hi = (hi + Math.imul(ah7, bh5)) | 0; lo = (lo + Math.imul(al6, bl6)) | 0; mid = (mid + Math.imul(al6, bh6)) | 0; mid = (mid + Math.imul(ah6, bl6)) | 0; hi = (hi + Math.imul(ah6, bh6)) | 0; lo = (lo + Math.imul(al5, bl7)) | 0; mid = (mid + Math.imul(al5, bh7)) | 0; mid = (mid + Math.imul(ah5, bl7)) | 0; hi = (hi + Math.imul(ah5, bh7)) | 0; lo = (lo + Math.imul(al4, bl8)) | 0; mid = (mid + Math.imul(al4, bh8)) | 0; mid = (mid + Math.imul(ah4, bl8)) | 0; hi = (hi + Math.imul(ah4, bh8)) | 0; lo = (lo + Math.imul(al3, bl9)) | 0; mid = (mid + Math.imul(al3, bh9)) | 0; mid = (mid + Math.imul(ah3, bl9)) | 0; hi = (hi + Math.imul(ah3, bh9)) | 0; var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0; w12 &= 0x3ffffff; /* k = 13 */ lo = Math.imul(al9, bl4); mid = Math.imul(al9, bh4); mid = (mid + Math.imul(ah9, bl4)) | 0; hi = Math.imul(ah9, bh4); lo = (lo + Math.imul(al8, bl5)) | 0; mid = (mid + Math.imul(al8, bh5)) | 0; mid = (mid + Math.imul(ah8, bl5)) | 0; hi = (hi + Math.imul(ah8, bh5)) | 0; lo = (lo + Math.imul(al7, bl6)) | 0; mid = (mid + Math.imul(al7, bh6)) | 0; mid = (mid + Math.imul(ah7, bl6)) | 0; hi = (hi + Math.imul(ah7, bh6)) | 0; lo = (lo + Math.imul(al6, bl7)) | 0; mid = (mid + Math.imul(al6, bh7)) | 0; mid = (mid + Math.imul(ah6, bl7)) | 0; hi = (hi + Math.imul(ah6, bh7)) | 0; lo = (lo + Math.imul(al5, bl8)) | 0; mid = (mid + Math.imul(al5, bh8)) | 0; mid = (mid + Math.imul(ah5, bl8)) | 0; hi = (hi + Math.imul(ah5, bh8)) | 0; lo = (lo + Math.imul(al4, bl9)) | 0; mid = (mid + Math.imul(al4, bh9)) | 0; mid = (mid + Math.imul(ah4, bl9)) | 0; hi = (hi + Math.imul(ah4, bh9)) | 0; var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0; w13 &= 0x3ffffff; /* k = 14 */ lo = Math.imul(al9, bl5); mid = Math.imul(al9, bh5); mid = (mid + Math.imul(ah9, bl5)) | 0; hi = Math.imul(ah9, bh5); lo = (lo + Math.imul(al8, bl6)) | 0; mid = (mid + Math.imul(al8, bh6)) | 0; mid = (mid + Math.imul(ah8, bl6)) | 0; hi = (hi + Math.imul(ah8, bh6)) | 0; lo = (lo + Math.imul(al7, bl7)) | 0; mid = (mid + Math.imul(al7, bh7)) | 0; mid = (mid + Math.imul(ah7, bl7)) | 0; hi = (hi + Math.imul(ah7, bh7)) | 0; lo = (lo + Math.imul(al6, bl8)) | 0; mid = (mid + Math.imul(al6, bh8)) | 0; mid = (mid + Math.imul(ah6, bl8)) | 0; hi = (hi + Math.imul(ah6, bh8)) | 0; lo = (lo + Math.imul(al5, bl9)) | 0; mid = (mid + Math.imul(al5, bh9)) | 0; mid = (mid + Math.imul(ah5, bl9)) | 0; hi = (hi + Math.imul(ah5, bh9)) | 0; var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0; w14 &= 0x3ffffff; /* k = 15 */ lo = Math.imul(al9, bl6); mid = Math.imul(al9, bh6); mid = (mid + Math.imul(ah9, bl6)) | 0; hi = Math.imul(ah9, bh6); lo = (lo + Math.imul(al8, bl7)) | 0; mid = (mid + Math.imul(al8, bh7)) | 0; mid = (mid + Math.imul(ah8, bl7)) | 0; hi = (hi + Math.imul(ah8, bh7)) | 0; lo = (lo + Math.imul(al7, bl8)) | 0; mid = (mid + Math.imul(al7, bh8)) | 0; mid = (mid + Math.imul(ah7, bl8)) | 0; hi = (hi + Math.imul(ah7, bh8)) | 0; lo = (lo + Math.imul(al6, bl9)) | 0; mid = (mid + Math.imul(al6, bh9)) | 0; mid = (mid + Math.imul(ah6, bl9)) | 0; hi = (hi + Math.imul(ah6, bh9)) | 0; var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0; w15 &= 0x3ffffff; /* k = 16 */ lo = Math.imul(al9, bl7); mid = Math.imul(al9, bh7); mid = (mid + Math.imul(ah9, bl7)) | 0; hi = Math.imul(ah9, bh7); lo = (lo + Math.imul(al8, bl8)) | 0; mid = (mid + Math.imul(al8, bh8)) | 0; mid = (mid + Math.imul(ah8, bl8)) | 0; hi = (hi + Math.imul(ah8, bh8)) | 0; lo = (lo + Math.imul(al7, bl9)) | 0; mid = (mid + Math.imul(al7, bh9)) | 0; mid = (mid + Math.imul(ah7, bl9)) | 0; hi = (hi + Math.imul(ah7, bh9)) | 0; var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0; w16 &= 0x3ffffff; /* k = 17 */ lo = Math.imul(al9, bl8); mid = Math.imul(al9, bh8); mid = (mid + Math.imul(ah9, bl8)) | 0; hi = Math.imul(ah9, bh8); lo = (lo + Math.imul(al8, bl9)) | 0; mid = (mid + Math.imul(al8, bh9)) | 0; mid = (mid + Math.imul(ah8, bl9)) | 0; hi = (hi + Math.imul(ah8, bh9)) | 0; var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0; w17 &= 0x3ffffff; /* k = 18 */ lo = Math.imul(al9, bl9); mid = Math.imul(al9, bh9); mid = (mid + Math.imul(ah9, bl9)) | 0; hi = Math.imul(ah9, bh9); var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0; w18 &= 0x3ffffff; o[0] = w0; o[1] = w1; o[2] = w2; o[3] = w3; o[4] = w4; o[5] = w5; o[6] = w6; o[7] = w7; o[8] = w8; o[9] = w9; o[10] = w10; o[11] = w11; o[12] = w12; o[13] = w13; o[14] = w14; o[15] = w15; o[16] = w16; o[17] = w17; o[18] = w18; if (c !== 0) { o[19] = c; out.length++; } return out; }; // Polyfill comb if (!Math.imul) { comb10MulTo = smallMulTo; } function bigMulTo (self, num, out) { out.negative = num.negative ^ self.negative; out.length = self.length + num.length; var carry = 0; var hncarry = 0; for (var k = 0; k < out.length - 1; k++) { // Sum all words with the same `i + j = k` and accumulate `ncarry`, // note that ncarry could be >= 0x3ffffff var ncarry = hncarry; hncarry = 0; var rword = carry & 0x3ffffff; var maxJ = Math.min(k, num.length - 1); for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { var i = k - j; var a = self.words[i] | 0; var b = num.words[j] | 0; var r = a * b; var lo = r & 0x3ffffff; ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0; lo = (lo + rword) | 0; rword = lo & 0x3ffffff; ncarry = (ncarry + (lo >>> 26)) | 0; hncarry += ncarry >>> 26; ncarry &= 0x3ffffff; } out.words[k] = rword; carry = ncarry; ncarry = hncarry; } if (carry !== 0) { out.words[k] = carry; } else { out.length--; } return out._strip(); } function jumboMulTo (self, num, out) { // Temporary disable, see https://github.com/indutny/bn.js/issues/211 // var fftm = new FFTM(); // return fftm.mulp(self, num, out); return bigMulTo(self, num, out); } BN.prototype.mulTo = function mulTo (num, out) { var res; var len = this.length + num.length; if (this.length === 10 && num.length === 10) { res = comb10MulTo(this, num, out); } else if (len < 63) { res = smallMulTo(this, num, out); } else if (len < 1024) { res = bigMulTo(this, num, out); } else { res = jumboMulTo(this, num, out); } return res; }; // Cooley-Tukey algorithm for FFT // slightly revisited to rely on looping instead of recursion function FFTM (x, y) { this.x = x; this.y = y; } FFTM.prototype.makeRBT = function makeRBT (N) { var t = new Array(N); var l = BN.prototype._countBits(N) - 1; for (var i = 0; i < N; i++) { t[i] = this.revBin(i, l, N); } return t; }; // Returns binary-reversed representation of `x` FFTM.prototype.revBin = function revBin (x, l, N) { if (x === 0 || x === N - 1) return x; var rb = 0; for (var i = 0; i < l; i++) { rb |= (x & 1) << (l - i - 1); x >>= 1; } return rb; }; // Performs "tweedling" phase, therefore 'emulating' // behaviour of the recursive algorithm FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) { for (var i = 0; i < N; i++) { rtws[i] = rws[rbt[i]]; itws[i] = iws[rbt[i]]; } }; FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) { this.permute(rbt, rws, iws, rtws, itws, N); for (var s = 1; s < N; s <<= 1) { var l = s << 1; var rtwdf = Math.cos(2 * Math.PI / l); var itwdf = Math.sin(2 * Math.PI / l); for (var p = 0; p < N; p += l) { var rtwdf_ = rtwdf; var itwdf_ = itwdf; for (var j = 0; j < s; j++) { var re = rtws[p + j]; var ie = itws[p + j]; var ro = rtws[p + j + s]; var io = itws[p + j + s]; var rx = rtwdf_ * ro - itwdf_ * io; io = rtwdf_ * io + itwdf_ * ro; ro = rx; rtws[p + j] = re + ro; itws[p + j] = ie + io; rtws[p + j + s] = re - ro; itws[p + j + s] = ie - io; /* jshint maxdepth : false */ if (j !== l) { rx = rtwdf * rtwdf_ - itwdf * itwdf_; itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_; rtwdf_ = rx; } } } } }; FFTM.prototype.guessLen13b = function guessLen13b (n, m) { var N = Math.max(m, n) | 1; var odd = N & 1; var i = 0; for (N = N / 2 | 0; N; N = N >>> 1) { i++; } return 1 << i + 1 + odd; }; FFTM.prototype.conjugate = function conjugate (rws, iws, N) { if (N <= 1) return; for (var i = 0; i < N / 2; i++) { var t = rws[i]; rws[i] = rws[N - i - 1]; rws[N - i - 1] = t; t = iws[i]; iws[i] = -iws[N - i - 1]; iws[N - i - 1] = -t; } }; FFTM.prototype.normalize13b = function normalize13b (ws, N) { var carry = 0; for (var i = 0; i < N / 2; i++) { var w = Math.round(ws[2 * i + 1] / N) * 0x2000 + Math.round(ws[2 * i] / N) + carry; ws[i] = w & 0x3ffffff; if (w < 0x4000000) { carry = 0; } else { carry = w / 0x4000000 | 0; } } return ws; }; FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) { var carry = 0; for (var i = 0; i < len; i++) { carry = carry + (ws[i] | 0); rws[2 * i] = carry & 0x1fff; carry = carry >>> 13; rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13; } // Pad with zeroes for (i = 2 * len; i < N; ++i) { rws[i] = 0; } assert(carry === 0); assert((carry & ~0x1fff) === 0); }; FFTM.prototype.stub = function stub (N) { var ph = new Array(N); for (var i = 0; i < N; i++) { ph[i] = 0; } return ph; }; FFTM.prototype.mulp = function mulp (x, y, out) { var N = 2 * this.guessLen13b(x.length, y.length); var rbt = this.makeRBT(N); var _ = this.stub(N); var rws = new Array(N); var rwst = new Array(N); var iwst = new Array(N); var nrws = new Array(N); var nrwst = new Array(N); var niwst = new Array(N); var rmws = out.words; rmws.length = N; this.convert13b(x.words, x.length, rws, N); this.convert13b(y.words, y.length, nrws, N); this.transform(rws, _, rwst, iwst, N, rbt); this.transform(nrws, _, nrwst, niwst, N, rbt); for (var i = 0; i < N; i++) { var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i]; iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i]; rwst[i] = rx; } this.conjugate(rwst, iwst, N); this.transform(rwst, iwst, rmws, _, N, rbt); this.conjugate(rmws, _, N); this.normalize13b(rmws, N); out.negative = x.negative ^ y.negative; out.length = x.length + y.length; return out._strip(); }; // Multiply `this` by `num` BN.prototype.mul = function mul (num) { var out = new BN(null); out.words = new Array(this.length + num.length); return this.mulTo(num, out); }; // Multiply employing FFT BN.prototype.mulf = function mulf (num) { var out = new BN(null); out.words = new Array(this.length + num.length); return jumboMulTo(this, num, out); }; // In-place Multiplication BN.prototype.imul = function imul (num) { return this.clone().mulTo(num, this); }; BN.prototype.imuln = function imuln (num) { var isNegNum = num < 0; if (isNegNum) num = -num; assert(typeof num === 'number'); assert(num < 0x4000000); // Carry var carry = 0; for (var i = 0; i < this.length; i++) { var w = (this.words[i] | 0) * num; var lo = (w & 0x3ffffff) + (carry & 0x3ffffff); carry >>= 26; carry += (w / 0x4000000) | 0; // NOTE: lo is 27bit maximum carry += lo >>> 26; this.words[i] = lo & 0x3ffffff; } if (carry !== 0) { this.words[i] = carry; this.length++; } return isNegNum ? this.ineg() : this; }; BN.prototype.muln = function muln (num) { return this.clone().imuln(num); }; // `this` * `this` BN.prototype.sqr = function sqr () { return this.mul(this); }; // `this` * `this` in-place BN.prototype.isqr = function isqr () { return this.imul(this.clone()); }; // Math.pow(`this`, `num`) BN.prototype.pow = function pow (num) { var w = toBitArray(num); if (w.length === 0) return new BN(1); // Skip leading zeroes var res = this; for (var i = 0; i < w.length; i++, res = res.sqr()) { if (w[i] !== 0) break; } if (++i < w.length) { for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) { if (w[i] === 0) continue; res = res.mul(q); } } return res; }; // Shift-left in-place BN.prototype.iushln = function iushln (bits) { assert(typeof bits === 'number' && bits >= 0); var r = bits % 26; var s = (bits - r) / 26; var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r); var i; if (r !== 0) { var carry = 0; for (i = 0; i < this.length; i++) { var newCarry = this.words[i] & carryMask; var c = ((this.words[i] | 0) - newCarry) << r; this.words[i] = c | carry; carry = newCarry >>> (26 - r); } if (carry) { this.words[i] = carry; this.length++; } } if (s !== 0) { for (i = this.length - 1; i >= 0; i--) { this.words[i + s] = this.words[i]; } for (i = 0; i < s; i++) { this.words[i] = 0; } this.length += s; } return this._strip(); }; BN.prototype.ishln = function ishln (bits) { // TODO(indutny): implement me assert(this.negative === 0); return this.iushln(bits); }; // Shift-right in-place // NOTE: `hint` is a lowest bit before trailing zeroes // NOTE: if `extended` is present - it will be filled with destroyed bits BN.prototype.iushrn = function iushrn (bits, hint, extended) { assert(typeof bits === 'number' && bits >= 0); var h; if (hint) { h = (hint - (hint % 26)) / 26; } else { h = 0; } var r = bits % 26; var s = Math.min((bits - r) / 26, this.length); var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); var maskedWords = extended; h -= s; h = Math.max(0, h); // Extended mode, copy masked part if (maskedWords) { for (var i = 0; i < s; i++) { maskedWords.words[i] = this.words[i]; } maskedWords.length = s; } if (s === 0) { // No-op, we should not move anything at all } else if (this.length > s) { this.length -= s; for (i = 0; i < this.length; i++) { this.words[i] = this.words[i + s]; } } else { this.words[0] = 0; this.length = 1; } var carry = 0; for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) { var word = this.words[i] | 0; this.words[i] = (carry << (26 - r)) | (word >>> r); carry = word & mask; } // Push carried bits as a mask if (maskedWords && carry !== 0) { maskedWords.words[maskedWords.length++] = carry; } if (this.length === 0) { this.words[0] = 0; this.length = 1; } return this._strip(); }; BN.prototype.ishrn = function ishrn (bits, hint, extended) { // TODO(indutny): implement me assert(this.negative === 0); return this.iushrn(bits, hint, extended); }; // Shift-left BN.prototype.shln = function shln (bits) { return this.clone().ishln(bits); }; BN.prototype.ushln = function ushln (bits) { return this.clone().iushln(bits); }; // Shift-right BN.prototype.shrn = function shrn (bits) { return this.clone().ishrn(bits); }; BN.prototype.ushrn = function ushrn (bits) { return this.clone().iushrn(bits); }; // Test if n bit is set BN.prototype.testn = function testn (bit) { assert(typeof bit === 'number' && bit >= 0); var r = bit % 26; var s = (bit - r) / 26; var q = 1 << r; // Fast case: bit is much higher than all existing words if (this.length <= s) return false; // Check bit and return var w = this.words[s]; return !!(w & q); }; // Return only lowers bits of number (in-place) BN.prototype.imaskn = function imaskn (bits) { assert(typeof bits === 'number' && bits >= 0); var r = bits % 26; var s = (bits - r) / 26; assert(this.negative === 0, 'imaskn works only with positive numbers'); if (this.length <= s) { return this; } if (r !== 0) { s++; } this.length = Math.min(s, this.length); if (r !== 0) { var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); this.words[this.length - 1] &= mask; } return this._strip(); }; // Return only lowers bits of number BN.prototype.maskn = function maskn (bits) { return this.clone().imaskn(bits); }; // Add plain number `num` to `this` BN.prototype.iaddn = function iaddn (num) { assert(typeof num === 'number'); assert(num < 0x4000000); if (num < 0) return this.isubn(-num); // Possible sign change if (this.negative !== 0) { if (this.length === 1 && (this.words[0] | 0) <= num) { this.words[0] = num - (this.words[0] | 0); this.negative = 0; return this; } this.negative = 0; this.isubn(num); this.negative = 1; return this; } // Add without checks return this._iaddn(num); }; BN.prototype._iaddn = function _iaddn (num) { this.words[0] += num; // Carry for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) { this.words[i] -= 0x4000000; if (i === this.length - 1) { this.words[i + 1] = 1; } else { this.words[i + 1]++; } } this.length = Math.max(this.length, i + 1); return this; }; // Subtract plain number `num` from `this` BN.prototype.isubn = function isubn (num) { assert(typeof num === 'number'); assert(num < 0x4000000); if (num < 0) return this.iaddn(-num); if (this.negative !== 0) { this.negative = 0; this.iaddn(num); this.negative = 1; return this; } this.words[0] -= num; if (this.length === 1 && this.words[0] < 0) { this.words[0] = -this.words[0]; this.negative = 1; } else { // Carry for (var i = 0; i < this.length && this.words[i] < 0; i++) { this.words[i] += 0x4000000; this.words[i + 1] -= 1; } } return this._strip(); }; BN.prototype.addn = function addn (num) { return this.clone().iaddn(num); }; BN.prototype.subn = function subn (num) { return this.clone().isubn(num); }; BN.prototype.iabs = function iabs () { this.negative = 0; return this; }; BN.prototype.abs = function abs () { return this.clone().iabs(); }; BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) { var len = num.length + shift; var i; this._expand(len); var w; var carry = 0; for (i = 0; i < num.length; i++) { w = (this.words[i + shift] | 0) + carry; var right = (num.words[i] | 0) * mul; w -= right & 0x3ffffff; carry = (w >> 26) - ((right / 0x4000000) | 0); this.words[i + shift] = w & 0x3ffffff; } for (; i < this.length - shift; i++) { w = (this.words[i + shift] | 0) + carry; carry = w >> 26; this.words[i + shift] = w & 0x3ffffff; } if (carry === 0) return this._strip(); // Subtraction overflow assert(carry === -1); carry = 0; for (i = 0; i < this.length; i++) { w = -(this.words[i] | 0) + carry; carry = w >> 26; this.words[i] = w & 0x3ffffff; } this.negative = 1; return this._strip(); }; BN.prototype._wordDiv = function _wordDiv (num, mode) { var shift = this.length - num.length; var a = this.clone(); var b = num; // Normalize var bhi = b.words[b.length - 1] | 0; var bhiBits = this._countBits(bhi); shift = 26 - bhiBits; if (shift !== 0) { b = b.ushln(shift); a.iushln(shift); bhi = b.words[b.length - 1] | 0; } // Initialize quotient var m = a.length - b.length; var q; if (mode !== 'mod') { q = new BN(null); q.length = m + 1; q.words = new Array(q.length); for (var i = 0; i < q.length; i++) { q.words[i] = 0; } } var diff = a.clone()._ishlnsubmul(b, 1, m); if (diff.negative === 0) { a = diff; if (q) { q.words[m] = 1; } } for (var j = m - 1; j >= 0; j--) { var qj = (a.words[b.length + j] | 0) * 0x4000000 + (a.words[b.length + j - 1] | 0); // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max // (0x7ffffff) qj = Math.min((qj / bhi) | 0, 0x3ffffff); a._ishlnsubmul(b, qj, j); while (a.negative !== 0) { qj--; a.negative = 0; a._ishlnsubmul(b, 1, j); if (!a.isZero()) { a.negative ^= 1; } } if (q) { q.words[j] = qj; } } if (q) { q._strip(); } a._strip(); // Denormalize if (mode !== 'div' && shift !== 0) { a.iushrn(shift); } return { div: q || null, mod: a }; }; // NOTE: 1) `mode` can be set to `mod` to request mod only, // to `div` to request div only, or be absent to // request both div & mod // 2) `positive` is true if unsigned mod is requested BN.prototype.divmod = function divmod (num, mode, positive) { assert(!num.isZero()); if (this.isZero()) { return { div: new BN(0), mod: new BN(0) }; } var div, mod, res; if (this.negative !== 0 && num.negative === 0) { res = this.neg().divmod(num, mode); if (mode !== 'mod') { div = res.div.neg(); } if (mode !== 'div') { mod = res.mod.neg(); if (positive && mod.negative !== 0) { mod.iadd(num); } } return { div: div, mod: mod }; } if (this.negative === 0 && num.negative !== 0) { res = this.divmod(num.neg(), mode); if (mode !== 'mod') { div = res.div.neg(); } return { div: div, mod: res.mod }; } if ((this.negative & num.negative) !== 0) { res = this.neg().divmod(num.neg(), mode); if (mode !== 'div') { mod = res.mod.neg(); if (positive && mod.negative !== 0) { mod.isub(num); } } return { div: res.div, mod: mod }; } // Both numbers are positive at this point // Strip both numbers to approximate shift value if (num.length > this.length || this.cmp(num) < 0) { return { div: new BN(0), mod: this }; } // Very short reduction if (num.length === 1) { if (mode === 'div') { return { div: this.divn(num.words[0]), mod: null }; } if (mode === 'mod') { return { div: null, mod: new BN(this.modrn(num.words[0])) }; } return { div: this.divn(num.words[0]), mod: new BN(this.modrn(num.words[0])) }; } return this._wordDiv(num, mode); }; // Find `this` / `num` BN.prototype.div = function div (num) { return this.divmod(num, 'div', false).div; }; // Find `this` % `num` BN.prototype.mod = function mod (num) { return this.divmod(num, 'mod', false).mod; }; BN.prototype.umod = function umod (num) { return this.divmod(num, 'mod', true).mod; }; // Find Round(`this` / `num`) BN.prototype.divRound = function divRound (num) { var dm = this.divmod(num); // Fast case - exact division if (dm.mod.isZero()) return dm.div; var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod; var half = num.ushrn(1); var r2 = num.andln(1); var cmp = mod.cmp(half); // Round down if (cmp < 0 || (r2 === 1 && cmp === 0)) return dm.div; // Round up return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1); }; BN.prototype.modrn = function modrn (num) { var isNegNum = num < 0; if (isNegNum) num = -num; assert(num <= 0x3ffffff); var p = (1 << 26) % num; var acc = 0; for (var i = this.length - 1; i >= 0; i--) { acc = (p * acc + (this.words[i] | 0)) % num; } return isNegNum ? -acc : acc; }; // WARNING: DEPRECATED BN.prototype.modn = function modn (num) { return this.modrn(num); }; // In-place division by number BN.prototype.idivn = function idivn (num) { var isNegNum = num < 0; if (isNegNum) num = -num; assert(num <= 0x3ffffff); var carry = 0; for (var i = this.length - 1; i >= 0; i--) { var w = (this.words[i] | 0) + carry * 0x4000000; this.words[i] = (w / num) | 0; carry = w % num; } this._strip(); return isNegNum ? this.ineg() : this; }; BN.prototype.divn = function divn (num) { return this.clone().idivn(num); }; BN.prototype.egcd = function egcd (p) { assert(p.negative === 0); assert(!p.isZero()); var x = this; var y = p.clone(); if (x.negative !== 0) { x = x.umod(p); } else { x = x.clone(); } // A * x + B * y = x var A = new BN(1); var B = new BN(0); // C * x + D * y = y var C = new BN(0); var D = new BN(1); var g = 0; while (x.isEven() && y.isEven()) { x.iushrn(1); y.iushrn(1); ++g; } var yp = y.clone(); var xp = x.clone(); while (!x.isZero()) { for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1); if (i > 0) { x.iushrn(i); while (i-- > 0) { if (A.isOdd() || B.isOdd()) { A.iadd(yp); B.isub(xp); } A.iushrn(1); B.iushrn(1); } } for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); if (j > 0) { y.iushrn(j); while (j-- > 0) { if (C.isOdd() || D.isOdd()) { C.iadd(yp); D.isub(xp); } C.iushrn(1); D.iushrn(1); } } if (x.cmp(y) >= 0) { x.isub(y); A.isub(C); B.isub(D); } else { y.isub(x); C.isub(A); D.isub(B); } } return { a: C, b: D, gcd: y.iushln(g) }; }; // This is reduced incarnation of the binary EEA // above, designated to invert members of the // _prime_ fields F(p) at a maximal speed BN.prototype._invmp = function _invmp (p) { assert(p.negative === 0); assert(!p.isZero()); var a = this; var b = p.clone(); if (a.negative !== 0) { a = a.umod(p); } else { a = a.clone(); } var x1 = new BN(1); var x2 = new BN(0); var delta = b.clone(); while (a.cmpn(1) > 0 && b.cmpn(1) > 0) { for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1); if (i > 0) { a.iushrn(i); while (i-- > 0) { if (x1.isOdd()) { x1.iadd(delta); } x1.iushrn(1); } } for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); if (j > 0) { b.iushrn(j); while (j-- > 0) { if (x2.isOdd()) { x2.iadd(delta); } x2.iushrn(1); } } if (a.cmp(b) >= 0) { a.isub(b); x1.isub(x2); } else { b.isub(a); x2.isub(x1); } } var res; if (a.cmpn(1) === 0) { res = x1; } else { res = x2; } if (res.cmpn(0) < 0) { res.iadd(p); } return res; }; BN.prototype.gcd = function gcd (num) { if (this.isZero()) return num.abs(); if (num.isZero()) return this.abs(); var a = this.clone(); var b = num.clone(); a.negative = 0; b.negative = 0; // Remove common factor of two for (var shift = 0; a.isEven() && b.isEven(); shift++) { a.iushrn(1); b.iushrn(1); } do { while (a.isEven()) { a.iushrn(1); } while (b.isEven()) { b.iushrn(1); } var r = a.cmp(b); if (r < 0) { // Swap `a` and `b` to make `a` always bigger than `b` var t = a; a = b; b = t; } else if (r === 0 || b.cmpn(1) === 0) { break; } a.isub(b); } while (true); return b.iushln(shift); }; // Invert number in the field F(num) BN.prototype.invm = function invm (num) { return this.egcd(num).a.umod(num); }; BN.prototype.isEven = function isEven () { return (this.words[0] & 1) === 0; }; BN.prototype.isOdd = function isOdd () { return (this.words[0] & 1) === 1; }; // And first word and num BN.prototype.andln = function andln (num) { return this.words[0] & num; }; // Increment at the bit position in-line BN.prototype.bincn = function bincn (bit) { assert(typeof bit === 'number'); var r = bit % 26; var s = (bit - r) / 26; var q = 1 << r; // Fast case: bit is much higher than all existing words if (this.length <= s) { this._expand(s + 1); this.words[s] |= q; return this; } // Add bit and propagate, if needed var carry = q; for (var i = s; carry !== 0 && i < this.length; i++) { var w = this.words[i] | 0; w += carry; carry = w >>> 26; w &= 0x3ffffff; this.words[i] = w; } if (carry !== 0) { this.words[i] = carry; this.length++; } return this; }; BN.prototype.isZero = function isZero () { return this.length === 1 && this.words[0] === 0; }; BN.prototype.cmpn = function cmpn (num) { var negative = num < 0; if (this.negative !== 0 && !negative) return -1; if (this.negative === 0 && negative) return 1; this._strip(); var res; if (this.length > 1) { res = 1; } else { if (negative) { num = -num; } assert(num <= 0x3ffffff, 'Number is too big'); var w = this.words[0] | 0; res = w === num ? 0 : w < num ? -1 : 1; } if (this.negative !== 0) return -res | 0; return res; }; // Compare two numbers and return: // 1 - if `this` > `num` // 0 - if `this` == `num` // -1 - if `this` < `num` BN.prototype.cmp = function cmp (num) { if (this.negative !== 0 && num.negative === 0) return -1; if (this.negative === 0 && num.negative !== 0) return 1; var res = this.ucmp(num); if (this.negative !== 0) return -res | 0; return res; }; // Unsigned comparison BN.prototype.ucmp = function ucmp (num) { // At this point both numbers have the same sign if (this.length > num.length) return 1; if (this.length < num.length) return -1; var res = 0; for (var i = this.length - 1; i >= 0; i--) { var a = this.words[i] | 0; var b = num.words[i] | 0; if (a === b) continue; if (a < b) { res = -1; } else if (a > b) { res = 1; } break; } return res; }; BN.prototype.gtn = function gtn (num) { return this.cmpn(num) === 1; }; BN.prototype.gt = function gt (num) { return this.cmp(num) === 1; }; BN.prototype.gten = function gten (num) { return this.cmpn(num) >= 0; }; BN.prototype.gte = function gte (num) { return this.cmp(num) >= 0; }; BN.prototype.ltn = function ltn (num) { return this.cmpn(num) === -1; }; BN.prototype.lt = function lt (num) { return this.cmp(num) === -1; }; BN.prototype.lten = function lten (num) { return this.cmpn(num) <= 0; }; BN.prototype.lte = function lte (num) { return this.cmp(num) <= 0; }; BN.prototype.eqn = function eqn (num) { return this.cmpn(num) === 0; }; BN.prototype.eq = function eq (num) { return this.cmp(num) === 0; }; // // A reduce context, could be using montgomery or something better, depending // on the `m` itself. // BN.red = function red (num) { return new Red(num); }; BN.prototype.toRed = function toRed (ctx) { assert(!this.red, 'Already a number in reduction context'); assert(this.negative === 0, 'red works only with positives'); return ctx.convertTo(this)._forceRed(ctx); }; BN.prototype.fromRed = function fromRed () { assert(this.red, 'fromRed works only with numbers in reduction context'); return this.red.convertFrom(this); }; BN.prototype._forceRed = function _forceRed (ctx) { this.red = ctx; return this; }; BN.prototype.forceRed = function forceRed (ctx) { assert(!this.red, 'Already a number in reduction context'); return this._forceRed(ctx); }; BN.prototype.redAdd = function redAdd (num) { assert(this.red, 'redAdd works only with red numbers'); return this.red.add(this, num); }; BN.prototype.redIAdd = function redIAdd (num) { assert(this.red, 'redIAdd works only with red numbers'); return this.red.iadd(this, num); }; BN.prototype.redSub = function redSub (num) { assert(this.red, 'redSub works only with red numbers'); return this.red.sub(this, num); }; BN.prototype.redISub = function redISub (num) { assert(this.red, 'redISub works only with red numbers'); return this.red.isub(this, num); }; BN.prototype.redShl = function redShl (num) { assert(this.red, 'redShl works only with red numbers'); return this.red.shl(this, num); }; BN.prototype.redMul = function redMul (num) { assert(this.red, 'redMul works only with red numbers'); this.red._verify2(this, num); return this.red.mul(this, num); }; BN.prototype.redIMul = function redIMul (num) { assert(this.red, 'redMul works only with red numbers'); this.red._verify2(this, num); return this.red.imul(this, num); }; BN.prototype.redSqr = function redSqr () { assert(this.red, 'redSqr works only with red numbers'); this.red._verify1(this); return this.red.sqr(this); }; BN.prototype.redISqr = function redISqr () { assert(this.red, 'redISqr works only with red numbers'); this.red._verify1(this); return this.red.isqr(this); }; // Square root over p BN.prototype.redSqrt = function redSqrt () { assert(this.red, 'redSqrt works only with red numbers'); this.red._verify1(this); return this.red.sqrt(this); }; BN.prototype.redInvm = function redInvm () { assert(this.red, 'redInvm works only with red numbers'); this.red._verify1(this); return this.red.invm(this); }; // Return negative clone of `this` % `red modulo` BN.prototype.redNeg = function redNeg () { assert(this.red, 'redNeg works only with red numbers'); this.red._verify1(this); return this.red.neg(this); }; BN.prototype.redPow = function redPow (num) { assert(this.red && !num.red, 'redPow(normalNum)'); this.red._verify1(this); return this.red.pow(this, num); }; // Prime numbers with efficient reduction var primes = { k256: null, p224: null, p192: null, p25519: null }; // Pseudo-Mersenne prime function MPrime (name, p) { // P = 2 ^ N - K this.name = name; this.p = new BN(p, 16); this.n = this.p.bitLength(); this.k = new BN(1).iushln(this.n).isub(this.p); this.tmp = this._tmp(); } MPrime.prototype._tmp = function _tmp () { var tmp = new BN(null); tmp.words = new Array(Math.ceil(this.n / 13)); return tmp; }; MPrime.prototype.ireduce = function ireduce (num) { // Assumes that `num` is less than `P^2` // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P) var r = num; var rlen; do { this.split(r, this.tmp); r = this.imulK(r); r = r.iadd(this.tmp); rlen = r.bitLength(); } while (rlen > this.n); var cmp = rlen < this.n ? -1 : r.ucmp(this.p); if (cmp === 0) { r.words[0] = 0; r.length = 1; } else if (cmp > 0) { r.isub(this.p); } else { if (r.strip !== undefined) { // r is a BN v4 instance r.strip(); } else { // r is a BN v5 instance r._strip(); } } return r; }; MPrime.prototype.split = function split (input, out) { input.iushrn(this.n, 0, out); }; MPrime.prototype.imulK = function imulK (num) { return num.imul(this.k); }; function K256 () { MPrime.call( this, 'k256', 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f'); } inherits(K256, MPrime); K256.prototype.split = function split (input, output) { // 256 = 9 * 26 + 22 var mask = 0x3fffff; var outLen = Math.min(input.length, 9); for (var i = 0; i < outLen; i++) { output.words[i] = input.words[i]; } output.length = outLen; if (input.length <= 9) { input.words[0] = 0; input.length = 1; return; } // Shift by 9 limbs var prev = input.words[9]; output.words[output.length++] = prev & mask; for (i = 10; i < input.length; i++) { var next = input.words[i] | 0; input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22); prev = next; } prev >>>= 22; input.words[i - 10] = prev; if (prev === 0 && input.length > 10) { input.length -= 10; } else { input.length -= 9; } }; K256.prototype.imulK = function imulK (num) { // K = 0x1000003d1 = [ 0x40, 0x3d1 ] num.words[num.length] = 0; num.words[num.length + 1] = 0; num.length += 2; // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390 var lo = 0; for (var i = 0; i < num.length; i++) { var w = num.words[i] | 0; lo += w * 0x3d1; num.words[i] = lo & 0x3ffffff; lo = w * 0x40 + ((lo / 0x4000000) | 0); } // Fast length reduction if (num.words[num.length - 1] === 0) { num.length--; if (num.words[num.length - 1] === 0) { num.length--; } } return num; }; function P224 () { MPrime.call( this, 'p224', 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001'); } inherits(P224, MPrime); function P192 () { MPrime.call( this, 'p192', 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff'); } inherits(P192, MPrime); function P25519 () { // 2 ^ 255 - 19 MPrime.call( this, '25519', '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed'); } inherits(P25519, MPrime); P25519.prototype.imulK = function imulK (num) { // K = 0x13 var carry = 0; for (var i = 0; i < num.length; i++) { var hi = (num.words[i] | 0) * 0x13 + carry; var lo = hi & 0x3ffffff; hi >>>= 26; num.words[i] = lo; carry = hi; } if (carry !== 0) { num.words[num.length++] = carry; } return num; }; // Exported mostly for testing purposes, use plain name instead BN._prime = function prime (name) { // Cached version of prime if (primes[name]) return primes[name]; var prime; if (name === 'k256') { prime = new K256(); } else if (name === 'p224') { prime = new P224(); } else if (name === 'p192') { prime = new P192(); } else if (name === 'p25519') { prime = new P25519(); } else { throw new Error('Unknown prime ' + name); } primes[name] = prime; return prime; }; // // Base reduction engine // function Red (m) { if (typeof m === 'string') { var prime = BN._prime(m); this.m = prime.p; this.prime = prime; } else { assert(m.gtn(1), 'modulus must be greater than 1'); this.m = m; this.prime = null; } } Red.prototype._verify1 = function _verify1 (a) { assert(a.negative === 0, 'red works only with positives'); assert(a.red, 'red works only with red numbers'); }; Red.prototype._verify2 = function _verify2 (a, b) { assert((a.negative | b.negative) === 0, 'red works only with positives'); assert(a.red && a.red === b.red, 'red works only with red numbers'); }; Red.prototype.imod = function imod (a) { if (this.prime) return this.prime.ireduce(a)._forceRed(this); move(a, a.umod(this.m)._forceRed(this)); return a; }; Red.prototype.neg = function neg (a) { if (a.isZero()) { return a.clone(); } return this.m.sub(a)._forceRed(this); }; Red.prototype.add = function add (a, b) { this._verify2(a, b); var res = a.add(b); if (res.cmp(this.m) >= 0) { res.isub(this.m); } return res._forceRed(this); }; Red.prototype.iadd = function iadd (a, b) { this._verify2(a, b); var res = a.iadd(b); if (res.cmp(this.m) >= 0) { res.isub(this.m); } return res; }; Red.prototype.sub = function sub (a, b) { this._verify2(a, b); var res = a.sub(b); if (res.cmpn(0) < 0) { res.iadd(this.m); } return res._forceRed(this); }; Red.prototype.isub = function isub (a, b) { this._verify2(a, b); var res = a.isub(b); if (res.cmpn(0) < 0) { res.iadd(this.m); } return res; }; Red.prototype.shl = function shl (a, num) { this._verify1(a); return this.imod(a.ushln(num)); }; Red.prototype.imul = function imul (a, b) { this._verify2(a, b); return this.imod(a.imul(b)); }; Red.prototype.mul = function mul (a, b) { this._verify2(a, b); return this.imod(a.mul(b)); }; Red.prototype.isqr = function isqr (a) { return this.imul(a, a.clone()); }; Red.prototype.sqr = function sqr (a) { return this.mul(a, a); }; Red.prototype.sqrt = function sqrt (a) { if (a.isZero()) return a.clone(); var mod3 = this.m.andln(3); assert(mod3 % 2 === 1); // Fast case if (mod3 === 3) { var pow = this.m.add(new BN(1)).iushrn(2); return this.pow(a, pow); } // Tonelli-Shanks algorithm (Totally unoptimized and slow) // // Find Q and S, that Q * 2 ^ S = (P - 1) var q = this.m.subn(1); var s = 0; while (!q.isZero() && q.andln(1) === 0) { s++; q.iushrn(1); } assert(!q.isZero()); var one = new BN(1).toRed(this); var nOne = one.redNeg(); // Find quadratic non-residue // NOTE: Max is such because of generalized Riemann hypothesis. var lpow = this.m.subn(1).iushrn(1); var z = this.m.bitLength(); z = new BN(2 * z * z).toRed(this); while (this.pow(z, lpow).cmp(nOne) !== 0) { z.redIAdd(nOne); } var c = this.pow(z, q); var r = this.pow(a, q.addn(1).iushrn(1)); var t = this.pow(a, q); var m = s; while (t.cmp(one) !== 0) { var tmp = t; for (var i = 0; tmp.cmp(one) !== 0; i++) { tmp = tmp.redSqr(); } assert(i < m); var b = this.pow(c, new BN(1).iushln(m - i - 1)); r = r.redMul(b); c = b.redSqr(); t = t.redMul(c); m = i; } return r; }; Red.prototype.invm = function invm (a) { var inv = a._invmp(this.m); if (inv.negative !== 0) { inv.negative = 0; return this.imod(inv).redNeg(); } else { return this.imod(inv); } }; Red.prototype.pow = function pow (a, num) { if (num.isZero()) return new BN(1).toRed(this); if (num.cmpn(1) === 0) return a.clone(); var windowSize = 4; var wnd = new Array(1 << windowSize); wnd[0] = new BN(1).toRed(this); wnd[1] = a; for (var i = 2; i < wnd.length; i++) { wnd[i] = this.mul(wnd[i - 1], a); } var res = wnd[0]; var current = 0; var currentLen = 0; var start = num.bitLength() % 26; if (start === 0) { start = 26; } for (i = num.length - 1; i >= 0; i--) { var word = num.words[i]; for (var j = start - 1; j >= 0; j--) { var bit = (word >> j) & 1; if (res !== wnd[0]) { res = this.sqr(res); } if (bit === 0 && current === 0) { currentLen = 0; continue; } current <<= 1; current |= bit; currentLen++; if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue; res = this.mul(res, wnd[current]); currentLen = 0; current = 0; } start = 26; } return res; }; Red.prototype.convertTo = function convertTo (num) { var r = num.umod(this.m); return r === num ? r.clone() : r; }; Red.prototype.convertFrom = function convertFrom (num) { var res = num.clone(); res.red = null; return res; }; // // Montgomery method engine // BN.mont = function mont (num) { return new Mont(num); }; function Mont (m) { Red.call(this, m); this.shift = this.m.bitLength(); if (this.shift % 26 !== 0) { this.shift += 26 - (this.shift % 26); } this.r = new BN(1).iushln(this.shift); this.r2 = this.imod(this.r.sqr()); this.rinv = this.r._invmp(this.m); this.minv = this.rinv.mul(this.r).isubn(1).div(this.m); this.minv = this.minv.umod(this.r); this.minv = this.r.sub(this.minv); } inherits(Mont, Red); Mont.prototype.convertTo = function convertTo (num) { return this.imod(num.ushln(this.shift)); }; Mont.prototype.convertFrom = function convertFrom (num) { var r = this.imod(num.mul(this.rinv)); r.red = null; return r; }; Mont.prototype.imul = function imul (a, b) { if (a.isZero() || b.isZero()) { a.words[0] = 0; a.length = 1; return a; } var t = a.imul(b); var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); var u = t.isub(c).iushrn(this.shift); var res = u; if (u.cmp(this.m) >= 0) { res = u.isub(this.m); } else if (u.cmpn(0) < 0) { res = u.iadd(this.m); } return res._forceRed(this); }; Mont.prototype.mul = function mul (a, b) { if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this); var t = a.mul(b); var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); var u = t.isub(c).iushrn(this.shift); var res = u; if (u.cmp(this.m) >= 0) { res = u.isub(this.m); } else if (u.cmpn(0) < 0) { res = u.iadd(this.m); } return res._forceRed(this); }; Mont.prototype.invm = function invm (a) { // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R var res = this.imod(a._invmp(this.m).mul(this.r2)); return res._forceRed(this); }; })( false || module, this); /***/ }), /***/ "../../node_modules/brorand/index.js": /*!*******************************************!*\ !*** ../../node_modules/brorand/index.js ***! \*******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var r; module.exports = function rand(len) { if (!r) r = new Rand(null); return r.generate(len); }; function Rand(rand) { this.rand = rand; } module.exports.Rand = Rand; Rand.prototype.generate = function generate(len) { return this._rand(len); }; // Emulate crypto API using randy Rand.prototype._rand = function _rand(n) { if (this.rand.getBytes) return this.rand.getBytes(n); var res = new Uint8Array(n); for (var i = 0; i < res.length; i++) res[i] = this.rand.getByte(); return res; }; if (typeof self === 'object') { if (self.crypto && self.crypto.getRandomValues) { // Modern browsers Rand.prototype._rand = function _rand(n) { var arr = new Uint8Array(n); self.crypto.getRandomValues(arr); return arr; }; } else if (self.msCrypto && self.msCrypto.getRandomValues) { // IE Rand.prototype._rand = function _rand(n) { var arr = new Uint8Array(n); self.msCrypto.getRandomValues(arr); return arr; }; // Safari's WebWorkers do not have `crypto` } else if (typeof window === 'object') { // Old junk Rand.prototype._rand = function() { throw new Error('Not implemented yet'); }; } } else { // Node.js or Web worker with no crypto support try { var crypto = __webpack_require__(/*! crypto */ "?0749"); if (typeof crypto.randomBytes !== 'function') throw new Error('Not supported'); Rand.prototype._rand = function _rand(n) { return crypto.randomBytes(n); }; } catch (e) { } } /***/ }), /***/ "../../node_modules/browserify-aes/aes.js": /*!************************************************!*\ !*** ../../node_modules/browserify-aes/aes.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { // based on the aes implimentation in triple sec // https://github.com/keybase/triplesec // which is in turn based on the one from crypto-js // https://code.google.com/p/crypto-js/ var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) function asUInt32Array (buf) { if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf) var len = (buf.length / 4) | 0 var out = new Array(len) for (var i = 0; i < len; i++) { out[i] = buf.readUInt32BE(i * 4) } return out } function scrubVec (v) { for (var i = 0; i < v.length; v++) { v[i] = 0 } } function cryptBlock (M, keySchedule, SUB_MIX, SBOX, nRounds) { var SUB_MIX0 = SUB_MIX[0] var SUB_MIX1 = SUB_MIX[1] var SUB_MIX2 = SUB_MIX[2] var SUB_MIX3 = SUB_MIX[3] var s0 = M[0] ^ keySchedule[0] var s1 = M[1] ^ keySchedule[1] var s2 = M[2] ^ keySchedule[2] var s3 = M[3] ^ keySchedule[3] var t0, t1, t2, t3 var ksRow = 4 for (var round = 1; round < nRounds; round++) { t0 = SUB_MIX0[s0 >>> 24] ^ SUB_MIX1[(s1 >>> 16) & 0xff] ^ SUB_MIX2[(s2 >>> 8) & 0xff] ^ SUB_MIX3[s3 & 0xff] ^ keySchedule[ksRow++] t1 = SUB_MIX0[s1 >>> 24] ^ SUB_MIX1[(s2 >>> 16) & 0xff] ^ SUB_MIX2[(s3 >>> 8) & 0xff] ^ SUB_MIX3[s0 & 0xff] ^ keySchedule[ksRow++] t2 = SUB_MIX0[s2 >>> 24] ^ SUB_MIX1[(s3 >>> 16) & 0xff] ^ SUB_MIX2[(s0 >>> 8) & 0xff] ^ SUB_MIX3[s1 & 0xff] ^ keySchedule[ksRow++] t3 = SUB_MIX0[s3 >>> 24] ^ SUB_MIX1[(s0 >>> 16) & 0xff] ^ SUB_MIX2[(s1 >>> 8) & 0xff] ^ SUB_MIX3[s2 & 0xff] ^ keySchedule[ksRow++] s0 = t0 s1 = t1 s2 = t2 s3 = t3 } t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++] t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++] t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++] t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++] t0 = t0 >>> 0 t1 = t1 >>> 0 t2 = t2 >>> 0 t3 = t3 >>> 0 return [t0, t1, t2, t3] } // AES constants var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36] var G = (function () { // Compute double table var d = new Array(256) for (var j = 0; j < 256; j++) { if (j < 128) { d[j] = j << 1 } else { d[j] = (j << 1) ^ 0x11b } } var SBOX = [] var INV_SBOX = [] var SUB_MIX = [[], [], [], []] var INV_SUB_MIX = [[], [], [], []] // Walk GF(2^8) var x = 0 var xi = 0 for (var i = 0; i < 256; ++i) { // Compute sbox var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4) sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63 SBOX[x] = sx INV_SBOX[sx] = x // Compute multiplication var x2 = d[x] var x4 = d[x2] var x8 = d[x4] // Compute sub bytes, mix columns tables var t = (d[sx] * 0x101) ^ (sx * 0x1010100) SUB_MIX[0][x] = (t << 24) | (t >>> 8) SUB_MIX[1][x] = (t << 16) | (t >>> 16) SUB_MIX[2][x] = (t << 8) | (t >>> 24) SUB_MIX[3][x] = t // Compute inv sub bytes, inv mix columns tables t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100) INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8) INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16) INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24) INV_SUB_MIX[3][sx] = t if (x === 0) { x = xi = 1 } else { x = x2 ^ d[d[d[x8 ^ x2]]] xi ^= d[d[xi]] } } return { SBOX: SBOX, INV_SBOX: INV_SBOX, SUB_MIX: SUB_MIX, INV_SUB_MIX: INV_SUB_MIX } })() function AES (key) { this._key = asUInt32Array(key) this._reset() } AES.blockSize = 4 * 4 AES.keySize = 256 / 8 AES.prototype.blockSize = AES.blockSize AES.prototype.keySize = AES.keySize AES.prototype._reset = function () { var keyWords = this._key var keySize = keyWords.length var nRounds = keySize + 6 var ksRows = (nRounds + 1) * 4 var keySchedule = [] for (var k = 0; k < keySize; k++) { keySchedule[k] = keyWords[k] } for (k = keySize; k < ksRows; k++) { var t = keySchedule[k - 1] if (k % keySize === 0) { t = (t << 8) | (t >>> 24) t = (G.SBOX[t >>> 24] << 24) | (G.SBOX[(t >>> 16) & 0xff] << 16) | (G.SBOX[(t >>> 8) & 0xff] << 8) | (G.SBOX[t & 0xff]) t ^= RCON[(k / keySize) | 0] << 24 } else if (keySize > 6 && k % keySize === 4) { t = (G.SBOX[t >>> 24] << 24) | (G.SBOX[(t >>> 16) & 0xff] << 16) | (G.SBOX[(t >>> 8) & 0xff] << 8) | (G.SBOX[t & 0xff]) } keySchedule[k] = keySchedule[k - keySize] ^ t } var invKeySchedule = [] for (var ik = 0; ik < ksRows; ik++) { var ksR = ksRows - ik var tt = keySchedule[ksR - (ik % 4 ? 0 : 4)] if (ik < 4 || ksR <= 4) { invKeySchedule[ik] = tt } else { invKeySchedule[ik] = G.INV_SUB_MIX[0][G.SBOX[tt >>> 24]] ^ G.INV_SUB_MIX[1][G.SBOX[(tt >>> 16) & 0xff]] ^ G.INV_SUB_MIX[2][G.SBOX[(tt >>> 8) & 0xff]] ^ G.INV_SUB_MIX[3][G.SBOX[tt & 0xff]] } } this._nRounds = nRounds this._keySchedule = keySchedule this._invKeySchedule = invKeySchedule } AES.prototype.encryptBlockRaw = function (M) { M = asUInt32Array(M) return cryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX, this._nRounds) } AES.prototype.encryptBlock = function (M) { var out = this.encryptBlockRaw(M) var buf = Buffer.allocUnsafe(16) buf.writeUInt32BE(out[0], 0) buf.writeUInt32BE(out[1], 4) buf.writeUInt32BE(out[2], 8) buf.writeUInt32BE(out[3], 12) return buf } AES.prototype.decryptBlock = function (M) { M = asUInt32Array(M) // swap var m1 = M[1] M[1] = M[3] M[3] = m1 var out = cryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX, this._nRounds) var buf = Buffer.allocUnsafe(16) buf.writeUInt32BE(out[0], 0) buf.writeUInt32BE(out[3], 4) buf.writeUInt32BE(out[2], 8) buf.writeUInt32BE(out[1], 12) return buf } AES.prototype.scrub = function () { scrubVec(this._keySchedule) scrubVec(this._invKeySchedule) scrubVec(this._key) } module.exports.AES = AES /***/ }), /***/ "../../node_modules/browserify-aes/authCipher.js": /*!*******************************************************!*\ !*** ../../node_modules/browserify-aes/authCipher.js ***! \*******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var aes = __webpack_require__(/*! ./aes */ "../../node_modules/browserify-aes/aes.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var Transform = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") var GHASH = __webpack_require__(/*! ./ghash */ "../../node_modules/browserify-aes/ghash.js") var xor = __webpack_require__(/*! buffer-xor */ "../../node_modules/buffer-xor/index.js") var incr32 = __webpack_require__(/*! ./incr32 */ "../../node_modules/browserify-aes/incr32.js") function xorTest (a, b) { var out = 0 if (a.length !== b.length) out++ var len = Math.min(a.length, b.length) for (var i = 0; i < len; ++i) { out += (a[i] ^ b[i]) } return out } function calcIv (self, iv, ck) { if (iv.length === 12) { self._finID = Buffer.concat([iv, Buffer.from([0, 0, 0, 1])]) return Buffer.concat([iv, Buffer.from([0, 0, 0, 2])]) } var ghash = new GHASH(ck) var len = iv.length var toPad = len % 16 ghash.update(iv) if (toPad) { toPad = 16 - toPad ghash.update(Buffer.alloc(toPad, 0)) } ghash.update(Buffer.alloc(8, 0)) var ivBits = len * 8 var tail = Buffer.alloc(8) tail.writeUIntBE(ivBits, 0, 8) ghash.update(tail) self._finID = ghash.state var out = Buffer.from(self._finID) incr32(out) return out } function StreamCipher (mode, key, iv, decrypt) { Transform.call(this) var h = Buffer.alloc(4, 0) this._cipher = new aes.AES(key) var ck = this._cipher.encryptBlock(h) this._ghash = new GHASH(ck) iv = calcIv(this, iv, ck) this._prev = Buffer.from(iv) this._cache = Buffer.allocUnsafe(0) this._secCache = Buffer.allocUnsafe(0) this._decrypt = decrypt this._alen = 0 this._len = 0 this._mode = mode this._authTag = null this._called = false } inherits(StreamCipher, Transform) StreamCipher.prototype._update = function (chunk) { if (!this._called && this._alen) { var rump = 16 - (this._alen % 16) if (rump < 16) { rump = Buffer.alloc(rump, 0) this._ghash.update(rump) } } this._called = true var out = this._mode.encrypt(this, chunk) if (this._decrypt) { this._ghash.update(chunk) } else { this._ghash.update(out) } this._len += chunk.length return out } StreamCipher.prototype._final = function () { if (this._decrypt && !this._authTag) throw new Error('Unsupported state or unable to authenticate data') var tag = xor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID)) if (this._decrypt && xorTest(tag, this._authTag)) throw new Error('Unsupported state or unable to authenticate data') this._authTag = tag this._cipher.scrub() } StreamCipher.prototype.getAuthTag = function getAuthTag () { if (this._decrypt || !Buffer.isBuffer(this._authTag)) throw new Error('Attempting to get auth tag in unsupported state') return this._authTag } StreamCipher.prototype.setAuthTag = function setAuthTag (tag) { if (!this._decrypt) throw new Error('Attempting to set auth tag in unsupported state') this._authTag = tag } StreamCipher.prototype.setAAD = function setAAD (buf) { if (this._called) throw new Error('Attempting to set AAD in unsupported state') this._ghash.update(buf) this._alen += buf.length } module.exports = StreamCipher /***/ }), /***/ "../../node_modules/browserify-aes/browser.js": /*!****************************************************!*\ !*** ../../node_modules/browserify-aes/browser.js ***! \****************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var ciphers = __webpack_require__(/*! ./encrypter */ "../../node_modules/browserify-aes/encrypter.js") var deciphers = __webpack_require__(/*! ./decrypter */ "../../node_modules/browserify-aes/decrypter.js") var modes = __webpack_require__(/*! ./modes/list.json */ "../../node_modules/browserify-aes/modes/list.json") function getCiphers () { return Object.keys(modes) } exports.createCipher = exports.Cipher = ciphers.createCipher exports.createCipheriv = exports.Cipheriv = ciphers.createCipheriv exports.createDecipher = exports.Decipher = deciphers.createDecipher exports.createDecipheriv = exports.Decipheriv = deciphers.createDecipheriv exports.listCiphers = exports.getCiphers = getCiphers /***/ }), /***/ "../../node_modules/browserify-aes/decrypter.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/decrypter.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var AuthCipher = __webpack_require__(/*! ./authCipher */ "../../node_modules/browserify-aes/authCipher.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var MODES = __webpack_require__(/*! ./modes */ "../../node_modules/browserify-aes/modes/index.js") var StreamCipher = __webpack_require__(/*! ./streamCipher */ "../../node_modules/browserify-aes/streamCipher.js") var Transform = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var aes = __webpack_require__(/*! ./aes */ "../../node_modules/browserify-aes/aes.js") var ebtk = __webpack_require__(/*! evp_bytestokey */ "../../node_modules/evp_bytestokey/index.js") var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") function Decipher (mode, key, iv) { Transform.call(this) this._cache = new Splitter() this._last = void 0 this._cipher = new aes.AES(key) this._prev = Buffer.from(iv) this._mode = mode this._autopadding = true } inherits(Decipher, Transform) Decipher.prototype._update = function (data) { this._cache.add(data) var chunk var thing var out = [] while ((chunk = this._cache.get(this._autopadding))) { thing = this._mode.decrypt(this, chunk) out.push(thing) } return Buffer.concat(out) } Decipher.prototype._final = function () { var chunk = this._cache.flush() if (this._autopadding) { return unpad(this._mode.decrypt(this, chunk)) } else if (chunk) { throw new Error('data not multiple of block length') } } Decipher.prototype.setAutoPadding = function (setTo) { this._autopadding = !!setTo return this } function Splitter () { this.cache = Buffer.allocUnsafe(0) } Splitter.prototype.add = function (data) { this.cache = Buffer.concat([this.cache, data]) } Splitter.prototype.get = function (autoPadding) { var out if (autoPadding) { if (this.cache.length > 16) { out = this.cache.slice(0, 16) this.cache = this.cache.slice(16) return out } } else { if (this.cache.length >= 16) { out = this.cache.slice(0, 16) this.cache = this.cache.slice(16) return out } } return null } Splitter.prototype.flush = function () { if (this.cache.length) return this.cache } function unpad (last) { var padded = last[15] if (padded < 1 || padded > 16) { throw new Error('unable to decrypt data') } var i = -1 while (++i < padded) { if (last[(i + (16 - padded))] !== padded) { throw new Error('unable to decrypt data') } } if (padded === 16) return return last.slice(0, 16 - padded) } function createDecipheriv (suite, password, iv) { var config = MODES[suite.toLowerCase()] if (!config) throw new TypeError('invalid suite type') if (typeof iv === 'string') iv = Buffer.from(iv) if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length) if (typeof password === 'string') password = Buffer.from(password) if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length) if (config.type === 'stream') { return new StreamCipher(config.module, password, iv, true) } else if (config.type === 'auth') { return new AuthCipher(config.module, password, iv, true) } return new Decipher(config.module, password, iv) } function createDecipher (suite, password) { var config = MODES[suite.toLowerCase()] if (!config) throw new TypeError('invalid suite type') var keys = ebtk(password, false, config.key, config.iv) return createDecipheriv(suite, keys.key, keys.iv) } exports.createDecipher = createDecipher exports.createDecipheriv = createDecipheriv /***/ }), /***/ "../../node_modules/browserify-aes/encrypter.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/encrypter.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var MODES = __webpack_require__(/*! ./modes */ "../../node_modules/browserify-aes/modes/index.js") var AuthCipher = __webpack_require__(/*! ./authCipher */ "../../node_modules/browserify-aes/authCipher.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var StreamCipher = __webpack_require__(/*! ./streamCipher */ "../../node_modules/browserify-aes/streamCipher.js") var Transform = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var aes = __webpack_require__(/*! ./aes */ "../../node_modules/browserify-aes/aes.js") var ebtk = __webpack_require__(/*! evp_bytestokey */ "../../node_modules/evp_bytestokey/index.js") var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") function Cipher (mode, key, iv) { Transform.call(this) this._cache = new Splitter() this._cipher = new aes.AES(key) this._prev = Buffer.from(iv) this._mode = mode this._autopadding = true } inherits(Cipher, Transform) Cipher.prototype._update = function (data) { this._cache.add(data) var chunk var thing var out = [] while ((chunk = this._cache.get())) { thing = this._mode.encrypt(this, chunk) out.push(thing) } return Buffer.concat(out) } var PADDING = Buffer.alloc(16, 0x10) Cipher.prototype._final = function () { var chunk = this._cache.flush() if (this._autopadding) { chunk = this._mode.encrypt(this, chunk) this._cipher.scrub() return chunk } if (!chunk.equals(PADDING)) { this._cipher.scrub() throw new Error('data not multiple of block length') } } Cipher.prototype.setAutoPadding = function (setTo) { this._autopadding = !!setTo return this } function Splitter () { this.cache = Buffer.allocUnsafe(0) } Splitter.prototype.add = function (data) { this.cache = Buffer.concat([this.cache, data]) } Splitter.prototype.get = function () { if (this.cache.length > 15) { var out = this.cache.slice(0, 16) this.cache = this.cache.slice(16) return out } return null } Splitter.prototype.flush = function () { var len = 16 - this.cache.length var padBuff = Buffer.allocUnsafe(len) var i = -1 while (++i < len) { padBuff.writeUInt8(len, i) } return Buffer.concat([this.cache, padBuff]) } function createCipheriv (suite, password, iv) { var config = MODES[suite.toLowerCase()] if (!config) throw new TypeError('invalid suite type') if (typeof password === 'string') password = Buffer.from(password) if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length) if (typeof iv === 'string') iv = Buffer.from(iv) if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length) if (config.type === 'stream') { return new StreamCipher(config.module, password, iv) } else if (config.type === 'auth') { return new AuthCipher(config.module, password, iv) } return new Cipher(config.module, password, iv) } function createCipher (suite, password) { var config = MODES[suite.toLowerCase()] if (!config) throw new TypeError('invalid suite type') var keys = ebtk(password, false, config.key, config.iv) return createCipheriv(suite, keys.key, keys.iv) } exports.createCipheriv = createCipheriv exports.createCipher = createCipher /***/ }), /***/ "../../node_modules/browserify-aes/ghash.js": /*!**************************************************!*\ !*** ../../node_modules/browserify-aes/ghash.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var ZEROES = Buffer.alloc(16, 0) function toArray (buf) { return [ buf.readUInt32BE(0), buf.readUInt32BE(4), buf.readUInt32BE(8), buf.readUInt32BE(12) ] } function fromArray (out) { var buf = Buffer.allocUnsafe(16) buf.writeUInt32BE(out[0] >>> 0, 0) buf.writeUInt32BE(out[1] >>> 0, 4) buf.writeUInt32BE(out[2] >>> 0, 8) buf.writeUInt32BE(out[3] >>> 0, 12) return buf } function GHASH (key) { this.h = key this.state = Buffer.alloc(16, 0) this.cache = Buffer.allocUnsafe(0) } // from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html // by Juho Vähä-Herttua GHASH.prototype.ghash = function (block) { var i = -1 while (++i < block.length) { this.state[i] ^= block[i] } this._multiply() } GHASH.prototype._multiply = function () { var Vi = toArray(this.h) var Zi = [0, 0, 0, 0] var j, xi, lsbVi var i = -1 while (++i < 128) { xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0 if (xi) { // Z_i+1 = Z_i ^ V_i Zi[0] ^= Vi[0] Zi[1] ^= Vi[1] Zi[2] ^= Vi[2] Zi[3] ^= Vi[3] } // Store the value of LSB(V_i) lsbVi = (Vi[3] & 1) !== 0 // V_i+1 = V_i >> 1 for (j = 3; j > 0; j--) { Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31) } Vi[0] = Vi[0] >>> 1 // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R if (lsbVi) { Vi[0] = Vi[0] ^ (0xe1 << 24) } } this.state = fromArray(Zi) } GHASH.prototype.update = function (buf) { this.cache = Buffer.concat([this.cache, buf]) var chunk while (this.cache.length >= 16) { chunk = this.cache.slice(0, 16) this.cache = this.cache.slice(16) this.ghash(chunk) } } GHASH.prototype.final = function (abl, bl) { if (this.cache.length) { this.ghash(Buffer.concat([this.cache, ZEROES], 16)) } this.ghash(fromArray([0, abl, 0, bl])) return this.state } module.exports = GHASH /***/ }), /***/ "../../node_modules/browserify-aes/incr32.js": /*!***************************************************!*\ !*** ../../node_modules/browserify-aes/incr32.js ***! \***************************************************/ /***/ ((module) => { function incr32 (iv) { var len = iv.length var item while (len--) { item = iv.readUInt8(len) if (item === 255) { iv.writeUInt8(0, len) } else { item++ iv.writeUInt8(item, len) break } } } module.exports = incr32 /***/ }), /***/ "../../node_modules/browserify-aes/modes/cbc.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/cbc.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var xor = __webpack_require__(/*! buffer-xor */ "../../node_modules/buffer-xor/index.js") exports.encrypt = function (self, block) { var data = xor(block, self._prev) self._prev = self._cipher.encryptBlock(data) return self._prev } exports.decrypt = function (self, block) { var pad = self._prev self._prev = block var out = self._cipher.decryptBlock(block) return xor(out, pad) } /***/ }), /***/ "../../node_modules/browserify-aes/modes/cfb.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/cfb.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var xor = __webpack_require__(/*! buffer-xor */ "../../node_modules/buffer-xor/index.js") function encryptStart (self, data, decrypt) { var len = data.length var out = xor(data, self._cache) self._cache = self._cache.slice(len) self._prev = Buffer.concat([self._prev, decrypt ? data : out]) return out } exports.encrypt = function (self, data, decrypt) { var out = Buffer.allocUnsafe(0) var len while (data.length) { if (self._cache.length === 0) { self._cache = self._cipher.encryptBlock(self._prev) self._prev = Buffer.allocUnsafe(0) } if (self._cache.length <= data.length) { len = self._cache.length out = Buffer.concat([out, encryptStart(self, data.slice(0, len), decrypt)]) data = data.slice(len) } else { out = Buffer.concat([out, encryptStart(self, data, decrypt)]) break } } return out } /***/ }), /***/ "../../node_modules/browserify-aes/modes/cfb1.js": /*!*******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/cfb1.js ***! \*******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) function encryptByte (self, byteParam, decrypt) { var pad var i = -1 var len = 8 var out = 0 var bit, value while (++i < len) { pad = self._cipher.encryptBlock(self._prev) bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0 value = pad[0] ^ bit out += ((value & 0x80) >> (i % 8)) self._prev = shiftIn(self._prev, decrypt ? bit : value) } return out } function shiftIn (buffer, value) { var len = buffer.length var i = -1 var out = Buffer.allocUnsafe(buffer.length) buffer = Buffer.concat([buffer, Buffer.from([value])]) while (++i < len) { out[i] = buffer[i] << 1 | buffer[i + 1] >> (7) } return out } exports.encrypt = function (self, chunk, decrypt) { var len = chunk.length var out = Buffer.allocUnsafe(len) var i = -1 while (++i < len) { out[i] = encryptByte(self, chunk[i], decrypt) } return out } /***/ }), /***/ "../../node_modules/browserify-aes/modes/cfb8.js": /*!*******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/cfb8.js ***! \*******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) function encryptByte (self, byteParam, decrypt) { var pad = self._cipher.encryptBlock(self._prev) var out = pad[0] ^ byteParam self._prev = Buffer.concat([ self._prev.slice(1), Buffer.from([decrypt ? byteParam : out]) ]) return out } exports.encrypt = function (self, chunk, decrypt) { var len = chunk.length var out = Buffer.allocUnsafe(len) var i = -1 while (++i < len) { out[i] = encryptByte(self, chunk[i], decrypt) } return out } /***/ }), /***/ "../../node_modules/browserify-aes/modes/ctr.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/ctr.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var xor = __webpack_require__(/*! buffer-xor */ "../../node_modules/buffer-xor/index.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var incr32 = __webpack_require__(/*! ../incr32 */ "../../node_modules/browserify-aes/incr32.js") function getBlock (self) { var out = self._cipher.encryptBlockRaw(self._prev) incr32(self._prev) return out } var blockSize = 16 exports.encrypt = function (self, chunk) { var chunkNum = Math.ceil(chunk.length / blockSize) var start = self._cache.length self._cache = Buffer.concat([ self._cache, Buffer.allocUnsafe(chunkNum * blockSize) ]) for (var i = 0; i < chunkNum; i++) { var out = getBlock(self) var offset = start + i * blockSize self._cache.writeUInt32BE(out[0], offset + 0) self._cache.writeUInt32BE(out[1], offset + 4) self._cache.writeUInt32BE(out[2], offset + 8) self._cache.writeUInt32BE(out[3], offset + 12) } var pad = self._cache.slice(0, chunk.length) self._cache = self._cache.slice(chunk.length) return xor(chunk, pad) } /***/ }), /***/ "../../node_modules/browserify-aes/modes/ecb.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/ecb.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports) => { exports.encrypt = function (self, block) { return self._cipher.encryptBlock(block) } exports.decrypt = function (self, block) { return self._cipher.decryptBlock(block) } /***/ }), /***/ "../../node_modules/browserify-aes/modes/index.js": /*!********************************************************!*\ !*** ../../node_modules/browserify-aes/modes/index.js ***! \********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var modeModules = { ECB: __webpack_require__(/*! ./ecb */ "../../node_modules/browserify-aes/modes/ecb.js"), CBC: __webpack_require__(/*! ./cbc */ "../../node_modules/browserify-aes/modes/cbc.js"), CFB: __webpack_require__(/*! ./cfb */ "../../node_modules/browserify-aes/modes/cfb.js"), CFB8: __webpack_require__(/*! ./cfb8 */ "../../node_modules/browserify-aes/modes/cfb8.js"), CFB1: __webpack_require__(/*! ./cfb1 */ "../../node_modules/browserify-aes/modes/cfb1.js"), OFB: __webpack_require__(/*! ./ofb */ "../../node_modules/browserify-aes/modes/ofb.js"), CTR: __webpack_require__(/*! ./ctr */ "../../node_modules/browserify-aes/modes/ctr.js"), GCM: __webpack_require__(/*! ./ctr */ "../../node_modules/browserify-aes/modes/ctr.js") } var modes = __webpack_require__(/*! ./list.json */ "../../node_modules/browserify-aes/modes/list.json") for (var key in modes) { modes[key].module = modeModules[modes[key].mode] } module.exports = modes /***/ }), /***/ "../../node_modules/browserify-aes/modes/ofb.js": /*!******************************************************!*\ !*** ../../node_modules/browserify-aes/modes/ofb.js ***! \******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; var xor = __webpack_require__(/*! buffer-xor */ "../../node_modules/buffer-xor/index.js") function getBlock (self) { self._prev = self._cipher.encryptBlock(self._prev) return self._prev } exports.encrypt = function (self, chunk) { while (self._cache.length < chunk.length) { self._cache = Buffer.concat([self._cache, getBlock(self)]) } var pad = self._cache.slice(0, chunk.length) self._cache = self._cache.slice(chunk.length) return xor(chunk, pad) } /***/ }), /***/ "../../node_modules/browserify-aes/streamCipher.js": /*!*********************************************************!*\ !*** ../../node_modules/browserify-aes/streamCipher.js ***! \*********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var aes = __webpack_require__(/*! ./aes */ "../../node_modules/browserify-aes/aes.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var Transform = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") function StreamCipher (mode, key, iv, decrypt) { Transform.call(this) this._cipher = new aes.AES(key) this._prev = Buffer.from(iv) this._cache = Buffer.allocUnsafe(0) this._secCache = Buffer.allocUnsafe(0) this._decrypt = decrypt this._mode = mode } inherits(StreamCipher, Transform) StreamCipher.prototype._update = function (chunk) { return this._mode.encrypt(this, chunk, this._decrypt) } StreamCipher.prototype._final = function () { this._cipher.scrub() } module.exports = StreamCipher /***/ }), /***/ "../../node_modules/browserify-cipher/browser.js": /*!*******************************************************!*\ !*** ../../node_modules/browserify-cipher/browser.js ***! \*******************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var DES = __webpack_require__(/*! browserify-des */ "../../node_modules/browserify-des/index.js") var aes = __webpack_require__(/*! browserify-aes/browser */ "../../node_modules/browserify-aes/browser.js") var aesModes = __webpack_require__(/*! browserify-aes/modes */ "../../node_modules/browserify-aes/modes/index.js") var desModes = __webpack_require__(/*! browserify-des/modes */ "../../node_modules/browserify-des/modes.js") var ebtk = __webpack_require__(/*! evp_bytestokey */ "../../node_modules/evp_bytestokey/index.js") function createCipher (suite, password) { suite = suite.toLowerCase() var keyLen, ivLen if (aesModes[suite]) { keyLen = aesModes[suite].key ivLen = aesModes[suite].iv } else if (desModes[suite]) { keyLen = desModes[suite].key * 8 ivLen = desModes[suite].iv } else { throw new TypeError('invalid suite type') } var keys = ebtk(password, false, keyLen, ivLen) return createCipheriv(suite, keys.key, keys.iv) } function createDecipher (suite, password) { suite = suite.toLowerCase() var keyLen, ivLen if (aesModes[suite]) { keyLen = aesModes[suite].key ivLen = aesModes[suite].iv } else if (desModes[suite]) { keyLen = desModes[suite].key * 8 ivLen = desModes[suite].iv } else { throw new TypeError('invalid suite type') } var keys = ebtk(password, false, keyLen, ivLen) return createDecipheriv(suite, keys.key, keys.iv) } function createCipheriv (suite, key, iv) { suite = suite.toLowerCase() if (aesModes[suite]) return aes.createCipheriv(suite, key, iv) if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite }) throw new TypeError('invalid suite type') } function createDecipheriv (suite, key, iv) { suite = suite.toLowerCase() if (aesModes[suite]) return aes.createDecipheriv(suite, key, iv) if (desModes[suite]) return new DES({ key: key, iv: iv, mode: suite, decrypt: true }) throw new TypeError('invalid suite type') } function getCiphers () { return Object.keys(desModes).concat(aes.getCiphers()) } exports.createCipher = exports.Cipher = createCipher exports.createCipheriv = exports.Cipheriv = createCipheriv exports.createDecipher = exports.Decipher = createDecipher exports.createDecipheriv = exports.Decipheriv = createDecipheriv exports.listCiphers = exports.getCiphers = getCiphers /***/ }), /***/ "../../node_modules/browserify-des/index.js": /*!**************************************************!*\ !*** ../../node_modules/browserify-des/index.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var CipherBase = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var des = __webpack_require__(/*! des.js */ "../../node_modules/des.js/lib/des.js") var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var modes = { 'des-ede3-cbc': des.CBC.instantiate(des.EDE), 'des-ede3': des.EDE, 'des-ede-cbc': des.CBC.instantiate(des.EDE), 'des-ede': des.EDE, 'des-cbc': des.CBC.instantiate(des.DES), 'des-ecb': des.DES } modes.des = modes['des-cbc'] modes.des3 = modes['des-ede3-cbc'] module.exports = DES inherits(DES, CipherBase) function DES (opts) { CipherBase.call(this) var modeName = opts.mode.toLowerCase() var mode = modes[modeName] var type if (opts.decrypt) { type = 'decrypt' } else { type = 'encrypt' } var key = opts.key if (!Buffer.isBuffer(key)) { key = Buffer.from(key) } if (modeName === 'des-ede' || modeName === 'des-ede-cbc') { key = Buffer.concat([key, key.slice(0, 8)]) } var iv = opts.iv if (!Buffer.isBuffer(iv)) { iv = Buffer.from(iv) } this._des = mode.create({ key: key, iv: iv, type: type }) } DES.prototype._update = function (data) { return Buffer.from(this._des.update(data)) } DES.prototype._final = function () { return Buffer.from(this._des.final()) } /***/ }), /***/ "../../node_modules/browserify-des/modes.js": /*!**************************************************!*\ !*** ../../node_modules/browserify-des/modes.js ***! \**************************************************/ /***/ ((__unused_webpack_module, exports) => { exports["des-ecb"] = { key: 8, iv: 0 } exports["des-cbc"] = exports.des = { key: 8, iv: 8 } exports["des-ede3-cbc"] = exports.des3 = { key: 24, iv: 8 } exports["des-ede3"] = { key: 24, iv: 0 } exports["des-ede-cbc"] = { key: 16, iv: 8 } exports["des-ede"] = { key: 16, iv: 0 } /***/ }), /***/ "../../node_modules/browserify-rsa/index.js": /*!**************************************************!*\ !*** ../../node_modules/browserify-rsa/index.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/bn.js/lib/bn.js") var randomBytes = __webpack_require__(/*! randombytes */ "../../node_modules/randombytes/browser.js") function blind (priv) { var r = getr(priv) var blinder = r.toRed(BN.mont(priv.modulus)).redPow(new BN(priv.publicExponent)).fromRed() return { blinder: blinder, unblinder: r.invm(priv.modulus) } } function getr (priv) { var len = priv.modulus.byteLength() var r do { r = new BN(randomBytes(len)) } while (r.cmp(priv.modulus) >= 0 || !r.umod(priv.prime1) || !r.umod(priv.prime2)) return r } function crt (msg, priv) { var blinds = blind(priv) var len = priv.modulus.byteLength() var blinded = new BN(msg).mul(blinds.blinder).umod(priv.modulus) var c1 = blinded.toRed(BN.mont(priv.prime1)) var c2 = blinded.toRed(BN.mont(priv.prime2)) var qinv = priv.coefficient var p = priv.prime1 var q = priv.prime2 var m1 = c1.redPow(priv.exponent1).fromRed() var m2 = c2.redPow(priv.exponent2).fromRed() var h = m1.isub(m2).imul(qinv).umod(p).imul(q) return m2.iadd(h).imul(blinds.unblinder).umod(priv.modulus).toArrayLike(Buffer, 'be', len) } crt.getr = getr module.exports = crt /***/ }), /***/ "../../node_modules/browserify-sign/algos.js": /*!***************************************************!*\ !*** ../../node_modules/browserify-sign/algos.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { module.exports = __webpack_require__(/*! ./browser/algorithms.json */ "../../node_modules/browserify-sign/browser/algorithms.json") /***/ }), /***/ "../../node_modules/browserify-sign/browser/index.js": /*!***********************************************************!*\ !*** ../../node_modules/browserify-sign/browser/index.js ***! \***********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var createHash = __webpack_require__(/*! create-hash */ "../../node_modules/create-hash/browser.js") var stream = __webpack_require__(/*! readable-stream */ "../../node_modules/readable-stream/readable-browser.js") var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") var sign = __webpack_require__(/*! ./sign */ "../../node_modules/browserify-sign/browser/sign.js") var verify = __webpack_require__(/*! ./verify */ "../../node_modules/browserify-sign/browser/verify.js") var algorithms = __webpack_require__(/*! ./algorithms.json */ "../../node_modules/browserify-sign/browser/algorithms.json") Object.keys(algorithms).forEach(function (key) { algorithms[key].id = Buffer.from(algorithms[key].id, 'hex') algorithms[key.toLowerCase()] = algorithms[key] }) function Sign (algorithm) { stream.Writable.call(this) var data = algorithms[algorithm] if (!data) throw new Error('Unknown message digest') this._hashType = data.hash this._hash = createHash(data.hash) this._tag = data.id this._signType = data.sign } inherits(Sign, stream.Writable) Sign.prototype._write = function _write (data, _, done) { this._hash.update(data) done() } Sign.prototype.update = function update (data, enc) { if (typeof data === 'string') data = Buffer.from(data, enc) this._hash.update(data) return this } Sign.prototype.sign = function signMethod (key, enc) { this.end() var hash = this._hash.digest() var sig = sign(hash, key, this._hashType, this._signType, this._tag) return enc ? sig.toString(enc) : sig } function Verify (algorithm) { stream.Writable.call(this) var data = algorithms[algorithm] if (!data) throw new Error('Unknown message digest') this._hash = createHash(data.hash) this._tag = data.id this._signType = data.sign } inherits(Verify, stream.Writable) Verify.prototype._write = function _write (data, _, done) { this._hash.update(data) done() } Verify.prototype.update = function update (data, enc) { if (typeof data === 'string') data = Buffer.from(data, enc) this._hash.update(data) return this } Verify.prototype.verify = function verifyMethod (key, sig, enc) { if (typeof sig === 'string') sig = Buffer.from(sig, enc) this.end() var hash = this._hash.digest() return verify(sig, hash, key, this._signType, this._tag) } function createSign (algorithm) { return new Sign(algorithm) } function createVerify (algorithm) { return new Verify(algorithm) } module.exports = { Sign: createSign, Verify: createVerify, createSign: createSign, createVerify: createVerify } /***/ }), /***/ "../../node_modules/browserify-sign/browser/sign.js": /*!**********************************************************!*\ !*** ../../node_modules/browserify-sign/browser/sign.js ***! \**********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { // much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var createHmac = __webpack_require__(/*! create-hmac */ "../../node_modules/create-hmac/browser.js") var crt = __webpack_require__(/*! browserify-rsa */ "../../node_modules/browserify-rsa/index.js") var EC = (__webpack_require__(/*! elliptic */ "../../node_modules/elliptic/lib/elliptic.js").ec) var BN = __webpack_require__(/*! bn.js */ "../../node_modules/bn.js/lib/bn.js") var parseKeys = __webpack_require__(/*! parse-asn1 */ "../../node_modules/parse-asn1/index.js") var curves = __webpack_require__(/*! ./curves.json */ "../../node_modules/browserify-sign/browser/curves.json") function sign (hash, key, hashType, signType, tag) { var priv = parseKeys(key) if (priv.curve) { // rsa keys can be interpreted as ecdsa ones in openssl if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type') return ecSign(hash, priv) } else if (priv.type === 'dsa') { if (signType !== 'dsa') throw new Error('wrong private key type') return dsaSign(hash, priv, hashType) } else { if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type') } hash = Buffer.concat([tag, hash]) var len = priv.modulus.byteLength() var pad = [0, 1] while (hash.length + pad.length + 1 < len) pad.push(0xff) pad.push(0x00) var i = -1 while (++i < hash.length) pad.push(hash[i]) var out = crt(pad, priv) return out } function ecSign (hash, priv) { var curveId = curves[priv.curve.join('.')] if (!curveId) throw new Error('unknown curve ' + priv.curve.join('.')) var curve = new EC(curveId) var key = curve.keyFromPrivate(priv.privateKey) var out = key.sign(hash) return Buffer.from(out.toDER()) } function dsaSign (hash, priv, algo) { var x = priv.params.priv_key var p = priv.params.p var q = priv.params.q var g = priv.params.g var r = new BN(0) var k var H = bits2int(hash, q).mod(q) var s = false var kv = getKey(x, q, hash, algo) while (s === false) { k = makeKey(q, kv, algo) r = makeR(g, k, p, q) s = k.invm(q).imul(H.add(x.mul(r))).mod(q) if (s.cmpn(0) === 0) { s = false r = new BN(0) } } return toDER(r, s) } function toDER (r, s) { r = r.toArray() s = s.toArray() // Pad values if (r[0] & 0x80) r = [0].concat(r) if (s[0] & 0x80) s = [0].concat(s) var total = r.length + s.length + 4 var res = [0x30, total, 0x02, r.length] res = res.concat(r, [0x02, s.length], s) return Buffer.from(res) } function getKey (x, q, hash, algo) { x = Buffer.from(x.toArray()) if (x.length < q.byteLength()) { var zeros = Buffer.alloc(q.byteLength() - x.length) x = Buffer.concat([zeros, x]) } var hlen = hash.length var hbits = bits2octets(hash, q) var v = Buffer.alloc(hlen) v.fill(1) var k = Buffer.alloc(hlen) k = createHmac(algo, k).update(v).update(Buffer.from([0])).update(x).update(hbits).digest() v = createHmac(algo, k).update(v).digest() k = createHmac(algo, k).update(v).update(Buffer.from([1])).update(x).update(hbits).digest() v = createHmac(algo, k).update(v).digest() return { k: k, v: v } } function bits2int (obits, q) { var bits = new BN(obits) var shift = (obits.length << 3) - q.bitLength() if (shift > 0) bits.ishrn(shift) return bits } function bits2octets (bits, q) { bits = bits2int(bits, q) bits = bits.mod(q) var out = Buffer.from(bits.toArray()) if (out.length < q.byteLength()) { var zeros = Buffer.alloc(q.byteLength() - out.length) out = Buffer.concat([zeros, out]) } return out } function makeKey (q, kv, algo) { var t var k do { t = Buffer.alloc(0) while (t.length * 8 < q.bitLength()) { kv.v = createHmac(algo, kv.k).update(kv.v).digest() t = Buffer.concat([t, kv.v]) } k = bits2int(t, q) kv.k = createHmac(algo, kv.k).update(kv.v).update(Buffer.from([0])).digest() kv.v = createHmac(algo, kv.k).update(kv.v).digest() } while (k.cmp(q) !== -1) return k } function makeR (g, k, p, q) { return g.toRed(BN.mont(p)).redPow(k).fromRed().mod(q) } module.exports = sign module.exports.getKey = getKey module.exports.makeKey = makeKey /***/ }), /***/ "../../node_modules/browserify-sign/browser/verify.js": /*!************************************************************!*\ !*** ../../node_modules/browserify-sign/browser/verify.js ***! \************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { // much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var BN = __webpack_require__(/*! bn.js */ "../../node_modules/bn.js/lib/bn.js") var EC = (__webpack_require__(/*! elliptic */ "../../node_modules/elliptic/lib/elliptic.js").ec) var parseKeys = __webpack_require__(/*! parse-asn1 */ "../../node_modules/parse-asn1/index.js") var curves = __webpack_require__(/*! ./curves.json */ "../../node_modules/browserify-sign/browser/curves.json") function verify (sig, hash, key, signType, tag) { var pub = parseKeys(key) if (pub.type === 'ec') { // rsa keys can be interpreted as ecdsa ones in openssl if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type') return ecVerify(sig, hash, pub) } else if (pub.type === 'dsa') { if (signType !== 'dsa') throw new Error('wrong public key type') return dsaVerify(sig, hash, pub) } else { if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type') } hash = Buffer.concat([tag, hash]) var len = pub.modulus.byteLength() var pad = [1] var padNum = 0 while (hash.length + pad.length + 2 < len) { pad.push(0xff) padNum++ } pad.push(0x00) var i = -1 while (++i < hash.length) { pad.push(hash[i]) } pad = Buffer.from(pad) var red = BN.mont(pub.modulus) sig = new BN(sig).toRed(red) sig = sig.redPow(new BN(pub.publicExponent)) sig = Buffer.from(sig.fromRed().toArray()) var out = padNum < 8 ? 1 : 0 len = Math.min(sig.length, pad.length) if (sig.length !== pad.length) out = 1 i = -1 while (++i < len) out |= sig[i] ^ pad[i] return out === 0 } function ecVerify (sig, hash, pub) { var curveId = curves[pub.data.algorithm.curve.join('.')] if (!curveId) throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.')) var curve = new EC(curveId) var pubkey = pub.data.subjectPrivateKey.data return curve.verify(hash, sig, pubkey) } function dsaVerify (sig, hash, pub) { var p = pub.data.p var q = pub.data.q var g = pub.data.g var y = pub.data.pub_key var unpacked = parseKeys.signature.decode(sig, 'der') var s = unpacked.s var r = unpacked.r checkValue(s, q) checkValue(r, q) var montp = BN.mont(p) var w = s.invm(q) var v = g.toRed(montp) .redPow(new BN(hash).mul(w).mod(q)) .fromRed() .mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed()) .mod(p) .mod(q) return v.cmp(r) === 0 } function checkValue (b, q) { if (b.cmpn(0) <= 0) throw new Error('invalid sig') if (b.cmp(q) >= q) throw new Error('invalid sig') } module.exports = verify /***/ }), /***/ "../../node_modules/bs58/index.js": /*!****************************************!*\ !*** ../../node_modules/bs58/index.js ***! \****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var basex = __webpack_require__(/*! base-x */ "../../node_modules/base-x/src/index.js") var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz' module.exports = basex(ALPHABET) /***/ }), /***/ "../../node_modules/bs58check/base.js": /*!********************************************!*\ !*** ../../node_modules/bs58check/base.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var base58 = __webpack_require__(/*! bs58 */ "../../node_modules/bs58/index.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) module.exports = function (checksumFn) { // Encode a buffer as a base58-check encoded string function encode (payload) { var checksum = checksumFn(payload) return base58.encode(Buffer.concat([ payload, checksum ], payload.length + 4)) } function decodeRaw (buffer) { var payload = buffer.slice(0, -4) var checksum = buffer.slice(-4) var newChecksum = checksumFn(payload) if (checksum[0] ^ newChecksum[0] | checksum[1] ^ newChecksum[1] | checksum[2] ^ newChecksum[2] | checksum[3] ^ newChecksum[3]) return return payload } // Decode a base58-check encoded string to a buffer, no result if checksum is wrong function decodeUnsafe (string) { var buffer = base58.decodeUnsafe(string) if (!buffer) return return decodeRaw(buffer) } function decode (string) { var buffer = base58.decode(string) var payload = decodeRaw(buffer, checksumFn) if (!payload) throw new Error('Invalid checksum') return payload } return { encode: encode, decode: decode, decodeUnsafe: decodeUnsafe } } /***/ }), /***/ "../../node_modules/bs58check/index.js": /*!*********************************************!*\ !*** ../../node_modules/bs58check/index.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var createHash = __webpack_require__(/*! create-hash */ "../../node_modules/create-hash/browser.js") var bs58checkBase = __webpack_require__(/*! ./base */ "../../node_modules/bs58check/base.js") // SHA256(SHA256(buffer)) function sha256x2 (buffer) { var tmp = createHash('sha256').update(buffer).digest() return createHash('sha256').update(tmp).digest() } module.exports = bs58checkBase(sha256x2) /***/ }), /***/ "../../node_modules/buffer-xor/index.js": /*!**********************************************!*\ !*** ../../node_modules/buffer-xor/index.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; module.exports = function xor (a, b) { var length = Math.min(a.length, b.length) var buffer = new Buffer(length) for (var i = 0; i < length; ++i) { buffer[i] = a[i] ^ b[i] } return buffer } /***/ }), /***/ "../../node_modules/buffer/index.js": /*!******************************************!*\ !*** ../../node_modules/buffer/index.js ***! \******************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; /*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh * @license MIT */ /* eslint-disable no-proto */ const base64 = __webpack_require__(/*! base64-js */ "../../node_modules/base64-js/index.js") const ieee754 = __webpack_require__(/*! ieee754 */ "../../node_modules/ieee754/index.js") const customInspectSymbol = (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation : null exports.Buffer = Buffer exports.SlowBuffer = SlowBuffer exports.INSPECT_MAX_BYTES = 50 const K_MAX_LENGTH = 0x7fffffff exports.kMaxLength = K_MAX_LENGTH /** * If `Buffer.TYPED_ARRAY_SUPPORT`: * === true Use Uint8Array implementation (fastest) * === false Print warning and recommend using `buffer` v4.x which has an Object * implementation (most compatible, even IE6) * * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, * Opera 11.6+, iOS 4.2+. * * We report that the browser does not support typed arrays if the are not subclassable * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support * for __proto__ and has a buggy typed array implementation. */ Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport() if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && typeof console.error === 'function') { console.error( 'This browser lacks typed array (Uint8Array) support which is required by ' + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.' ) } function typedArraySupport () { // Can typed array instances can be augmented? try { const arr = new Uint8Array(1) const proto = { foo: function () { return 42 } } Object.setPrototypeOf(proto, Uint8Array.prototype) Object.setPrototypeOf(arr, proto) return arr.foo() === 42 } catch (e) { return false } } Object.defineProperty(Buffer.prototype, 'parent', { enumerable: true, get: function () { if (!Buffer.isBuffer(this)) return undefined return this.buffer } }) Object.defineProperty(Buffer.prototype, 'offset', { enumerable: true, get: function () { if (!Buffer.isBuffer(this)) return undefined return this.byteOffset } }) function createBuffer (length) { if (length > K_MAX_LENGTH) { throw new RangeError('The value "' + length + '" is invalid for option "size"') } // Return an augmented `Uint8Array` instance const buf = new Uint8Array(length) Object.setPrototypeOf(buf, Buffer.prototype) return buf } /** * The Buffer constructor returns instances of `Uint8Array` that have their * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of * `Uint8Array`, so the returned instances will have all the node `Buffer` methods * and the `Uint8Array` methods. Square bracket notation works as expected -- it * returns a single octet. * * The `Uint8Array` prototype remains unmodified. */ function Buffer (arg, encodingOrOffset, length) { // Common case. if (typeof arg === 'number') { if (typeof encodingOrOffset === 'string') { throw new TypeError( 'The "string" argument must be of type string. Received type number' ) } return allocUnsafe(arg) } return from(arg, encodingOrOffset, length) } Buffer.poolSize = 8192 // not used by this implementation function from (value, encodingOrOffset, length) { if (typeof value === 'string') { return fromString(value, encodingOrOffset) } if (ArrayBuffer.isView(value)) { return fromArrayView(value) } if (value == null) { throw new TypeError( 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + (typeof value) ) } if (isInstance(value, ArrayBuffer) || (value && isInstance(value.buffer, ArrayBuffer))) { return fromArrayBuffer(value, encodingOrOffset, length) } if (typeof SharedArrayBuffer !== 'undefined' && (isInstance(value, SharedArrayBuffer) || (value && isInstance(value.buffer, SharedArrayBuffer)))) { return fromArrayBuffer(value, encodingOrOffset, length) } if (typeof value === 'number') { throw new TypeError( 'The "value" argument must not be of type number. Received type number' ) } const valueOf = value.valueOf && value.valueOf() if (valueOf != null && valueOf !== value) { return Buffer.from(valueOf, encodingOrOffset, length) } const b = fromObject(value) if (b) return b if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === 'function') { return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length) } throw new TypeError( 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + (typeof value) ) } /** * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError * if value is a number. * Buffer.from(str[, encoding]) * Buffer.from(array) * Buffer.from(buffer) * Buffer.from(arrayBuffer[, byteOffset[, length]]) **/ Buffer.from = function (value, encodingOrOffset, length) { return from(value, encodingOrOffset, length) } // Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: // https://github.com/feross/buffer/pull/148 Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype) Object.setPrototypeOf(Buffer, Uint8Array) function assertSize (size) { if (typeof size !== 'number') { throw new TypeError('"size" argument must be of type number') } else if (size < 0) { throw new RangeError('The value "' + size + '" is invalid for option "size"') } } function alloc (size, fill, encoding) { assertSize(size) if (size <= 0) { return createBuffer(size) } if (fill !== undefined) { // Only pay attention to encoding if it's a string. This // prevents accidentally sending in a number that would // be interpreted as a start offset. return typeof encoding === 'string' ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill) } return createBuffer(size) } /** * Creates a new filled Buffer instance. * alloc(size[, fill[, encoding]]) **/ Buffer.alloc = function (size, fill, encoding) { return alloc(size, fill, encoding) } function allocUnsafe (size) { assertSize(size) return createBuffer(size < 0 ? 0 : checked(size) | 0) } /** * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. * */ Buffer.allocUnsafe = function (size) { return allocUnsafe(size) } /** * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. */ Buffer.allocUnsafeSlow = function (size) { return allocUnsafe(size) } function fromString (string, encoding) { if (typeof encoding !== 'string' || encoding === '') { encoding = 'utf8' } if (!Buffer.isEncoding(encoding)) { throw new TypeError('Unknown encoding: ' + encoding) } const length = byteLength(string, encoding) | 0 let buf = createBuffer(length) const actual = buf.write(string, encoding) if (actual !== length) { // Writing a hex string, for example, that contains invalid characters will // cause everything after the first invalid character to be ignored. (e.g. // 'abxxcd' will be treated as 'ab') buf = buf.slice(0, actual) } return buf } function fromArrayLike (array) { const length = array.length < 0 ? 0 : checked(array.length) | 0 const buf = createBuffer(length) for (let i = 0; i < length; i += 1) { buf[i] = array[i] & 255 } return buf } function fromArrayView (arrayView) { if (isInstance(arrayView, Uint8Array)) { const copy = new Uint8Array(arrayView) return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength) } return fromArrayLike(arrayView) } function fromArrayBuffer (array, byteOffset, length) { if (byteOffset < 0 || array.byteLength < byteOffset) { throw new RangeError('"offset" is outside of buffer bounds') } if (array.byteLength < byteOffset + (length || 0)) { throw new RangeError('"length" is outside of buffer bounds') } let buf if (byteOffset === undefined && length === undefined) { buf = new Uint8Array(array) } else if (length === undefined) { buf = new Uint8Array(array, byteOffset) } else { buf = new Uint8Array(array, byteOffset, length) } // Return an augmented `Uint8Array` instance Object.setPrototypeOf(buf, Buffer.prototype) return buf } function fromObject (obj) { if (Buffer.isBuffer(obj)) { const len = checked(obj.length) | 0 const buf = createBuffer(len) if (buf.length === 0) { return buf } obj.copy(buf, 0, 0, len) return buf } if (obj.length !== undefined) { if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) { return createBuffer(0) } return fromArrayLike(obj) } if (obj.type === 'Buffer' && Array.isArray(obj.data)) { return fromArrayLike(obj.data) } } function checked (length) { // Note: cannot use `length < K_MAX_LENGTH` here because that fails when // length is NaN (which is otherwise coerced to zero.) if (length >= K_MAX_LENGTH) { throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes') } return length | 0 } function SlowBuffer (length) { if (+length != length) { // eslint-disable-line eqeqeq length = 0 } return Buffer.alloc(+length) } Buffer.isBuffer = function isBuffer (b) { return b != null && b._isBuffer === true && b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false } Buffer.compare = function compare (a, b) { if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength) if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength) if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { throw new TypeError( 'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array' ) } if (a === b) return 0 let x = a.length let y = b.length for (let i = 0, len = Math.min(x, y); i < len; ++i) { if (a[i] !== b[i]) { x = a[i] y = b[i] break } } if (x < y) return -1 if (y < x) return 1 return 0 } Buffer.isEncoding = function isEncoding (encoding) { switch (String(encoding).toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'latin1': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } } Buffer.concat = function concat (list, length) { if (!Array.isArray(list)) { throw new TypeError('"list" argument must be an Array of Buffers') } if (list.length === 0) { return Buffer.alloc(0) } let i if (length === undefined) { length = 0 for (i = 0; i < list.length; ++i) { length += list[i].length } } const buffer = Buffer.allocUnsafe(length) let pos = 0 for (i = 0; i < list.length; ++i) { let buf = list[i] if (isInstance(buf, Uint8Array)) { if (pos + buf.length > buffer.length) { if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf) buf.copy(buffer, pos) } else { Uint8Array.prototype.set.call( buffer, buf, pos ) } } else if (!Buffer.isBuffer(buf)) { throw new TypeError('"list" argument must be an Array of Buffers') } else { buf.copy(buffer, pos) } pos += buf.length } return buffer } function byteLength (string, encoding) { if (Buffer.isBuffer(string)) { return string.length } if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) { return string.byteLength } if (typeof string !== 'string') { throw new TypeError( 'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + 'Received type ' + typeof string ) } const len = string.length const mustMatch = (arguments.length > 2 && arguments[2] === true) if (!mustMatch && len === 0) return 0 // Use a for loop to avoid recursion let loweredCase = false for (;;) { switch (encoding) { case 'ascii': case 'latin1': case 'binary': return len case 'utf8': case 'utf-8': return utf8ToBytes(string).length case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return len * 2 case 'hex': return len >>> 1 case 'base64': return base64ToBytes(string).length default: if (loweredCase) { return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8 } encoding = ('' + encoding).toLowerCase() loweredCase = true } } } Buffer.byteLength = byteLength function slowToString (encoding, start, end) { let loweredCase = false // No need to verify that "this.length <= MAX_UINT32" since it's a read-only // property of a typed array. // This behaves neither like String nor Uint8Array in that we set start/end // to their upper/lower bounds if the value passed is out of range. // undefined is handled specially as per ECMA-262 6th Edition, // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. if (start === undefined || start < 0) { start = 0 } // Return early if start > this.length. Done here to prevent potential uint32 // coercion fail below. if (start > this.length) { return '' } if (end === undefined || end > this.length) { end = this.length } if (end <= 0) { return '' } // Force coercion to uint32. This will also coerce falsey/NaN values to 0. end >>>= 0 start >>>= 0 if (end <= start) { return '' } if (!encoding) encoding = 'utf8' while (true) { switch (encoding) { case 'hex': return hexSlice(this, start, end) case 'utf8': case 'utf-8': return utf8Slice(this, start, end) case 'ascii': return asciiSlice(this, start, end) case 'latin1': case 'binary': return latin1Slice(this, start, end) case 'base64': return base64Slice(this, start, end) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return utf16leSlice(this, start, end) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = (encoding + '').toLowerCase() loweredCase = true } } } // This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) // to detect a Buffer instance. It's not possible to use `instanceof Buffer` // reliably in a browserify context because there could be multiple different // copies of the 'buffer' package in use. This method works even for Buffer // instances that were created from another copy of the `buffer` package. // See: https://github.com/feross/buffer/issues/154 Buffer.prototype._isBuffer = true function swap (b, n, m) { const i = b[n] b[n] = b[m] b[m] = i } Buffer.prototype.swap16 = function swap16 () { const len = this.length if (len % 2 !== 0) { throw new RangeError('Buffer size must be a multiple of 16-bits') } for (let i = 0; i < len; i += 2) { swap(this, i, i + 1) } return this } Buffer.prototype.swap32 = function swap32 () { const len = this.length if (len % 4 !== 0) { throw new RangeError('Buffer size must be a multiple of 32-bits') } for (let i = 0; i < len; i += 4) { swap(this, i, i + 3) swap(this, i + 1, i + 2) } return this } Buffer.prototype.swap64 = function swap64 () { const len = this.length if (len % 8 !== 0) { throw new RangeError('Buffer size must be a multiple of 64-bits') } for (let i = 0; i < len; i += 8) { swap(this, i, i + 7) swap(this, i + 1, i + 6) swap(this, i + 2, i + 5) swap(this, i + 3, i + 4) } return this } Buffer.prototype.toString = function toString () { const length = this.length if (length === 0) return '' if (arguments.length === 0) return utf8Slice(this, 0, length) return slowToString.apply(this, arguments) } Buffer.prototype.toLocaleString = Buffer.prototype.toString Buffer.prototype.equals = function equals (b) { if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') if (this === b) return true return Buffer.compare(this, b) === 0 } Buffer.prototype.inspect = function inspect () { let str = '' const max = exports.INSPECT_MAX_BYTES str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim() if (this.length > max) str += ' ... ' return '' } if (customInspectSymbol) { Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect } Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { if (isInstance(target, Uint8Array)) { target = Buffer.from(target, target.offset, target.byteLength) } if (!Buffer.isBuffer(target)) { throw new TypeError( 'The "target" argument must be one of type Buffer or Uint8Array. ' + 'Received type ' + (typeof target) ) } if (start === undefined) { start = 0 } if (end === undefined) { end = target ? target.length : 0 } if (thisStart === undefined) { thisStart = 0 } if (thisEnd === undefined) { thisEnd = this.length } if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { throw new RangeError('out of range index') } if (thisStart >= thisEnd && start >= end) { return 0 } if (thisStart >= thisEnd) { return -1 } if (start >= end) { return 1 } start >>>= 0 end >>>= 0 thisStart >>>= 0 thisEnd >>>= 0 if (this === target) return 0 let x = thisEnd - thisStart let y = end - start const len = Math.min(x, y) const thisCopy = this.slice(thisStart, thisEnd) const targetCopy = target.slice(start, end) for (let i = 0; i < len; ++i) { if (thisCopy[i] !== targetCopy[i]) { x = thisCopy[i] y = targetCopy[i] break } } if (x < y) return -1 if (y < x) return 1 return 0 } // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, // OR the last index of `val` in `buffer` at offset <= `byteOffset`. // // Arguments: // - buffer - a Buffer to search // - val - a string, Buffer, or number // - byteOffset - an index into `buffer`; will be clamped to an int32 // - encoding - an optional encoding, relevant is val is a string // - dir - true for indexOf, false for lastIndexOf function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { // Empty buffer means no match if (buffer.length === 0) return -1 // Normalize byteOffset if (typeof byteOffset === 'string') { encoding = byteOffset byteOffset = 0 } else if (byteOffset > 0x7fffffff) { byteOffset = 0x7fffffff } else if (byteOffset < -0x80000000) { byteOffset = -0x80000000 } byteOffset = +byteOffset // Coerce to Number. if (numberIsNaN(byteOffset)) { // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer byteOffset = dir ? 0 : (buffer.length - 1) } // Normalize byteOffset: negative offsets start from the end of the buffer if (byteOffset < 0) byteOffset = buffer.length + byteOffset if (byteOffset >= buffer.length) { if (dir) return -1 else byteOffset = buffer.length - 1 } else if (byteOffset < 0) { if (dir) byteOffset = 0 else return -1 } // Normalize val if (typeof val === 'string') { val = Buffer.from(val, encoding) } // Finally, search either indexOf (if dir is true) or lastIndexOf if (Buffer.isBuffer(val)) { // Special case: looking for empty string/buffer always fails if (val.length === 0) { return -1 } return arrayIndexOf(buffer, val, byteOffset, encoding, dir) } else if (typeof val === 'number') { val = val & 0xFF // Search for a byte value [0-255] if (typeof Uint8Array.prototype.indexOf === 'function') { if (dir) { return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) } else { return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) } } return arrayIndexOf(buffer, [val], byteOffset, encoding, dir) } throw new TypeError('val must be string, number or Buffer') } function arrayIndexOf (arr, val, byteOffset, encoding, dir) { let indexSize = 1 let arrLength = arr.length let valLength = val.length if (encoding !== undefined) { encoding = String(encoding).toLowerCase() if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') { if (arr.length < 2 || val.length < 2) { return -1 } indexSize = 2 arrLength /= 2 valLength /= 2 byteOffset /= 2 } } function read (buf, i) { if (indexSize === 1) { return buf[i] } else { return buf.readUInt16BE(i * indexSize) } } let i if (dir) { let foundIndex = -1 for (i = byteOffset; i < arrLength; i++) { if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { if (foundIndex === -1) foundIndex = i if (i - foundIndex + 1 === valLength) return foundIndex * indexSize } else { if (foundIndex !== -1) i -= i - foundIndex foundIndex = -1 } } } else { if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength for (i = byteOffset; i >= 0; i--) { let found = true for (let j = 0; j < valLength; j++) { if (read(arr, i + j) !== read(val, j)) { found = false break } } if (found) return i } } return -1 } Buffer.prototype.includes = function includes (val, byteOffset, encoding) { return this.indexOf(val, byteOffset, encoding) !== -1 } Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, true) } Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, false) } function hexWrite (buf, string, offset, length) { offset = Number(offset) || 0 const remaining = buf.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } const strLen = string.length if (length > strLen / 2) { length = strLen / 2 } let i for (i = 0; i < length; ++i) { const parsed = parseInt(string.substr(i * 2, 2), 16) if (numberIsNaN(parsed)) return i buf[offset + i] = parsed } return i } function utf8Write (buf, string, offset, length) { return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) } function asciiWrite (buf, string, offset, length) { return blitBuffer(asciiToBytes(string), buf, offset, length) } function base64Write (buf, string, offset, length) { return blitBuffer(base64ToBytes(string), buf, offset, length) } function ucs2Write (buf, string, offset, length) { return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) } Buffer.prototype.write = function write (string, offset, length, encoding) { // Buffer#write(string) if (offset === undefined) { encoding = 'utf8' length = this.length offset = 0 // Buffer#write(string, encoding) } else if (length === undefined && typeof offset === 'string') { encoding = offset length = this.length offset = 0 // Buffer#write(string, offset[, length][, encoding]) } else if (isFinite(offset)) { offset = offset >>> 0 if (isFinite(length)) { length = length >>> 0 if (encoding === undefined) encoding = 'utf8' } else { encoding = length length = undefined } } else { throw new Error( 'Buffer.write(string, encoding, offset[, length]) is no longer supported' ) } const remaining = this.length - offset if (length === undefined || length > remaining) length = remaining if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { throw new RangeError('Attempt to write outside buffer bounds') } if (!encoding) encoding = 'utf8' let loweredCase = false for (;;) { switch (encoding) { case 'hex': return hexWrite(this, string, offset, length) case 'utf8': case 'utf-8': return utf8Write(this, string, offset, length) case 'ascii': case 'latin1': case 'binary': return asciiWrite(this, string, offset, length) case 'base64': // Warning: maxLength not taken into account in base64Write return base64Write(this, string, offset, length) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return ucs2Write(this, string, offset, length) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = ('' + encoding).toLowerCase() loweredCase = true } } } Buffer.prototype.toJSON = function toJSON () { return { type: 'Buffer', data: Array.prototype.slice.call(this._arr || this, 0) } } function base64Slice (buf, start, end) { if (start === 0 && end === buf.length) { return base64.fromByteArray(buf) } else { return base64.fromByteArray(buf.slice(start, end)) } } function utf8Slice (buf, start, end) { end = Math.min(buf.length, end) const res = [] let i = start while (i < end) { const firstByte = buf[i] let codePoint = null let bytesPerSequence = (firstByte > 0xEF) ? 4 : (firstByte > 0xDF) ? 3 : (firstByte > 0xBF) ? 2 : 1 if (i + bytesPerSequence <= end) { let secondByte, thirdByte, fourthByte, tempCodePoint switch (bytesPerSequence) { case 1: if (firstByte < 0x80) { codePoint = firstByte } break case 2: secondByte = buf[i + 1] if ((secondByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) if (tempCodePoint > 0x7F) { codePoint = tempCodePoint } } break case 3: secondByte = buf[i + 1] thirdByte = buf[i + 2] if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { codePoint = tempCodePoint } } break case 4: secondByte = buf[i + 1] thirdByte = buf[i + 2] fourthByte = buf[i + 3] if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { codePoint = tempCodePoint } } } } if (codePoint === null) { // we did not generate a valid codePoint so insert a // replacement char (U+FFFD) and advance only 1 byte codePoint = 0xFFFD bytesPerSequence = 1 } else if (codePoint > 0xFFFF) { // encode to utf16 (surrogate pair dance) codePoint -= 0x10000 res.push(codePoint >>> 10 & 0x3FF | 0xD800) codePoint = 0xDC00 | codePoint & 0x3FF } res.push(codePoint) i += bytesPerSequence } return decodeCodePointsArray(res) } // Based on http://stackoverflow.com/a/22747272/680742, the browser with // the lowest limit is Chrome, with 0x10000 args. // We go 1 magnitude less, for safety const MAX_ARGUMENTS_LENGTH = 0x1000 function decodeCodePointsArray (codePoints) { const len = codePoints.length if (len <= MAX_ARGUMENTS_LENGTH) { return String.fromCharCode.apply(String, codePoints) // avoid extra slice() } // Decode in chunks to avoid "call stack size exceeded". let res = '' let i = 0 while (i < len) { res += String.fromCharCode.apply( String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) ) } return res } function asciiSlice (buf, start, end) { let ret = '' end = Math.min(buf.length, end) for (let i = start; i < end; ++i) { ret += String.fromCharCode(buf[i] & 0x7F) } return ret } function latin1Slice (buf, start, end) { let ret = '' end = Math.min(buf.length, end) for (let i = start; i < end; ++i) { ret += String.fromCharCode(buf[i]) } return ret } function hexSlice (buf, start, end) { const len = buf.length if (!start || start < 0) start = 0 if (!end || end < 0 || end > len) end = len let out = '' for (let i = start; i < end; ++i) { out += hexSliceLookupTable[buf[i]] } return out } function utf16leSlice (buf, start, end) { const bytes = buf.slice(start, end) let res = '' // If bytes.length is odd, the last 8 bits must be ignored (same as node.js) for (let i = 0; i < bytes.length - 1; i += 2) { res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256)) } return res } Buffer.prototype.slice = function slice (start, end) { const len = this.length start = ~~start end = end === undefined ? len : ~~end if (start < 0) { start += len if (start < 0) start = 0 } else if (start > len) { start = len } if (end < 0) { end += len if (end < 0) end = 0 } else if (end > len) { end = len } if (end < start) end = start const newBuf = this.subarray(start, end) // Return an augmented `Uint8Array` instance Object.setPrototypeOf(newBuf, Buffer.prototype) return newBuf } /* * Need to make sure that buffer isn't trying to write out of bounds. */ function checkOffset (offset, ext, length) { if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') } Buffer.prototype.readUintLE = Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { offset = offset >>> 0 byteLength = byteLength >>> 0 if (!noAssert) checkOffset(offset, byteLength, this.length) let val = this[offset] let mul = 1 let i = 0 while (++i < byteLength && (mul *= 0x100)) { val += this[offset + i] * mul } return val } Buffer.prototype.readUintBE = Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { offset = offset >>> 0 byteLength = byteLength >>> 0 if (!noAssert) { checkOffset(offset, byteLength, this.length) } let val = this[offset + --byteLength] let mul = 1 while (byteLength > 0 && (mul *= 0x100)) { val += this[offset + --byteLength] * mul } return val } Buffer.prototype.readUint8 = Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 1, this.length) return this[offset] } Buffer.prototype.readUint16LE = Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 2, this.length) return this[offset] | (this[offset + 1] << 8) } Buffer.prototype.readUint16BE = Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 2, this.length) return (this[offset] << 8) | this[offset + 1] } Buffer.prototype.readUint32LE = Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 4, this.length) return ((this[offset]) | (this[offset + 1] << 8) | (this[offset + 2] << 16)) + (this[offset + 3] * 0x1000000) } Buffer.prototype.readUint32BE = Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset] * 0x1000000) + ((this[offset + 1] << 16) | (this[offset + 2] << 8) | this[offset + 3]) } Buffer.prototype.readBigUInt64LE = defineBigIntMethod(function readBigUInt64LE (offset) { offset = offset >>> 0 validateNumber(offset, 'offset') const first = this[offset] const last = this[offset + 7] if (first === undefined || last === undefined) { boundsError(offset, this.length - 8) } const lo = first + this[++offset] * 2 ** 8 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 24 const hi = this[++offset] + this[++offset] * 2 ** 8 + this[++offset] * 2 ** 16 + last * 2 ** 24 return BigInt(lo) + (BigInt(hi) << BigInt(32)) }) Buffer.prototype.readBigUInt64BE = defineBigIntMethod(function readBigUInt64BE (offset) { offset = offset >>> 0 validateNumber(offset, 'offset') const first = this[offset] const last = this[offset + 7] if (first === undefined || last === undefined) { boundsError(offset, this.length - 8) } const hi = first * 2 ** 24 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 8 + this[++offset] const lo = this[++offset] * 2 ** 24 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 8 + last return (BigInt(hi) << BigInt(32)) + BigInt(lo) }) Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { offset = offset >>> 0 byteLength = byteLength >>> 0 if (!noAssert) checkOffset(offset, byteLength, this.length) let val = this[offset] let mul = 1 let i = 0 while (++i < byteLength && (mul *= 0x100)) { val += this[offset + i] * mul } mul *= 0x80 if (val >= mul) val -= Math.pow(2, 8 * byteLength) return val } Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { offset = offset >>> 0 byteLength = byteLength >>> 0 if (!noAssert) checkOffset(offset, byteLength, this.length) let i = byteLength let mul = 1 let val = this[offset + --i] while (i > 0 && (mul *= 0x100)) { val += this[offset + --i] * mul } mul *= 0x80 if (val >= mul) val -= Math.pow(2, 8 * byteLength) return val } Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 1, this.length) if (!(this[offset] & 0x80)) return (this[offset]) return ((0xff - this[offset] + 1) * -1) } Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 2, this.length) const val = this[offset] | (this[offset + 1] << 8) return (val & 0x8000) ? val | 0xFFFF0000 : val } Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 2, this.length) const val = this[offset + 1] | (this[offset] << 8) return (val & 0x8000) ? val | 0xFFFF0000 : val } Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset]) | (this[offset + 1] << 8) | (this[offset + 2] << 16) | (this[offset + 3] << 24) } Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset] << 24) | (this[offset + 1] << 16) | (this[offset + 2] << 8) | (this[offset + 3]) } Buffer.prototype.readBigInt64LE = defineBigIntMethod(function readBigInt64LE (offset) { offset = offset >>> 0 validateNumber(offset, 'offset') const first = this[offset] const last = this[offset + 7] if (first === undefined || last === undefined) { boundsError(offset, this.length - 8) } const val = this[offset + 4] + this[offset + 5] * 2 ** 8 + this[offset + 6] * 2 ** 16 + (last << 24) // Overflow return (BigInt(val) << BigInt(32)) + BigInt(first + this[++offset] * 2 ** 8 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 24) }) Buffer.prototype.readBigInt64BE = defineBigIntMethod(function readBigInt64BE (offset) { offset = offset >>> 0 validateNumber(offset, 'offset') const first = this[offset] const last = this[offset + 7] if (first === undefined || last === undefined) { boundsError(offset, this.length - 8) } const val = (first << 24) + // Overflow this[++offset] * 2 ** 16 + this[++offset] * 2 ** 8 + this[++offset] return (BigInt(val) << BigInt(32)) + BigInt(this[++offset] * 2 ** 24 + this[++offset] * 2 ** 16 + this[++offset] * 2 ** 8 + last) }) Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 4, this.length) return ieee754.read(this, offset, true, 23, 4) } Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 4, this.length) return ieee754.read(this, offset, false, 23, 4) } Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 8, this.length) return ieee754.read(this, offset, true, 52, 8) } Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { offset = offset >>> 0 if (!noAssert) checkOffset(offset, 8, this.length) return ieee754.read(this, offset, false, 52, 8) } function checkInt (buf, value, offset, ext, max, min) { if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') if (offset + ext > buf.length) throw new RangeError('Index out of range') } Buffer.prototype.writeUintLE = Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset >>> 0 byteLength = byteLength >>> 0 if (!noAssert) { const maxBytes = Math.pow(2, 8 * byteLength) - 1 checkInt(this, value, offset, byteLength, maxBytes, 0) } let mul = 1 let i = 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { this[offset + i] = (value / mul) & 0xFF } return offset + byteLength } Buffer.prototype.writeUintBE = Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { value = +value offset = offset >>> 0 byteLength = byteLength >>> 0 if (!noAssert) { const maxBytes = Math.pow(2, 8 * byteLength) - 1 checkInt(this, value, offset, byteLength, maxBytes, 0) } let i = byteLength - 1 let mul = 1 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { this[offset + i] = (value / mul) & 0xFF } return offset + byteLength } Buffer.prototype.writeUint8 = Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) this[offset] = (value & 0xff) return offset + 1 } Buffer.prototype.writeUint16LE = Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) return offset + 2 } Buffer.prototype.writeUint16BE = Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) this[offset] = (value >>> 8) this[offset + 1] = (value & 0xff) return offset + 2 } Buffer.prototype.writeUint32LE = Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) this[offset + 3] = (value >>> 24) this[offset + 2] = (value >>> 16) this[offset + 1] = (value >>> 8) this[offset] = (value & 0xff) return offset + 4 } Buffer.prototype.writeUint32BE = Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) this[offset] = (value >>> 24) this[offset + 1] = (value >>> 16) this[offset + 2] = (value >>> 8) this[offset + 3] = (value & 0xff) return offset + 4 } function wrtBigUInt64LE (buf, value, offset, min, max) { checkIntBI(value, min, max, buf, offset, 7) let lo = Number(value & BigInt(0xffffffff)) buf[offset++] = lo lo = lo >> 8 buf[offset++] = lo lo = lo >> 8 buf[offset++] = lo lo = lo >> 8 buf[offset++] = lo let hi = Number(value >> BigInt(32) & BigInt(0xffffffff)) buf[offset++] = hi hi = hi >> 8 buf[offset++] = hi hi = hi >> 8 buf[offset++] = hi hi = hi >> 8 buf[offset++] = hi return offset } function wrtBigUInt64BE (buf, value, offset, min, max) { checkIntBI(value, min, max, buf, offset, 7) let lo = Number(value & BigInt(0xffffffff)) buf[offset + 7] = lo lo = lo >> 8 buf[offset + 6] = lo lo = lo >> 8 buf[offset + 5] = lo lo = lo >> 8 buf[offset + 4] = lo let hi = Number(value >> BigInt(32) & BigInt(0xffffffff)) buf[offset + 3] = hi hi = hi >> 8 buf[offset + 2] = hi hi = hi >> 8 buf[offset + 1] = hi hi = hi >> 8 buf[offset] = hi return offset + 8 } Buffer.prototype.writeBigUInt64LE = defineBigIntMethod(function writeBigUInt64LE (value, offset = 0) { return wrtBigUInt64LE(this, value, offset, BigInt(0), BigInt('0xffffffffffffffff')) }) Buffer.prototype.writeBigUInt64BE = defineBigIntMethod(function writeBigUInt64BE (value, offset = 0) { return wrtBigUInt64BE(this, value, offset, BigInt(0), BigInt('0xffffffffffffffff')) }) Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) { const limit = Math.pow(2, (8 * byteLength) - 1) checkInt(this, value, offset, byteLength, limit - 1, -limit) } let i = 0 let mul = 1 let sub = 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { sub = 1 } this[offset + i] = ((value / mul) >> 0) - sub & 0xFF } return offset + byteLength } Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) { const limit = Math.pow(2, (8 * byteLength) - 1) checkInt(this, value, offset, byteLength, limit - 1, -limit) } let i = byteLength - 1 let mul = 1 let sub = 0 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { sub = 1 } this[offset + i] = ((value / mul) >> 0) - sub & 0xFF } return offset + byteLength } Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) if (value < 0) value = 0xff + value + 1 this[offset] = (value & 0xff) return offset + 1 } Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) return offset + 2 } Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) this[offset] = (value >>> 8) this[offset + 1] = (value & 0xff) return offset + 2 } Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) this[offset + 2] = (value >>> 16) this[offset + 3] = (value >>> 24) return offset + 4 } Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) if (value < 0) value = 0xffffffff + value + 1 this[offset] = (value >>> 24) this[offset + 1] = (value >>> 16) this[offset + 2] = (value >>> 8) this[offset + 3] = (value & 0xff) return offset + 4 } Buffer.prototype.writeBigInt64LE = defineBigIntMethod(function writeBigInt64LE (value, offset = 0) { return wrtBigUInt64LE(this, value, offset, -BigInt('0x8000000000000000'), BigInt('0x7fffffffffffffff')) }) Buffer.prototype.writeBigInt64BE = defineBigIntMethod(function writeBigInt64BE (value, offset = 0) { return wrtBigUInt64BE(this, value, offset, -BigInt('0x8000000000000000'), BigInt('0x7fffffffffffffff')) }) function checkIEEE754 (buf, value, offset, ext, max, min) { if (offset + ext > buf.length) throw new RangeError('Index out of range') if (offset < 0) throw new RangeError('Index out of range') } function writeFloat (buf, value, offset, littleEndian, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) { checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) } ieee754.write(buf, value, offset, littleEndian, 23, 4) return offset + 4 } Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { return writeFloat(this, value, offset, true, noAssert) } Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { return writeFloat(this, value, offset, false, noAssert) } function writeDouble (buf, value, offset, littleEndian, noAssert) { value = +value offset = offset >>> 0 if (!noAssert) { checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) } ieee754.write(buf, value, offset, littleEndian, 52, 8) return offset + 8 } Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { return writeDouble(this, value, offset, true, noAssert) } Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { return writeDouble(this, value, offset, false, noAssert) } // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) Buffer.prototype.copy = function copy (target, targetStart, start, end) { if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer') if (!start) start = 0 if (!end && end !== 0) end = this.length if (targetStart >= target.length) targetStart = target.length if (!targetStart) targetStart = 0 if (end > 0 && end < start) end = start // Copy 0 bytes; we're done if (end === start) return 0 if (target.length === 0 || this.length === 0) return 0 // Fatal error conditions if (targetStart < 0) { throw new RangeError('targetStart out of bounds') } if (start < 0 || start >= this.length) throw new RangeError('Index out of range') if (end < 0) throw new RangeError('sourceEnd out of bounds') // Are we oob? if (end > this.length) end = this.length if (target.length - targetStart < end - start) { end = target.length - targetStart + start } const len = end - start if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') { // Use built-in when available, missing from IE11 this.copyWithin(targetStart, start, end) } else { Uint8Array.prototype.set.call( target, this.subarray(start, end), targetStart ) } return len } // Usage: // buffer.fill(number[, offset[, end]]) // buffer.fill(buffer[, offset[, end]]) // buffer.fill(string[, offset[, end]][, encoding]) Buffer.prototype.fill = function fill (val, start, end, encoding) { // Handle string cases: if (typeof val === 'string') { if (typeof start === 'string') { encoding = start start = 0 end = this.length } else if (typeof end === 'string') { encoding = end end = this.length } if (encoding !== undefined && typeof encoding !== 'string') { throw new TypeError('encoding must be a string') } if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { throw new TypeError('Unknown encoding: ' + encoding) } if (val.length === 1) { const code = val.charCodeAt(0) if ((encoding === 'utf8' && code < 128) || encoding === 'latin1') { // Fast path: If `val` fits into a single byte, use that numeric value. val = code } } } else if (typeof val === 'number') { val = val & 255 } else if (typeof val === 'boolean') { val = Number(val) } // Invalid ranges are not set to a default, so can range check early. if (start < 0 || this.length < start || this.length < end) { throw new RangeError('Out of range index') } if (end <= start) { return this } start = start >>> 0 end = end === undefined ? this.length : end >>> 0 if (!val) val = 0 let i if (typeof val === 'number') { for (i = start; i < end; ++i) { this[i] = val } } else { const bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding) const len = bytes.length if (len === 0) { throw new TypeError('The value "' + val + '" is invalid for argument "value"') } for (i = 0; i < end - start; ++i) { this[i + start] = bytes[i % len] } } return this } // CUSTOM ERRORS // ============= // Simplified versions from Node, changed for Buffer-only usage const errors = {} function E (sym, getMessage, Base) { errors[sym] = class NodeError extends Base { constructor () { super() Object.defineProperty(this, 'message', { value: getMessage.apply(this, arguments), writable: true, configurable: true }) // Add the error code to the name to include it in the stack trace. this.name = `${this.name} [${sym}]` // Access the stack to generate the error message including the error code // from the name. this.stack // eslint-disable-line no-unused-expressions // Reset the name to the actual name. delete this.name } get code () { return sym } set code (value) { Object.defineProperty(this, 'code', { configurable: true, enumerable: true, value, writable: true }) } toString () { return `${this.name} [${sym}]: ${this.message}` } } } E('ERR_BUFFER_OUT_OF_BOUNDS', function (name) { if (name) { return `${name} is outside of buffer bounds` } return 'Attempt to access memory outside buffer bounds' }, RangeError) E('ERR_INVALID_ARG_TYPE', function (name, actual) { return `The "${name}" argument must be of type number. Received type ${typeof actual}` }, TypeError) E('ERR_OUT_OF_RANGE', function (str, range, input) { let msg = `The value of "${str}" is out of range.` let received = input if (Number.isInteger(input) && Math.abs(input) > 2 ** 32) { received = addNumericalSeparator(String(input)) } else if (typeof input === 'bigint') { received = String(input) if (input > BigInt(2) ** BigInt(32) || input < -(BigInt(2) ** BigInt(32))) { received = addNumericalSeparator(received) } received += 'n' } msg += ` It must be ${range}. Received ${received}` return msg }, RangeError) function addNumericalSeparator (val) { let res = '' let i = val.length const start = val[0] === '-' ? 1 : 0 for (; i >= start + 4; i -= 3) { res = `_${val.slice(i - 3, i)}${res}` } return `${val.slice(0, i)}${res}` } // CHECK FUNCTIONS // =============== function checkBounds (buf, offset, byteLength) { validateNumber(offset, 'offset') if (buf[offset] === undefined || buf[offset + byteLength] === undefined) { boundsError(offset, buf.length - (byteLength + 1)) } } function checkIntBI (value, min, max, buf, offset, byteLength) { if (value > max || value < min) { const n = typeof min === 'bigint' ? 'n' : '' let range if (byteLength > 3) { if (min === 0 || min === BigInt(0)) { range = `>= 0${n} and < 2${n} ** ${(byteLength + 1) * 8}${n}` } else { range = `>= -(2${n} ** ${(byteLength + 1) * 8 - 1}${n}) and < 2 ** ` + `${(byteLength + 1) * 8 - 1}${n}` } } else { range = `>= ${min}${n} and <= ${max}${n}` } throw new errors.ERR_OUT_OF_RANGE('value', range, value) } checkBounds(buf, offset, byteLength) } function validateNumber (value, name) { if (typeof value !== 'number') { throw new errors.ERR_INVALID_ARG_TYPE(name, 'number', value) } } function boundsError (value, length, type) { if (Math.floor(value) !== value) { validateNumber(value, type) throw new errors.ERR_OUT_OF_RANGE(type || 'offset', 'an integer', value) } if (length < 0) { throw new errors.ERR_BUFFER_OUT_OF_BOUNDS() } throw new errors.ERR_OUT_OF_RANGE(type || 'offset', `>= ${type ? 1 : 0} and <= ${length}`, value) } // HELPER FUNCTIONS // ================ const INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g function base64clean (str) { // Node takes equal signs as end of the Base64 encoding str = str.split('=')[0] // Node strips out invalid characters like \n and \t from the string, base64-js does not str = str.trim().replace(INVALID_BASE64_RE, '') // Node converts strings with length < 2 to '' if (str.length < 2) return '' // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not while (str.length % 4 !== 0) { str = str + '=' } return str } function utf8ToBytes (string, units) { units = units || Infinity let codePoint const length = string.length let leadSurrogate = null const bytes = [] for (let i = 0; i < length; ++i) { codePoint = string.charCodeAt(i) // is surrogate component if (codePoint > 0xD7FF && codePoint < 0xE000) { // last char was a lead if (!leadSurrogate) { // no lead yet if (codePoint > 0xDBFF) { // unexpected trail if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) continue } else if (i + 1 === length) { // unpaired lead if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) continue } // valid lead leadSurrogate = codePoint continue } // 2 leads in a row if (codePoint < 0xDC00) { if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) leadSurrogate = codePoint continue } // valid surrogate pair codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000 } else if (leadSurrogate) { // valid bmp char, but last char was a lead if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) } leadSurrogate = null // encode utf8 if (codePoint < 0x80) { if ((units -= 1) < 0) break bytes.push(codePoint) } else if (codePoint < 0x800) { if ((units -= 2) < 0) break bytes.push( codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80 ) } else if (codePoint < 0x10000) { if ((units -= 3) < 0) break bytes.push( codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80 ) } else if (codePoint < 0x110000) { if ((units -= 4) < 0) break bytes.push( codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80 ) } else { throw new Error('Invalid code point') } } return bytes } function asciiToBytes (str) { const byteArray = [] for (let i = 0; i < str.length; ++i) { // Node's code seems to be doing this and not & 0x7F.. byteArray.push(str.charCodeAt(i) & 0xFF) } return byteArray } function utf16leToBytes (str, units) { let c, hi, lo const byteArray = [] for (let i = 0; i < str.length; ++i) { if ((units -= 2) < 0) break c = str.charCodeAt(i) hi = c >> 8 lo = c % 256 byteArray.push(lo) byteArray.push(hi) } return byteArray } function base64ToBytes (str) { return base64.toByteArray(base64clean(str)) } function blitBuffer (src, dst, offset, length) { let i for (i = 0; i < length; ++i) { if ((i + offset >= dst.length) || (i >= src.length)) break dst[i + offset] = src[i] } return i } // ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass // the `instanceof` check but they should be treated as of that type. // See: https://github.com/feross/buffer/issues/166 function isInstance (obj, type) { return obj instanceof type || (obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name) } function numberIsNaN (obj) { // For IE11 support return obj !== obj // eslint-disable-line no-self-compare } // Create lookup table for `toString('hex')` // See: https://github.com/feross/buffer/issues/219 const hexSliceLookupTable = (function () { const alphabet = '0123456789abcdef' const table = new Array(256) for (let i = 0; i < 16; ++i) { const i16 = i * 16 for (let j = 0; j < 16; ++j) { table[i16 + j] = alphabet[i] + alphabet[j] } } return table })() // Return not function with Error if BigInt not supported function defineBigIntMethod (fn) { return typeof BigInt === 'undefined' ? BufferBigIntNotDefined : fn } function BufferBigIntNotDefined () { throw new Error('BigInt not supported') } /***/ }), /***/ "../../node_modules/builtin-status-codes/browser.js": /*!**********************************************************!*\ !*** ../../node_modules/builtin-status-codes/browser.js ***! \**********************************************************/ /***/ ((module) => { module.exports = { "100": "Continue", "101": "Switching Protocols", "102": "Processing", "200": "OK", "201": "Created", "202": "Accepted", "203": "Non-Authoritative Information", "204": "No Content", "205": "Reset Content", "206": "Partial Content", "207": "Multi-Status", "208": "Already Reported", "226": "IM Used", "300": "Multiple Choices", "301": "Moved Permanently", "302": "Found", "303": "See Other", "304": "Not Modified", "305": "Use Proxy", "307": "Temporary Redirect", "308": "Permanent Redirect", "400": "Bad Request", "401": "Unauthorized", "402": "Payment Required", "403": "Forbidden", "404": "Not Found", "405": "Method Not Allowed", "406": "Not Acceptable", "407": "Proxy Authentication Required", "408": "Request Timeout", "409": "Conflict", "410": "Gone", "411": "Length Required", "412": "Precondition Failed", "413": "Payload Too Large", "414": "URI Too Long", "415": "Unsupported Media Type", "416": "Range Not Satisfiable", "417": "Expectation Failed", "418": "I'm a teapot", "421": "Misdirected Request", "422": "Unprocessable Entity", "423": "Locked", "424": "Failed Dependency", "425": "Unordered Collection", "426": "Upgrade Required", "428": "Precondition Required", "429": "Too Many Requests", "431": "Request Header Fields Too Large", "451": "Unavailable For Legal Reasons", "500": "Internal Server Error", "501": "Not Implemented", "502": "Bad Gateway", "503": "Service Unavailable", "504": "Gateway Timeout", "505": "HTTP Version Not Supported", "506": "Variant Also Negotiates", "507": "Insufficient Storage", "508": "Loop Detected", "509": "Bandwidth Limit Exceeded", "510": "Not Extended", "511": "Network Authentication Required" } /***/ }), /***/ "../../node_modules/call-bind/callBound.js": /*!*************************************************!*\ !*** ../../node_modules/call-bind/callBound.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var GetIntrinsic = __webpack_require__(/*! get-intrinsic */ "../../node_modules/get-intrinsic/index.js"); var callBind = __webpack_require__(/*! ./ */ "../../node_modules/call-bind/index.js"); var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf')); module.exports = function callBoundIntrinsic(name, allowMissing) { var intrinsic = GetIntrinsic(name, !!allowMissing); if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) { return callBind(intrinsic); } return intrinsic; }; /***/ }), /***/ "../../node_modules/call-bind/index.js": /*!*********************************************!*\ !*** ../../node_modules/call-bind/index.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var bind = __webpack_require__(/*! function-bind */ "../../node_modules/function-bind/index.js"); var GetIntrinsic = __webpack_require__(/*! get-intrinsic */ "../../node_modules/get-intrinsic/index.js"); var $apply = GetIntrinsic('%Function.prototype.apply%'); var $call = GetIntrinsic('%Function.prototype.call%'); var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply); var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true); var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); var $max = GetIntrinsic('%Math.max%'); if ($defineProperty) { try { $defineProperty({}, 'a', { value: 1 }); } catch (e) { // IE 8 has a broken defineProperty $defineProperty = null; } } module.exports = function callBind(originalFunction) { var func = $reflectApply(bind, $call, arguments); if ($gOPD && $defineProperty) { var desc = $gOPD(func, 'length'); if (desc.configurable) { // original length, plus the receiver, minus any additional arguments (after the receiver) $defineProperty( func, 'length', { value: 1 + $max(0, originalFunction.length - (arguments.length - 1)) } ); } } return func; }; var applyBind = function applyBind() { return $reflectApply(bind, $apply, arguments); }; if ($defineProperty) { $defineProperty(module.exports, 'apply', { value: applyBind }); } else { module.exports.apply = applyBind; } /***/ }), /***/ "../../node_modules/cipher-base/index.js": /*!***********************************************!*\ !*** ../../node_modules/cipher-base/index.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var Transform = (__webpack_require__(/*! stream */ "../../node_modules/stream-browserify/index.js").Transform) var StringDecoder = (__webpack_require__(/*! string_decoder */ "../../node_modules/string_decoder/lib/string_decoder.js").StringDecoder) var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") function CipherBase (hashMode) { Transform.call(this) this.hashMode = typeof hashMode === 'string' if (this.hashMode) { this[hashMode] = this._finalOrDigest } else { this.final = this._finalOrDigest } if (this._final) { this.__final = this._final this._final = null } this._decoder = null this._encoding = null } inherits(CipherBase, Transform) CipherBase.prototype.update = function (data, inputEnc, outputEnc) { if (typeof data === 'string') { data = Buffer.from(data, inputEnc) } var outData = this._update(data) if (this.hashMode) return this if (outputEnc) { outData = this._toString(outData, outputEnc) } return outData } CipherBase.prototype.setAutoPadding = function () {} CipherBase.prototype.getAuthTag = function () { throw new Error('trying to get auth tag in unsupported state') } CipherBase.prototype.setAuthTag = function () { throw new Error('trying to set auth tag in unsupported state') } CipherBase.prototype.setAAD = function () { throw new Error('trying to set aad in unsupported state') } CipherBase.prototype._transform = function (data, _, next) { var err try { if (this.hashMode) { this._update(data) } else { this.push(this._update(data)) } } catch (e) { err = e } finally { next(err) } } CipherBase.prototype._flush = function (done) { var err try { this.push(this.__final()) } catch (e) { err = e } done(err) } CipherBase.prototype._finalOrDigest = function (outputEnc) { var outData = this.__final() || Buffer.alloc(0) if (outputEnc) { outData = this._toString(outData, outputEnc, true) } return outData } CipherBase.prototype._toString = function (value, enc, fin) { if (!this._decoder) { this._decoder = new StringDecoder(enc) this._encoding = enc } if (this._encoding !== enc) throw new Error('can\'t switch encodings') var out = this._decoder.write(value) if (fin) { out += this._decoder.end() } return out } module.exports = CipherBase /***/ }), /***/ "../../node_modules/create-ecdh/browser.js": /*!*************************************************!*\ !*** ../../node_modules/create-ecdh/browser.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; var elliptic = __webpack_require__(/*! elliptic */ "../../node_modules/elliptic/lib/elliptic.js") var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js") module.exports = function createECDH (curve) { return new ECDH(curve) } var aliases = { secp256k1: { name: 'secp256k1', byteLength: 32 }, secp224r1: { name: 'p224', byteLength: 28 }, prime256v1: { name: 'p256', byteLength: 32 }, prime192v1: { name: 'p192', byteLength: 24 }, ed25519: { name: 'ed25519', byteLength: 32 }, secp384r1: { name: 'p384', byteLength: 48 }, secp521r1: { name: 'p521', byteLength: 66 } } aliases.p224 = aliases.secp224r1 aliases.p256 = aliases.secp256r1 = aliases.prime256v1 aliases.p192 = aliases.secp192r1 = aliases.prime192v1 aliases.p384 = aliases.secp384r1 aliases.p521 = aliases.secp521r1 function ECDH (curve) { this.curveType = aliases[curve] if (!this.curveType) { this.curveType = { name: curve } } this.curve = new elliptic.ec(this.curveType.name) // eslint-disable-line new-cap this.keys = void 0 } ECDH.prototype.generateKeys = function (enc, format) { this.keys = this.curve.genKeyPair() return this.getPublicKey(enc, format) } ECDH.prototype.computeSecret = function (other, inenc, enc) { inenc = inenc || 'utf8' if (!Buffer.isBuffer(other)) { other = new Buffer(other, inenc) } var otherPub = this.curve.keyFromPublic(other).getPublic() var out = otherPub.mul(this.keys.getPrivate()).getX() return formatReturnValue(out, enc, this.curveType.byteLength) } ECDH.prototype.getPublicKey = function (enc, format) { var key = this.keys.getPublic(format === 'compressed', true) if (format === 'hybrid') { if (key[key.length - 1] % 2) { key[0] = 7 } else { key[0] = 6 } } return formatReturnValue(key, enc) } ECDH.prototype.getPrivateKey = function (enc) { return formatReturnValue(this.keys.getPrivate(), enc) } ECDH.prototype.setPublicKey = function (pub, enc) { enc = enc || 'utf8' if (!Buffer.isBuffer(pub)) { pub = new Buffer(pub, enc) } this.keys._importPublic(pub) return this } ECDH.prototype.setPrivateKey = function (priv, enc) { enc = enc || 'utf8' if (!Buffer.isBuffer(priv)) { priv = new Buffer(priv, enc) } var _priv = new BN(priv) _priv = _priv.toString(16) this.keys = this.curve.genKeyPair() this.keys._importPrivate(_priv) return this } function formatReturnValue (bn, enc, len) { if (!Array.isArray(bn)) { bn = bn.toArray() } var buf = new Buffer(bn) if (len && buf.length < len) { var zeros = new Buffer(len - buf.length) zeros.fill(0) buf = Buffer.concat([zeros, buf]) } if (!enc) { return buf } else { return buf.toString(enc) } } /***/ }), /***/ "../../node_modules/create-hash/browser.js": /*!*************************************************!*\ !*** ../../node_modules/create-hash/browser.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") var MD5 = __webpack_require__(/*! md5.js */ "../../node_modules/md5.js/index.js") var RIPEMD160 = __webpack_require__(/*! ripemd160 */ "../../node_modules/ripemd160/index.js") var sha = __webpack_require__(/*! sha.js */ "../../node_modules/sha.js/index.js") var Base = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") function Hash (hash) { Base.call(this, 'digest') this._hash = hash } inherits(Hash, Base) Hash.prototype._update = function (data) { this._hash.update(data) } Hash.prototype._final = function () { return this._hash.digest() } module.exports = function createHash (alg) { alg = alg.toLowerCase() if (alg === 'md5') return new MD5() if (alg === 'rmd160' || alg === 'ripemd160') return new RIPEMD160() return new Hash(sha(alg)) } /***/ }), /***/ "../../node_modules/create-hash/md5.js": /*!*********************************************!*\ !*** ../../node_modules/create-hash/md5.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var MD5 = __webpack_require__(/*! md5.js */ "../../node_modules/md5.js/index.js") module.exports = function (buffer) { return new MD5().update(buffer).digest() } /***/ }), /***/ "../../node_modules/create-hmac/browser.js": /*!*************************************************!*\ !*** ../../node_modules/create-hmac/browser.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") var Legacy = __webpack_require__(/*! ./legacy */ "../../node_modules/create-hmac/legacy.js") var Base = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var md5 = __webpack_require__(/*! create-hash/md5 */ "../../node_modules/create-hash/md5.js") var RIPEMD160 = __webpack_require__(/*! ripemd160 */ "../../node_modules/ripemd160/index.js") var sha = __webpack_require__(/*! sha.js */ "../../node_modules/sha.js/index.js") var ZEROS = Buffer.alloc(128) function Hmac (alg, key) { Base.call(this, 'digest') if (typeof key === 'string') { key = Buffer.from(key) } var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64 this._alg = alg this._key = key if (key.length > blocksize) { var hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg) key = hash.update(key).digest() } else if (key.length < blocksize) { key = Buffer.concat([key, ZEROS], blocksize) } var ipad = this._ipad = Buffer.allocUnsafe(blocksize) var opad = this._opad = Buffer.allocUnsafe(blocksize) for (var i = 0; i < blocksize; i++) { ipad[i] = key[i] ^ 0x36 opad[i] = key[i] ^ 0x5C } this._hash = alg === 'rmd160' ? new RIPEMD160() : sha(alg) this._hash.update(ipad) } inherits(Hmac, Base) Hmac.prototype._update = function (data) { this._hash.update(data) } Hmac.prototype._final = function () { var h = this._hash.digest() var hash = this._alg === 'rmd160' ? new RIPEMD160() : sha(this._alg) return hash.update(this._opad).update(h).digest() } module.exports = function createHmac (alg, key) { alg = alg.toLowerCase() if (alg === 'rmd160' || alg === 'ripemd160') { return new Hmac('rmd160', key) } if (alg === 'md5') { return new Legacy(md5, key) } return new Hmac(alg, key) } /***/ }), /***/ "../../node_modules/create-hmac/legacy.js": /*!************************************************!*\ !*** ../../node_modules/create-hmac/legacy.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var Base = __webpack_require__(/*! cipher-base */ "../../node_modules/cipher-base/index.js") var ZEROS = Buffer.alloc(128) var blocksize = 64 function Hmac (alg, key) { Base.call(this, 'digest') if (typeof key === 'string') { key = Buffer.from(key) } this._alg = alg this._key = key if (key.length > blocksize) { key = alg(key) } else if (key.length < blocksize) { key = Buffer.concat([key, ZEROS], blocksize) } var ipad = this._ipad = Buffer.allocUnsafe(blocksize) var opad = this._opad = Buffer.allocUnsafe(blocksize) for (var i = 0; i < blocksize; i++) { ipad[i] = key[i] ^ 0x36 opad[i] = key[i] ^ 0x5C } this._hash = [ipad] } inherits(Hmac, Base) Hmac.prototype._update = function (data) { this._hash.push(data) } Hmac.prototype._final = function () { var h = this._alg(Buffer.concat(this._hash)) return this._alg(Buffer.concat([this._opad, h])) } module.exports = Hmac /***/ }), /***/ "../../node_modules/crypto-browserify/index.js": /*!*****************************************************!*\ !*** ../../node_modules/crypto-browserify/index.js ***! \*****************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = __webpack_require__(/*! randombytes */ "../../node_modules/randombytes/browser.js") exports.createHash = exports.Hash = __webpack_require__(/*! create-hash */ "../../node_modules/create-hash/browser.js") exports.createHmac = exports.Hmac = __webpack_require__(/*! create-hmac */ "../../node_modules/create-hmac/browser.js") var algos = __webpack_require__(/*! browserify-sign/algos */ "../../node_modules/browserify-sign/algos.js") var algoKeys = Object.keys(algos) var hashes = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'].concat(algoKeys) exports.getHashes = function () { return hashes } var p = __webpack_require__(/*! pbkdf2 */ "../../node_modules/pbkdf2/browser.js") exports.pbkdf2 = p.pbkdf2 exports.pbkdf2Sync = p.pbkdf2Sync var aes = __webpack_require__(/*! browserify-cipher */ "../../node_modules/browserify-cipher/browser.js") exports.Cipher = aes.Cipher exports.createCipher = aes.createCipher exports.Cipheriv = aes.Cipheriv exports.createCipheriv = aes.createCipheriv exports.Decipher = aes.Decipher exports.createDecipher = aes.createDecipher exports.Decipheriv = aes.Decipheriv exports.createDecipheriv = aes.createDecipheriv exports.getCiphers = aes.getCiphers exports.listCiphers = aes.listCiphers var dh = __webpack_require__(/*! diffie-hellman */ "../../node_modules/diffie-hellman/browser.js") exports.DiffieHellmanGroup = dh.DiffieHellmanGroup exports.createDiffieHellmanGroup = dh.createDiffieHellmanGroup exports.getDiffieHellman = dh.getDiffieHellman exports.createDiffieHellman = dh.createDiffieHellman exports.DiffieHellman = dh.DiffieHellman var sign = __webpack_require__(/*! browserify-sign */ "../../node_modules/browserify-sign/browser/index.js") exports.createSign = sign.createSign exports.Sign = sign.Sign exports.createVerify = sign.createVerify exports.Verify = sign.Verify exports.createECDH = __webpack_require__(/*! create-ecdh */ "../../node_modules/create-ecdh/browser.js") var publicEncrypt = __webpack_require__(/*! public-encrypt */ "../../node_modules/public-encrypt/browser.js") exports.publicEncrypt = publicEncrypt.publicEncrypt exports.privateEncrypt = publicEncrypt.privateEncrypt exports.publicDecrypt = publicEncrypt.publicDecrypt exports.privateDecrypt = publicEncrypt.privateDecrypt // the least I can do is make error messages for the rest of the node.js/crypto api. // ;[ // 'createCredentials' // ].forEach(function (name) { // exports[name] = function () { // throw new Error([ // 'sorry, ' + name + ' is not implemented yet', // 'we accept pull requests', // 'https://github.com/crypto-browserify/crypto-browserify' // ].join('\n')) // } // }) var rf = __webpack_require__(/*! randomfill */ "../../node_modules/randomfill/browser.js") exports.randomFill = rf.randomFill exports.randomFillSync = rf.randomFillSync exports.createCredentials = function () { throw new Error([ 'sorry, createCredentials is not implemented yet', 'we accept pull requests', 'https://github.com/crypto-browserify/crypto-browserify' ].join('\n')) } exports.constants = { 'DH_CHECK_P_NOT_SAFE_PRIME': 2, 'DH_CHECK_P_NOT_PRIME': 1, 'DH_UNABLE_TO_CHECK_GENERATOR': 4, 'DH_NOT_SUITABLE_GENERATOR': 8, 'NPN_ENABLED': 1, 'ALPN_ENABLED': 1, 'RSA_PKCS1_PADDING': 1, 'RSA_SSLV23_PADDING': 2, 'RSA_NO_PADDING': 3, 'RSA_PKCS1_OAEP_PADDING': 4, 'RSA_X931_PADDING': 5, 'RSA_PKCS1_PSS_PADDING': 6, 'POINT_CONVERSION_COMPRESSED': 2, 'POINT_CONVERSION_UNCOMPRESSED': 4, 'POINT_CONVERSION_HYBRID': 6 } /***/ }), /***/ "../../node_modules/decimal.js/decimal.js": /*!************************************************!*\ !*** ../../node_modules/decimal.js/decimal.js ***! \************************************************/ /***/ (function(module, exports, __webpack_require__) { var __WEBPACK_AMD_DEFINE_RESULT__;;(function (globalScope) { 'use strict'; /*! * decimal.js v10.4.3 * An arbitrary-precision Decimal type for JavaScript. * https://github.com/MikeMcl/decimal.js * Copyright (c) 2022 Michael Mclaughlin * MIT Licence */ // ----------------------------------- EDITABLE DEFAULTS ------------------------------------ // // The maximum exponent magnitude. // The limit on the value of `toExpNeg`, `toExpPos`, `minE` and `maxE`. var EXP_LIMIT = 9e15, // 0 to 9e15 // The limit on the value of `precision`, and on the value of the first argument to // `toDecimalPlaces`, `toExponential`, `toFixed`, `toPrecision` and `toSignificantDigits`. MAX_DIGITS = 1e9, // 0 to 1e9 // Base conversion alphabet. NUMERALS = '0123456789abcdef', // The natural logarithm of 10 (1025 digits). LN10 = '2.3025850929940456840179914546843642076011014886287729760333279009675726096773524802359972050895982983419677840422862486334095254650828067566662873690987816894829072083255546808437998948262331985283935053089653777326288461633662222876982198867465436674744042432743651550489343149393914796194044002221051017141748003688084012647080685567743216228355220114804663715659121373450747856947683463616792101806445070648000277502684916746550586856935673420670581136429224554405758925724208241314695689016758940256776311356919292033376587141660230105703089634572075440370847469940168269282808481184289314848524948644871927809676271275775397027668605952496716674183485704422507197965004714951050492214776567636938662976979522110718264549734772662425709429322582798502585509785265383207606726317164309505995087807523710333101197857547331541421808427543863591778117054309827482385045648019095610299291824318237525357709750539565187697510374970888692180205189339507238539205144634197265287286965110862571492198849978748873771345686209167058', // Pi (1025 digits). PI = '3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989380952572010654858632789', // The initial configuration properties of the Decimal constructor. DEFAULTS = { // These values must be integers within the stated ranges (inclusive). // Most of these values can be changed at run-time using the `Decimal.config` method. // The maximum number of significant digits of the result of a calculation or base conversion. // E.g. `Decimal.config({ precision: 20 });` precision: 20, // 1 to MAX_DIGITS // The rounding mode used when rounding to `precision`. // // ROUND_UP 0 Away from zero. // ROUND_DOWN 1 Towards zero. // ROUND_CEIL 2 Towards +Infinity. // ROUND_FLOOR 3 Towards -Infinity. // ROUND_HALF_UP 4 Towards nearest neighbour. If equidistant, up. // ROUND_HALF_DOWN 5 Towards nearest neighbour. If equidistant, down. // ROUND_HALF_EVEN 6 Towards nearest neighbour. If equidistant, towards even neighbour. // ROUND_HALF_CEIL 7 Towards nearest neighbour. If equidistant, towards +Infinity. // ROUND_HALF_FLOOR 8 Towards nearest neighbour. If equidistant, towards -Infinity. // // E.g. // `Decimal.rounding = 4;` // `Decimal.rounding = Decimal.ROUND_HALF_UP;` rounding: 4, // 0 to 8 // The modulo mode used when calculating the modulus: a mod n. // The quotient (q = a / n) is calculated according to the corresponding rounding mode. // The remainder (r) is calculated as: r = a - n * q. // // UP 0 The remainder is positive if the dividend is negative, else is negative. // DOWN 1 The remainder has the same sign as the dividend (JavaScript %). // FLOOR 3 The remainder has the same sign as the divisor (Python %). // HALF_EVEN 6 The IEEE 754 remainder function. // EUCLID 9 Euclidian division. q = sign(n) * floor(a / abs(n)). Always positive. // // Truncated division (1), floored division (3), the IEEE 754 remainder (6), and Euclidian // division (9) are commonly used for the modulus operation. The other rounding modes can also // be used, but they may not give useful results. modulo: 1, // 0 to 9 // The exponent value at and beneath which `toString` returns exponential notation. // JavaScript numbers: -7 toExpNeg: -7, // 0 to -EXP_LIMIT // The exponent value at and above which `toString` returns exponential notation. // JavaScript numbers: 21 toExpPos: 21, // 0 to EXP_LIMIT // The minimum exponent value, beneath which underflow to zero occurs. // JavaScript numbers: -324 (5e-324) minE: -EXP_LIMIT, // -1 to -EXP_LIMIT // The maximum exponent value, above which overflow to Infinity occurs. // JavaScript numbers: 308 (1.7976931348623157e+308) maxE: EXP_LIMIT, // 1 to EXP_LIMIT // Whether to use cryptographically-secure random number generation, if available. crypto: false // true/false }, // ----------------------------------- END OF EDITABLE DEFAULTS ------------------------------- // Decimal, inexact, noConflict, quadrant, external = true, decimalError = '[DecimalError] ', invalidArgument = decimalError + 'Invalid argument: ', precisionLimitExceeded = decimalError + 'Precision limit exceeded', cryptoUnavailable = decimalError + 'crypto unavailable', tag = '[object Decimal]', mathfloor = Math.floor, mathpow = Math.pow, isBinary = /^0b([01]+(\.[01]*)?|\.[01]+)(p[+-]?\d+)?$/i, isHex = /^0x([0-9a-f]+(\.[0-9a-f]*)?|\.[0-9a-f]+)(p[+-]?\d+)?$/i, isOctal = /^0o([0-7]+(\.[0-7]*)?|\.[0-7]+)(p[+-]?\d+)?$/i, isDecimal = /^(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i, BASE = 1e7, LOG_BASE = 7, MAX_SAFE_INTEGER = 9007199254740991, LN10_PRECISION = LN10.length - 1, PI_PRECISION = PI.length - 1, // Decimal.prototype object P = { toStringTag: tag }; // Decimal prototype methods /* * absoluteValue abs * ceil * clampedTo clamp * comparedTo cmp * cosine cos * cubeRoot cbrt * decimalPlaces dp * dividedBy div * dividedToIntegerBy divToInt * equals eq * floor * greaterThan gt * greaterThanOrEqualTo gte * hyperbolicCosine cosh * hyperbolicSine sinh * hyperbolicTangent tanh * inverseCosine acos * inverseHyperbolicCosine acosh * inverseHyperbolicSine asinh * inverseHyperbolicTangent atanh * inverseSine asin * inverseTangent atan * isFinite * isInteger isInt * isNaN * isNegative isNeg * isPositive isPos * isZero * lessThan lt * lessThanOrEqualTo lte * logarithm log * [maximum] [max] * [minimum] [min] * minus sub * modulo mod * naturalExponential exp * naturalLogarithm ln * negated neg * plus add * precision sd * round * sine sin * squareRoot sqrt * tangent tan * times mul * toBinary * toDecimalPlaces toDP * toExponential * toFixed * toFraction * toHexadecimal toHex * toNearest * toNumber * toOctal * toPower pow * toPrecision * toSignificantDigits toSD * toString * truncated trunc * valueOf toJSON */ /* * Return a new Decimal whose value is the absolute value of this Decimal. * */ P.absoluteValue = P.abs = function () { var x = new this.constructor(this); if (x.s < 0) x.s = 1; return finalise(x); }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a whole number in the * direction of positive Infinity. * */ P.ceil = function () { return finalise(new this.constructor(this), this.e + 1, 2); }; /* * Return a new Decimal whose value is the value of this Decimal clamped to the range * delineated by `min` and `max`. * * min {number|string|Decimal} * max {number|string|Decimal} * */ P.clampedTo = P.clamp = function (min, max) { var k, x = this, Ctor = x.constructor; min = new Ctor(min); max = new Ctor(max); if (!min.s || !max.s) return new Ctor(NaN); if (min.gt(max)) throw Error(invalidArgument + max); k = x.cmp(min); return k < 0 ? min : x.cmp(max) > 0 ? max : new Ctor(x); }; /* * Return * 1 if the value of this Decimal is greater than the value of `y`, * -1 if the value of this Decimal is less than the value of `y`, * 0 if they have the same value, * NaN if the value of either Decimal is NaN. * */ P.comparedTo = P.cmp = function (y) { var i, j, xdL, ydL, x = this, xd = x.d, yd = (y = new x.constructor(y)).d, xs = x.s, ys = y.s; // Either NaN or ±Infinity? if (!xd || !yd) { return !xs || !ys ? NaN : xs !== ys ? xs : xd === yd ? 0 : !xd ^ xs < 0 ? 1 : -1; } // Either zero? if (!xd[0] || !yd[0]) return xd[0] ? xs : yd[0] ? -ys : 0; // Signs differ? if (xs !== ys) return xs; // Compare exponents. if (x.e !== y.e) return x.e > y.e ^ xs < 0 ? 1 : -1; xdL = xd.length; ydL = yd.length; // Compare digit by digit. for (i = 0, j = xdL < ydL ? xdL : ydL; i < j; ++i) { if (xd[i] !== yd[i]) return xd[i] > yd[i] ^ xs < 0 ? 1 : -1; } // Compare lengths. return xdL === ydL ? 0 : xdL > ydL ^ xs < 0 ? 1 : -1; }; /* * Return a new Decimal whose value is the cosine of the value in radians of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-1, 1] * * cos(0) = 1 * cos(-0) = 1 * cos(Infinity) = NaN * cos(-Infinity) = NaN * cos(NaN) = NaN * */ P.cosine = P.cos = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.d) return new Ctor(NaN); // cos(0) = cos(-0) = 1 if (!x.d[0]) return new Ctor(1); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + LOG_BASE; Ctor.rounding = 1; x = cosine(Ctor, toLessThanHalfPi(Ctor, x)); Ctor.precision = pr; Ctor.rounding = rm; return finalise(quadrant == 2 || quadrant == 3 ? x.neg() : x, pr, rm, true); }; /* * * Return a new Decimal whose value is the cube root of the value of this Decimal, rounded to * `precision` significant digits using rounding mode `rounding`. * * cbrt(0) = 0 * cbrt(-0) = -0 * cbrt(1) = 1 * cbrt(-1) = -1 * cbrt(N) = N * cbrt(-I) = -I * cbrt(I) = I * * Math.cbrt(x) = (x < 0 ? -Math.pow(-x, 1/3) : Math.pow(x, 1/3)) * */ P.cubeRoot = P.cbrt = function () { var e, m, n, r, rep, s, sd, t, t3, t3plusx, x = this, Ctor = x.constructor; if (!x.isFinite() || x.isZero()) return new Ctor(x); external = false; // Initial estimate. s = x.s * mathpow(x.s * x, 1 / 3); // Math.cbrt underflow/overflow? // Pass x to Math.pow as integer, then adjust the exponent of the result. if (!s || Math.abs(s) == 1 / 0) { n = digitsToString(x.d); e = x.e; // Adjust n exponent so it is a multiple of 3 away from x exponent. if (s = (e - n.length + 1) % 3) n += (s == 1 || s == -2 ? '0' : '00'); s = mathpow(n, 1 / 3); // Rarely, e may be one less than the result exponent value. e = mathfloor((e + 1) / 3) - (e % 3 == (e < 0 ? -1 : 2)); if (s == 1 / 0) { n = '5e' + e; } else { n = s.toExponential(); n = n.slice(0, n.indexOf('e') + 1) + e; } r = new Ctor(n); r.s = x.s; } else { r = new Ctor(s.toString()); } sd = (e = Ctor.precision) + 3; // Halley's method. // TODO? Compare Newton's method. for (;;) { t = r; t3 = t.times(t).times(t); t3plusx = t3.plus(x); r = divide(t3plusx.plus(x).times(t), t3plusx.plus(t3), sd + 2, 1); // TODO? Replace with for-loop and checkRoundingDigits. if (digitsToString(t.d).slice(0, sd) === (n = digitsToString(r.d)).slice(0, sd)) { n = n.slice(sd - 3, sd + 1); // The 4th rounding digit may be in error by -1 so if the 4 rounding digits are 9999 or 4999 // , i.e. approaching a rounding boundary, continue the iteration. if (n == '9999' || !rep && n == '4999') { // On the first iteration only, check to see if rounding up gives the exact result as the // nines may infinitely repeat. if (!rep) { finalise(t, e + 1, 0); if (t.times(t).times(t).eq(x)) { r = t; break; } } sd += 4; rep = 1; } else { // If the rounding digits are null, 0{0,4} or 50{0,3}, check for an exact result. // If not, then there are further digits and m will be truthy. if (!+n || !+n.slice(1) && n.charAt(0) == '5') { // Truncate to the first rounding digit. finalise(r, e + 1, 1); m = !r.times(r).times(r).eq(x); } break; } } } external = true; return finalise(r, e, Ctor.rounding, m); }; /* * Return the number of decimal places of the value of this Decimal. * */ P.decimalPlaces = P.dp = function () { var w, d = this.d, n = NaN; if (d) { w = d.length - 1; n = (w - mathfloor(this.e / LOG_BASE)) * LOG_BASE; // Subtract the number of trailing zeros of the last word. w = d[w]; if (w) for (; w % 10 == 0; w /= 10) n--; if (n < 0) n = 0; } return n; }; /* * n / 0 = I * n / N = N * n / I = 0 * 0 / n = 0 * 0 / 0 = N * 0 / N = N * 0 / I = 0 * N / n = N * N / 0 = N * N / N = N * N / I = N * I / n = I * I / 0 = I * I / N = N * I / I = N * * Return a new Decimal whose value is the value of this Decimal divided by `y`, rounded to * `precision` significant digits using rounding mode `rounding`. * */ P.dividedBy = P.div = function (y) { return divide(this, new this.constructor(y)); }; /* * Return a new Decimal whose value is the integer part of dividing the value of this Decimal * by the value of `y`, rounded to `precision` significant digits using rounding mode `rounding`. * */ P.dividedToIntegerBy = P.divToInt = function (y) { var x = this, Ctor = x.constructor; return finalise(divide(x, new Ctor(y), 0, 1, 1), Ctor.precision, Ctor.rounding); }; /* * Return true if the value of this Decimal is equal to the value of `y`, otherwise return false. * */ P.equals = P.eq = function (y) { return this.cmp(y) === 0; }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a whole number in the * direction of negative Infinity. * */ P.floor = function () { return finalise(new this.constructor(this), this.e + 1, 3); }; /* * Return true if the value of this Decimal is greater than the value of `y`, otherwise return * false. * */ P.greaterThan = P.gt = function (y) { return this.cmp(y) > 0; }; /* * Return true if the value of this Decimal is greater than or equal to the value of `y`, * otherwise return false. * */ P.greaterThanOrEqualTo = P.gte = function (y) { var k = this.cmp(y); return k == 1 || k === 0; }; /* * Return a new Decimal whose value is the hyperbolic cosine of the value in radians of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [1, Infinity] * * cosh(x) = 1 + x^2/2! + x^4/4! + x^6/6! + ... * * cosh(0) = 1 * cosh(-0) = 1 * cosh(Infinity) = Infinity * cosh(-Infinity) = Infinity * cosh(NaN) = NaN * * x time taken (ms) result * 1000 9 9.8503555700852349694e+433 * 10000 25 4.4034091128314607936e+4342 * 100000 171 1.4033316802130615897e+43429 * 1000000 3817 1.5166076984010437725e+434294 * 10000000 abandoned after 2 minute wait * * TODO? Compare performance of cosh(x) = 0.5 * (exp(x) + exp(-x)) * */ P.hyperbolicCosine = P.cosh = function () { var k, n, pr, rm, len, x = this, Ctor = x.constructor, one = new Ctor(1); if (!x.isFinite()) return new Ctor(x.s ? 1 / 0 : NaN); if (x.isZero()) return one; pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + 4; Ctor.rounding = 1; len = x.d.length; // Argument reduction: cos(4x) = 1 - 8cos^2(x) + 8cos^4(x) + 1 // i.e. cos(x) = 1 - cos^2(x/4)(8 - 8cos^2(x/4)) // Estimate the optimum number of times to use the argument reduction. // TODO? Estimation reused from cosine() and may not be optimal here. if (len < 32) { k = Math.ceil(len / 3); n = (1 / tinyPow(4, k)).toString(); } else { k = 16; n = '2.3283064365386962890625e-10'; } x = taylorSeries(Ctor, 1, x.times(n), new Ctor(1), true); // Reverse argument reduction var cosh2_x, i = k, d8 = new Ctor(8); for (; i--;) { cosh2_x = x.times(x); x = one.minus(cosh2_x.times(d8.minus(cosh2_x.times(d8)))); } return finalise(x, Ctor.precision = pr, Ctor.rounding = rm, true); }; /* * Return a new Decimal whose value is the hyperbolic sine of the value in radians of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [-Infinity, Infinity] * * sinh(x) = x + x^3/3! + x^5/5! + x^7/7! + ... * * sinh(0) = 0 * sinh(-0) = -0 * sinh(Infinity) = Infinity * sinh(-Infinity) = -Infinity * sinh(NaN) = NaN * * x time taken (ms) * 10 2 ms * 100 5 ms * 1000 14 ms * 10000 82 ms * 100000 886 ms 1.4033316802130615897e+43429 * 200000 2613 ms * 300000 5407 ms * 400000 8824 ms * 500000 13026 ms 8.7080643612718084129e+217146 * 1000000 48543 ms * * TODO? Compare performance of sinh(x) = 0.5 * (exp(x) - exp(-x)) * */ P.hyperbolicSine = P.sinh = function () { var k, pr, rm, len, x = this, Ctor = x.constructor; if (!x.isFinite() || x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + 4; Ctor.rounding = 1; len = x.d.length; if (len < 3) { x = taylorSeries(Ctor, 2, x, x, true); } else { // Alternative argument reduction: sinh(3x) = sinh(x)(3 + 4sinh^2(x)) // i.e. sinh(x) = sinh(x/3)(3 + 4sinh^2(x/3)) // 3 multiplications and 1 addition // Argument reduction: sinh(5x) = sinh(x)(5 + sinh^2(x)(20 + 16sinh^2(x))) // i.e. sinh(x) = sinh(x/5)(5 + sinh^2(x/5)(20 + 16sinh^2(x/5))) // 4 multiplications and 2 additions // Estimate the optimum number of times to use the argument reduction. k = 1.4 * Math.sqrt(len); k = k > 16 ? 16 : k | 0; x = x.times(1 / tinyPow(5, k)); x = taylorSeries(Ctor, 2, x, x, true); // Reverse argument reduction var sinh2_x, d5 = new Ctor(5), d16 = new Ctor(16), d20 = new Ctor(20); for (; k--;) { sinh2_x = x.times(x); x = x.times(d5.plus(sinh2_x.times(d16.times(sinh2_x).plus(d20)))); } } Ctor.precision = pr; Ctor.rounding = rm; return finalise(x, pr, rm, true); }; /* * Return a new Decimal whose value is the hyperbolic tangent of the value in radians of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [-1, 1] * * tanh(x) = sinh(x) / cosh(x) * * tanh(0) = 0 * tanh(-0) = -0 * tanh(Infinity) = 1 * tanh(-Infinity) = -1 * tanh(NaN) = NaN * */ P.hyperbolicTangent = P.tanh = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(x.s); if (x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + 7; Ctor.rounding = 1; return divide(x.sinh(), x.cosh(), Ctor.precision = pr, Ctor.rounding = rm); }; /* * Return a new Decimal whose value is the arccosine (inverse cosine) in radians of the value of * this Decimal. * * Domain: [-1, 1] * Range: [0, pi] * * acos(x) = pi/2 - asin(x) * * acos(0) = pi/2 * acos(-0) = pi/2 * acos(1) = 0 * acos(-1) = pi * acos(1/2) = pi/3 * acos(-1/2) = 2*pi/3 * acos(|x| > 1) = NaN * acos(NaN) = NaN * */ P.inverseCosine = P.acos = function () { var halfPi, x = this, Ctor = x.constructor, k = x.abs().cmp(1), pr = Ctor.precision, rm = Ctor.rounding; if (k !== -1) { return k === 0 // |x| is 1 ? x.isNeg() ? getPi(Ctor, pr, rm) : new Ctor(0) // |x| > 1 or x is NaN : new Ctor(NaN); } if (x.isZero()) return getPi(Ctor, pr + 4, rm).times(0.5); // TODO? Special case acos(0.5) = pi/3 and acos(-0.5) = 2*pi/3 Ctor.precision = pr + 6; Ctor.rounding = 1; x = x.asin(); halfPi = getPi(Ctor, pr + 4, rm).times(0.5); Ctor.precision = pr; Ctor.rounding = rm; return halfPi.minus(x); }; /* * Return a new Decimal whose value is the inverse of the hyperbolic cosine in radians of the * value of this Decimal. * * Domain: [1, Infinity] * Range: [0, Infinity] * * acosh(x) = ln(x + sqrt(x^2 - 1)) * * acosh(x < 1) = NaN * acosh(NaN) = NaN * acosh(Infinity) = Infinity * acosh(-Infinity) = NaN * acosh(0) = NaN * acosh(-0) = NaN * acosh(1) = 0 * acosh(-1) = NaN * */ P.inverseHyperbolicCosine = P.acosh = function () { var pr, rm, x = this, Ctor = x.constructor; if (x.lte(1)) return new Ctor(x.eq(1) ? 0 : NaN); if (!x.isFinite()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(Math.abs(x.e), x.sd()) + 4; Ctor.rounding = 1; external = false; x = x.times(x).minus(1).sqrt().plus(x); external = true; Ctor.precision = pr; Ctor.rounding = rm; return x.ln(); }; /* * Return a new Decimal whose value is the inverse of the hyperbolic sine in radians of the value * of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-Infinity, Infinity] * * asinh(x) = ln(x + sqrt(x^2 + 1)) * * asinh(NaN) = NaN * asinh(Infinity) = Infinity * asinh(-Infinity) = -Infinity * asinh(0) = 0 * asinh(-0) = -0 * */ P.inverseHyperbolicSine = P.asinh = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite() || x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + 2 * Math.max(Math.abs(x.e), x.sd()) + 6; Ctor.rounding = 1; external = false; x = x.times(x).plus(1).sqrt().plus(x); external = true; Ctor.precision = pr; Ctor.rounding = rm; return x.ln(); }; /* * Return a new Decimal whose value is the inverse of the hyperbolic tangent in radians of the * value of this Decimal. * * Domain: [-1, 1] * Range: [-Infinity, Infinity] * * atanh(x) = 0.5 * ln((1 + x) / (1 - x)) * * atanh(|x| > 1) = NaN * atanh(NaN) = NaN * atanh(Infinity) = NaN * atanh(-Infinity) = NaN * atanh(0) = 0 * atanh(-0) = -0 * atanh(1) = Infinity * atanh(-1) = -Infinity * */ P.inverseHyperbolicTangent = P.atanh = function () { var pr, rm, wpr, xsd, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(NaN); if (x.e >= 0) return new Ctor(x.abs().eq(1) ? x.s / 0 : x.isZero() ? x : NaN); pr = Ctor.precision; rm = Ctor.rounding; xsd = x.sd(); if (Math.max(xsd, pr) < 2 * -x.e - 1) return finalise(new Ctor(x), pr, rm, true); Ctor.precision = wpr = xsd - x.e; x = divide(x.plus(1), new Ctor(1).minus(x), wpr + pr, 1); Ctor.precision = pr + 4; Ctor.rounding = 1; x = x.ln(); Ctor.precision = pr; Ctor.rounding = rm; return x.times(0.5); }; /* * Return a new Decimal whose value is the arcsine (inverse sine) in radians of the value of this * Decimal. * * Domain: [-Infinity, Infinity] * Range: [-pi/2, pi/2] * * asin(x) = 2*atan(x/(1 + sqrt(1 - x^2))) * * asin(0) = 0 * asin(-0) = -0 * asin(1/2) = pi/6 * asin(-1/2) = -pi/6 * asin(1) = pi/2 * asin(-1) = -pi/2 * asin(|x| > 1) = NaN * asin(NaN) = NaN * * TODO? Compare performance of Taylor series. * */ P.inverseSine = P.asin = function () { var halfPi, k, pr, rm, x = this, Ctor = x.constructor; if (x.isZero()) return new Ctor(x); k = x.abs().cmp(1); pr = Ctor.precision; rm = Ctor.rounding; if (k !== -1) { // |x| is 1 if (k === 0) { halfPi = getPi(Ctor, pr + 4, rm).times(0.5); halfPi.s = x.s; return halfPi; } // |x| > 1 or x is NaN return new Ctor(NaN); } // TODO? Special case asin(1/2) = pi/6 and asin(-1/2) = -pi/6 Ctor.precision = pr + 6; Ctor.rounding = 1; x = x.div(new Ctor(1).minus(x.times(x)).sqrt().plus(1)).atan(); Ctor.precision = pr; Ctor.rounding = rm; return x.times(2); }; /* * Return a new Decimal whose value is the arctangent (inverse tangent) in radians of the value * of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-pi/2, pi/2] * * atan(x) = x - x^3/3 + x^5/5 - x^7/7 + ... * * atan(0) = 0 * atan(-0) = -0 * atan(1) = pi/4 * atan(-1) = -pi/4 * atan(Infinity) = pi/2 * atan(-Infinity) = -pi/2 * atan(NaN) = NaN * */ P.inverseTangent = P.atan = function () { var i, j, k, n, px, t, r, wpr, x2, x = this, Ctor = x.constructor, pr = Ctor.precision, rm = Ctor.rounding; if (!x.isFinite()) { if (!x.s) return new Ctor(NaN); if (pr + 4 <= PI_PRECISION) { r = getPi(Ctor, pr + 4, rm).times(0.5); r.s = x.s; return r; } } else if (x.isZero()) { return new Ctor(x); } else if (x.abs().eq(1) && pr + 4 <= PI_PRECISION) { r = getPi(Ctor, pr + 4, rm).times(0.25); r.s = x.s; return r; } Ctor.precision = wpr = pr + 10; Ctor.rounding = 1; // TODO? if (x >= 1 && pr <= PI_PRECISION) atan(x) = halfPi * x.s - atan(1 / x); // Argument reduction // Ensure |x| < 0.42 // atan(x) = 2 * atan(x / (1 + sqrt(1 + x^2))) k = Math.min(28, wpr / LOG_BASE + 2 | 0); for (i = k; i; --i) x = x.div(x.times(x).plus(1).sqrt().plus(1)); external = false; j = Math.ceil(wpr / LOG_BASE); n = 1; x2 = x.times(x); r = new Ctor(x); px = x; // atan(x) = x - x^3/3 + x^5/5 - x^7/7 + ... for (; i !== -1;) { px = px.times(x2); t = r.minus(px.div(n += 2)); px = px.times(x2); r = t.plus(px.div(n += 2)); if (r.d[j] !== void 0) for (i = j; r.d[i] === t.d[i] && i--;); } if (k) r = r.times(2 << (k - 1)); external = true; return finalise(r, Ctor.precision = pr, Ctor.rounding = rm, true); }; /* * Return true if the value of this Decimal is a finite number, otherwise return false. * */ P.isFinite = function () { return !!this.d; }; /* * Return true if the value of this Decimal is an integer, otherwise return false. * */ P.isInteger = P.isInt = function () { return !!this.d && mathfloor(this.e / LOG_BASE) > this.d.length - 2; }; /* * Return true if the value of this Decimal is NaN, otherwise return false. * */ P.isNaN = function () { return !this.s; }; /* * Return true if the value of this Decimal is negative, otherwise return false. * */ P.isNegative = P.isNeg = function () { return this.s < 0; }; /* * Return true if the value of this Decimal is positive, otherwise return false. * */ P.isPositive = P.isPos = function () { return this.s > 0; }; /* * Return true if the value of this Decimal is 0 or -0, otherwise return false. * */ P.isZero = function () { return !!this.d && this.d[0] === 0; }; /* * Return true if the value of this Decimal is less than `y`, otherwise return false. * */ P.lessThan = P.lt = function (y) { return this.cmp(y) < 0; }; /* * Return true if the value of this Decimal is less than or equal to `y`, otherwise return false. * */ P.lessThanOrEqualTo = P.lte = function (y) { return this.cmp(y) < 1; }; /* * Return the logarithm of the value of this Decimal to the specified base, rounded to `precision` * significant digits using rounding mode `rounding`. * * If no base is specified, return log[10](arg). * * log[base](arg) = ln(arg) / ln(base) * * The result will always be correctly rounded if the base of the log is 10, and 'almost always' * otherwise: * * Depending on the rounding mode, the result may be incorrectly rounded if the first fifteen * rounding digits are [49]99999999999999 or [50]00000000000000. In that case, the maximum error * between the result and the correctly rounded result will be one ulp (unit in the last place). * * log[-b](a) = NaN * log[0](a) = NaN * log[1](a) = NaN * log[NaN](a) = NaN * log[Infinity](a) = NaN * log[b](0) = -Infinity * log[b](-0) = -Infinity * log[b](-a) = NaN * log[b](1) = 0 * log[b](Infinity) = Infinity * log[b](NaN) = NaN * * [base] {number|string|Decimal} The base of the logarithm. * */ P.logarithm = P.log = function (base) { var isBase10, d, denominator, k, inf, num, sd, r, arg = this, Ctor = arg.constructor, pr = Ctor.precision, rm = Ctor.rounding, guard = 5; // Default base is 10. if (base == null) { base = new Ctor(10); isBase10 = true; } else { base = new Ctor(base); d = base.d; // Return NaN if base is negative, or non-finite, or is 0 or 1. if (base.s < 0 || !d || !d[0] || base.eq(1)) return new Ctor(NaN); isBase10 = base.eq(10); } d = arg.d; // Is arg negative, non-finite, 0 or 1? if (arg.s < 0 || !d || !d[0] || arg.eq(1)) { return new Ctor(d && !d[0] ? -1 / 0 : arg.s != 1 ? NaN : d ? 0 : 1 / 0); } // The result will have a non-terminating decimal expansion if base is 10 and arg is not an // integer power of 10. if (isBase10) { if (d.length > 1) { inf = true; } else { for (k = d[0]; k % 10 === 0;) k /= 10; inf = k !== 1; } } external = false; sd = pr + guard; num = naturalLogarithm(arg, sd); denominator = isBase10 ? getLn10(Ctor, sd + 10) : naturalLogarithm(base, sd); // The result will have 5 rounding digits. r = divide(num, denominator, sd, 1); // If at a rounding boundary, i.e. the result's rounding digits are [49]9999 or [50]0000, // calculate 10 further digits. // // If the result is known to have an infinite decimal expansion, repeat this until it is clear // that the result is above or below the boundary. Otherwise, if after calculating the 10 // further digits, the last 14 are nines, round up and assume the result is exact. // Also assume the result is exact if the last 14 are zero. // // Example of a result that will be incorrectly rounded: // log[1048576](4503599627370502) = 2.60000000000000009610279511444746... // The above result correctly rounded using ROUND_CEIL to 1 decimal place should be 2.7, but it // will be given as 2.6 as there are 15 zeros immediately after the requested decimal place, so // the exact result would be assumed to be 2.6, which rounded using ROUND_CEIL to 1 decimal // place is still 2.6. if (checkRoundingDigits(r.d, k = pr, rm)) { do { sd += 10; num = naturalLogarithm(arg, sd); denominator = isBase10 ? getLn10(Ctor, sd + 10) : naturalLogarithm(base, sd); r = divide(num, denominator, sd, 1); if (!inf) { // Check for 14 nines from the 2nd rounding digit, as the first may be 4. if (+digitsToString(r.d).slice(k + 1, k + 15) + 1 == 1e14) { r = finalise(r, pr + 1, 0); } break; } } while (checkRoundingDigits(r.d, k += 10, rm)); } external = true; return finalise(r, pr, rm); }; /* * Return a new Decimal whose value is the maximum of the arguments and the value of this Decimal. * * arguments {number|string|Decimal} * P.max = function () { Array.prototype.push.call(arguments, this); return maxOrMin(this.constructor, arguments, 'lt'); }; */ /* * Return a new Decimal whose value is the minimum of the arguments and the value of this Decimal. * * arguments {number|string|Decimal} * P.min = function () { Array.prototype.push.call(arguments, this); return maxOrMin(this.constructor, arguments, 'gt'); }; */ /* * n - 0 = n * n - N = N * n - I = -I * 0 - n = -n * 0 - 0 = 0 * 0 - N = N * 0 - I = -I * N - n = N * N - 0 = N * N - N = N * N - I = N * I - n = I * I - 0 = I * I - N = N * I - I = N * * Return a new Decimal whose value is the value of this Decimal minus `y`, rounded to `precision` * significant digits using rounding mode `rounding`. * */ P.minus = P.sub = function (y) { var d, e, i, j, k, len, pr, rm, xd, xe, xLTy, yd, x = this, Ctor = x.constructor; y = new Ctor(y); // If either is not finite... if (!x.d || !y.d) { // Return NaN if either is NaN. if (!x.s || !y.s) y = new Ctor(NaN); // Return y negated if x is finite and y is ±Infinity. else if (x.d) y.s = -y.s; // Return x if y is finite and x is ±Infinity. // Return x if both are ±Infinity with different signs. // Return NaN if both are ±Infinity with the same sign. else y = new Ctor(y.d || x.s !== y.s ? x : NaN); return y; } // If signs differ... if (x.s != y.s) { y.s = -y.s; return x.plus(y); } xd = x.d; yd = y.d; pr = Ctor.precision; rm = Ctor.rounding; // If either is zero... if (!xd[0] || !yd[0]) { // Return y negated if x is zero and y is non-zero. if (yd[0]) y.s = -y.s; // Return x if y is zero and x is non-zero. else if (xd[0]) y = new Ctor(x); // Return zero if both are zero. // From IEEE 754 (2008) 6.3: 0 - 0 = -0 - -0 = -0 when rounding to -Infinity. else return new Ctor(rm === 3 ? -0 : 0); return external ? finalise(y, pr, rm) : y; } // x and y are finite, non-zero numbers with the same sign. // Calculate base 1e7 exponents. e = mathfloor(y.e / LOG_BASE); xe = mathfloor(x.e / LOG_BASE); xd = xd.slice(); k = xe - e; // If base 1e7 exponents differ... if (k) { xLTy = k < 0; if (xLTy) { d = xd; k = -k; len = yd.length; } else { d = yd; e = xe; len = xd.length; } // Numbers with massively different exponents would result in a very high number of // zeros needing to be prepended, but this can be avoided while still ensuring correct // rounding by limiting the number of zeros to `Math.ceil(pr / LOG_BASE) + 2`. i = Math.max(Math.ceil(pr / LOG_BASE), len) + 2; if (k > i) { k = i; d.length = 1; } // Prepend zeros to equalise exponents. d.reverse(); for (i = k; i--;) d.push(0); d.reverse(); // Base 1e7 exponents equal. } else { // Check digits to determine which is the bigger number. i = xd.length; len = yd.length; xLTy = i < len; if (xLTy) len = i; for (i = 0; i < len; i++) { if (xd[i] != yd[i]) { xLTy = xd[i] < yd[i]; break; } } k = 0; } if (xLTy) { d = xd; xd = yd; yd = d; y.s = -y.s; } len = xd.length; // Append zeros to `xd` if shorter. // Don't add zeros to `yd` if shorter as subtraction only needs to start at `yd` length. for (i = yd.length - len; i > 0; --i) xd[len++] = 0; // Subtract yd from xd. for (i = yd.length; i > k;) { if (xd[--i] < yd[i]) { for (j = i; j && xd[--j] === 0;) xd[j] = BASE - 1; --xd[j]; xd[i] += BASE; } xd[i] -= yd[i]; } // Remove trailing zeros. for (; xd[--len] === 0;) xd.pop(); // Remove leading zeros and adjust exponent accordingly. for (; xd[0] === 0; xd.shift()) --e; // Zero? if (!xd[0]) return new Ctor(rm === 3 ? -0 : 0); y.d = xd; y.e = getBase10Exponent(xd, e); return external ? finalise(y, pr, rm) : y; }; /* * n % 0 = N * n % N = N * n % I = n * 0 % n = 0 * -0 % n = -0 * 0 % 0 = N * 0 % N = N * 0 % I = 0 * N % n = N * N % 0 = N * N % N = N * N % I = N * I % n = N * I % 0 = N * I % N = N * I % I = N * * Return a new Decimal whose value is the value of this Decimal modulo `y`, rounded to * `precision` significant digits using rounding mode `rounding`. * * The result depends on the modulo mode. * */ P.modulo = P.mod = function (y) { var q, x = this, Ctor = x.constructor; y = new Ctor(y); // Return NaN if x is ±Infinity or NaN, or y is NaN or ±0. if (!x.d || !y.s || y.d && !y.d[0]) return new Ctor(NaN); // Return x if y is ±Infinity or x is ±0. if (!y.d || x.d && !x.d[0]) { return finalise(new Ctor(x), Ctor.precision, Ctor.rounding); } // Prevent rounding of intermediate calculations. external = false; if (Ctor.modulo == 9) { // Euclidian division: q = sign(y) * floor(x / abs(y)) // result = x - q * y where 0 <= result < abs(y) q = divide(x, y.abs(), 0, 3, 1); q.s *= y.s; } else { q = divide(x, y, 0, Ctor.modulo, 1); } q = q.times(y); external = true; return x.minus(q); }; /* * Return a new Decimal whose value is the natural exponential of the value of this Decimal, * i.e. the base e raised to the power the value of this Decimal, rounded to `precision` * significant digits using rounding mode `rounding`. * */ P.naturalExponential = P.exp = function () { return naturalExponential(this); }; /* * Return a new Decimal whose value is the natural logarithm of the value of this Decimal, * rounded to `precision` significant digits using rounding mode `rounding`. * */ P.naturalLogarithm = P.ln = function () { return naturalLogarithm(this); }; /* * Return a new Decimal whose value is the value of this Decimal negated, i.e. as if multiplied by * -1. * */ P.negated = P.neg = function () { var x = new this.constructor(this); x.s = -x.s; return finalise(x); }; /* * n + 0 = n * n + N = N * n + I = I * 0 + n = n * 0 + 0 = 0 * 0 + N = N * 0 + I = I * N + n = N * N + 0 = N * N + N = N * N + I = N * I + n = I * I + 0 = I * I + N = N * I + I = I * * Return a new Decimal whose value is the value of this Decimal plus `y`, rounded to `precision` * significant digits using rounding mode `rounding`. * */ P.plus = P.add = function (y) { var carry, d, e, i, k, len, pr, rm, xd, yd, x = this, Ctor = x.constructor; y = new Ctor(y); // If either is not finite... if (!x.d || !y.d) { // Return NaN if either is NaN. if (!x.s || !y.s) y = new Ctor(NaN); // Return x if y is finite and x is ±Infinity. // Return x if both are ±Infinity with the same sign. // Return NaN if both are ±Infinity with different signs. // Return y if x is finite and y is ±Infinity. else if (!x.d) y = new Ctor(y.d || x.s === y.s ? x : NaN); return y; } // If signs differ... if (x.s != y.s) { y.s = -y.s; return x.minus(y); } xd = x.d; yd = y.d; pr = Ctor.precision; rm = Ctor.rounding; // If either is zero... if (!xd[0] || !yd[0]) { // Return x if y is zero. // Return y if y is non-zero. if (!yd[0]) y = new Ctor(x); return external ? finalise(y, pr, rm) : y; } // x and y are finite, non-zero numbers with the same sign. // Calculate base 1e7 exponents. k = mathfloor(x.e / LOG_BASE); e = mathfloor(y.e / LOG_BASE); xd = xd.slice(); i = k - e; // If base 1e7 exponents differ... if (i) { if (i < 0) { d = xd; i = -i; len = yd.length; } else { d = yd; e = k; len = xd.length; } // Limit number of zeros prepended to max(ceil(pr / LOG_BASE), len) + 1. k = Math.ceil(pr / LOG_BASE); len = k > len ? k + 1 : len + 1; if (i > len) { i = len; d.length = 1; } // Prepend zeros to equalise exponents. Note: Faster to use reverse then do unshifts. d.reverse(); for (; i--;) d.push(0); d.reverse(); } len = xd.length; i = yd.length; // If yd is longer than xd, swap xd and yd so xd points to the longer array. if (len - i < 0) { i = len; d = yd; yd = xd; xd = d; } // Only start adding at yd.length - 1 as the further digits of xd can be left as they are. for (carry = 0; i;) { carry = (xd[--i] = xd[i] + yd[i] + carry) / BASE | 0; xd[i] %= BASE; } if (carry) { xd.unshift(carry); ++e; } // Remove trailing zeros. // No need to check for zero, as +x + +y != 0 && -x + -y != 0 for (len = xd.length; xd[--len] == 0;) xd.pop(); y.d = xd; y.e = getBase10Exponent(xd, e); return external ? finalise(y, pr, rm) : y; }; /* * Return the number of significant digits of the value of this Decimal. * * [z] {boolean|number} Whether to count integer-part trailing zeros: true, false, 1 or 0. * */ P.precision = P.sd = function (z) { var k, x = this; if (z !== void 0 && z !== !!z && z !== 1 && z !== 0) throw Error(invalidArgument + z); if (x.d) { k = getPrecision(x.d); if (z && x.e + 1 > k) k = x.e + 1; } else { k = NaN; } return k; }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a whole number using * rounding mode `rounding`. * */ P.round = function () { var x = this, Ctor = x.constructor; return finalise(new Ctor(x), x.e + 1, Ctor.rounding); }; /* * Return a new Decimal whose value is the sine of the value in radians of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-1, 1] * * sin(x) = x - x^3/3! + x^5/5! - ... * * sin(0) = 0 * sin(-0) = -0 * sin(Infinity) = NaN * sin(-Infinity) = NaN * sin(NaN) = NaN * */ P.sine = P.sin = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(NaN); if (x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + Math.max(x.e, x.sd()) + LOG_BASE; Ctor.rounding = 1; x = sine(Ctor, toLessThanHalfPi(Ctor, x)); Ctor.precision = pr; Ctor.rounding = rm; return finalise(quadrant > 2 ? x.neg() : x, pr, rm, true); }; /* * Return a new Decimal whose value is the square root of this Decimal, rounded to `precision` * significant digits using rounding mode `rounding`. * * sqrt(-n) = N * sqrt(N) = N * sqrt(-I) = N * sqrt(I) = I * sqrt(0) = 0 * sqrt(-0) = -0 * */ P.squareRoot = P.sqrt = function () { var m, n, sd, r, rep, t, x = this, d = x.d, e = x.e, s = x.s, Ctor = x.constructor; // Negative/NaN/Infinity/zero? if (s !== 1 || !d || !d[0]) { return new Ctor(!s || s < 0 && (!d || d[0]) ? NaN : d ? x : 1 / 0); } external = false; // Initial estimate. s = Math.sqrt(+x); // Math.sqrt underflow/overflow? // Pass x to Math.sqrt as integer, then adjust the exponent of the result. if (s == 0 || s == 1 / 0) { n = digitsToString(d); if ((n.length + e) % 2 == 0) n += '0'; s = Math.sqrt(n); e = mathfloor((e + 1) / 2) - (e < 0 || e % 2); if (s == 1 / 0) { n = '5e' + e; } else { n = s.toExponential(); n = n.slice(0, n.indexOf('e') + 1) + e; } r = new Ctor(n); } else { r = new Ctor(s.toString()); } sd = (e = Ctor.precision) + 3; // Newton-Raphson iteration. for (;;) { t = r; r = t.plus(divide(x, t, sd + 2, 1)).times(0.5); // TODO? Replace with for-loop and checkRoundingDigits. if (digitsToString(t.d).slice(0, sd) === (n = digitsToString(r.d)).slice(0, sd)) { n = n.slice(sd - 3, sd + 1); // The 4th rounding digit may be in error by -1 so if the 4 rounding digits are 9999 or // 4999, i.e. approaching a rounding boundary, continue the iteration. if (n == '9999' || !rep && n == '4999') { // On the first iteration only, check to see if rounding up gives the exact result as the // nines may infinitely repeat. if (!rep) { finalise(t, e + 1, 0); if (t.times(t).eq(x)) { r = t; break; } } sd += 4; rep = 1; } else { // If the rounding digits are null, 0{0,4} or 50{0,3}, check for an exact result. // If not, then there are further digits and m will be truthy. if (!+n || !+n.slice(1) && n.charAt(0) == '5') { // Truncate to the first rounding digit. finalise(r, e + 1, 1); m = !r.times(r).eq(x); } break; } } } external = true; return finalise(r, e, Ctor.rounding, m); }; /* * Return a new Decimal whose value is the tangent of the value in radians of this Decimal. * * Domain: [-Infinity, Infinity] * Range: [-Infinity, Infinity] * * tan(0) = 0 * tan(-0) = -0 * tan(Infinity) = NaN * tan(-Infinity) = NaN * tan(NaN) = NaN * */ P.tangent = P.tan = function () { var pr, rm, x = this, Ctor = x.constructor; if (!x.isFinite()) return new Ctor(NaN); if (x.isZero()) return new Ctor(x); pr = Ctor.precision; rm = Ctor.rounding; Ctor.precision = pr + 10; Ctor.rounding = 1; x = x.sin(); x.s = 1; x = divide(x, new Ctor(1).minus(x.times(x)).sqrt(), pr + 10, 0); Ctor.precision = pr; Ctor.rounding = rm; return finalise(quadrant == 2 || quadrant == 4 ? x.neg() : x, pr, rm, true); }; /* * n * 0 = 0 * n * N = N * n * I = I * 0 * n = 0 * 0 * 0 = 0 * 0 * N = N * 0 * I = N * N * n = N * N * 0 = N * N * N = N * N * I = N * I * n = I * I * 0 = N * I * N = N * I * I = I * * Return a new Decimal whose value is this Decimal times `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * */ P.times = P.mul = function (y) { var carry, e, i, k, r, rL, t, xdL, ydL, x = this, Ctor = x.constructor, xd = x.d, yd = (y = new Ctor(y)).d; y.s *= x.s; // If either is NaN, ±Infinity or ±0... if (!xd || !xd[0] || !yd || !yd[0]) { return new Ctor(!y.s || xd && !xd[0] && !yd || yd && !yd[0] && !xd // Return NaN if either is NaN. // Return NaN if x is ±0 and y is ±Infinity, or y is ±0 and x is ±Infinity. ? NaN // Return ±Infinity if either is ±Infinity. // Return ±0 if either is ±0. : !xd || !yd ? y.s / 0 : y.s * 0); } e = mathfloor(x.e / LOG_BASE) + mathfloor(y.e / LOG_BASE); xdL = xd.length; ydL = yd.length; // Ensure xd points to the longer array. if (xdL < ydL) { r = xd; xd = yd; yd = r; rL = xdL; xdL = ydL; ydL = rL; } // Initialise the result array with zeros. r = []; rL = xdL + ydL; for (i = rL; i--;) r.push(0); // Multiply! for (i = ydL; --i >= 0;) { carry = 0; for (k = xdL + i; k > i;) { t = r[k] + yd[i] * xd[k - i - 1] + carry; r[k--] = t % BASE | 0; carry = t / BASE | 0; } r[k] = (r[k] + carry) % BASE | 0; } // Remove trailing zeros. for (; !r[--rL];) r.pop(); if (carry) ++e; else r.shift(); y.d = r; y.e = getBase10Exponent(r, e); return external ? finalise(y, Ctor.precision, Ctor.rounding) : y; }; /* * Return a string representing the value of this Decimal in base 2, round to `sd` significant * digits using rounding mode `rm`. * * If the optional `sd` argument is present then return binary exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toBinary = function (sd, rm) { return toStringBinary(this, 2, sd, rm); }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a maximum of `dp` * decimal places using rounding mode `rm` or `rounding` if `rm` is omitted. * * If `dp` is omitted, return a new Decimal whose value is the value of this Decimal. * * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toDecimalPlaces = P.toDP = function (dp, rm) { var x = this, Ctor = x.constructor; x = new Ctor(x); if (dp === void 0) return x; checkInt32(dp, 0, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); return finalise(x, dp + x.e + 1, rm); }; /* * Return a string representing the value of this Decimal in exponential notation rounded to * `dp` fixed decimal places using rounding mode `rounding`. * * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toExponential = function (dp, rm) { var str, x = this, Ctor = x.constructor; if (dp === void 0) { str = finiteToString(x, true); } else { checkInt32(dp, 0, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); x = finalise(new Ctor(x), dp + 1, rm); str = finiteToString(x, true, dp + 1); } return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return a string representing the value of this Decimal in normal (fixed-point) notation to * `dp` fixed decimal places and rounded using rounding mode `rm` or `rounding` if `rm` is * omitted. * * As with JavaScript numbers, (-0).toFixed(0) is '0', but e.g. (-0.00001).toFixed(0) is '-0'. * * [dp] {number} Decimal places. Integer, 0 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * (-0).toFixed(0) is '0', but (-0.1).toFixed(0) is '-0'. * (-0).toFixed(1) is '0.0', but (-0.01).toFixed(1) is '-0.0'. * (-0).toFixed(3) is '0.000'. * (-0.5).toFixed(0) is '-0'. * */ P.toFixed = function (dp, rm) { var str, y, x = this, Ctor = x.constructor; if (dp === void 0) { str = finiteToString(x); } else { checkInt32(dp, 0, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); y = finalise(new Ctor(x), dp + x.e + 1, rm); str = finiteToString(y, false, dp + y.e + 1); } // To determine whether to add the minus sign look at the value before it was rounded, // i.e. look at `x` rather than `y`. return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return an array representing the value of this Decimal as a simple fraction with an integer * numerator and an integer denominator. * * The denominator will be a positive non-zero value less than or equal to the specified maximum * denominator. If a maximum denominator is not specified, the denominator will be the lowest * value necessary to represent the number exactly. * * [maxD] {number|string|Decimal} Maximum denominator. Integer >= 1 and < Infinity. * */ P.toFraction = function (maxD) { var d, d0, d1, d2, e, k, n, n0, n1, pr, q, r, x = this, xd = x.d, Ctor = x.constructor; if (!xd) return new Ctor(x); n1 = d0 = new Ctor(1); d1 = n0 = new Ctor(0); d = new Ctor(d1); e = d.e = getPrecision(xd) - x.e - 1; k = e % LOG_BASE; d.d[0] = mathpow(10, k < 0 ? LOG_BASE + k : k); if (maxD == null) { // d is 10**e, the minimum max-denominator needed. maxD = e > 0 ? d : n1; } else { n = new Ctor(maxD); if (!n.isInt() || n.lt(n1)) throw Error(invalidArgument + n); maxD = n.gt(d) ? (e > 0 ? d : n1) : n; } external = false; n = new Ctor(digitsToString(xd)); pr = Ctor.precision; Ctor.precision = e = xd.length * LOG_BASE * 2; for (;;) { q = divide(n, d, 0, 1, 1); d2 = d0.plus(q.times(d1)); if (d2.cmp(maxD) == 1) break; d0 = d1; d1 = d2; d2 = n1; n1 = n0.plus(q.times(d2)); n0 = d2; d2 = d; d = n.minus(q.times(d2)); n = d2; } d2 = divide(maxD.minus(d0), d1, 0, 1, 1); n0 = n0.plus(d2.times(n1)); d0 = d0.plus(d2.times(d1)); n0.s = n1.s = x.s; // Determine which fraction is closer to x, n0/d0 or n1/d1? r = divide(n1, d1, e, 1).minus(x).abs().cmp(divide(n0, d0, e, 1).minus(x).abs()) < 1 ? [n1, d1] : [n0, d0]; Ctor.precision = pr; external = true; return r; }; /* * Return a string representing the value of this Decimal in base 16, round to `sd` significant * digits using rounding mode `rm`. * * If the optional `sd` argument is present then return binary exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toHexadecimal = P.toHex = function (sd, rm) { return toStringBinary(this, 16, sd, rm); }; /* * Returns a new Decimal whose value is the nearest multiple of `y` in the direction of rounding * mode `rm`, or `Decimal.rounding` if `rm` is omitted, to the value of this Decimal. * * The return value will always have the same sign as this Decimal, unless either this Decimal * or `y` is NaN, in which case the return value will be also be NaN. * * The return value is not affected by the value of `precision`. * * y {number|string|Decimal} The magnitude to round to a multiple of. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * 'toNearest() rounding mode not an integer: {rm}' * 'toNearest() rounding mode out of range: {rm}' * */ P.toNearest = function (y, rm) { var x = this, Ctor = x.constructor; x = new Ctor(x); if (y == null) { // If x is not finite, return x. if (!x.d) return x; y = new Ctor(1); rm = Ctor.rounding; } else { y = new Ctor(y); if (rm === void 0) { rm = Ctor.rounding; } else { checkInt32(rm, 0, 8); } // If x is not finite, return x if y is not NaN, else NaN. if (!x.d) return y.s ? x : y; // If y is not finite, return Infinity with the sign of x if y is Infinity, else NaN. if (!y.d) { if (y.s) y.s = x.s; return y; } } // If y is not zero, calculate the nearest multiple of y to x. if (y.d[0]) { external = false; x = divide(x, y, 0, rm, 1).times(y); external = true; finalise(x); // If y is zero, return zero with the sign of x. } else { y.s = x.s; x = y; } return x; }; /* * Return the value of this Decimal converted to a number primitive. * Zero keeps its sign. * */ P.toNumber = function () { return +this; }; /* * Return a string representing the value of this Decimal in base 8, round to `sd` significant * digits using rounding mode `rm`. * * If the optional `sd` argument is present then return binary exponential notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toOctal = function (sd, rm) { return toStringBinary(this, 8, sd, rm); }; /* * Return a new Decimal whose value is the value of this Decimal raised to the power `y`, rounded * to `precision` significant digits using rounding mode `rounding`. * * ECMAScript compliant. * * pow(x, NaN) = NaN * pow(x, ±0) = 1 * pow(NaN, non-zero) = NaN * pow(abs(x) > 1, +Infinity) = +Infinity * pow(abs(x) > 1, -Infinity) = +0 * pow(abs(x) == 1, ±Infinity) = NaN * pow(abs(x) < 1, +Infinity) = +0 * pow(abs(x) < 1, -Infinity) = +Infinity * pow(+Infinity, y > 0) = +Infinity * pow(+Infinity, y < 0) = +0 * pow(-Infinity, odd integer > 0) = -Infinity * pow(-Infinity, even integer > 0) = +Infinity * pow(-Infinity, odd integer < 0) = -0 * pow(-Infinity, even integer < 0) = +0 * pow(+0, y > 0) = +0 * pow(+0, y < 0) = +Infinity * pow(-0, odd integer > 0) = -0 * pow(-0, even integer > 0) = +0 * pow(-0, odd integer < 0) = -Infinity * pow(-0, even integer < 0) = +Infinity * pow(finite x < 0, finite non-integer) = NaN * * For non-integer or very large exponents pow(x, y) is calculated using * * x^y = exp(y*ln(x)) * * Assuming the first 15 rounding digits are each equally likely to be any digit 0-9, the * probability of an incorrectly rounded result * P([49]9{14} | [50]0{14}) = 2 * 0.2 * 10^-14 = 4e-15 = 1/2.5e+14 * i.e. 1 in 250,000,000,000,000 * * If a result is incorrectly rounded the maximum error will be 1 ulp (unit in last place). * * y {number|string|Decimal} The power to which to raise this Decimal. * */ P.toPower = P.pow = function (y) { var e, k, pr, r, rm, s, x = this, Ctor = x.constructor, yn = +(y = new Ctor(y)); // Either ±Infinity, NaN or ±0? if (!x.d || !y.d || !x.d[0] || !y.d[0]) return new Ctor(mathpow(+x, yn)); x = new Ctor(x); if (x.eq(1)) return x; pr = Ctor.precision; rm = Ctor.rounding; if (y.eq(1)) return finalise(x, pr, rm); // y exponent e = mathfloor(y.e / LOG_BASE); // If y is a small integer use the 'exponentiation by squaring' algorithm. if (e >= y.d.length - 1 && (k = yn < 0 ? -yn : yn) <= MAX_SAFE_INTEGER) { r = intPow(Ctor, x, k, pr); return y.s < 0 ? new Ctor(1).div(r) : finalise(r, pr, rm); } s = x.s; // if x is negative if (s < 0) { // if y is not an integer if (e < y.d.length - 1) return new Ctor(NaN); // Result is positive if x is negative and the last digit of integer y is even. if ((y.d[e] & 1) == 0) s = 1; // if x.eq(-1) if (x.e == 0 && x.d[0] == 1 && x.d.length == 1) { x.s = s; return x; } } // Estimate result exponent. // x^y = 10^e, where e = y * log10(x) // log10(x) = log10(x_significand) + x_exponent // log10(x_significand) = ln(x_significand) / ln(10) k = mathpow(+x, yn); e = k == 0 || !isFinite(k) ? mathfloor(yn * (Math.log('0.' + digitsToString(x.d)) / Math.LN10 + x.e + 1)) : new Ctor(k + '').e; // Exponent estimate may be incorrect e.g. x: 0.999999999999999999, y: 2.29, e: 0, r.e: -1. // Overflow/underflow? if (e > Ctor.maxE + 1 || e < Ctor.minE - 1) return new Ctor(e > 0 ? s / 0 : 0); external = false; Ctor.rounding = x.s = 1; // Estimate the extra guard digits needed to ensure five correct rounding digits from // naturalLogarithm(x). Example of failure without these extra digits (precision: 10): // new Decimal(2.32456).pow('2087987436534566.46411') // should be 1.162377823e+764914905173815, but is 1.162355823e+764914905173815 k = Math.min(12, (e + '').length); // r = x^y = exp(y*ln(x)) r = naturalExponential(y.times(naturalLogarithm(x, pr + k)), pr); // r may be Infinity, e.g. (0.9999999999999999).pow(-1e+40) if (r.d) { // Truncate to the required precision plus five rounding digits. r = finalise(r, pr + 5, 1); // If the rounding digits are [49]9999 or [50]0000 increase the precision by 10 and recalculate // the result. if (checkRoundingDigits(r.d, pr, rm)) { e = pr + 10; // Truncate to the increased precision plus five rounding digits. r = finalise(naturalExponential(y.times(naturalLogarithm(x, e + k)), e), e + 5, 1); // Check for 14 nines from the 2nd rounding digit (the first rounding digit may be 4 or 9). if (+digitsToString(r.d).slice(pr + 1, pr + 15) + 1 == 1e14) { r = finalise(r, pr + 1, 0); } } } r.s = s; external = true; Ctor.rounding = rm; return finalise(r, pr, rm); }; /* * Return a string representing the value of this Decimal rounded to `sd` significant digits * using rounding mode `rounding`. * * Return exponential notation if `sd` is less than the number of digits necessary to represent * the integer part of the value in normal notation. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * */ P.toPrecision = function (sd, rm) { var str, x = this, Ctor = x.constructor; if (sd === void 0) { str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos); } else { checkInt32(sd, 1, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); x = finalise(new Ctor(x), sd, rm); str = finiteToString(x, sd <= x.e || x.e <= Ctor.toExpNeg, sd); } return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return a new Decimal whose value is the value of this Decimal rounded to a maximum of `sd` * significant digits using rounding mode `rm`, or to `precision` and `rounding` respectively if * omitted. * * [sd] {number} Significant digits. Integer, 1 to MAX_DIGITS inclusive. * [rm] {number} Rounding mode. Integer, 0 to 8 inclusive. * * 'toSD() digits out of range: {sd}' * 'toSD() digits not an integer: {sd}' * 'toSD() rounding mode not an integer: {rm}' * 'toSD() rounding mode out of range: {rm}' * */ P.toSignificantDigits = P.toSD = function (sd, rm) { var x = this, Ctor = x.constructor; if (sd === void 0) { sd = Ctor.precision; rm = Ctor.rounding; } else { checkInt32(sd, 1, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); } return finalise(new Ctor(x), sd, rm); }; /* * Return a string representing the value of this Decimal. * * Return exponential notation if this Decimal has a positive exponent equal to or greater than * `toExpPos`, or a negative exponent equal to or less than `toExpNeg`. * */ P.toString = function () { var x = this, Ctor = x.constructor, str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos); return x.isNeg() && !x.isZero() ? '-' + str : str; }; /* * Return a new Decimal whose value is the value of this Decimal truncated to a whole number. * */ P.truncated = P.trunc = function () { return finalise(new this.constructor(this), this.e + 1, 1); }; /* * Return a string representing the value of this Decimal. * Unlike `toString`, negative zero will include the minus sign. * */ P.valueOf = P.toJSON = function () { var x = this, Ctor = x.constructor, str = finiteToString(x, x.e <= Ctor.toExpNeg || x.e >= Ctor.toExpPos); return x.isNeg() ? '-' + str : str; }; // Helper functions for Decimal.prototype (P) and/or Decimal methods, and their callers. /* * digitsToString P.cubeRoot, P.logarithm, P.squareRoot, P.toFraction, P.toPower, * finiteToString, naturalExponential, naturalLogarithm * checkInt32 P.toDecimalPlaces, P.toExponential, P.toFixed, P.toNearest, * P.toPrecision, P.toSignificantDigits, toStringBinary, random * checkRoundingDigits P.logarithm, P.toPower, naturalExponential, naturalLogarithm * convertBase toStringBinary, parseOther * cos P.cos * divide P.atanh, P.cubeRoot, P.dividedBy, P.dividedToIntegerBy, * P.logarithm, P.modulo, P.squareRoot, P.tan, P.tanh, P.toFraction, * P.toNearest, toStringBinary, naturalExponential, naturalLogarithm, * taylorSeries, atan2, parseOther * finalise P.absoluteValue, P.atan, P.atanh, P.ceil, P.cos, P.cosh, * P.cubeRoot, P.dividedToIntegerBy, P.floor, P.logarithm, P.minus, * P.modulo, P.negated, P.plus, P.round, P.sin, P.sinh, P.squareRoot, * P.tan, P.times, P.toDecimalPlaces, P.toExponential, P.toFixed, * P.toNearest, P.toPower, P.toPrecision, P.toSignificantDigits, * P.truncated, divide, getLn10, getPi, naturalExponential, * naturalLogarithm, ceil, floor, round, trunc * finiteToString P.toExponential, P.toFixed, P.toPrecision, P.toString, P.valueOf, * toStringBinary * getBase10Exponent P.minus, P.plus, P.times, parseOther * getLn10 P.logarithm, naturalLogarithm * getPi P.acos, P.asin, P.atan, toLessThanHalfPi, atan2 * getPrecision P.precision, P.toFraction * getZeroString digitsToString, finiteToString * intPow P.toPower, parseOther * isOdd toLessThanHalfPi * maxOrMin max, min * naturalExponential P.naturalExponential, P.toPower * naturalLogarithm P.acosh, P.asinh, P.atanh, P.logarithm, P.naturalLogarithm, * P.toPower, naturalExponential * nonFiniteToString finiteToString, toStringBinary * parseDecimal Decimal * parseOther Decimal * sin P.sin * taylorSeries P.cosh, P.sinh, cos, sin * toLessThanHalfPi P.cos, P.sin * toStringBinary P.toBinary, P.toHexadecimal, P.toOctal * truncate intPow * * Throws: P.logarithm, P.precision, P.toFraction, checkInt32, getLn10, getPi, * naturalLogarithm, config, parseOther, random, Decimal */ function digitsToString(d) { var i, k, ws, indexOfLastWord = d.length - 1, str = '', w = d[0]; if (indexOfLastWord > 0) { str += w; for (i = 1; i < indexOfLastWord; i++) { ws = d[i] + ''; k = LOG_BASE - ws.length; if (k) str += getZeroString(k); str += ws; } w = d[i]; ws = w + ''; k = LOG_BASE - ws.length; if (k) str += getZeroString(k); } else if (w === 0) { return '0'; } // Remove trailing zeros of last w. for (; w % 10 === 0;) w /= 10; return str + w; } function checkInt32(i, min, max) { if (i !== ~~i || i < min || i > max) { throw Error(invalidArgument + i); } } /* * Check 5 rounding digits if `repeating` is null, 4 otherwise. * `repeating == null` if caller is `log` or `pow`, * `repeating != null` if caller is `naturalLogarithm` or `naturalExponential`. */ function checkRoundingDigits(d, i, rm, repeating) { var di, k, r, rd; // Get the length of the first word of the array d. for (k = d[0]; k >= 10; k /= 10) --i; // Is the rounding digit in the first word of d? if (--i < 0) { i += LOG_BASE; di = 0; } else { di = Math.ceil((i + 1) / LOG_BASE); i %= LOG_BASE; } // i is the index (0 - 6) of the rounding digit. // E.g. if within the word 3487563 the first rounding digit is 5, // then i = 4, k = 1000, rd = 3487563 % 1000 = 563 k = mathpow(10, LOG_BASE - i); rd = d[di] % k | 0; if (repeating == null) { if (i < 3) { if (i == 0) rd = rd / 100 | 0; else if (i == 1) rd = rd / 10 | 0; r = rm < 4 && rd == 99999 || rm > 3 && rd == 49999 || rd == 50000 || rd == 0; } else { r = (rm < 4 && rd + 1 == k || rm > 3 && rd + 1 == k / 2) && (d[di + 1] / k / 100 | 0) == mathpow(10, i - 2) - 1 || (rd == k / 2 || rd == 0) && (d[di + 1] / k / 100 | 0) == 0; } } else { if (i < 4) { if (i == 0) rd = rd / 1000 | 0; else if (i == 1) rd = rd / 100 | 0; else if (i == 2) rd = rd / 10 | 0; r = (repeating || rm < 4) && rd == 9999 || !repeating && rm > 3 && rd == 4999; } else { r = ((repeating || rm < 4) && rd + 1 == k || (!repeating && rm > 3) && rd + 1 == k / 2) && (d[di + 1] / k / 1000 | 0) == mathpow(10, i - 3) - 1; } } return r; } // Convert string of `baseIn` to an array of numbers of `baseOut`. // Eg. convertBase('255', 10, 16) returns [15, 15]. // Eg. convertBase('ff', 16, 10) returns [2, 5, 5]. function convertBase(str, baseIn, baseOut) { var j, arr = [0], arrL, i = 0, strL = str.length; for (; i < strL;) { for (arrL = arr.length; arrL--;) arr[arrL] *= baseIn; arr[0] += NUMERALS.indexOf(str.charAt(i++)); for (j = 0; j < arr.length; j++) { if (arr[j] > baseOut - 1) { if (arr[j + 1] === void 0) arr[j + 1] = 0; arr[j + 1] += arr[j] / baseOut | 0; arr[j] %= baseOut; } } } return arr.reverse(); } /* * cos(x) = 1 - x^2/2! + x^4/4! - ... * |x| < pi/2 * */ function cosine(Ctor, x) { var k, len, y; if (x.isZero()) return x; // Argument reduction: cos(4x) = 8*(cos^4(x) - cos^2(x)) + 1 // i.e. cos(x) = 8*(cos^4(x/4) - cos^2(x/4)) + 1 // Estimate the optimum number of times to use the argument reduction. len = x.d.length; if (len < 32) { k = Math.ceil(len / 3); y = (1 / tinyPow(4, k)).toString(); } else { k = 16; y = '2.3283064365386962890625e-10'; } Ctor.precision += k; x = taylorSeries(Ctor, 1, x.times(y), new Ctor(1)); // Reverse argument reduction for (var i = k; i--;) { var cos2x = x.times(x); x = cos2x.times(cos2x).minus(cos2x).times(8).plus(1); } Ctor.precision -= k; return x; } /* * Perform division in the specified base. */ var divide = (function () { // Assumes non-zero x and k, and hence non-zero result. function multiplyInteger(x, k, base) { var temp, carry = 0, i = x.length; for (x = x.slice(); i--;) { temp = x[i] * k + carry; x[i] = temp % base | 0; carry = temp / base | 0; } if (carry) x.unshift(carry); return x; } function compare(a, b, aL, bL) { var i, r; if (aL != bL) { r = aL > bL ? 1 : -1; } else { for (i = r = 0; i < aL; i++) { if (a[i] != b[i]) { r = a[i] > b[i] ? 1 : -1; break; } } } return r; } function subtract(a, b, aL, base) { var i = 0; // Subtract b from a. for (; aL--;) { a[aL] -= i; i = a[aL] < b[aL] ? 1 : 0; a[aL] = i * base + a[aL] - b[aL]; } // Remove leading zeros. for (; !a[0] && a.length > 1;) a.shift(); } return function (x, y, pr, rm, dp, base) { var cmp, e, i, k, logBase, more, prod, prodL, q, qd, rem, remL, rem0, sd, t, xi, xL, yd0, yL, yz, Ctor = x.constructor, sign = x.s == y.s ? 1 : -1, xd = x.d, yd = y.d; // Either NaN, Infinity or 0? if (!xd || !xd[0] || !yd || !yd[0]) { return new Ctor(// Return NaN if either NaN, or both Infinity or 0. !x.s || !y.s || (xd ? yd && xd[0] == yd[0] : !yd) ? NaN : // Return ±0 if x is 0 or y is ±Infinity, or return ±Infinity as y is 0. xd && xd[0] == 0 || !yd ? sign * 0 : sign / 0); } if (base) { logBase = 1; e = x.e - y.e; } else { base = BASE; logBase = LOG_BASE; e = mathfloor(x.e / logBase) - mathfloor(y.e / logBase); } yL = yd.length; xL = xd.length; q = new Ctor(sign); qd = q.d = []; // Result exponent may be one less than e. // The digit array of a Decimal from toStringBinary may have trailing zeros. for (i = 0; yd[i] == (xd[i] || 0); i++); if (yd[i] > (xd[i] || 0)) e--; if (pr == null) { sd = pr = Ctor.precision; rm = Ctor.rounding; } else if (dp) { sd = pr + (x.e - y.e) + 1; } else { sd = pr; } if (sd < 0) { qd.push(1); more = true; } else { // Convert precision in number of base 10 digits to base 1e7 digits. sd = sd / logBase + 2 | 0; i = 0; // divisor < 1e7 if (yL == 1) { k = 0; yd = yd[0]; sd++; // k is the carry. for (; (i < xL || k) && sd--; i++) { t = k * base + (xd[i] || 0); qd[i] = t / yd | 0; k = t % yd | 0; } more = k || i < xL; // divisor >= 1e7 } else { // Normalise xd and yd so highest order digit of yd is >= base/2 k = base / (yd[0] + 1) | 0; if (k > 1) { yd = multiplyInteger(yd, k, base); xd = multiplyInteger(xd, k, base); yL = yd.length; xL = xd.length; } xi = yL; rem = xd.slice(0, yL); remL = rem.length; // Add zeros to make remainder as long as divisor. for (; remL < yL;) rem[remL++] = 0; yz = yd.slice(); yz.unshift(0); yd0 = yd[0]; if (yd[1] >= base / 2) ++yd0; do { k = 0; // Compare divisor and remainder. cmp = compare(yd, rem, yL, remL); // If divisor < remainder. if (cmp < 0) { // Calculate trial digit, k. rem0 = rem[0]; if (yL != remL) rem0 = rem0 * base + (rem[1] || 0); // k will be how many times the divisor goes into the current remainder. k = rem0 / yd0 | 0; // Algorithm: // 1. product = divisor * trial digit (k) // 2. if product > remainder: product -= divisor, k-- // 3. remainder -= product // 4. if product was < remainder at 2: // 5. compare new remainder and divisor // 6. If remainder > divisor: remainder -= divisor, k++ if (k > 1) { if (k >= base) k = base - 1; // product = divisor * trial digit. prod = multiplyInteger(yd, k, base); prodL = prod.length; remL = rem.length; // Compare product and remainder. cmp = compare(prod, rem, prodL, remL); // product > remainder. if (cmp == 1) { k--; // Subtract divisor from product. subtract(prod, yL < prodL ? yz : yd, prodL, base); } } else { // cmp is -1. // If k is 0, there is no need to compare yd and rem again below, so change cmp to 1 // to avoid it. If k is 1 there is a need to compare yd and rem again below. if (k == 0) cmp = k = 1; prod = yd.slice(); } prodL = prod.length; if (prodL < remL) prod.unshift(0); // Subtract product from remainder. subtract(rem, prod, remL, base); // If product was < previous remainder. if (cmp == -1) { remL = rem.length; // Compare divisor and new remainder. cmp = compare(yd, rem, yL, remL); // If divisor < new remainder, subtract divisor from remainder. if (cmp < 1) { k++; // Subtract divisor from remainder. subtract(rem, yL < remL ? yz : yd, remL, base); } } remL = rem.length; } else if (cmp === 0) { k++; rem = [0]; } // if cmp === 1, k will be 0 // Add the next digit, k, to the result array. qd[i++] = k; // Update the remainder. if (cmp && rem[0]) { rem[remL++] = xd[xi] || 0; } else { rem = [xd[xi]]; remL = 1; } } while ((xi++ < xL || rem[0] !== void 0) && sd--); more = rem[0] !== void 0; } // Leading zero? if (!qd[0]) qd.shift(); } // logBase is 1 when divide is being used for base conversion. if (logBase == 1) { q.e = e; inexact = more; } else { // To calculate q.e, first get the number of digits of qd[0]. for (i = 1, k = qd[0]; k >= 10; k /= 10) i++; q.e = i + e * logBase - 1; finalise(q, dp ? pr + q.e + 1 : pr, rm, more); } return q; }; })(); /* * Round `x` to `sd` significant digits using rounding mode `rm`. * Check for over/under-flow. */ function finalise(x, sd, rm, isTruncated) { var digits, i, j, k, rd, roundUp, w, xd, xdi, Ctor = x.constructor; // Don't round if sd is null or undefined. out: if (sd != null) { xd = x.d; // Infinity/NaN. if (!xd) return x; // rd: the rounding digit, i.e. the digit after the digit that may be rounded up. // w: the word of xd containing rd, a base 1e7 number. // xdi: the index of w within xd. // digits: the number of digits of w. // i: what would be the index of rd within w if all the numbers were 7 digits long (i.e. if // they had leading zeros) // j: if > 0, the actual index of rd within w (if < 0, rd is a leading zero). // Get the length of the first word of the digits array xd. for (digits = 1, k = xd[0]; k >= 10; k /= 10) digits++; i = sd - digits; // Is the rounding digit in the first word of xd? if (i < 0) { i += LOG_BASE; j = sd; w = xd[xdi = 0]; // Get the rounding digit at index j of w. rd = w / mathpow(10, digits - j - 1) % 10 | 0; } else { xdi = Math.ceil((i + 1) / LOG_BASE); k = xd.length; if (xdi >= k) { if (isTruncated) { // Needed by `naturalExponential`, `naturalLogarithm` and `squareRoot`. for (; k++ <= xdi;) xd.push(0); w = rd = 0; digits = 1; i %= LOG_BASE; j = i - LOG_BASE + 1; } else { break out; } } else { w = k = xd[xdi]; // Get the number of digits of w. for (digits = 1; k >= 10; k /= 10) digits++; // Get the index of rd within w. i %= LOG_BASE; // Get the index of rd within w, adjusted for leading zeros. // The number of leading zeros of w is given by LOG_BASE - digits. j = i - LOG_BASE + digits; // Get the rounding digit at index j of w. rd = j < 0 ? 0 : w / mathpow(10, digits - j - 1) % 10 | 0; } } // Are there any non-zero digits after the rounding digit? isTruncated = isTruncated || sd < 0 || xd[xdi + 1] !== void 0 || (j < 0 ? w : w % mathpow(10, digits - j - 1)); // The expression `w % mathpow(10, digits - j - 1)` returns all the digits of w to the right // of the digit at (left-to-right) index j, e.g. if w is 908714 and j is 2, the expression // will give 714. roundUp = rm < 4 ? (rd || isTruncated) && (rm == 0 || rm == (x.s < 0 ? 3 : 2)) : rd > 5 || rd == 5 && (rm == 4 || isTruncated || rm == 6 && // Check whether the digit to the left of the rounding digit is odd. ((i > 0 ? j > 0 ? w / mathpow(10, digits - j) : 0 : xd[xdi - 1]) % 10) & 1 || rm == (x.s < 0 ? 8 : 7)); if (sd < 1 || !xd[0]) { xd.length = 0; if (roundUp) { // Convert sd to decimal places. sd -= x.e + 1; // 1, 0.1, 0.01, 0.001, 0.0001 etc. xd[0] = mathpow(10, (LOG_BASE - sd % LOG_BASE) % LOG_BASE); x.e = -sd || 0; } else { // Zero. xd[0] = x.e = 0; } return x; } // Remove excess digits. if (i == 0) { xd.length = xdi; k = 1; xdi--; } else { xd.length = xdi + 1; k = mathpow(10, LOG_BASE - i); // E.g. 56700 becomes 56000 if 7 is the rounding digit. // j > 0 means i > number of leading zeros of w. xd[xdi] = j > 0 ? (w / mathpow(10, digits - j) % mathpow(10, j) | 0) * k : 0; } if (roundUp) { for (;;) { // Is the digit to be rounded up in the first word of xd? if (xdi == 0) { // i will be the length of xd[0] before k is added. for (i = 1, j = xd[0]; j >= 10; j /= 10) i++; j = xd[0] += k; for (k = 1; j >= 10; j /= 10) k++; // if i != k the length has increased. if (i != k) { x.e++; if (xd[0] == BASE) xd[0] = 1; } break; } else { xd[xdi] += k; if (xd[xdi] != BASE) break; xd[xdi--] = 0; k = 1; } } } // Remove trailing zeros. for (i = xd.length; xd[--i] === 0;) xd.pop(); } if (external) { // Overflow? if (x.e > Ctor.maxE) { // Infinity. x.d = null; x.e = NaN; // Underflow? } else if (x.e < Ctor.minE) { // Zero. x.e = 0; x.d = [0]; // Ctor.underflow = true; } // else Ctor.underflow = false; } return x; } function finiteToString(x, isExp, sd) { if (!x.isFinite()) return nonFiniteToString(x); var k, e = x.e, str = digitsToString(x.d), len = str.length; if (isExp) { if (sd && (k = sd - len) > 0) { str = str.charAt(0) + '.' + str.slice(1) + getZeroString(k); } else if (len > 1) { str = str.charAt(0) + '.' + str.slice(1); } str = str + (x.e < 0 ? 'e' : 'e+') + x.e; } else if (e < 0) { str = '0.' + getZeroString(-e - 1) + str; if (sd && (k = sd - len) > 0) str += getZeroString(k); } else if (e >= len) { str += getZeroString(e + 1 - len); if (sd && (k = sd - e - 1) > 0) str = str + '.' + getZeroString(k); } else { if ((k = e + 1) < len) str = str.slice(0, k) + '.' + str.slice(k); if (sd && (k = sd - len) > 0) { if (e + 1 === len) str += '.'; str += getZeroString(k); } } return str; } // Calculate the base 10 exponent from the base 1e7 exponent. function getBase10Exponent(digits, e) { var w = digits[0]; // Add the number of digits of the first word of the digits array. for ( e *= LOG_BASE; w >= 10; w /= 10) e++; return e; } function getLn10(Ctor, sd, pr) { if (sd > LN10_PRECISION) { // Reset global state in case the exception is caught. external = true; if (pr) Ctor.precision = pr; throw Error(precisionLimitExceeded); } return finalise(new Ctor(LN10), sd, 1, true); } function getPi(Ctor, sd, rm) { if (sd > PI_PRECISION) throw Error(precisionLimitExceeded); return finalise(new Ctor(PI), sd, rm, true); } function getPrecision(digits) { var w = digits.length - 1, len = w * LOG_BASE + 1; w = digits[w]; // If non-zero... if (w) { // Subtract the number of trailing zeros of the last word. for (; w % 10 == 0; w /= 10) len--; // Add the number of digits of the first word. for (w = digits[0]; w >= 10; w /= 10) len++; } return len; } function getZeroString(k) { var zs = ''; for (; k--;) zs += '0'; return zs; } /* * Return a new Decimal whose value is the value of Decimal `x` to the power `n`, where `n` is an * integer of type number. * * Implements 'exponentiation by squaring'. Called by `pow` and `parseOther`. * */ function intPow(Ctor, x, n, pr) { var isTruncated, r = new Ctor(1), // Max n of 9007199254740991 takes 53 loop iterations. // Maximum digits array length; leaves [28, 34] guard digits. k = Math.ceil(pr / LOG_BASE + 4); external = false; for (;;) { if (n % 2) { r = r.times(x); if (truncate(r.d, k)) isTruncated = true; } n = mathfloor(n / 2); if (n === 0) { // To ensure correct rounding when r.d is truncated, increment the last word if it is zero. n = r.d.length - 1; if (isTruncated && r.d[n] === 0) ++r.d[n]; break; } x = x.times(x); truncate(x.d, k); } external = true; return r; } function isOdd(n) { return n.d[n.d.length - 1] & 1; } /* * Handle `max` and `min`. `ltgt` is 'lt' or 'gt'. */ function maxOrMin(Ctor, args, ltgt) { var y, x = new Ctor(args[0]), i = 0; for (; ++i < args.length;) { y = new Ctor(args[i]); if (!y.s) { x = y; break; } else if (x[ltgt](y)) { x = y; } } return x; } /* * Return a new Decimal whose value is the natural exponential of `x` rounded to `sd` significant * digits. * * Taylor/Maclaurin series. * * exp(x) = x^0/0! + x^1/1! + x^2/2! + x^3/3! + ... * * Argument reduction: * Repeat x = x / 32, k += 5, until |x| < 0.1 * exp(x) = exp(x / 2^k)^(2^k) * * Previously, the argument was initially reduced by * exp(x) = exp(r) * 10^k where r = x - k * ln10, k = floor(x / ln10) * to first put r in the range [0, ln10], before dividing by 32 until |x| < 0.1, but this was * found to be slower than just dividing repeatedly by 32 as above. * * Max integer argument: exp('20723265836946413') = 6.3e+9000000000000000 * Min integer argument: exp('-20723265836946411') = 1.2e-9000000000000000 * (Math object integer min/max: Math.exp(709) = 8.2e+307, Math.exp(-745) = 5e-324) * * exp(Infinity) = Infinity * exp(-Infinity) = 0 * exp(NaN) = NaN * exp(±0) = 1 * * exp(x) is non-terminating for any finite, non-zero x. * * The result will always be correctly rounded. * */ function naturalExponential(x, sd) { var denominator, guard, j, pow, sum, t, wpr, rep = 0, i = 0, k = 0, Ctor = x.constructor, rm = Ctor.rounding, pr = Ctor.precision; // 0/NaN/Infinity? if (!x.d || !x.d[0] || x.e > 17) { return new Ctor(x.d ? !x.d[0] ? 1 : x.s < 0 ? 0 : 1 / 0 : x.s ? x.s < 0 ? 0 : x : 0 / 0); } if (sd == null) { external = false; wpr = pr; } else { wpr = sd; } t = new Ctor(0.03125); // while abs(x) >= 0.1 while (x.e > -2) { // x = x / 2^5 x = x.times(t); k += 5; } // Use 2 * log10(2^k) + 5 (empirically derived) to estimate the increase in precision // necessary to ensure the first 4 rounding digits are correct. guard = Math.log(mathpow(2, k)) / Math.LN10 * 2 + 5 | 0; wpr += guard; denominator = pow = sum = new Ctor(1); Ctor.precision = wpr; for (;;) { pow = finalise(pow.times(x), wpr, 1); denominator = denominator.times(++i); t = sum.plus(divide(pow, denominator, wpr, 1)); if (digitsToString(t.d).slice(0, wpr) === digitsToString(sum.d).slice(0, wpr)) { j = k; while (j--) sum = finalise(sum.times(sum), wpr, 1); // Check to see if the first 4 rounding digits are [49]999. // If so, repeat the summation with a higher precision, otherwise // e.g. with precision: 18, rounding: 1 // exp(18.404272462595034083567793919843761) = 98372560.1229999999 (should be 98372560.123) // `wpr - guard` is the index of first rounding digit. if (sd == null) { if (rep < 3 && checkRoundingDigits(sum.d, wpr - guard, rm, rep)) { Ctor.precision = wpr += 10; denominator = pow = t = new Ctor(1); i = 0; rep++; } else { return finalise(sum, Ctor.precision = pr, rm, external = true); } } else { Ctor.precision = pr; return sum; } } sum = t; } } /* * Return a new Decimal whose value is the natural logarithm of `x` rounded to `sd` significant * digits. * * ln(-n) = NaN * ln(0) = -Infinity * ln(-0) = -Infinity * ln(1) = 0 * ln(Infinity) = Infinity * ln(-Infinity) = NaN * ln(NaN) = NaN * * ln(n) (n != 1) is non-terminating. * */ function naturalLogarithm(y, sd) { var c, c0, denominator, e, numerator, rep, sum, t, wpr, x1, x2, n = 1, guard = 10, x = y, xd = x.d, Ctor = x.constructor, rm = Ctor.rounding, pr = Ctor.precision; // Is x negative or Infinity, NaN, 0 or 1? if (x.s < 0 || !xd || !xd[0] || !x.e && xd[0] == 1 && xd.length == 1) { return new Ctor(xd && !xd[0] ? -1 / 0 : x.s != 1 ? NaN : xd ? 0 : x); } if (sd == null) { external = false; wpr = pr; } else { wpr = sd; } Ctor.precision = wpr += guard; c = digitsToString(xd); c0 = c.charAt(0); if (Math.abs(e = x.e) < 1.5e15) { // Argument reduction. // The series converges faster the closer the argument is to 1, so using // ln(a^b) = b * ln(a), ln(a) = ln(a^b) / b // multiply the argument by itself until the leading digits of the significand are 7, 8, 9, // 10, 11, 12 or 13, recording the number of multiplications so the sum of the series can // later be divided by this number, then separate out the power of 10 using // ln(a*10^b) = ln(a) + b*ln(10). // max n is 21 (gives 0.9, 1.0 or 1.1) (9e15 / 21 = 4.2e14). //while (c0 < 9 && c0 != 1 || c0 == 1 && c.charAt(1) > 1) { // max n is 6 (gives 0.7 - 1.3) while (c0 < 7 && c0 != 1 || c0 == 1 && c.charAt(1) > 3) { x = x.times(y); c = digitsToString(x.d); c0 = c.charAt(0); n++; } e = x.e; if (c0 > 1) { x = new Ctor('0.' + c); e++; } else { x = new Ctor(c0 + '.' + c.slice(1)); } } else { // The argument reduction method above may result in overflow if the argument y is a massive // number with exponent >= 1500000000000000 (9e15 / 6 = 1.5e15), so instead recall this // function using ln(x*10^e) = ln(x) + e*ln(10). t = getLn10(Ctor, wpr + 2, pr).times(e + ''); x = naturalLogarithm(new Ctor(c0 + '.' + c.slice(1)), wpr - guard).plus(t); Ctor.precision = pr; return sd == null ? finalise(x, pr, rm, external = true) : x; } // x1 is x reduced to a value near 1. x1 = x; // Taylor series. // ln(y) = ln((1 + x)/(1 - x)) = 2(x + x^3/3 + x^5/5 + x^7/7 + ...) // where x = (y - 1)/(y + 1) (|x| < 1) sum = numerator = x = divide(x.minus(1), x.plus(1), wpr, 1); x2 = finalise(x.times(x), wpr, 1); denominator = 3; for (;;) { numerator = finalise(numerator.times(x2), wpr, 1); t = sum.plus(divide(numerator, new Ctor(denominator), wpr, 1)); if (digitsToString(t.d).slice(0, wpr) === digitsToString(sum.d).slice(0, wpr)) { sum = sum.times(2); // Reverse the argument reduction. Check that e is not 0 because, besides preventing an // unnecessary calculation, -0 + 0 = +0 and to ensure correct rounding -0 needs to stay -0. if (e !== 0) sum = sum.plus(getLn10(Ctor, wpr + 2, pr).times(e + '')); sum = divide(sum, new Ctor(n), wpr, 1); // Is rm > 3 and the first 4 rounding digits 4999, or rm < 4 (or the summation has // been repeated previously) and the first 4 rounding digits 9999? // If so, restart the summation with a higher precision, otherwise // e.g. with precision: 12, rounding: 1 // ln(135520028.6126091714265381533) = 18.7246299999 when it should be 18.72463. // `wpr - guard` is the index of first rounding digit. if (sd == null) { if (checkRoundingDigits(sum.d, wpr - guard, rm, rep)) { Ctor.precision = wpr += guard; t = numerator = x = divide(x1.minus(1), x1.plus(1), wpr, 1); x2 = finalise(x.times(x), wpr, 1); denominator = rep = 1; } else { return finalise(sum, Ctor.precision = pr, rm, external = true); } } else { Ctor.precision = pr; return sum; } } sum = t; denominator += 2; } } // ±Infinity, NaN. function nonFiniteToString(x) { // Unsigned. return String(x.s * x.s / 0); } /* * Parse the value of a new Decimal `x` from string `str`. */ function parseDecimal(x, str) { var e, i, len; // Decimal point? if ((e = str.indexOf('.')) > -1) str = str.replace('.', ''); // Exponential form? if ((i = str.search(/e/i)) > 0) { // Determine exponent. if (e < 0) e = i; e += +str.slice(i + 1); str = str.substring(0, i); } else if (e < 0) { // Integer. e = str.length; } // Determine leading zeros. for (i = 0; str.charCodeAt(i) === 48; i++); // Determine trailing zeros. for (len = str.length; str.charCodeAt(len - 1) === 48; --len); str = str.slice(i, len); if (str) { len -= i; x.e = e = e - i - 1; x.d = []; // Transform base // e is the base 10 exponent. // i is where to slice str to get the first word of the digits array. i = (e + 1) % LOG_BASE; if (e < 0) i += LOG_BASE; if (i < len) { if (i) x.d.push(+str.slice(0, i)); for (len -= LOG_BASE; i < len;) x.d.push(+str.slice(i, i += LOG_BASE)); str = str.slice(i); i = LOG_BASE - str.length; } else { i -= len; } for (; i--;) str += '0'; x.d.push(+str); if (external) { // Overflow? if (x.e > x.constructor.maxE) { // Infinity. x.d = null; x.e = NaN; // Underflow? } else if (x.e < x.constructor.minE) { // Zero. x.e = 0; x.d = [0]; // x.constructor.underflow = true; } // else x.constructor.underflow = false; } } else { // Zero. x.e = 0; x.d = [0]; } return x; } /* * Parse the value of a new Decimal `x` from a string `str`, which is not a decimal value. */ function parseOther(x, str) { var base, Ctor, divisor, i, isFloat, len, p, xd, xe; if (str.indexOf('_') > -1) { str = str.replace(/(\d)_(?=\d)/g, '$1'); if (isDecimal.test(str)) return parseDecimal(x, str); } else if (str === 'Infinity' || str === 'NaN') { if (!+str) x.s = NaN; x.e = NaN; x.d = null; return x; } if (isHex.test(str)) { base = 16; str = str.toLowerCase(); } else if (isBinary.test(str)) { base = 2; } else if (isOctal.test(str)) { base = 8; } else { throw Error(invalidArgument + str); } // Is there a binary exponent part? i = str.search(/p/i); if (i > 0) { p = +str.slice(i + 1); str = str.substring(2, i); } else { str = str.slice(2); } // Convert `str` as an integer then divide the result by `base` raised to a power such that the // fraction part will be restored. i = str.indexOf('.'); isFloat = i >= 0; Ctor = x.constructor; if (isFloat) { str = str.replace('.', ''); len = str.length; i = len - i; // log[10](16) = 1.2041... , log[10](88) = 1.9444.... divisor = intPow(Ctor, new Ctor(base), i, i * 2); } xd = convertBase(str, base, BASE); xe = xd.length - 1; // Remove trailing zeros. for (i = xe; xd[i] === 0; --i) xd.pop(); if (i < 0) return new Ctor(x.s * 0); x.e = getBase10Exponent(xd, xe); x.d = xd; external = false; // At what precision to perform the division to ensure exact conversion? // maxDecimalIntegerPartDigitCount = ceil(log[10](b) * otherBaseIntegerPartDigitCount) // log[10](2) = 0.30103, log[10](8) = 0.90309, log[10](16) = 1.20412 // E.g. ceil(1.2 * 3) = 4, so up to 4 decimal digits are needed to represent 3 hex int digits. // maxDecimalFractionPartDigitCount = {Hex:4|Oct:3|Bin:1} * otherBaseFractionPartDigitCount // Therefore using 4 * the number of digits of str will always be enough. if (isFloat) x = divide(x, divisor, len * 4); // Multiply by the binary exponent part if present. if (p) x = x.times(Math.abs(p) < 54 ? mathpow(2, p) : Decimal.pow(2, p)); external = true; return x; } /* * sin(x) = x - x^3/3! + x^5/5! - ... * |x| < pi/2 * */ function sine(Ctor, x) { var k, len = x.d.length; if (len < 3) { return x.isZero() ? x : taylorSeries(Ctor, 2, x, x); } // Argument reduction: sin(5x) = 16*sin^5(x) - 20*sin^3(x) + 5*sin(x) // i.e. sin(x) = 16*sin^5(x/5) - 20*sin^3(x/5) + 5*sin(x/5) // and sin(x) = sin(x/5)(5 + sin^2(x/5)(16sin^2(x/5) - 20)) // Estimate the optimum number of times to use the argument reduction. k = 1.4 * Math.sqrt(len); k = k > 16 ? 16 : k | 0; x = x.times(1 / tinyPow(5, k)); x = taylorSeries(Ctor, 2, x, x); // Reverse argument reduction var sin2_x, d5 = new Ctor(5), d16 = new Ctor(16), d20 = new Ctor(20); for (; k--;) { sin2_x = x.times(x); x = x.times(d5.plus(sin2_x.times(d16.times(sin2_x).minus(d20)))); } return x; } // Calculate Taylor series for `cos`, `cosh`, `sin` and `sinh`. function taylorSeries(Ctor, n, x, y, isHyperbolic) { var j, t, u, x2, i = 1, pr = Ctor.precision, k = Math.ceil(pr / LOG_BASE); external = false; x2 = x.times(x); u = new Ctor(y); for (;;) { t = divide(u.times(x2), new Ctor(n++ * n++), pr, 1); u = isHyperbolic ? y.plus(t) : y.minus(t); y = divide(t.times(x2), new Ctor(n++ * n++), pr, 1); t = u.plus(y); if (t.d[k] !== void 0) { for (j = k; t.d[j] === u.d[j] && j--;); if (j == -1) break; } j = u; u = y; y = t; t = j; i++; } external = true; t.d.length = k + 1; return t; } // Exponent e must be positive and non-zero. function tinyPow(b, e) { var n = b; while (--e) n *= b; return n; } // Return the absolute value of `x` reduced to less than or equal to half pi. function toLessThanHalfPi(Ctor, x) { var t, isNeg = x.s < 0, pi = getPi(Ctor, Ctor.precision, 1), halfPi = pi.times(0.5); x = x.abs(); if (x.lte(halfPi)) { quadrant = isNeg ? 4 : 1; return x; } t = x.divToInt(pi); if (t.isZero()) { quadrant = isNeg ? 3 : 2; } else { x = x.minus(t.times(pi)); // 0 <= x < pi if (x.lte(halfPi)) { quadrant = isOdd(t) ? (isNeg ? 2 : 3) : (isNeg ? 4 : 1); return x; } quadrant = isOdd(t) ? (isNeg ? 1 : 4) : (isNeg ? 3 : 2); } return x.minus(pi).abs(); } /* * Return the value of Decimal `x` as a string in base `baseOut`. * * If the optional `sd` argument is present include a binary exponent suffix. */ function toStringBinary(x, baseOut, sd, rm) { var base, e, i, k, len, roundUp, str, xd, y, Ctor = x.constructor, isExp = sd !== void 0; if (isExp) { checkInt32(sd, 1, MAX_DIGITS); if (rm === void 0) rm = Ctor.rounding; else checkInt32(rm, 0, 8); } else { sd = Ctor.precision; rm = Ctor.rounding; } if (!x.isFinite()) { str = nonFiniteToString(x); } else { str = finiteToString(x); i = str.indexOf('.'); // Use exponential notation according to `toExpPos` and `toExpNeg`? No, but if required: // maxBinaryExponent = floor((decimalExponent + 1) * log[2](10)) // minBinaryExponent = floor(decimalExponent * log[2](10)) // log[2](10) = 3.321928094887362347870319429489390175864 if (isExp) { base = 2; if (baseOut == 16) { sd = sd * 4 - 3; } else if (baseOut == 8) { sd = sd * 3 - 2; } } else { base = baseOut; } // Convert the number as an integer then divide the result by its base raised to a power such // that the fraction part will be restored. // Non-integer. if (i >= 0) { str = str.replace('.', ''); y = new Ctor(1); y.e = str.length - i; y.d = convertBase(finiteToString(y), 10, base); y.e = y.d.length; } xd = convertBase(str, 10, base); e = len = xd.length; // Remove trailing zeros. for (; xd[--len] == 0;) xd.pop(); if (!xd[0]) { str = isExp ? '0p+0' : '0'; } else { if (i < 0) { e--; } else { x = new Ctor(x); x.d = xd; x.e = e; x = divide(x, y, sd, rm, 0, base); xd = x.d; e = x.e; roundUp = inexact; } // The rounding digit, i.e. the digit after the digit that may be rounded up. i = xd[sd]; k = base / 2; roundUp = roundUp || xd[sd + 1] !== void 0; roundUp = rm < 4 ? (i !== void 0 || roundUp) && (rm === 0 || rm === (x.s < 0 ? 3 : 2)) : i > k || i === k && (rm === 4 || roundUp || rm === 6 && xd[sd - 1] & 1 || rm === (x.s < 0 ? 8 : 7)); xd.length = sd; if (roundUp) { // Rounding up may mean the previous digit has to be rounded up and so on. for (; ++xd[--sd] > base - 1;) { xd[sd] = 0; if (!sd) { ++e; xd.unshift(1); } } } // Determine trailing zeros. for (len = xd.length; !xd[len - 1]; --len); // E.g. [4, 11, 15] becomes 4bf. for (i = 0, str = ''; i < len; i++) str += NUMERALS.charAt(xd[i]); // Add binary exponent suffix? if (isExp) { if (len > 1) { if (baseOut == 16 || baseOut == 8) { i = baseOut == 16 ? 4 : 3; for (--len; len % i; len++) str += '0'; xd = convertBase(str, base, baseOut); for (len = xd.length; !xd[len - 1]; --len); // xd[0] will always be be 1 for (i = 1, str = '1.'; i < len; i++) str += NUMERALS.charAt(xd[i]); } else { str = str.charAt(0) + '.' + str.slice(1); } } str = str + (e < 0 ? 'p' : 'p+') + e; } else if (e < 0) { for (; ++e;) str = '0' + str; str = '0.' + str; } else { if (++e > len) for (e -= len; e-- ;) str += '0'; else if (e < len) str = str.slice(0, e) + '.' + str.slice(e); } } str = (baseOut == 16 ? '0x' : baseOut == 2 ? '0b' : baseOut == 8 ? '0o' : '') + str; } return x.s < 0 ? '-' + str : str; } // Does not strip trailing zeros. function truncate(arr, len) { if (arr.length > len) { arr.length = len; return true; } } // Decimal methods /* * abs * acos * acosh * add * asin * asinh * atan * atanh * atan2 * cbrt * ceil * clamp * clone * config * cos * cosh * div * exp * floor * hypot * ln * log * log2 * log10 * max * min * mod * mul * pow * random * round * set * sign * sin * sinh * sqrt * sub * sum * tan * tanh * trunc */ /* * Return a new Decimal whose value is the absolute value of `x`. * * x {number|string|Decimal} * */ function abs(x) { return new this(x).abs(); } /* * Return a new Decimal whose value is the arccosine in radians of `x`. * * x {number|string|Decimal} * */ function acos(x) { return new this(x).acos(); } /* * Return a new Decimal whose value is the inverse of the hyperbolic cosine of `x`, rounded to * `precision` significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function acosh(x) { return new this(x).acosh(); } /* * Return a new Decimal whose value is the sum of `x` and `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function add(x, y) { return new this(x).plus(y); } /* * Return a new Decimal whose value is the arcsine in radians of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function asin(x) { return new this(x).asin(); } /* * Return a new Decimal whose value is the inverse of the hyperbolic sine of `x`, rounded to * `precision` significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function asinh(x) { return new this(x).asinh(); } /* * Return a new Decimal whose value is the arctangent in radians of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function atan(x) { return new this(x).atan(); } /* * Return a new Decimal whose value is the inverse of the hyperbolic tangent of `x`, rounded to * `precision` significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function atanh(x) { return new this(x).atanh(); } /* * Return a new Decimal whose value is the arctangent in radians of `y/x` in the range -pi to pi * (inclusive), rounded to `precision` significant digits using rounding mode `rounding`. * * Domain: [-Infinity, Infinity] * Range: [-pi, pi] * * y {number|string|Decimal} The y-coordinate. * x {number|string|Decimal} The x-coordinate. * * atan2(±0, -0) = ±pi * atan2(±0, +0) = ±0 * atan2(±0, -x) = ±pi for x > 0 * atan2(±0, x) = ±0 for x > 0 * atan2(-y, ±0) = -pi/2 for y > 0 * atan2(y, ±0) = pi/2 for y > 0 * atan2(±y, -Infinity) = ±pi for finite y > 0 * atan2(±y, +Infinity) = ±0 for finite y > 0 * atan2(±Infinity, x) = ±pi/2 for finite x * atan2(±Infinity, -Infinity) = ±3*pi/4 * atan2(±Infinity, +Infinity) = ±pi/4 * atan2(NaN, x) = NaN * atan2(y, NaN) = NaN * */ function atan2(y, x) { y = new this(y); x = new this(x); var r, pr = this.precision, rm = this.rounding, wpr = pr + 4; // Either NaN if (!y.s || !x.s) { r = new this(NaN); // Both ±Infinity } else if (!y.d && !x.d) { r = getPi(this, wpr, 1).times(x.s > 0 ? 0.25 : 0.75); r.s = y.s; // x is ±Infinity or y is ±0 } else if (!x.d || y.isZero()) { r = x.s < 0 ? getPi(this, pr, rm) : new this(0); r.s = y.s; // y is ±Infinity or x is ±0 } else if (!y.d || x.isZero()) { r = getPi(this, wpr, 1).times(0.5); r.s = y.s; // Both non-zero and finite } else if (x.s < 0) { this.precision = wpr; this.rounding = 1; r = this.atan(divide(y, x, wpr, 1)); x = getPi(this, wpr, 1); this.precision = pr; this.rounding = rm; r = y.s < 0 ? r.minus(x) : r.plus(x); } else { r = this.atan(divide(y, x, wpr, 1)); } return r; } /* * Return a new Decimal whose value is the cube root of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function cbrt(x) { return new this(x).cbrt(); } /* * Return a new Decimal whose value is `x` rounded to an integer using `ROUND_CEIL`. * * x {number|string|Decimal} * */ function ceil(x) { return finalise(x = new this(x), x.e + 1, 2); } /* * Return a new Decimal whose value is `x` clamped to the range delineated by `min` and `max`. * * x {number|string|Decimal} * min {number|string|Decimal} * max {number|string|Decimal} * */ function clamp(x, min, max) { return new this(x).clamp(min, max); } /* * Configure global settings for a Decimal constructor. * * `obj` is an object with one or more of the following properties, * * precision {number} * rounding {number} * toExpNeg {number} * toExpPos {number} * maxE {number} * minE {number} * modulo {number} * crypto {boolean|number} * defaults {true} * * E.g. Decimal.config({ precision: 20, rounding: 4 }) * */ function config(obj) { if (!obj || typeof obj !== 'object') throw Error(decimalError + 'Object expected'); var i, p, v, useDefaults = obj.defaults === true, ps = [ 'precision', 1, MAX_DIGITS, 'rounding', 0, 8, 'toExpNeg', -EXP_LIMIT, 0, 'toExpPos', 0, EXP_LIMIT, 'maxE', 0, EXP_LIMIT, 'minE', -EXP_LIMIT, 0, 'modulo', 0, 9 ]; for (i = 0; i < ps.length; i += 3) { if (p = ps[i], useDefaults) this[p] = DEFAULTS[p]; if ((v = obj[p]) !== void 0) { if (mathfloor(v) === v && v >= ps[i + 1] && v <= ps[i + 2]) this[p] = v; else throw Error(invalidArgument + p + ': ' + v); } } if (p = 'crypto', useDefaults) this[p] = DEFAULTS[p]; if ((v = obj[p]) !== void 0) { if (v === true || v === false || v === 0 || v === 1) { if (v) { if (typeof crypto != 'undefined' && crypto && (crypto.getRandomValues || crypto.randomBytes)) { this[p] = true; } else { throw Error(cryptoUnavailable); } } else { this[p] = false; } } else { throw Error(invalidArgument + p + ': ' + v); } } return this; } /* * Return a new Decimal whose value is the cosine of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function cos(x) { return new this(x).cos(); } /* * Return a new Decimal whose value is the hyperbolic cosine of `x`, rounded to precision * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function cosh(x) { return new this(x).cosh(); } /* * Create and return a Decimal constructor with the same configuration properties as this Decimal * constructor. * */ function clone(obj) { var i, p, ps; /* * The Decimal constructor and exported function. * Return a new Decimal instance. * * v {number|string|Decimal} A numeric value. * */ function Decimal(v) { var e, i, t, x = this; // Decimal called without new. if (!(x instanceof Decimal)) return new Decimal(v); // Retain a reference to this Decimal constructor, and shadow Decimal.prototype.constructor // which points to Object. x.constructor = Decimal; // Duplicate. if (isDecimalInstance(v)) { x.s = v.s; if (external) { if (!v.d || v.e > Decimal.maxE) { // Infinity. x.e = NaN; x.d = null; } else if (v.e < Decimal.minE) { // Zero. x.e = 0; x.d = [0]; } else { x.e = v.e; x.d = v.d.slice(); } } else { x.e = v.e; x.d = v.d ? v.d.slice() : v.d; } return; } t = typeof v; if (t === 'number') { if (v === 0) { x.s = 1 / v < 0 ? -1 : 1; x.e = 0; x.d = [0]; return; } if (v < 0) { v = -v; x.s = -1; } else { x.s = 1; } // Fast path for small integers. if (v === ~~v && v < 1e7) { for (e = 0, i = v; i >= 10; i /= 10) e++; if (external) { if (e > Decimal.maxE) { x.e = NaN; x.d = null; } else if (e < Decimal.minE) { x.e = 0; x.d = [0]; } else { x.e = e; x.d = [v]; } } else { x.e = e; x.d = [v]; } return; // Infinity, NaN. } else if (v * 0 !== 0) { if (!v) x.s = NaN; x.e = NaN; x.d = null; return; } return parseDecimal(x, v.toString()); } else if (t !== 'string') { throw Error(invalidArgument + v); } // Minus sign? if ((i = v.charCodeAt(0)) === 45) { v = v.slice(1); x.s = -1; } else { // Plus sign? if (i === 43) v = v.slice(1); x.s = 1; } return isDecimal.test(v) ? parseDecimal(x, v) : parseOther(x, v); } Decimal.prototype = P; Decimal.ROUND_UP = 0; Decimal.ROUND_DOWN = 1; Decimal.ROUND_CEIL = 2; Decimal.ROUND_FLOOR = 3; Decimal.ROUND_HALF_UP = 4; Decimal.ROUND_HALF_DOWN = 5; Decimal.ROUND_HALF_EVEN = 6; Decimal.ROUND_HALF_CEIL = 7; Decimal.ROUND_HALF_FLOOR = 8; Decimal.EUCLID = 9; Decimal.config = Decimal.set = config; Decimal.clone = clone; Decimal.isDecimal = isDecimalInstance; Decimal.abs = abs; Decimal.acos = acos; Decimal.acosh = acosh; // ES6 Decimal.add = add; Decimal.asin = asin; Decimal.asinh = asinh; // ES6 Decimal.atan = atan; Decimal.atanh = atanh; // ES6 Decimal.atan2 = atan2; Decimal.cbrt = cbrt; // ES6 Decimal.ceil = ceil; Decimal.clamp = clamp; Decimal.cos = cos; Decimal.cosh = cosh; // ES6 Decimal.div = div; Decimal.exp = exp; Decimal.floor = floor; Decimal.hypot = hypot; // ES6 Decimal.ln = ln; Decimal.log = log; Decimal.log10 = log10; // ES6 Decimal.log2 = log2; // ES6 Decimal.max = max; Decimal.min = min; Decimal.mod = mod; Decimal.mul = mul; Decimal.pow = pow; Decimal.random = random; Decimal.round = round; Decimal.sign = sign; // ES6 Decimal.sin = sin; Decimal.sinh = sinh; // ES6 Decimal.sqrt = sqrt; Decimal.sub = sub; Decimal.sum = sum; Decimal.tan = tan; Decimal.tanh = tanh; // ES6 Decimal.trunc = trunc; // ES6 if (obj === void 0) obj = {}; if (obj) { if (obj.defaults !== true) { ps = ['precision', 'rounding', 'toExpNeg', 'toExpPos', 'maxE', 'minE', 'modulo', 'crypto']; for (i = 0; i < ps.length;) if (!obj.hasOwnProperty(p = ps[i++])) obj[p] = this[p]; } } Decimal.config(obj); return Decimal; } /* * Return a new Decimal whose value is `x` divided by `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function div(x, y) { return new this(x).div(y); } /* * Return a new Decimal whose value is the natural exponential of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} The power to which to raise the base of the natural log. * */ function exp(x) { return new this(x).exp(); } /* * Return a new Decimal whose value is `x` round to an integer using `ROUND_FLOOR`. * * x {number|string|Decimal} * */ function floor(x) { return finalise(x = new this(x), x.e + 1, 3); } /* * Return a new Decimal whose value is the square root of the sum of the squares of the arguments, * rounded to `precision` significant digits using rounding mode `rounding`. * * hypot(a, b, ...) = sqrt(a^2 + b^2 + ...) * * arguments {number|string|Decimal} * */ function hypot() { var i, n, t = new this(0); external = false; for (i = 0; i < arguments.length;) { n = new this(arguments[i++]); if (!n.d) { if (n.s) { external = true; return new this(1 / 0); } t = n; } else if (t.d) { t = t.plus(n.times(n)); } } external = true; return t.sqrt(); } /* * Return true if object is a Decimal instance (where Decimal is any Decimal constructor), * otherwise return false. * */ function isDecimalInstance(obj) { return obj instanceof Decimal || obj && obj.toStringTag === tag || false; } /* * Return a new Decimal whose value is the natural logarithm of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function ln(x) { return new this(x).ln(); } /* * Return a new Decimal whose value is the log of `x` to the base `y`, or to base 10 if no base * is specified, rounded to `precision` significant digits using rounding mode `rounding`. * * log[y](x) * * x {number|string|Decimal} The argument of the logarithm. * y {number|string|Decimal} The base of the logarithm. * */ function log(x, y) { return new this(x).log(y); } /* * Return a new Decimal whose value is the base 2 logarithm of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function log2(x) { return new this(x).log(2); } /* * Return a new Decimal whose value is the base 10 logarithm of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function log10(x) { return new this(x).log(10); } /* * Return a new Decimal whose value is the maximum of the arguments. * * arguments {number|string|Decimal} * */ function max() { return maxOrMin(this, arguments, 'lt'); } /* * Return a new Decimal whose value is the minimum of the arguments. * * arguments {number|string|Decimal} * */ function min() { return maxOrMin(this, arguments, 'gt'); } /* * Return a new Decimal whose value is `x` modulo `y`, rounded to `precision` significant digits * using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function mod(x, y) { return new this(x).mod(y); } /* * Return a new Decimal whose value is `x` multiplied by `y`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function mul(x, y) { return new this(x).mul(y); } /* * Return a new Decimal whose value is `x` raised to the power `y`, rounded to precision * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} The base. * y {number|string|Decimal} The exponent. * */ function pow(x, y) { return new this(x).pow(y); } /* * Returns a new Decimal with a random value equal to or greater than 0 and less than 1, and with * `sd`, or `Decimal.precision` if `sd` is omitted, significant digits (or less if trailing zeros * are produced). * * [sd] {number} Significant digits. Integer, 0 to MAX_DIGITS inclusive. * */ function random(sd) { var d, e, k, n, i = 0, r = new this(1), rd = []; if (sd === void 0) sd = this.precision; else checkInt32(sd, 1, MAX_DIGITS); k = Math.ceil(sd / LOG_BASE); if (!this.crypto) { for (; i < k;) rd[i++] = Math.random() * 1e7 | 0; // Browsers supporting crypto.getRandomValues. } else if (crypto.getRandomValues) { d = crypto.getRandomValues(new Uint32Array(k)); for (; i < k;) { n = d[i]; // 0 <= n < 4294967296 // Probability n >= 4.29e9, is 4967296 / 4294967296 = 0.00116 (1 in 865). if (n >= 4.29e9) { d[i] = crypto.getRandomValues(new Uint32Array(1))[0]; } else { // 0 <= n <= 4289999999 // 0 <= (n % 1e7) <= 9999999 rd[i++] = n % 1e7; } } // Node.js supporting crypto.randomBytes. } else if (crypto.randomBytes) { // buffer d = crypto.randomBytes(k *= 4); for (; i < k;) { // 0 <= n < 2147483648 n = d[i] + (d[i + 1] << 8) + (d[i + 2] << 16) + ((d[i + 3] & 0x7f) << 24); // Probability n >= 2.14e9, is 7483648 / 2147483648 = 0.0035 (1 in 286). if (n >= 2.14e9) { crypto.randomBytes(4).copy(d, i); } else { // 0 <= n <= 2139999999 // 0 <= (n % 1e7) <= 9999999 rd.push(n % 1e7); i += 4; } } i = k / 4; } else { throw Error(cryptoUnavailable); } k = rd[--i]; sd %= LOG_BASE; // Convert trailing digits to zeros according to sd. if (k && sd) { n = mathpow(10, LOG_BASE - sd); rd[i] = (k / n | 0) * n; } // Remove trailing words which are zero. for (; rd[i] === 0; i--) rd.pop(); // Zero? if (i < 0) { e = 0; rd = [0]; } else { e = -1; // Remove leading words which are zero and adjust exponent accordingly. for (; rd[0] === 0; e -= LOG_BASE) rd.shift(); // Count the digits of the first word of rd to determine leading zeros. for (k = 1, n = rd[0]; n >= 10; n /= 10) k++; // Adjust the exponent for leading zeros of the first word of rd. if (k < LOG_BASE) e -= LOG_BASE - k; } r.e = e; r.d = rd; return r; } /* * Return a new Decimal whose value is `x` rounded to an integer using rounding mode `rounding`. * * To emulate `Math.round`, set rounding to 7 (ROUND_HALF_CEIL). * * x {number|string|Decimal} * */ function round(x) { return finalise(x = new this(x), x.e + 1, this.rounding); } /* * Return * 1 if x > 0, * -1 if x < 0, * 0 if x is 0, * -0 if x is -0, * NaN otherwise * * x {number|string|Decimal} * */ function sign(x) { x = new this(x); return x.d ? (x.d[0] ? x.s : 0 * x.s) : x.s || NaN; } /* * Return a new Decimal whose value is the sine of `x`, rounded to `precision` significant digits * using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function sin(x) { return new this(x).sin(); } /* * Return a new Decimal whose value is the hyperbolic sine of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function sinh(x) { return new this(x).sinh(); } /* * Return a new Decimal whose value is the square root of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} * */ function sqrt(x) { return new this(x).sqrt(); } /* * Return a new Decimal whose value is `x` minus `y`, rounded to `precision` significant digits * using rounding mode `rounding`. * * x {number|string|Decimal} * y {number|string|Decimal} * */ function sub(x, y) { return new this(x).sub(y); } /* * Return a new Decimal whose value is the sum of the arguments, rounded to `precision` * significant digits using rounding mode `rounding`. * * Only the result is rounded, not the intermediate calculations. * * arguments {number|string|Decimal} * */ function sum() { var i = 0, args = arguments, x = new this(args[i]); external = false; for (; x.s && ++i < args.length;) x = x.plus(args[i]); external = true; return finalise(x, this.precision, this.rounding); } /* * Return a new Decimal whose value is the tangent of `x`, rounded to `precision` significant * digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function tan(x) { return new this(x).tan(); } /* * Return a new Decimal whose value is the hyperbolic tangent of `x`, rounded to `precision` * significant digits using rounding mode `rounding`. * * x {number|string|Decimal} A value in radians. * */ function tanh(x) { return new this(x).tanh(); } /* * Return a new Decimal whose value is `x` truncated to an integer. * * x {number|string|Decimal} * */ function trunc(x) { return finalise(x = new this(x), x.e + 1, 1); } // Create and configure initial Decimal constructor. Decimal = clone(DEFAULTS); Decimal.prototype.constructor = Decimal; Decimal['default'] = Decimal.Decimal = Decimal; // Create the internal constants from their string values. LN10 = new Decimal(LN10); PI = new Decimal(PI); // Export. // AMD. if (true) { !(__WEBPACK_AMD_DEFINE_RESULT__ = (function () { return Decimal; }).call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); // Node and other environments that support module.exports. } else {} })(this); /***/ }), /***/ "../../node_modules/define-properties/index.js": /*!*****************************************************!*\ !*** ../../node_modules/define-properties/index.js ***! \*****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var keys = __webpack_require__(/*! object-keys */ "../../node_modules/object-keys/index.js"); var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol'; var toStr = Object.prototype.toString; var concat = Array.prototype.concat; var origDefineProperty = Object.defineProperty; var isFunction = function (fn) { return typeof fn === 'function' && toStr.call(fn) === '[object Function]'; }; var hasPropertyDescriptors = __webpack_require__(/*! has-property-descriptors */ "../../node_modules/has-property-descriptors/index.js")(); var supportsDescriptors = origDefineProperty && hasPropertyDescriptors; var defineProperty = function (object, name, value, predicate) { if (name in object && (!isFunction(predicate) || !predicate())) { return; } if (supportsDescriptors) { origDefineProperty(object, name, { configurable: true, enumerable: false, value: value, writable: true }); } else { object[name] = value; // eslint-disable-line no-param-reassign } }; var defineProperties = function (object, map) { var predicates = arguments.length > 2 ? arguments[2] : {}; var props = keys(map); if (hasSymbols) { props = concat.call(props, Object.getOwnPropertySymbols(map)); } for (var i = 0; i < props.length; i += 1) { defineProperty(object, props[i], map[props[i]], predicates[props[i]]); } }; defineProperties.supportsDescriptors = !!supportsDescriptors; module.exports = defineProperties; /***/ }), /***/ "../../node_modules/des.js/lib/des.js": /*!********************************************!*\ !*** ../../node_modules/des.js/lib/des.js ***! \********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; exports.utils = __webpack_require__(/*! ./des/utils */ "../../node_modules/des.js/lib/des/utils.js"); exports.Cipher = __webpack_require__(/*! ./des/cipher */ "../../node_modules/des.js/lib/des/cipher.js"); exports.DES = __webpack_require__(/*! ./des/des */ "../../node_modules/des.js/lib/des/des.js"); exports.CBC = __webpack_require__(/*! ./des/cbc */ "../../node_modules/des.js/lib/des/cbc.js"); exports.EDE = __webpack_require__(/*! ./des/ede */ "../../node_modules/des.js/lib/des/ede.js"); /***/ }), /***/ "../../node_modules/des.js/lib/des/cbc.js": /*!************************************************!*\ !*** ../../node_modules/des.js/lib/des/cbc.js ***! \************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); var proto = {}; function CBCState(iv) { assert.equal(iv.length, 8, 'Invalid IV length'); this.iv = new Array(8); for (var i = 0; i < this.iv.length; i++) this.iv[i] = iv[i]; } function instantiate(Base) { function CBC(options) { Base.call(this, options); this._cbcInit(); } inherits(CBC, Base); var keys = Object.keys(proto); for (var i = 0; i < keys.length; i++) { var key = keys[i]; CBC.prototype[key] = proto[key]; } CBC.create = function create(options) { return new CBC(options); }; return CBC; } exports.instantiate = instantiate; proto._cbcInit = function _cbcInit() { var state = new CBCState(this.options.iv); this._cbcState = state; }; proto._update = function _update(inp, inOff, out, outOff) { var state = this._cbcState; var superProto = this.constructor.super_.prototype; var iv = state.iv; if (this.type === 'encrypt') { for (var i = 0; i < this.blockSize; i++) iv[i] ^= inp[inOff + i]; superProto._update.call(this, iv, 0, out, outOff); for (var i = 0; i < this.blockSize; i++) iv[i] = out[outOff + i]; } else { superProto._update.call(this, inp, inOff, out, outOff); for (var i = 0; i < this.blockSize; i++) out[outOff + i] ^= iv[i]; for (var i = 0; i < this.blockSize; i++) iv[i] = inp[inOff + i]; } }; /***/ }), /***/ "../../node_modules/des.js/lib/des/cipher.js": /*!***************************************************!*\ !*** ../../node_modules/des.js/lib/des/cipher.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); function Cipher(options) { this.options = options; this.type = this.options.type; this.blockSize = 8; this._init(); this.buffer = new Array(this.blockSize); this.bufferOff = 0; } module.exports = Cipher; Cipher.prototype._init = function _init() { // Might be overrided }; Cipher.prototype.update = function update(data) { if (data.length === 0) return []; if (this.type === 'decrypt') return this._updateDecrypt(data); else return this._updateEncrypt(data); }; Cipher.prototype._buffer = function _buffer(data, off) { // Append data to buffer var min = Math.min(this.buffer.length - this.bufferOff, data.length - off); for (var i = 0; i < min; i++) this.buffer[this.bufferOff + i] = data[off + i]; this.bufferOff += min; // Shift next return min; }; Cipher.prototype._flushBuffer = function _flushBuffer(out, off) { this._update(this.buffer, 0, out, off); this.bufferOff = 0; return this.blockSize; }; Cipher.prototype._updateEncrypt = function _updateEncrypt(data) { var inputOff = 0; var outputOff = 0; var count = ((this.bufferOff + data.length) / this.blockSize) | 0; var out = new Array(count * this.blockSize); if (this.bufferOff !== 0) { inputOff += this._buffer(data, inputOff); if (this.bufferOff === this.buffer.length) outputOff += this._flushBuffer(out, outputOff); } // Write blocks var max = data.length - ((data.length - inputOff) % this.blockSize); for (; inputOff < max; inputOff += this.blockSize) { this._update(data, inputOff, out, outputOff); outputOff += this.blockSize; } // Queue rest for (; inputOff < data.length; inputOff++, this.bufferOff++) this.buffer[this.bufferOff] = data[inputOff]; return out; }; Cipher.prototype._updateDecrypt = function _updateDecrypt(data) { var inputOff = 0; var outputOff = 0; var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1; var out = new Array(count * this.blockSize); // TODO(indutny): optimize it, this is far from optimal for (; count > 0; count--) { inputOff += this._buffer(data, inputOff); outputOff += this._flushBuffer(out, outputOff); } // Buffer rest of the input inputOff += this._buffer(data, inputOff); return out; }; Cipher.prototype.final = function final(buffer) { var first; if (buffer) first = this.update(buffer); var last; if (this.type === 'encrypt') last = this._finalEncrypt(); else last = this._finalDecrypt(); if (first) return first.concat(last); else return last; }; Cipher.prototype._pad = function _pad(buffer, off) { if (off === 0) return false; while (off < buffer.length) buffer[off++] = 0; return true; }; Cipher.prototype._finalEncrypt = function _finalEncrypt() { if (!this._pad(this.buffer, this.bufferOff)) return []; var out = new Array(this.blockSize); this._update(this.buffer, 0, out, 0); return out; }; Cipher.prototype._unpad = function _unpad(buffer) { return buffer; }; Cipher.prototype._finalDecrypt = function _finalDecrypt() { assert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt'); var out = new Array(this.blockSize); this._flushBuffer(out, 0); return this._unpad(out); }; /***/ }), /***/ "../../node_modules/des.js/lib/des/des.js": /*!************************************************!*\ !*** ../../node_modules/des.js/lib/des/des.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); var utils = __webpack_require__(/*! ./utils */ "../../node_modules/des.js/lib/des/utils.js"); var Cipher = __webpack_require__(/*! ./cipher */ "../../node_modules/des.js/lib/des/cipher.js"); function DESState() { this.tmp = new Array(2); this.keys = null; } function DES(options) { Cipher.call(this, options); var state = new DESState(); this._desState = state; this.deriveKeys(state, options.key); } inherits(DES, Cipher); module.exports = DES; DES.create = function create(options) { return new DES(options); }; var shiftTable = [ 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 ]; DES.prototype.deriveKeys = function deriveKeys(state, key) { state.keys = new Array(16 * 2); assert.equal(key.length, this.blockSize, 'Invalid key length'); var kL = utils.readUInt32BE(key, 0); var kR = utils.readUInt32BE(key, 4); utils.pc1(kL, kR, state.tmp, 0); kL = state.tmp[0]; kR = state.tmp[1]; for (var i = 0; i < state.keys.length; i += 2) { var shift = shiftTable[i >>> 1]; kL = utils.r28shl(kL, shift); kR = utils.r28shl(kR, shift); utils.pc2(kL, kR, state.keys, i); } }; DES.prototype._update = function _update(inp, inOff, out, outOff) { var state = this._desState; var l = utils.readUInt32BE(inp, inOff); var r = utils.readUInt32BE(inp, inOff + 4); // Initial Permutation utils.ip(l, r, state.tmp, 0); l = state.tmp[0]; r = state.tmp[1]; if (this.type === 'encrypt') this._encrypt(state, l, r, state.tmp, 0); else this._decrypt(state, l, r, state.tmp, 0); l = state.tmp[0]; r = state.tmp[1]; utils.writeUInt32BE(out, l, outOff); utils.writeUInt32BE(out, r, outOff + 4); }; DES.prototype._pad = function _pad(buffer, off) { var value = buffer.length - off; for (var i = off; i < buffer.length; i++) buffer[i] = value; return true; }; DES.prototype._unpad = function _unpad(buffer) { var pad = buffer[buffer.length - 1]; for (var i = buffer.length - pad; i < buffer.length; i++) assert.equal(buffer[i], pad); return buffer.slice(0, buffer.length - pad); }; DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) { var l = lStart; var r = rStart; // Apply f() x16 times for (var i = 0; i < state.keys.length; i += 2) { var keyL = state.keys[i]; var keyR = state.keys[i + 1]; // f(r, k) utils.expand(r, state.tmp, 0); keyL ^= state.tmp[0]; keyR ^= state.tmp[1]; var s = utils.substitute(keyL, keyR); var f = utils.permute(s); var t = r; r = (l ^ f) >>> 0; l = t; } // Reverse Initial Permutation utils.rip(r, l, out, off); }; DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) { var l = rStart; var r = lStart; // Apply f() x16 times for (var i = state.keys.length - 2; i >= 0; i -= 2) { var keyL = state.keys[i]; var keyR = state.keys[i + 1]; // f(r, k) utils.expand(l, state.tmp, 0); keyL ^= state.tmp[0]; keyR ^= state.tmp[1]; var s = utils.substitute(keyL, keyR); var f = utils.permute(s); var t = l; l = (r ^ f) >>> 0; r = t; } // Reverse Initial Permutation utils.rip(l, r, out, off); }; /***/ }), /***/ "../../node_modules/des.js/lib/des/ede.js": /*!************************************************!*\ !*** ../../node_modules/des.js/lib/des/ede.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); var Cipher = __webpack_require__(/*! ./cipher */ "../../node_modules/des.js/lib/des/cipher.js"); var DES = __webpack_require__(/*! ./des */ "../../node_modules/des.js/lib/des/des.js"); function EDEState(type, key) { assert.equal(key.length, 24, 'Invalid key length'); var k1 = key.slice(0, 8); var k2 = key.slice(8, 16); var k3 = key.slice(16, 24); if (type === 'encrypt') { this.ciphers = [ DES.create({ type: 'encrypt', key: k1 }), DES.create({ type: 'decrypt', key: k2 }), DES.create({ type: 'encrypt', key: k3 }) ]; } else { this.ciphers = [ DES.create({ type: 'decrypt', key: k3 }), DES.create({ type: 'encrypt', key: k2 }), DES.create({ type: 'decrypt', key: k1 }) ]; } } function EDE(options) { Cipher.call(this, options); var state = new EDEState(this.type, this.options.key); this._edeState = state; } inherits(EDE, Cipher); module.exports = EDE; EDE.create = function create(options) { return new EDE(options); }; EDE.prototype._update = function _update(inp, inOff, out, outOff) { var state = this._edeState; state.ciphers[0]._update(inp, inOff, out, outOff); state.ciphers[1]._update(out, outOff, out, outOff); state.ciphers[2]._update(out, outOff, out, outOff); }; EDE.prototype._pad = DES.prototype._pad; EDE.prototype._unpad = DES.prototype._unpad; /***/ }), /***/ "../../node_modules/des.js/lib/des/utils.js": /*!**************************************************!*\ !*** ../../node_modules/des.js/lib/des/utils.js ***! \**************************************************/ /***/ ((__unused_webpack_module, exports) => { "use strict"; exports.readUInt32BE = function readUInt32BE(bytes, off) { var res = (bytes[0 + off] << 24) | (bytes[1 + off] << 16) | (bytes[2 + off] << 8) | bytes[3 + off]; return res >>> 0; }; exports.writeUInt32BE = function writeUInt32BE(bytes, value, off) { bytes[0 + off] = value >>> 24; bytes[1 + off] = (value >>> 16) & 0xff; bytes[2 + off] = (value >>> 8) & 0xff; bytes[3 + off] = value & 0xff; }; exports.ip = function ip(inL, inR, out, off) { var outL = 0; var outR = 0; for (var i = 6; i >= 0; i -= 2) { for (var j = 0; j <= 24; j += 8) { outL <<= 1; outL |= (inR >>> (j + i)) & 1; } for (var j = 0; j <= 24; j += 8) { outL <<= 1; outL |= (inL >>> (j + i)) & 1; } } for (var i = 6; i >= 0; i -= 2) { for (var j = 1; j <= 25; j += 8) { outR <<= 1; outR |= (inR >>> (j + i)) & 1; } for (var j = 1; j <= 25; j += 8) { outR <<= 1; outR |= (inL >>> (j + i)) & 1; } } out[off + 0] = outL >>> 0; out[off + 1] = outR >>> 0; }; exports.rip = function rip(inL, inR, out, off) { var outL = 0; var outR = 0; for (var i = 0; i < 4; i++) { for (var j = 24; j >= 0; j -= 8) { outL <<= 1; outL |= (inR >>> (j + i)) & 1; outL <<= 1; outL |= (inL >>> (j + i)) & 1; } } for (var i = 4; i < 8; i++) { for (var j = 24; j >= 0; j -= 8) { outR <<= 1; outR |= (inR >>> (j + i)) & 1; outR <<= 1; outR |= (inL >>> (j + i)) & 1; } } out[off + 0] = outL >>> 0; out[off + 1] = outR >>> 0; }; exports.pc1 = function pc1(inL, inR, out, off) { var outL = 0; var outR = 0; // 7, 15, 23, 31, 39, 47, 55, 63 // 6, 14, 22, 30, 39, 47, 55, 63 // 5, 13, 21, 29, 39, 47, 55, 63 // 4, 12, 20, 28 for (var i = 7; i >= 5; i--) { for (var j = 0; j <= 24; j += 8) { outL <<= 1; outL |= (inR >> (j + i)) & 1; } for (var j = 0; j <= 24; j += 8) { outL <<= 1; outL |= (inL >> (j + i)) & 1; } } for (var j = 0; j <= 24; j += 8) { outL <<= 1; outL |= (inR >> (j + i)) & 1; } // 1, 9, 17, 25, 33, 41, 49, 57 // 2, 10, 18, 26, 34, 42, 50, 58 // 3, 11, 19, 27, 35, 43, 51, 59 // 36, 44, 52, 60 for (var i = 1; i <= 3; i++) { for (var j = 0; j <= 24; j += 8) { outR <<= 1; outR |= (inR >> (j + i)) & 1; } for (var j = 0; j <= 24; j += 8) { outR <<= 1; outR |= (inL >> (j + i)) & 1; } } for (var j = 0; j <= 24; j += 8) { outR <<= 1; outR |= (inL >> (j + i)) & 1; } out[off + 0] = outL >>> 0; out[off + 1] = outR >>> 0; }; exports.r28shl = function r28shl(num, shift) { return ((num << shift) & 0xfffffff) | (num >>> (28 - shift)); }; var pc2table = [ // inL => outL 14, 11, 17, 4, 27, 23, 25, 0, 13, 22, 7, 18, 5, 9, 16, 24, 2, 20, 12, 21, 1, 8, 15, 26, // inR => outR 15, 4, 25, 19, 9, 1, 26, 16, 5, 11, 23, 8, 12, 7, 17, 0, 22, 3, 10, 14, 6, 20, 27, 24 ]; exports.pc2 = function pc2(inL, inR, out, off) { var outL = 0; var outR = 0; var len = pc2table.length >>> 1; for (var i = 0; i < len; i++) { outL <<= 1; outL |= (inL >>> pc2table[i]) & 0x1; } for (var i = len; i < pc2table.length; i++) { outR <<= 1; outR |= (inR >>> pc2table[i]) & 0x1; } out[off + 0] = outL >>> 0; out[off + 1] = outR >>> 0; }; exports.expand = function expand(r, out, off) { var outL = 0; var outR = 0; outL = ((r & 1) << 5) | (r >>> 27); for (var i = 23; i >= 15; i -= 4) { outL <<= 6; outL |= (r >>> i) & 0x3f; } for (var i = 11; i >= 3; i -= 4) { outR |= (r >>> i) & 0x3f; outR <<= 6; } outR |= ((r & 0x1f) << 1) | (r >>> 31); out[off + 0] = outL >>> 0; out[off + 1] = outR >>> 0; }; var sTable = [ 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13, 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9, 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12, 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14, 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3, 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13, 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12, 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 ]; exports.substitute = function substitute(inL, inR) { var out = 0; for (var i = 0; i < 4; i++) { var b = (inL >>> (18 - i * 6)) & 0x3f; var sb = sTable[i * 0x40 + b]; out <<= 4; out |= sb; } for (var i = 0; i < 4; i++) { var b = (inR >>> (18 - i * 6)) & 0x3f; var sb = sTable[4 * 0x40 + i * 0x40 + b]; out <<= 4; out |= sb; } return out >>> 0; }; var permuteTable = [ 16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22, 30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7 ]; exports.permute = function permute(num) { var out = 0; for (var i = 0; i < permuteTable.length; i++) { out <<= 1; out |= (num >>> permuteTable[i]) & 0x1; } return out >>> 0; }; exports.padSplit = function padSplit(num, size, group) { var str = num.toString(2); while (str.length < size) str = '0' + str; var out = []; for (var i = 0; i < size; i += group) out.push(str.slice(i, i + group)); return out.join(' '); }; /***/ }), /***/ "../../node_modules/diffie-hellman/browser.js": /*!****************************************************!*\ !*** ../../node_modules/diffie-hellman/browser.js ***! \****************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; var generatePrime = __webpack_require__(/*! ./lib/generatePrime */ "../../node_modules/diffie-hellman/lib/generatePrime.js") var primes = __webpack_require__(/*! ./lib/primes.json */ "../../node_modules/diffie-hellman/lib/primes.json") var DH = __webpack_require__(/*! ./lib/dh */ "../../node_modules/diffie-hellman/lib/dh.js") function getDiffieHellman (mod) { var prime = new Buffer(primes[mod].prime, 'hex') var gen = new Buffer(primes[mod].gen, 'hex') return new DH(prime, gen) } var ENCODINGS = { 'binary': true, 'hex': true, 'base64': true } function createDiffieHellman (prime, enc, generator, genc) { if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) { return createDiffieHellman(prime, 'binary', enc, generator) } enc = enc || 'binary' genc = genc || 'binary' generator = generator || new Buffer([2]) if (!Buffer.isBuffer(generator)) { generator = new Buffer(generator, genc) } if (typeof prime === 'number') { return new DH(generatePrime(prime, generator), generator, true) } if (!Buffer.isBuffer(prime)) { prime = new Buffer(prime, enc) } return new DH(prime, generator, true) } exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman /***/ }), /***/ "../../node_modules/diffie-hellman/lib/dh.js": /*!***************************************************!*\ !*** ../../node_modules/diffie-hellman/lib/dh.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { /* provided dependency */ var Buffer = __webpack_require__(/*! buffer */ "../../node_modules/buffer/index.js")["Buffer"]; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var MillerRabin = __webpack_require__(/*! miller-rabin */ "../../node_modules/miller-rabin/lib/mr.js"); var millerRabin = new MillerRabin(); var TWENTYFOUR = new BN(24); var ELEVEN = new BN(11); var TEN = new BN(10); var THREE = new BN(3); var SEVEN = new BN(7); var primes = __webpack_require__(/*! ./generatePrime */ "../../node_modules/diffie-hellman/lib/generatePrime.js"); var randomBytes = __webpack_require__(/*! randombytes */ "../../node_modules/randombytes/browser.js"); module.exports = DH; function setPublicKey(pub, enc) { enc = enc || 'utf8'; if (!Buffer.isBuffer(pub)) { pub = new Buffer(pub, enc); } this._pub = new BN(pub); return this; } function setPrivateKey(priv, enc) { enc = enc || 'utf8'; if (!Buffer.isBuffer(priv)) { priv = new Buffer(priv, enc); } this._priv = new BN(priv); return this; } var primeCache = {}; function checkPrime(prime, generator) { var gen = generator.toString('hex'); var hex = [gen, prime.toString(16)].join('_'); if (hex in primeCache) { return primeCache[hex]; } var error = 0; if (prime.isEven() || !primes.simpleSieve || !primes.fermatTest(prime) || !millerRabin.test(prime)) { //not a prime so +1 error += 1; if (gen === '02' || gen === '05') { // we'd be able to check the generator // it would fail so +8 error += 8; } else { //we wouldn't be able to test the generator // so +4 error += 4; } primeCache[hex] = error; return error; } if (!millerRabin.test(prime.shrn(1))) { //not a safe prime error += 2; } var rem; switch (gen) { case '02': if (prime.mod(TWENTYFOUR).cmp(ELEVEN)) { // unsuidable generator error += 8; } break; case '05': rem = prime.mod(TEN); if (rem.cmp(THREE) && rem.cmp(SEVEN)) { // prime mod 10 needs to equal 3 or 7 error += 8; } break; default: error += 4; } primeCache[hex] = error; return error; } function DH(prime, generator, malleable) { this.setGenerator(generator); this.__prime = new BN(prime); this._prime = BN.mont(this.__prime); this._primeLen = prime.length; this._pub = undefined; this._priv = undefined; this._primeCode = undefined; if (malleable) { this.setPublicKey = setPublicKey; this.setPrivateKey = setPrivateKey; } else { this._primeCode = 8; } } Object.defineProperty(DH.prototype, 'verifyError', { enumerable: true, get: function () { if (typeof this._primeCode !== 'number') { this._primeCode = checkPrime(this.__prime, this.__gen); } return this._primeCode; } }); DH.prototype.generateKeys = function () { if (!this._priv) { this._priv = new BN(randomBytes(this._primeLen)); } this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed(); return this.getPublicKey(); }; DH.prototype.computeSecret = function (other) { other = new BN(other); other = other.toRed(this._prime); var secret = other.redPow(this._priv).fromRed(); var out = new Buffer(secret.toArray()); var prime = this.getPrime(); if (out.length < prime.length) { var front = new Buffer(prime.length - out.length); front.fill(0); out = Buffer.concat([front, out]); } return out; }; DH.prototype.getPublicKey = function getPublicKey(enc) { return formatReturnValue(this._pub, enc); }; DH.prototype.getPrivateKey = function getPrivateKey(enc) { return formatReturnValue(this._priv, enc); }; DH.prototype.getPrime = function (enc) { return formatReturnValue(this.__prime, enc); }; DH.prototype.getGenerator = function (enc) { return formatReturnValue(this._gen, enc); }; DH.prototype.setGenerator = function (gen, enc) { enc = enc || 'utf8'; if (!Buffer.isBuffer(gen)) { gen = new Buffer(gen, enc); } this.__gen = gen; this._gen = new BN(gen); return this; }; function formatReturnValue(bn, enc) { var buf = new Buffer(bn.toArray()); if (!enc) { return buf; } else { return buf.toString(enc); } } /***/ }), /***/ "../../node_modules/diffie-hellman/lib/generatePrime.js": /*!**************************************************************!*\ !*** ../../node_modules/diffie-hellman/lib/generatePrime.js ***! \**************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var randomBytes = __webpack_require__(/*! randombytes */ "../../node_modules/randombytes/browser.js"); module.exports = findPrime; findPrime.simpleSieve = simpleSieve; findPrime.fermatTest = fermatTest; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var TWENTYFOUR = new BN(24); var MillerRabin = __webpack_require__(/*! miller-rabin */ "../../node_modules/miller-rabin/lib/mr.js"); var millerRabin = new MillerRabin(); var ONE = new BN(1); var TWO = new BN(2); var FIVE = new BN(5); var SIXTEEN = new BN(16); var EIGHT = new BN(8); var TEN = new BN(10); var THREE = new BN(3); var SEVEN = new BN(7); var ELEVEN = new BN(11); var FOUR = new BN(4); var TWELVE = new BN(12); var primes = null; function _getPrimes() { if (primes !== null) return primes; var limit = 0x100000; var res = []; res[0] = 2; for (var i = 1, k = 3; k < limit; k += 2) { var sqrt = Math.ceil(Math.sqrt(k)); for (var j = 0; j < i && res[j] <= sqrt; j++) if (k % res[j] === 0) break; if (i !== j && res[j] <= sqrt) continue; res[i++] = k; } primes = res; return res; } function simpleSieve(p) { var primes = _getPrimes(); for (var i = 0; i < primes.length; i++) if (p.modn(primes[i]) === 0) { if (p.cmpn(primes[i]) === 0) { return true; } else { return false; } } return true; } function fermatTest(p) { var red = BN.mont(p); return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0; } function findPrime(bits, gen) { if (bits < 16) { // this is what openssl does if (gen === 2 || gen === 5) { return new BN([0x8c, 0x7b]); } else { return new BN([0x8c, 0x27]); } } gen = new BN(gen); var num, n2; while (true) { num = new BN(randomBytes(Math.ceil(bits / 8))); while (num.bitLength() > bits) { num.ishrn(1); } if (num.isEven()) { num.iadd(ONE); } if (!num.testn(1)) { num.iadd(TWO); } if (!gen.cmp(TWO)) { while (num.mod(TWENTYFOUR).cmp(ELEVEN)) { num.iadd(FOUR); } } else if (!gen.cmp(FIVE)) { while (num.mod(TEN).cmp(THREE)) { num.iadd(FOUR); } } n2 = num.shrn(1); if (simpleSieve(n2) && simpleSieve(num) && fermatTest(n2) && fermatTest(num) && millerRabin.test(n2) && millerRabin.test(num)) { return num; } } } /***/ }), /***/ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js": /*!**********************************************************************!*\ !*** ../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js ***! \**********************************************************************/ /***/ (function(module, __unused_webpack_exports, __webpack_require__) { /* module decorator */ module = __webpack_require__.nmd(module); (function (module, exports) { 'use strict'; // Utils function assert (val, msg) { if (!val) throw new Error(msg || 'Assertion failed'); } // Could use `inherits` module, but don't want to move from single file // architecture yet. function inherits (ctor, superCtor) { ctor.super_ = superCtor; var TempCtor = function () {}; TempCtor.prototype = superCtor.prototype; ctor.prototype = new TempCtor(); ctor.prototype.constructor = ctor; } // BN function BN (number, base, endian) { if (BN.isBN(number)) { return number; } this.negative = 0; this.words = null; this.length = 0; // Reduction context this.red = null; if (number !== null) { if (base === 'le' || base === 'be') { endian = base; base = 10; } this._init(number || 0, base || 10, endian || 'be'); } } if (typeof module === 'object') { module.exports = BN; } else { exports.BN = BN; } BN.BN = BN; BN.wordSize = 26; var Buffer; try { if (typeof window !== 'undefined' && typeof window.Buffer !== 'undefined') { Buffer = window.Buffer; } else { Buffer = (__webpack_require__(/*! buffer */ "?7dc1").Buffer); } } catch (e) { } BN.isBN = function isBN (num) { if (num instanceof BN) { return true; } return num !== null && typeof num === 'object' && num.constructor.wordSize === BN.wordSize && Array.isArray(num.words); }; BN.max = function max (left, right) { if (left.cmp(right) > 0) return left; return right; }; BN.min = function min (left, right) { if (left.cmp(right) < 0) return left; return right; }; BN.prototype._init = function init (number, base, endian) { if (typeof number === 'number') { return this._initNumber(number, base, endian); } if (typeof number === 'object') { return this._initArray(number, base, endian); } if (base === 'hex') { base = 16; } assert(base === (base | 0) && base >= 2 && base <= 36); number = number.toString().replace(/\s+/g, ''); var start = 0; if (number[0] === '-') { start++; this.negative = 1; } if (start < number.length) { if (base === 16) { this._parseHex(number, start, endian); } else { this._parseBase(number, base, start); if (endian === 'le') { this._initArray(this.toArray(), base, endian); } } } }; BN.prototype._initNumber = function _initNumber (number, base, endian) { if (number < 0) { this.negative = 1; number = -number; } if (number < 0x4000000) { this.words = [ number & 0x3ffffff ]; this.length = 1; } else if (number < 0x10000000000000) { this.words = [ number & 0x3ffffff, (number / 0x4000000) & 0x3ffffff ]; this.length = 2; } else { assert(number < 0x20000000000000); // 2 ^ 53 (unsafe) this.words = [ number & 0x3ffffff, (number / 0x4000000) & 0x3ffffff, 1 ]; this.length = 3; } if (endian !== 'le') return; // Reverse the bytes this._initArray(this.toArray(), base, endian); }; BN.prototype._initArray = function _initArray (number, base, endian) { // Perhaps a Uint8Array assert(typeof number.length === 'number'); if (number.length <= 0) { this.words = [ 0 ]; this.length = 1; return this; } this.length = Math.ceil(number.length / 3); this.words = new Array(this.length); for (var i = 0; i < this.length; i++) { this.words[i] = 0; } var j, w; var off = 0; if (endian === 'be') { for (i = number.length - 1, j = 0; i >= 0; i -= 3) { w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; off += 24; if (off >= 26) { off -= 26; j++; } } } else if (endian === 'le') { for (i = 0, j = 0; i < number.length; i += 3) { w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16); this.words[j] |= (w << off) & 0x3ffffff; this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; off += 24; if (off >= 26) { off -= 26; j++; } } } return this.strip(); }; function parseHex4Bits (string, index) { var c = string.charCodeAt(index); // 'A' - 'F' if (c >= 65 && c <= 70) { return c - 55; // 'a' - 'f' } else if (c >= 97 && c <= 102) { return c - 87; // '0' - '9' } else { return (c - 48) & 0xf; } } function parseHexByte (string, lowerBound, index) { var r = parseHex4Bits(string, index); if (index - 1 >= lowerBound) { r |= parseHex4Bits(string, index - 1) << 4; } return r; } BN.prototype._parseHex = function _parseHex (number, start, endian) { // Create possibly bigger array to ensure that it fits the number this.length = Math.ceil((number.length - start) / 6); this.words = new Array(this.length); for (var i = 0; i < this.length; i++) { this.words[i] = 0; } // 24-bits chunks var off = 0; var j = 0; var w; if (endian === 'be') { for (i = number.length - 1; i >= start; i -= 2) { w = parseHexByte(number, start, i) << off; this.words[j] |= w & 0x3ffffff; if (off >= 18) { off -= 18; j += 1; this.words[j] |= w >>> 26; } else { off += 8; } } } else { var parseLength = number.length - start; for (i = parseLength % 2 === 0 ? start + 1 : start; i < number.length; i += 2) { w = parseHexByte(number, start, i) << off; this.words[j] |= w & 0x3ffffff; if (off >= 18) { off -= 18; j += 1; this.words[j] |= w >>> 26; } else { off += 8; } } } this.strip(); }; function parseBase (str, start, end, mul) { var r = 0; var len = Math.min(str.length, end); for (var i = start; i < len; i++) { var c = str.charCodeAt(i) - 48; r *= mul; // 'a' if (c >= 49) { r += c - 49 + 0xa; // 'A' } else if (c >= 17) { r += c - 17 + 0xa; // '0' - '9' } else { r += c; } } return r; } BN.prototype._parseBase = function _parseBase (number, base, start) { // Initialize as zero this.words = [ 0 ]; this.length = 1; // Find length of limb in base for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) { limbLen++; } limbLen--; limbPow = (limbPow / base) | 0; var total = number.length - start; var mod = total % limbLen; var end = Math.min(total, total - mod) + start; var word = 0; for (var i = start; i < end; i += limbLen) { word = parseBase(number, i, i + limbLen, base); this.imuln(limbPow); if (this.words[0] + word < 0x4000000) { this.words[0] += word; } else { this._iaddn(word); } } if (mod !== 0) { var pow = 1; word = parseBase(number, i, number.length, base); for (i = 0; i < mod; i++) { pow *= base; } this.imuln(pow); if (this.words[0] + word < 0x4000000) { this.words[0] += word; } else { this._iaddn(word); } } this.strip(); }; BN.prototype.copy = function copy (dest) { dest.words = new Array(this.length); for (var i = 0; i < this.length; i++) { dest.words[i] = this.words[i]; } dest.length = this.length; dest.negative = this.negative; dest.red = this.red; }; BN.prototype.clone = function clone () { var r = new BN(null); this.copy(r); return r; }; BN.prototype._expand = function _expand (size) { while (this.length < size) { this.words[this.length++] = 0; } return this; }; // Remove leading `0` from `this` BN.prototype.strip = function strip () { while (this.length > 1 && this.words[this.length - 1] === 0) { this.length--; } return this._normSign(); }; BN.prototype._normSign = function _normSign () { // -0 = 0 if (this.length === 1 && this.words[0] === 0) { this.negative = 0; } return this; }; BN.prototype.inspect = function inspect () { return (this.red ? ''; }; /* var zeros = []; var groupSizes = []; var groupBases = []; var s = ''; var i = -1; while (++i < BN.wordSize) { zeros[i] = s; s += '0'; } groupSizes[0] = 0; groupSizes[1] = 0; groupBases[0] = 0; groupBases[1] = 0; var base = 2 - 1; while (++base < 36 + 1) { var groupSize = 0; var groupBase = 1; while (groupBase < (1 << BN.wordSize) / base) { groupBase *= base; groupSize += 1; } groupSizes[base] = groupSize; groupBases[base] = groupBase; } */ var zeros = [ '', '0', '00', '000', '0000', '00000', '000000', '0000000', '00000000', '000000000', '0000000000', '00000000000', '000000000000', '0000000000000', '00000000000000', '000000000000000', '0000000000000000', '00000000000000000', '000000000000000000', '0000000000000000000', '00000000000000000000', '000000000000000000000', '0000000000000000000000', '00000000000000000000000', '000000000000000000000000', '0000000000000000000000000' ]; var groupSizes = [ 0, 0, 25, 16, 12, 11, 10, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 ]; var groupBases = [ 0, 0, 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216, 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625, 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632, 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149, 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176 ]; BN.prototype.toString = function toString (base, padding) { base = base || 10; padding = padding | 0 || 1; var out; if (base === 16 || base === 'hex') { out = ''; var off = 0; var carry = 0; for (var i = 0; i < this.length; i++) { var w = this.words[i]; var word = (((w << off) | carry) & 0xffffff).toString(16); carry = (w >>> (24 - off)) & 0xffffff; if (carry !== 0 || i !== this.length - 1) { out = zeros[6 - word.length] + word + out; } else { out = word + out; } off += 2; if (off >= 26) { off -= 26; i--; } } if (carry !== 0) { out = carry.toString(16) + out; } while (out.length % padding !== 0) { out = '0' + out; } if (this.negative !== 0) { out = '-' + out; } return out; } if (base === (base | 0) && base >= 2 && base <= 36) { // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base)); var groupSize = groupSizes[base]; // var groupBase = Math.pow(base, groupSize); var groupBase = groupBases[base]; out = ''; var c = this.clone(); c.negative = 0; while (!c.isZero()) { var r = c.modn(groupBase).toString(base); c = c.idivn(groupBase); if (!c.isZero()) { out = zeros[groupSize - r.length] + r + out; } else { out = r + out; } } if (this.isZero()) { out = '0' + out; } while (out.length % padding !== 0) { out = '0' + out; } if (this.negative !== 0) { out = '-' + out; } return out; } assert(false, 'Base should be between 2 and 36'); }; BN.prototype.toNumber = function toNumber () { var ret = this.words[0]; if (this.length === 2) { ret += this.words[1] * 0x4000000; } else if (this.length === 3 && this.words[2] === 0x01) { // NOTE: at this stage it is known that the top bit is set ret += 0x10000000000000 + (this.words[1] * 0x4000000); } else if (this.length > 2) { assert(false, 'Number can only safely store up to 53 bits'); } return (this.negative !== 0) ? -ret : ret; }; BN.prototype.toJSON = function toJSON () { return this.toString(16); }; BN.prototype.toBuffer = function toBuffer (endian, length) { assert(typeof Buffer !== 'undefined'); return this.toArrayLike(Buffer, endian, length); }; BN.prototype.toArray = function toArray (endian, length) { return this.toArrayLike(Array, endian, length); }; BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) { var byteLength = this.byteLength(); var reqLength = length || Math.max(1, byteLength); assert(byteLength <= reqLength, 'byte array longer than desired length'); assert(reqLength > 0, 'Requested array length <= 0'); this.strip(); var littleEndian = endian === 'le'; var res = new ArrayType(reqLength); var b, i; var q = this.clone(); if (!littleEndian) { // Assume big-endian for (i = 0; i < reqLength - byteLength; i++) { res[i] = 0; } for (i = 0; !q.isZero(); i++) { b = q.andln(0xff); q.iushrn(8); res[reqLength - i - 1] = b; } } else { for (i = 0; !q.isZero(); i++) { b = q.andln(0xff); q.iushrn(8); res[i] = b; } for (; i < reqLength; i++) { res[i] = 0; } } return res; }; if (Math.clz32) { BN.prototype._countBits = function _countBits (w) { return 32 - Math.clz32(w); }; } else { BN.prototype._countBits = function _countBits (w) { var t = w; var r = 0; if (t >= 0x1000) { r += 13; t >>>= 13; } if (t >= 0x40) { r += 7; t >>>= 7; } if (t >= 0x8) { r += 4; t >>>= 4; } if (t >= 0x02) { r += 2; t >>>= 2; } return r + t; }; } BN.prototype._zeroBits = function _zeroBits (w) { // Short-cut if (w === 0) return 26; var t = w; var r = 0; if ((t & 0x1fff) === 0) { r += 13; t >>>= 13; } if ((t & 0x7f) === 0) { r += 7; t >>>= 7; } if ((t & 0xf) === 0) { r += 4; t >>>= 4; } if ((t & 0x3) === 0) { r += 2; t >>>= 2; } if ((t & 0x1) === 0) { r++; } return r; }; // Return number of used bits in a BN BN.prototype.bitLength = function bitLength () { var w = this.words[this.length - 1]; var hi = this._countBits(w); return (this.length - 1) * 26 + hi; }; function toBitArray (num) { var w = new Array(num.bitLength()); for (var bit = 0; bit < w.length; bit++) { var off = (bit / 26) | 0; var wbit = bit % 26; w[bit] = (num.words[off] & (1 << wbit)) >>> wbit; } return w; } // Number of trailing zero bits BN.prototype.zeroBits = function zeroBits () { if (this.isZero()) return 0; var r = 0; for (var i = 0; i < this.length; i++) { var b = this._zeroBits(this.words[i]); r += b; if (b !== 26) break; } return r; }; BN.prototype.byteLength = function byteLength () { return Math.ceil(this.bitLength() / 8); }; BN.prototype.toTwos = function toTwos (width) { if (this.negative !== 0) { return this.abs().inotn(width).iaddn(1); } return this.clone(); }; BN.prototype.fromTwos = function fromTwos (width) { if (this.testn(width - 1)) { return this.notn(width).iaddn(1).ineg(); } return this.clone(); }; BN.prototype.isNeg = function isNeg () { return this.negative !== 0; }; // Return negative clone of `this` BN.prototype.neg = function neg () { return this.clone().ineg(); }; BN.prototype.ineg = function ineg () { if (!this.isZero()) { this.negative ^= 1; } return this; }; // Or `num` with `this` in-place BN.prototype.iuor = function iuor (num) { while (this.length < num.length) { this.words[this.length++] = 0; } for (var i = 0; i < num.length; i++) { this.words[i] = this.words[i] | num.words[i]; } return this.strip(); }; BN.prototype.ior = function ior (num) { assert((this.negative | num.negative) === 0); return this.iuor(num); }; // Or `num` with `this` BN.prototype.or = function or (num) { if (this.length > num.length) return this.clone().ior(num); return num.clone().ior(this); }; BN.prototype.uor = function uor (num) { if (this.length > num.length) return this.clone().iuor(num); return num.clone().iuor(this); }; // And `num` with `this` in-place BN.prototype.iuand = function iuand (num) { // b = min-length(num, this) var b; if (this.length > num.length) { b = num; } else { b = this; } for (var i = 0; i < b.length; i++) { this.words[i] = this.words[i] & num.words[i]; } this.length = b.length; return this.strip(); }; BN.prototype.iand = function iand (num) { assert((this.negative | num.negative) === 0); return this.iuand(num); }; // And `num` with `this` BN.prototype.and = function and (num) { if (this.length > num.length) return this.clone().iand(num); return num.clone().iand(this); }; BN.prototype.uand = function uand (num) { if (this.length > num.length) return this.clone().iuand(num); return num.clone().iuand(this); }; // Xor `num` with `this` in-place BN.prototype.iuxor = function iuxor (num) { // a.length > b.length var a; var b; if (this.length > num.length) { a = this; b = num; } else { a = num; b = this; } for (var i = 0; i < b.length; i++) { this.words[i] = a.words[i] ^ b.words[i]; } if (this !== a) { for (; i < a.length; i++) { this.words[i] = a.words[i]; } } this.length = a.length; return this.strip(); }; BN.prototype.ixor = function ixor (num) { assert((this.negative | num.negative) === 0); return this.iuxor(num); }; // Xor `num` with `this` BN.prototype.xor = function xor (num) { if (this.length > num.length) return this.clone().ixor(num); return num.clone().ixor(this); }; BN.prototype.uxor = function uxor (num) { if (this.length > num.length) return this.clone().iuxor(num); return num.clone().iuxor(this); }; // Not ``this`` with ``width`` bitwidth BN.prototype.inotn = function inotn (width) { assert(typeof width === 'number' && width >= 0); var bytesNeeded = Math.ceil(width / 26) | 0; var bitsLeft = width % 26; // Extend the buffer with leading zeroes this._expand(bytesNeeded); if (bitsLeft > 0) { bytesNeeded--; } // Handle complete words for (var i = 0; i < bytesNeeded; i++) { this.words[i] = ~this.words[i] & 0x3ffffff; } // Handle the residue if (bitsLeft > 0) { this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft)); } // And remove leading zeroes return this.strip(); }; BN.prototype.notn = function notn (width) { return this.clone().inotn(width); }; // Set `bit` of `this` BN.prototype.setn = function setn (bit, val) { assert(typeof bit === 'number' && bit >= 0); var off = (bit / 26) | 0; var wbit = bit % 26; this._expand(off + 1); if (val) { this.words[off] = this.words[off] | (1 << wbit); } else { this.words[off] = this.words[off] & ~(1 << wbit); } return this.strip(); }; // Add `num` to `this` in-place BN.prototype.iadd = function iadd (num) { var r; // negative + positive if (this.negative !== 0 && num.negative === 0) { this.negative = 0; r = this.isub(num); this.negative ^= 1; return this._normSign(); // positive + negative } else if (this.negative === 0 && num.negative !== 0) { num.negative = 0; r = this.isub(num); num.negative = 1; return r._normSign(); } // a.length > b.length var a, b; if (this.length > num.length) { a = this; b = num; } else { a = num; b = this; } var carry = 0; for (var i = 0; i < b.length; i++) { r = (a.words[i] | 0) + (b.words[i] | 0) + carry; this.words[i] = r & 0x3ffffff; carry = r >>> 26; } for (; carry !== 0 && i < a.length; i++) { r = (a.words[i] | 0) + carry; this.words[i] = r & 0x3ffffff; carry = r >>> 26; } this.length = a.length; if (carry !== 0) { this.words[this.length] = carry; this.length++; // Copy the rest of the words } else if (a !== this) { for (; i < a.length; i++) { this.words[i] = a.words[i]; } } return this; }; // Add `num` to `this` BN.prototype.add = function add (num) { var res; if (num.negative !== 0 && this.negative === 0) { num.negative = 0; res = this.sub(num); num.negative ^= 1; return res; } else if (num.negative === 0 && this.negative !== 0) { this.negative = 0; res = num.sub(this); this.negative = 1; return res; } if (this.length > num.length) return this.clone().iadd(num); return num.clone().iadd(this); }; // Subtract `num` from `this` in-place BN.prototype.isub = function isub (num) { // this - (-num) = this + num if (num.negative !== 0) { num.negative = 0; var r = this.iadd(num); num.negative = 1; return r._normSign(); // -this - num = -(this + num) } else if (this.negative !== 0) { this.negative = 0; this.iadd(num); this.negative = 1; return this._normSign(); } // At this point both numbers are positive var cmp = this.cmp(num); // Optimization - zeroify if (cmp === 0) { this.negative = 0; this.length = 1; this.words[0] = 0; return this; } // a > b var a, b; if (cmp > 0) { a = this; b = num; } else { a = num; b = this; } var carry = 0; for (var i = 0; i < b.length; i++) { r = (a.words[i] | 0) - (b.words[i] | 0) + carry; carry = r >> 26; this.words[i] = r & 0x3ffffff; } for (; carry !== 0 && i < a.length; i++) { r = (a.words[i] | 0) + carry; carry = r >> 26; this.words[i] = r & 0x3ffffff; } // Copy rest of the words if (carry === 0 && i < a.length && a !== this) { for (; i < a.length; i++) { this.words[i] = a.words[i]; } } this.length = Math.max(this.length, i); if (a !== this) { this.negative = 1; } return this.strip(); }; // Subtract `num` from `this` BN.prototype.sub = function sub (num) { return this.clone().isub(num); }; function smallMulTo (self, num, out) { out.negative = num.negative ^ self.negative; var len = (self.length + num.length) | 0; out.length = len; len = (len - 1) | 0; // Peel one iteration (compiler can't do it, because of code complexity) var a = self.words[0] | 0; var b = num.words[0] | 0; var r = a * b; var lo = r & 0x3ffffff; var carry = (r / 0x4000000) | 0; out.words[0] = lo; for (var k = 1; k < len; k++) { // Sum all words with the same `i + j = k` and accumulate `ncarry`, // note that ncarry could be >= 0x3ffffff var ncarry = carry >>> 26; var rword = carry & 0x3ffffff; var maxJ = Math.min(k, num.length - 1); for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { var i = (k - j) | 0; a = self.words[i] | 0; b = num.words[j] | 0; r = a * b + rword; ncarry += (r / 0x4000000) | 0; rword = r & 0x3ffffff; } out.words[k] = rword | 0; carry = ncarry | 0; } if (carry !== 0) { out.words[k] = carry | 0; } else { out.length--; } return out.strip(); } // TODO(indutny): it may be reasonable to omit it for users who don't need // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit // multiplication (like elliptic secp256k1). var comb10MulTo = function comb10MulTo (self, num, out) { var a = self.words; var b = num.words; var o = out.words; var c = 0; var lo; var mid; var hi; var a0 = a[0] | 0; var al0 = a0 & 0x1fff; var ah0 = a0 >>> 13; var a1 = a[1] | 0; var al1 = a1 & 0x1fff; var ah1 = a1 >>> 13; var a2 = a[2] | 0; var al2 = a2 & 0x1fff; var ah2 = a2 >>> 13; var a3 = a[3] | 0; var al3 = a3 & 0x1fff; var ah3 = a3 >>> 13; var a4 = a[4] | 0; var al4 = a4 & 0x1fff; var ah4 = a4 >>> 13; var a5 = a[5] | 0; var al5 = a5 & 0x1fff; var ah5 = a5 >>> 13; var a6 = a[6] | 0; var al6 = a6 & 0x1fff; var ah6 = a6 >>> 13; var a7 = a[7] | 0; var al7 = a7 & 0x1fff; var ah7 = a7 >>> 13; var a8 = a[8] | 0; var al8 = a8 & 0x1fff; var ah8 = a8 >>> 13; var a9 = a[9] | 0; var al9 = a9 & 0x1fff; var ah9 = a9 >>> 13; var b0 = b[0] | 0; var bl0 = b0 & 0x1fff; var bh0 = b0 >>> 13; var b1 = b[1] | 0; var bl1 = b1 & 0x1fff; var bh1 = b1 >>> 13; var b2 = b[2] | 0; var bl2 = b2 & 0x1fff; var bh2 = b2 >>> 13; var b3 = b[3] | 0; var bl3 = b3 & 0x1fff; var bh3 = b3 >>> 13; var b4 = b[4] | 0; var bl4 = b4 & 0x1fff; var bh4 = b4 >>> 13; var b5 = b[5] | 0; var bl5 = b5 & 0x1fff; var bh5 = b5 >>> 13; var b6 = b[6] | 0; var bl6 = b6 & 0x1fff; var bh6 = b6 >>> 13; var b7 = b[7] | 0; var bl7 = b7 & 0x1fff; var bh7 = b7 >>> 13; var b8 = b[8] | 0; var bl8 = b8 & 0x1fff; var bh8 = b8 >>> 13; var b9 = b[9] | 0; var bl9 = b9 & 0x1fff; var bh9 = b9 >>> 13; out.negative = self.negative ^ num.negative; out.length = 19; /* k = 0 */ lo = Math.imul(al0, bl0); mid = Math.imul(al0, bh0); mid = (mid + Math.imul(ah0, bl0)) | 0; hi = Math.imul(ah0, bh0); var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0; w0 &= 0x3ffffff; /* k = 1 */ lo = Math.imul(al1, bl0); mid = Math.imul(al1, bh0); mid = (mid + Math.imul(ah1, bl0)) | 0; hi = Math.imul(ah1, bh0); lo = (lo + Math.imul(al0, bl1)) | 0; mid = (mid + Math.imul(al0, bh1)) | 0; mid = (mid + Math.imul(ah0, bl1)) | 0; hi = (hi + Math.imul(ah0, bh1)) | 0; var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0; w1 &= 0x3ffffff; /* k = 2 */ lo = Math.imul(al2, bl0); mid = Math.imul(al2, bh0); mid = (mid + Math.imul(ah2, bl0)) | 0; hi = Math.imul(ah2, bh0); lo = (lo + Math.imul(al1, bl1)) | 0; mid = (mid + Math.imul(al1, bh1)) | 0; mid = (mid + Math.imul(ah1, bl1)) | 0; hi = (hi + Math.imul(ah1, bh1)) | 0; lo = (lo + Math.imul(al0, bl2)) | 0; mid = (mid + Math.imul(al0, bh2)) | 0; mid = (mid + Math.imul(ah0, bl2)) | 0; hi = (hi + Math.imul(ah0, bh2)) | 0; var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0; w2 &= 0x3ffffff; /* k = 3 */ lo = Math.imul(al3, bl0); mid = Math.imul(al3, bh0); mid = (mid + Math.imul(ah3, bl0)) | 0; hi = Math.imul(ah3, bh0); lo = (lo + Math.imul(al2, bl1)) | 0; mid = (mid + Math.imul(al2, bh1)) | 0; mid = (mid + Math.imul(ah2, bl1)) | 0; hi = (hi + Math.imul(ah2, bh1)) | 0; lo = (lo + Math.imul(al1, bl2)) | 0; mid = (mid + Math.imul(al1, bh2)) | 0; mid = (mid + Math.imul(ah1, bl2)) | 0; hi = (hi + Math.imul(ah1, bh2)) | 0; lo = (lo + Math.imul(al0, bl3)) | 0; mid = (mid + Math.imul(al0, bh3)) | 0; mid = (mid + Math.imul(ah0, bl3)) | 0; hi = (hi + Math.imul(ah0, bh3)) | 0; var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0; w3 &= 0x3ffffff; /* k = 4 */ lo = Math.imul(al4, bl0); mid = Math.imul(al4, bh0); mid = (mid + Math.imul(ah4, bl0)) | 0; hi = Math.imul(ah4, bh0); lo = (lo + Math.imul(al3, bl1)) | 0; mid = (mid + Math.imul(al3, bh1)) | 0; mid = (mid + Math.imul(ah3, bl1)) | 0; hi = (hi + Math.imul(ah3, bh1)) | 0; lo = (lo + Math.imul(al2, bl2)) | 0; mid = (mid + Math.imul(al2, bh2)) | 0; mid = (mid + Math.imul(ah2, bl2)) | 0; hi = (hi + Math.imul(ah2, bh2)) | 0; lo = (lo + Math.imul(al1, bl3)) | 0; mid = (mid + Math.imul(al1, bh3)) | 0; mid = (mid + Math.imul(ah1, bl3)) | 0; hi = (hi + Math.imul(ah1, bh3)) | 0; lo = (lo + Math.imul(al0, bl4)) | 0; mid = (mid + Math.imul(al0, bh4)) | 0; mid = (mid + Math.imul(ah0, bl4)) | 0; hi = (hi + Math.imul(ah0, bh4)) | 0; var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0; w4 &= 0x3ffffff; /* k = 5 */ lo = Math.imul(al5, bl0); mid = Math.imul(al5, bh0); mid = (mid + Math.imul(ah5, bl0)) | 0; hi = Math.imul(ah5, bh0); lo = (lo + Math.imul(al4, bl1)) | 0; mid = (mid + Math.imul(al4, bh1)) | 0; mid = (mid + Math.imul(ah4, bl1)) | 0; hi = (hi + Math.imul(ah4, bh1)) | 0; lo = (lo + Math.imul(al3, bl2)) | 0; mid = (mid + Math.imul(al3, bh2)) | 0; mid = (mid + Math.imul(ah3, bl2)) | 0; hi = (hi + Math.imul(ah3, bh2)) | 0; lo = (lo + Math.imul(al2, bl3)) | 0; mid = (mid + Math.imul(al2, bh3)) | 0; mid = (mid + Math.imul(ah2, bl3)) | 0; hi = (hi + Math.imul(ah2, bh3)) | 0; lo = (lo + Math.imul(al1, bl4)) | 0; mid = (mid + Math.imul(al1, bh4)) | 0; mid = (mid + Math.imul(ah1, bl4)) | 0; hi = (hi + Math.imul(ah1, bh4)) | 0; lo = (lo + Math.imul(al0, bl5)) | 0; mid = (mid + Math.imul(al0, bh5)) | 0; mid = (mid + Math.imul(ah0, bl5)) | 0; hi = (hi + Math.imul(ah0, bh5)) | 0; var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0; w5 &= 0x3ffffff; /* k = 6 */ lo = Math.imul(al6, bl0); mid = Math.imul(al6, bh0); mid = (mid + Math.imul(ah6, bl0)) | 0; hi = Math.imul(ah6, bh0); lo = (lo + Math.imul(al5, bl1)) | 0; mid = (mid + Math.imul(al5, bh1)) | 0; mid = (mid + Math.imul(ah5, bl1)) | 0; hi = (hi + Math.imul(ah5, bh1)) | 0; lo = (lo + Math.imul(al4, bl2)) | 0; mid = (mid + Math.imul(al4, bh2)) | 0; mid = (mid + Math.imul(ah4, bl2)) | 0; hi = (hi + Math.imul(ah4, bh2)) | 0; lo = (lo + Math.imul(al3, bl3)) | 0; mid = (mid + Math.imul(al3, bh3)) | 0; mid = (mid + Math.imul(ah3, bl3)) | 0; hi = (hi + Math.imul(ah3, bh3)) | 0; lo = (lo + Math.imul(al2, bl4)) | 0; mid = (mid + Math.imul(al2, bh4)) | 0; mid = (mid + Math.imul(ah2, bl4)) | 0; hi = (hi + Math.imul(ah2, bh4)) | 0; lo = (lo + Math.imul(al1, bl5)) | 0; mid = (mid + Math.imul(al1, bh5)) | 0; mid = (mid + Math.imul(ah1, bl5)) | 0; hi = (hi + Math.imul(ah1, bh5)) | 0; lo = (lo + Math.imul(al0, bl6)) | 0; mid = (mid + Math.imul(al0, bh6)) | 0; mid = (mid + Math.imul(ah0, bl6)) | 0; hi = (hi + Math.imul(ah0, bh6)) | 0; var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0; w6 &= 0x3ffffff; /* k = 7 */ lo = Math.imul(al7, bl0); mid = Math.imul(al7, bh0); mid = (mid + Math.imul(ah7, bl0)) | 0; hi = Math.imul(ah7, bh0); lo = (lo + Math.imul(al6, bl1)) | 0; mid = (mid + Math.imul(al6, bh1)) | 0; mid = (mid + Math.imul(ah6, bl1)) | 0; hi = (hi + Math.imul(ah6, bh1)) | 0; lo = (lo + Math.imul(al5, bl2)) | 0; mid = (mid + Math.imul(al5, bh2)) | 0; mid = (mid + Math.imul(ah5, bl2)) | 0; hi = (hi + Math.imul(ah5, bh2)) | 0; lo = (lo + Math.imul(al4, bl3)) | 0; mid = (mid + Math.imul(al4, bh3)) | 0; mid = (mid + Math.imul(ah4, bl3)) | 0; hi = (hi + Math.imul(ah4, bh3)) | 0; lo = (lo + Math.imul(al3, bl4)) | 0; mid = (mid + Math.imul(al3, bh4)) | 0; mid = (mid + Math.imul(ah3, bl4)) | 0; hi = (hi + Math.imul(ah3, bh4)) | 0; lo = (lo + Math.imul(al2, bl5)) | 0; mid = (mid + Math.imul(al2, bh5)) | 0; mid = (mid + Math.imul(ah2, bl5)) | 0; hi = (hi + Math.imul(ah2, bh5)) | 0; lo = (lo + Math.imul(al1, bl6)) | 0; mid = (mid + Math.imul(al1, bh6)) | 0; mid = (mid + Math.imul(ah1, bl6)) | 0; hi = (hi + Math.imul(ah1, bh6)) | 0; lo = (lo + Math.imul(al0, bl7)) | 0; mid = (mid + Math.imul(al0, bh7)) | 0; mid = (mid + Math.imul(ah0, bl7)) | 0; hi = (hi + Math.imul(ah0, bh7)) | 0; var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0; w7 &= 0x3ffffff; /* k = 8 */ lo = Math.imul(al8, bl0); mid = Math.imul(al8, bh0); mid = (mid + Math.imul(ah8, bl0)) | 0; hi = Math.imul(ah8, bh0); lo = (lo + Math.imul(al7, bl1)) | 0; mid = (mid + Math.imul(al7, bh1)) | 0; mid = (mid + Math.imul(ah7, bl1)) | 0; hi = (hi + Math.imul(ah7, bh1)) | 0; lo = (lo + Math.imul(al6, bl2)) | 0; mid = (mid + Math.imul(al6, bh2)) | 0; mid = (mid + Math.imul(ah6, bl2)) | 0; hi = (hi + Math.imul(ah6, bh2)) | 0; lo = (lo + Math.imul(al5, bl3)) | 0; mid = (mid + Math.imul(al5, bh3)) | 0; mid = (mid + Math.imul(ah5, bl3)) | 0; hi = (hi + Math.imul(ah5, bh3)) | 0; lo = (lo + Math.imul(al4, bl4)) | 0; mid = (mid + Math.imul(al4, bh4)) | 0; mid = (mid + Math.imul(ah4, bl4)) | 0; hi = (hi + Math.imul(ah4, bh4)) | 0; lo = (lo + Math.imul(al3, bl5)) | 0; mid = (mid + Math.imul(al3, bh5)) | 0; mid = (mid + Math.imul(ah3, bl5)) | 0; hi = (hi + Math.imul(ah3, bh5)) | 0; lo = (lo + Math.imul(al2, bl6)) | 0; mid = (mid + Math.imul(al2, bh6)) | 0; mid = (mid + Math.imul(ah2, bl6)) | 0; hi = (hi + Math.imul(ah2, bh6)) | 0; lo = (lo + Math.imul(al1, bl7)) | 0; mid = (mid + Math.imul(al1, bh7)) | 0; mid = (mid + Math.imul(ah1, bl7)) | 0; hi = (hi + Math.imul(ah1, bh7)) | 0; lo = (lo + Math.imul(al0, bl8)) | 0; mid = (mid + Math.imul(al0, bh8)) | 0; mid = (mid + Math.imul(ah0, bl8)) | 0; hi = (hi + Math.imul(ah0, bh8)) | 0; var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0; w8 &= 0x3ffffff; /* k = 9 */ lo = Math.imul(al9, bl0); mid = Math.imul(al9, bh0); mid = (mid + Math.imul(ah9, bl0)) | 0; hi = Math.imul(ah9, bh0); lo = (lo + Math.imul(al8, bl1)) | 0; mid = (mid + Math.imul(al8, bh1)) | 0; mid = (mid + Math.imul(ah8, bl1)) | 0; hi = (hi + Math.imul(ah8, bh1)) | 0; lo = (lo + Math.imul(al7, bl2)) | 0; mid = (mid + Math.imul(al7, bh2)) | 0; mid = (mid + Math.imul(ah7, bl2)) | 0; hi = (hi + Math.imul(ah7, bh2)) | 0; lo = (lo + Math.imul(al6, bl3)) | 0; mid = (mid + Math.imul(al6, bh3)) | 0; mid = (mid + Math.imul(ah6, bl3)) | 0; hi = (hi + Math.imul(ah6, bh3)) | 0; lo = (lo + Math.imul(al5, bl4)) | 0; mid = (mid + Math.imul(al5, bh4)) | 0; mid = (mid + Math.imul(ah5, bl4)) | 0; hi = (hi + Math.imul(ah5, bh4)) | 0; lo = (lo + Math.imul(al4, bl5)) | 0; mid = (mid + Math.imul(al4, bh5)) | 0; mid = (mid + Math.imul(ah4, bl5)) | 0; hi = (hi + Math.imul(ah4, bh5)) | 0; lo = (lo + Math.imul(al3, bl6)) | 0; mid = (mid + Math.imul(al3, bh6)) | 0; mid = (mid + Math.imul(ah3, bl6)) | 0; hi = (hi + Math.imul(ah3, bh6)) | 0; lo = (lo + Math.imul(al2, bl7)) | 0; mid = (mid + Math.imul(al2, bh7)) | 0; mid = (mid + Math.imul(ah2, bl7)) | 0; hi = (hi + Math.imul(ah2, bh7)) | 0; lo = (lo + Math.imul(al1, bl8)) | 0; mid = (mid + Math.imul(al1, bh8)) | 0; mid = (mid + Math.imul(ah1, bl8)) | 0; hi = (hi + Math.imul(ah1, bh8)) | 0; lo = (lo + Math.imul(al0, bl9)) | 0; mid = (mid + Math.imul(al0, bh9)) | 0; mid = (mid + Math.imul(ah0, bl9)) | 0; hi = (hi + Math.imul(ah0, bh9)) | 0; var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0; w9 &= 0x3ffffff; /* k = 10 */ lo = Math.imul(al9, bl1); mid = Math.imul(al9, bh1); mid = (mid + Math.imul(ah9, bl1)) | 0; hi = Math.imul(ah9, bh1); lo = (lo + Math.imul(al8, bl2)) | 0; mid = (mid + Math.imul(al8, bh2)) | 0; mid = (mid + Math.imul(ah8, bl2)) | 0; hi = (hi + Math.imul(ah8, bh2)) | 0; lo = (lo + Math.imul(al7, bl3)) | 0; mid = (mid + Math.imul(al7, bh3)) | 0; mid = (mid + Math.imul(ah7, bl3)) | 0; hi = (hi + Math.imul(ah7, bh3)) | 0; lo = (lo + Math.imul(al6, bl4)) | 0; mid = (mid + Math.imul(al6, bh4)) | 0; mid = (mid + Math.imul(ah6, bl4)) | 0; hi = (hi + Math.imul(ah6, bh4)) | 0; lo = (lo + Math.imul(al5, bl5)) | 0; mid = (mid + Math.imul(al5, bh5)) | 0; mid = (mid + Math.imul(ah5, bl5)) | 0; hi = (hi + Math.imul(ah5, bh5)) | 0; lo = (lo + Math.imul(al4, bl6)) | 0; mid = (mid + Math.imul(al4, bh6)) | 0; mid = (mid + Math.imul(ah4, bl6)) | 0; hi = (hi + Math.imul(ah4, bh6)) | 0; lo = (lo + Math.imul(al3, bl7)) | 0; mid = (mid + Math.imul(al3, bh7)) | 0; mid = (mid + Math.imul(ah3, bl7)) | 0; hi = (hi + Math.imul(ah3, bh7)) | 0; lo = (lo + Math.imul(al2, bl8)) | 0; mid = (mid + Math.imul(al2, bh8)) | 0; mid = (mid + Math.imul(ah2, bl8)) | 0; hi = (hi + Math.imul(ah2, bh8)) | 0; lo = (lo + Math.imul(al1, bl9)) | 0; mid = (mid + Math.imul(al1, bh9)) | 0; mid = (mid + Math.imul(ah1, bl9)) | 0; hi = (hi + Math.imul(ah1, bh9)) | 0; var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0; w10 &= 0x3ffffff; /* k = 11 */ lo = Math.imul(al9, bl2); mid = Math.imul(al9, bh2); mid = (mid + Math.imul(ah9, bl2)) | 0; hi = Math.imul(ah9, bh2); lo = (lo + Math.imul(al8, bl3)) | 0; mid = (mid + Math.imul(al8, bh3)) | 0; mid = (mid + Math.imul(ah8, bl3)) | 0; hi = (hi + Math.imul(ah8, bh3)) | 0; lo = (lo + Math.imul(al7, bl4)) | 0; mid = (mid + Math.imul(al7, bh4)) | 0; mid = (mid + Math.imul(ah7, bl4)) | 0; hi = (hi + Math.imul(ah7, bh4)) | 0; lo = (lo + Math.imul(al6, bl5)) | 0; mid = (mid + Math.imul(al6, bh5)) | 0; mid = (mid + Math.imul(ah6, bl5)) | 0; hi = (hi + Math.imul(ah6, bh5)) | 0; lo = (lo + Math.imul(al5, bl6)) | 0; mid = (mid + Math.imul(al5, bh6)) | 0; mid = (mid + Math.imul(ah5, bl6)) | 0; hi = (hi + Math.imul(ah5, bh6)) | 0; lo = (lo + Math.imul(al4, bl7)) | 0; mid = (mid + Math.imul(al4, bh7)) | 0; mid = (mid + Math.imul(ah4, bl7)) | 0; hi = (hi + Math.imul(ah4, bh7)) | 0; lo = (lo + Math.imul(al3, bl8)) | 0; mid = (mid + Math.imul(al3, bh8)) | 0; mid = (mid + Math.imul(ah3, bl8)) | 0; hi = (hi + Math.imul(ah3, bh8)) | 0; lo = (lo + Math.imul(al2, bl9)) | 0; mid = (mid + Math.imul(al2, bh9)) | 0; mid = (mid + Math.imul(ah2, bl9)) | 0; hi = (hi + Math.imul(ah2, bh9)) | 0; var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0; w11 &= 0x3ffffff; /* k = 12 */ lo = Math.imul(al9, bl3); mid = Math.imul(al9, bh3); mid = (mid + Math.imul(ah9, bl3)) | 0; hi = Math.imul(ah9, bh3); lo = (lo + Math.imul(al8, bl4)) | 0; mid = (mid + Math.imul(al8, bh4)) | 0; mid = (mid + Math.imul(ah8, bl4)) | 0; hi = (hi + Math.imul(ah8, bh4)) | 0; lo = (lo + Math.imul(al7, bl5)) | 0; mid = (mid + Math.imul(al7, bh5)) | 0; mid = (mid + Math.imul(ah7, bl5)) | 0; hi = (hi + Math.imul(ah7, bh5)) | 0; lo = (lo + Math.imul(al6, bl6)) | 0; mid = (mid + Math.imul(al6, bh6)) | 0; mid = (mid + Math.imul(ah6, bl6)) | 0; hi = (hi + Math.imul(ah6, bh6)) | 0; lo = (lo + Math.imul(al5, bl7)) | 0; mid = (mid + Math.imul(al5, bh7)) | 0; mid = (mid + Math.imul(ah5, bl7)) | 0; hi = (hi + Math.imul(ah5, bh7)) | 0; lo = (lo + Math.imul(al4, bl8)) | 0; mid = (mid + Math.imul(al4, bh8)) | 0; mid = (mid + Math.imul(ah4, bl8)) | 0; hi = (hi + Math.imul(ah4, bh8)) | 0; lo = (lo + Math.imul(al3, bl9)) | 0; mid = (mid + Math.imul(al3, bh9)) | 0; mid = (mid + Math.imul(ah3, bl9)) | 0; hi = (hi + Math.imul(ah3, bh9)) | 0; var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0; w12 &= 0x3ffffff; /* k = 13 */ lo = Math.imul(al9, bl4); mid = Math.imul(al9, bh4); mid = (mid + Math.imul(ah9, bl4)) | 0; hi = Math.imul(ah9, bh4); lo = (lo + Math.imul(al8, bl5)) | 0; mid = (mid + Math.imul(al8, bh5)) | 0; mid = (mid + Math.imul(ah8, bl5)) | 0; hi = (hi + Math.imul(ah8, bh5)) | 0; lo = (lo + Math.imul(al7, bl6)) | 0; mid = (mid + Math.imul(al7, bh6)) | 0; mid = (mid + Math.imul(ah7, bl6)) | 0; hi = (hi + Math.imul(ah7, bh6)) | 0; lo = (lo + Math.imul(al6, bl7)) | 0; mid = (mid + Math.imul(al6, bh7)) | 0; mid = (mid + Math.imul(ah6, bl7)) | 0; hi = (hi + Math.imul(ah6, bh7)) | 0; lo = (lo + Math.imul(al5, bl8)) | 0; mid = (mid + Math.imul(al5, bh8)) | 0; mid = (mid + Math.imul(ah5, bl8)) | 0; hi = (hi + Math.imul(ah5, bh8)) | 0; lo = (lo + Math.imul(al4, bl9)) | 0; mid = (mid + Math.imul(al4, bh9)) | 0; mid = (mid + Math.imul(ah4, bl9)) | 0; hi = (hi + Math.imul(ah4, bh9)) | 0; var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0; w13 &= 0x3ffffff; /* k = 14 */ lo = Math.imul(al9, bl5); mid = Math.imul(al9, bh5); mid = (mid + Math.imul(ah9, bl5)) | 0; hi = Math.imul(ah9, bh5); lo = (lo + Math.imul(al8, bl6)) | 0; mid = (mid + Math.imul(al8, bh6)) | 0; mid = (mid + Math.imul(ah8, bl6)) | 0; hi = (hi + Math.imul(ah8, bh6)) | 0; lo = (lo + Math.imul(al7, bl7)) | 0; mid = (mid + Math.imul(al7, bh7)) | 0; mid = (mid + Math.imul(ah7, bl7)) | 0; hi = (hi + Math.imul(ah7, bh7)) | 0; lo = (lo + Math.imul(al6, bl8)) | 0; mid = (mid + Math.imul(al6, bh8)) | 0; mid = (mid + Math.imul(ah6, bl8)) | 0; hi = (hi + Math.imul(ah6, bh8)) | 0; lo = (lo + Math.imul(al5, bl9)) | 0; mid = (mid + Math.imul(al5, bh9)) | 0; mid = (mid + Math.imul(ah5, bl9)) | 0; hi = (hi + Math.imul(ah5, bh9)) | 0; var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0; w14 &= 0x3ffffff; /* k = 15 */ lo = Math.imul(al9, bl6); mid = Math.imul(al9, bh6); mid = (mid + Math.imul(ah9, bl6)) | 0; hi = Math.imul(ah9, bh6); lo = (lo + Math.imul(al8, bl7)) | 0; mid = (mid + Math.imul(al8, bh7)) | 0; mid = (mid + Math.imul(ah8, bl7)) | 0; hi = (hi + Math.imul(ah8, bh7)) | 0; lo = (lo + Math.imul(al7, bl8)) | 0; mid = (mid + Math.imul(al7, bh8)) | 0; mid = (mid + Math.imul(ah7, bl8)) | 0; hi = (hi + Math.imul(ah7, bh8)) | 0; lo = (lo + Math.imul(al6, bl9)) | 0; mid = (mid + Math.imul(al6, bh9)) | 0; mid = (mid + Math.imul(ah6, bl9)) | 0; hi = (hi + Math.imul(ah6, bh9)) | 0; var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0; w15 &= 0x3ffffff; /* k = 16 */ lo = Math.imul(al9, bl7); mid = Math.imul(al9, bh7); mid = (mid + Math.imul(ah9, bl7)) | 0; hi = Math.imul(ah9, bh7); lo = (lo + Math.imul(al8, bl8)) | 0; mid = (mid + Math.imul(al8, bh8)) | 0; mid = (mid + Math.imul(ah8, bl8)) | 0; hi = (hi + Math.imul(ah8, bh8)) | 0; lo = (lo + Math.imul(al7, bl9)) | 0; mid = (mid + Math.imul(al7, bh9)) | 0; mid = (mid + Math.imul(ah7, bl9)) | 0; hi = (hi + Math.imul(ah7, bh9)) | 0; var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0; w16 &= 0x3ffffff; /* k = 17 */ lo = Math.imul(al9, bl8); mid = Math.imul(al9, bh8); mid = (mid + Math.imul(ah9, bl8)) | 0; hi = Math.imul(ah9, bh8); lo = (lo + Math.imul(al8, bl9)) | 0; mid = (mid + Math.imul(al8, bh9)) | 0; mid = (mid + Math.imul(ah8, bl9)) | 0; hi = (hi + Math.imul(ah8, bh9)) | 0; var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0; w17 &= 0x3ffffff; /* k = 18 */ lo = Math.imul(al9, bl9); mid = Math.imul(al9, bh9); mid = (mid + Math.imul(ah9, bl9)) | 0; hi = Math.imul(ah9, bh9); var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0; w18 &= 0x3ffffff; o[0] = w0; o[1] = w1; o[2] = w2; o[3] = w3; o[4] = w4; o[5] = w5; o[6] = w6; o[7] = w7; o[8] = w8; o[9] = w9; o[10] = w10; o[11] = w11; o[12] = w12; o[13] = w13; o[14] = w14; o[15] = w15; o[16] = w16; o[17] = w17; o[18] = w18; if (c !== 0) { o[19] = c; out.length++; } return out; }; // Polyfill comb if (!Math.imul) { comb10MulTo = smallMulTo; } function bigMulTo (self, num, out) { out.negative = num.negative ^ self.negative; out.length = self.length + num.length; var carry = 0; var hncarry = 0; for (var k = 0; k < out.length - 1; k++) { // Sum all words with the same `i + j = k` and accumulate `ncarry`, // note that ncarry could be >= 0x3ffffff var ncarry = hncarry; hncarry = 0; var rword = carry & 0x3ffffff; var maxJ = Math.min(k, num.length - 1); for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { var i = k - j; var a = self.words[i] | 0; var b = num.words[j] | 0; var r = a * b; var lo = r & 0x3ffffff; ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0; lo = (lo + rword) | 0; rword = lo & 0x3ffffff; ncarry = (ncarry + (lo >>> 26)) | 0; hncarry += ncarry >>> 26; ncarry &= 0x3ffffff; } out.words[k] = rword; carry = ncarry; ncarry = hncarry; } if (carry !== 0) { out.words[k] = carry; } else { out.length--; } return out.strip(); } function jumboMulTo (self, num, out) { var fftm = new FFTM(); return fftm.mulp(self, num, out); } BN.prototype.mulTo = function mulTo (num, out) { var res; var len = this.length + num.length; if (this.length === 10 && num.length === 10) { res = comb10MulTo(this, num, out); } else if (len < 63) { res = smallMulTo(this, num, out); } else if (len < 1024) { res = bigMulTo(this, num, out); } else { res = jumboMulTo(this, num, out); } return res; }; // Cooley-Tukey algorithm for FFT // slightly revisited to rely on looping instead of recursion function FFTM (x, y) { this.x = x; this.y = y; } FFTM.prototype.makeRBT = function makeRBT (N) { var t = new Array(N); var l = BN.prototype._countBits(N) - 1; for (var i = 0; i < N; i++) { t[i] = this.revBin(i, l, N); } return t; }; // Returns binary-reversed representation of `x` FFTM.prototype.revBin = function revBin (x, l, N) { if (x === 0 || x === N - 1) return x; var rb = 0; for (var i = 0; i < l; i++) { rb |= (x & 1) << (l - i - 1); x >>= 1; } return rb; }; // Performs "tweedling" phase, therefore 'emulating' // behaviour of the recursive algorithm FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) { for (var i = 0; i < N; i++) { rtws[i] = rws[rbt[i]]; itws[i] = iws[rbt[i]]; } }; FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) { this.permute(rbt, rws, iws, rtws, itws, N); for (var s = 1; s < N; s <<= 1) { var l = s << 1; var rtwdf = Math.cos(2 * Math.PI / l); var itwdf = Math.sin(2 * Math.PI / l); for (var p = 0; p < N; p += l) { var rtwdf_ = rtwdf; var itwdf_ = itwdf; for (var j = 0; j < s; j++) { var re = rtws[p + j]; var ie = itws[p + j]; var ro = rtws[p + j + s]; var io = itws[p + j + s]; var rx = rtwdf_ * ro - itwdf_ * io; io = rtwdf_ * io + itwdf_ * ro; ro = rx; rtws[p + j] = re + ro; itws[p + j] = ie + io; rtws[p + j + s] = re - ro; itws[p + j + s] = ie - io; /* jshint maxdepth : false */ if (j !== l) { rx = rtwdf * rtwdf_ - itwdf * itwdf_; itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_; rtwdf_ = rx; } } } } }; FFTM.prototype.guessLen13b = function guessLen13b (n, m) { var N = Math.max(m, n) | 1; var odd = N & 1; var i = 0; for (N = N / 2 | 0; N; N = N >>> 1) { i++; } return 1 << i + 1 + odd; }; FFTM.prototype.conjugate = function conjugate (rws, iws, N) { if (N <= 1) return; for (var i = 0; i < N / 2; i++) { var t = rws[i]; rws[i] = rws[N - i - 1]; rws[N - i - 1] = t; t = iws[i]; iws[i] = -iws[N - i - 1]; iws[N - i - 1] = -t; } }; FFTM.prototype.normalize13b = function normalize13b (ws, N) { var carry = 0; for (var i = 0; i < N / 2; i++) { var w = Math.round(ws[2 * i + 1] / N) * 0x2000 + Math.round(ws[2 * i] / N) + carry; ws[i] = w & 0x3ffffff; if (w < 0x4000000) { carry = 0; } else { carry = w / 0x4000000 | 0; } } return ws; }; FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) { var carry = 0; for (var i = 0; i < len; i++) { carry = carry + (ws[i] | 0); rws[2 * i] = carry & 0x1fff; carry = carry >>> 13; rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13; } // Pad with zeroes for (i = 2 * len; i < N; ++i) { rws[i] = 0; } assert(carry === 0); assert((carry & ~0x1fff) === 0); }; FFTM.prototype.stub = function stub (N) { var ph = new Array(N); for (var i = 0; i < N; i++) { ph[i] = 0; } return ph; }; FFTM.prototype.mulp = function mulp (x, y, out) { var N = 2 * this.guessLen13b(x.length, y.length); var rbt = this.makeRBT(N); var _ = this.stub(N); var rws = new Array(N); var rwst = new Array(N); var iwst = new Array(N); var nrws = new Array(N); var nrwst = new Array(N); var niwst = new Array(N); var rmws = out.words; rmws.length = N; this.convert13b(x.words, x.length, rws, N); this.convert13b(y.words, y.length, nrws, N); this.transform(rws, _, rwst, iwst, N, rbt); this.transform(nrws, _, nrwst, niwst, N, rbt); for (var i = 0; i < N; i++) { var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i]; iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i]; rwst[i] = rx; } this.conjugate(rwst, iwst, N); this.transform(rwst, iwst, rmws, _, N, rbt); this.conjugate(rmws, _, N); this.normalize13b(rmws, N); out.negative = x.negative ^ y.negative; out.length = x.length + y.length; return out.strip(); }; // Multiply `this` by `num` BN.prototype.mul = function mul (num) { var out = new BN(null); out.words = new Array(this.length + num.length); return this.mulTo(num, out); }; // Multiply employing FFT BN.prototype.mulf = function mulf (num) { var out = new BN(null); out.words = new Array(this.length + num.length); return jumboMulTo(this, num, out); }; // In-place Multiplication BN.prototype.imul = function imul (num) { return this.clone().mulTo(num, this); }; BN.prototype.imuln = function imuln (num) { assert(typeof num === 'number'); assert(num < 0x4000000); // Carry var carry = 0; for (var i = 0; i < this.length; i++) { var w = (this.words[i] | 0) * num; var lo = (w & 0x3ffffff) + (carry & 0x3ffffff); carry >>= 26; carry += (w / 0x4000000) | 0; // NOTE: lo is 27bit maximum carry += lo >>> 26; this.words[i] = lo & 0x3ffffff; } if (carry !== 0) { this.words[i] = carry; this.length++; } return this; }; BN.prototype.muln = function muln (num) { return this.clone().imuln(num); }; // `this` * `this` BN.prototype.sqr = function sqr () { return this.mul(this); }; // `this` * `this` in-place BN.prototype.isqr = function isqr () { return this.imul(this.clone()); }; // Math.pow(`this`, `num`) BN.prototype.pow = function pow (num) { var w = toBitArray(num); if (w.length === 0) return new BN(1); // Skip leading zeroes var res = this; for (var i = 0; i < w.length; i++, res = res.sqr()) { if (w[i] !== 0) break; } if (++i < w.length) { for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) { if (w[i] === 0) continue; res = res.mul(q); } } return res; }; // Shift-left in-place BN.prototype.iushln = function iushln (bits) { assert(typeof bits === 'number' && bits >= 0); var r = bits % 26; var s = (bits - r) / 26; var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r); var i; if (r !== 0) { var carry = 0; for (i = 0; i < this.length; i++) { var newCarry = this.words[i] & carryMask; var c = ((this.words[i] | 0) - newCarry) << r; this.words[i] = c | carry; carry = newCarry >>> (26 - r); } if (carry) { this.words[i] = carry; this.length++; } } if (s !== 0) { for (i = this.length - 1; i >= 0; i--) { this.words[i + s] = this.words[i]; } for (i = 0; i < s; i++) { this.words[i] = 0; } this.length += s; } return this.strip(); }; BN.prototype.ishln = function ishln (bits) { // TODO(indutny): implement me assert(this.negative === 0); return this.iushln(bits); }; // Shift-right in-place // NOTE: `hint` is a lowest bit before trailing zeroes // NOTE: if `extended` is present - it will be filled with destroyed bits BN.prototype.iushrn = function iushrn (bits, hint, extended) { assert(typeof bits === 'number' && bits >= 0); var h; if (hint) { h = (hint - (hint % 26)) / 26; } else { h = 0; } var r = bits % 26; var s = Math.min((bits - r) / 26, this.length); var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); var maskedWords = extended; h -= s; h = Math.max(0, h); // Extended mode, copy masked part if (maskedWords) { for (var i = 0; i < s; i++) { maskedWords.words[i] = this.words[i]; } maskedWords.length = s; } if (s === 0) { // No-op, we should not move anything at all } else if (this.length > s) { this.length -= s; for (i = 0; i < this.length; i++) { this.words[i] = this.words[i + s]; } } else { this.words[0] = 0; this.length = 1; } var carry = 0; for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) { var word = this.words[i] | 0; this.words[i] = (carry << (26 - r)) | (word >>> r); carry = word & mask; } // Push carried bits as a mask if (maskedWords && carry !== 0) { maskedWords.words[maskedWords.length++] = carry; } if (this.length === 0) { this.words[0] = 0; this.length = 1; } return this.strip(); }; BN.prototype.ishrn = function ishrn (bits, hint, extended) { // TODO(indutny): implement me assert(this.negative === 0); return this.iushrn(bits, hint, extended); }; // Shift-left BN.prototype.shln = function shln (bits) { return this.clone().ishln(bits); }; BN.prototype.ushln = function ushln (bits) { return this.clone().iushln(bits); }; // Shift-right BN.prototype.shrn = function shrn (bits) { return this.clone().ishrn(bits); }; BN.prototype.ushrn = function ushrn (bits) { return this.clone().iushrn(bits); }; // Test if n bit is set BN.prototype.testn = function testn (bit) { assert(typeof bit === 'number' && bit >= 0); var r = bit % 26; var s = (bit - r) / 26; var q = 1 << r; // Fast case: bit is much higher than all existing words if (this.length <= s) return false; // Check bit and return var w = this.words[s]; return !!(w & q); }; // Return only lowers bits of number (in-place) BN.prototype.imaskn = function imaskn (bits) { assert(typeof bits === 'number' && bits >= 0); var r = bits % 26; var s = (bits - r) / 26; assert(this.negative === 0, 'imaskn works only with positive numbers'); if (this.length <= s) { return this; } if (r !== 0) { s++; } this.length = Math.min(s, this.length); if (r !== 0) { var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); this.words[this.length - 1] &= mask; } return this.strip(); }; // Return only lowers bits of number BN.prototype.maskn = function maskn (bits) { return this.clone().imaskn(bits); }; // Add plain number `num` to `this` BN.prototype.iaddn = function iaddn (num) { assert(typeof num === 'number'); assert(num < 0x4000000); if (num < 0) return this.isubn(-num); // Possible sign change if (this.negative !== 0) { if (this.length === 1 && (this.words[0] | 0) < num) { this.words[0] = num - (this.words[0] | 0); this.negative = 0; return this; } this.negative = 0; this.isubn(num); this.negative = 1; return this; } // Add without checks return this._iaddn(num); }; BN.prototype._iaddn = function _iaddn (num) { this.words[0] += num; // Carry for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) { this.words[i] -= 0x4000000; if (i === this.length - 1) { this.words[i + 1] = 1; } else { this.words[i + 1]++; } } this.length = Math.max(this.length, i + 1); return this; }; // Subtract plain number `num` from `this` BN.prototype.isubn = function isubn (num) { assert(typeof num === 'number'); assert(num < 0x4000000); if (num < 0) return this.iaddn(-num); if (this.negative !== 0) { this.negative = 0; this.iaddn(num); this.negative = 1; return this; } this.words[0] -= num; if (this.length === 1 && this.words[0] < 0) { this.words[0] = -this.words[0]; this.negative = 1; } else { // Carry for (var i = 0; i < this.length && this.words[i] < 0; i++) { this.words[i] += 0x4000000; this.words[i + 1] -= 1; } } return this.strip(); }; BN.prototype.addn = function addn (num) { return this.clone().iaddn(num); }; BN.prototype.subn = function subn (num) { return this.clone().isubn(num); }; BN.prototype.iabs = function iabs () { this.negative = 0; return this; }; BN.prototype.abs = function abs () { return this.clone().iabs(); }; BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) { var len = num.length + shift; var i; this._expand(len); var w; var carry = 0; for (i = 0; i < num.length; i++) { w = (this.words[i + shift] | 0) + carry; var right = (num.words[i] | 0) * mul; w -= right & 0x3ffffff; carry = (w >> 26) - ((right / 0x4000000) | 0); this.words[i + shift] = w & 0x3ffffff; } for (; i < this.length - shift; i++) { w = (this.words[i + shift] | 0) + carry; carry = w >> 26; this.words[i + shift] = w & 0x3ffffff; } if (carry === 0) return this.strip(); // Subtraction overflow assert(carry === -1); carry = 0; for (i = 0; i < this.length; i++) { w = -(this.words[i] | 0) + carry; carry = w >> 26; this.words[i] = w & 0x3ffffff; } this.negative = 1; return this.strip(); }; BN.prototype._wordDiv = function _wordDiv (num, mode) { var shift = this.length - num.length; var a = this.clone(); var b = num; // Normalize var bhi = b.words[b.length - 1] | 0; var bhiBits = this._countBits(bhi); shift = 26 - bhiBits; if (shift !== 0) { b = b.ushln(shift); a.iushln(shift); bhi = b.words[b.length - 1] | 0; } // Initialize quotient var m = a.length - b.length; var q; if (mode !== 'mod') { q = new BN(null); q.length = m + 1; q.words = new Array(q.length); for (var i = 0; i < q.length; i++) { q.words[i] = 0; } } var diff = a.clone()._ishlnsubmul(b, 1, m); if (diff.negative === 0) { a = diff; if (q) { q.words[m] = 1; } } for (var j = m - 1; j >= 0; j--) { var qj = (a.words[b.length + j] | 0) * 0x4000000 + (a.words[b.length + j - 1] | 0); // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max // (0x7ffffff) qj = Math.min((qj / bhi) | 0, 0x3ffffff); a._ishlnsubmul(b, qj, j); while (a.negative !== 0) { qj--; a.negative = 0; a._ishlnsubmul(b, 1, j); if (!a.isZero()) { a.negative ^= 1; } } if (q) { q.words[j] = qj; } } if (q) { q.strip(); } a.strip(); // Denormalize if (mode !== 'div' && shift !== 0) { a.iushrn(shift); } return { div: q || null, mod: a }; }; // NOTE: 1) `mode` can be set to `mod` to request mod only, // to `div` to request div only, or be absent to // request both div & mod // 2) `positive` is true if unsigned mod is requested BN.prototype.divmod = function divmod (num, mode, positive) { assert(!num.isZero()); if (this.isZero()) { return { div: new BN(0), mod: new BN(0) }; } var div, mod, res; if (this.negative !== 0 && num.negative === 0) { res = this.neg().divmod(num, mode); if (mode !== 'mod') { div = res.div.neg(); } if (mode !== 'div') { mod = res.mod.neg(); if (positive && mod.negative !== 0) { mod.iadd(num); } } return { div: div, mod: mod }; } if (this.negative === 0 && num.negative !== 0) { res = this.divmod(num.neg(), mode); if (mode !== 'mod') { div = res.div.neg(); } return { div: div, mod: res.mod }; } if ((this.negative & num.negative) !== 0) { res = this.neg().divmod(num.neg(), mode); if (mode !== 'div') { mod = res.mod.neg(); if (positive && mod.negative !== 0) { mod.isub(num); } } return { div: res.div, mod: mod }; } // Both numbers are positive at this point // Strip both numbers to approximate shift value if (num.length > this.length || this.cmp(num) < 0) { return { div: new BN(0), mod: this }; } // Very short reduction if (num.length === 1) { if (mode === 'div') { return { div: this.divn(num.words[0]), mod: null }; } if (mode === 'mod') { return { div: null, mod: new BN(this.modn(num.words[0])) }; } return { div: this.divn(num.words[0]), mod: new BN(this.modn(num.words[0])) }; } return this._wordDiv(num, mode); }; // Find `this` / `num` BN.prototype.div = function div (num) { return this.divmod(num, 'div', false).div; }; // Find `this` % `num` BN.prototype.mod = function mod (num) { return this.divmod(num, 'mod', false).mod; }; BN.prototype.umod = function umod (num) { return this.divmod(num, 'mod', true).mod; }; // Find Round(`this` / `num`) BN.prototype.divRound = function divRound (num) { var dm = this.divmod(num); // Fast case - exact division if (dm.mod.isZero()) return dm.div; var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod; var half = num.ushrn(1); var r2 = num.andln(1); var cmp = mod.cmp(half); // Round down if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div; // Round up return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1); }; BN.prototype.modn = function modn (num) { assert(num <= 0x3ffffff); var p = (1 << 26) % num; var acc = 0; for (var i = this.length - 1; i >= 0; i--) { acc = (p * acc + (this.words[i] | 0)) % num; } return acc; }; // In-place division by number BN.prototype.idivn = function idivn (num) { assert(num <= 0x3ffffff); var carry = 0; for (var i = this.length - 1; i >= 0; i--) { var w = (this.words[i] | 0) + carry * 0x4000000; this.words[i] = (w / num) | 0; carry = w % num; } return this.strip(); }; BN.prototype.divn = function divn (num) { return this.clone().idivn(num); }; BN.prototype.egcd = function egcd (p) { assert(p.negative === 0); assert(!p.isZero()); var x = this; var y = p.clone(); if (x.negative !== 0) { x = x.umod(p); } else { x = x.clone(); } // A * x + B * y = x var A = new BN(1); var B = new BN(0); // C * x + D * y = y var C = new BN(0); var D = new BN(1); var g = 0; while (x.isEven() && y.isEven()) { x.iushrn(1); y.iushrn(1); ++g; } var yp = y.clone(); var xp = x.clone(); while (!x.isZero()) { for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1); if (i > 0) { x.iushrn(i); while (i-- > 0) { if (A.isOdd() || B.isOdd()) { A.iadd(yp); B.isub(xp); } A.iushrn(1); B.iushrn(1); } } for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); if (j > 0) { y.iushrn(j); while (j-- > 0) { if (C.isOdd() || D.isOdd()) { C.iadd(yp); D.isub(xp); } C.iushrn(1); D.iushrn(1); } } if (x.cmp(y) >= 0) { x.isub(y); A.isub(C); B.isub(D); } else { y.isub(x); C.isub(A); D.isub(B); } } return { a: C, b: D, gcd: y.iushln(g) }; }; // This is reduced incarnation of the binary EEA // above, designated to invert members of the // _prime_ fields F(p) at a maximal speed BN.prototype._invmp = function _invmp (p) { assert(p.negative === 0); assert(!p.isZero()); var a = this; var b = p.clone(); if (a.negative !== 0) { a = a.umod(p); } else { a = a.clone(); } var x1 = new BN(1); var x2 = new BN(0); var delta = b.clone(); while (a.cmpn(1) > 0 && b.cmpn(1) > 0) { for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1); if (i > 0) { a.iushrn(i); while (i-- > 0) { if (x1.isOdd()) { x1.iadd(delta); } x1.iushrn(1); } } for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); if (j > 0) { b.iushrn(j); while (j-- > 0) { if (x2.isOdd()) { x2.iadd(delta); } x2.iushrn(1); } } if (a.cmp(b) >= 0) { a.isub(b); x1.isub(x2); } else { b.isub(a); x2.isub(x1); } } var res; if (a.cmpn(1) === 0) { res = x1; } else { res = x2; } if (res.cmpn(0) < 0) { res.iadd(p); } return res; }; BN.prototype.gcd = function gcd (num) { if (this.isZero()) return num.abs(); if (num.isZero()) return this.abs(); var a = this.clone(); var b = num.clone(); a.negative = 0; b.negative = 0; // Remove common factor of two for (var shift = 0; a.isEven() && b.isEven(); shift++) { a.iushrn(1); b.iushrn(1); } do { while (a.isEven()) { a.iushrn(1); } while (b.isEven()) { b.iushrn(1); } var r = a.cmp(b); if (r < 0) { // Swap `a` and `b` to make `a` always bigger than `b` var t = a; a = b; b = t; } else if (r === 0 || b.cmpn(1) === 0) { break; } a.isub(b); } while (true); return b.iushln(shift); }; // Invert number in the field F(num) BN.prototype.invm = function invm (num) { return this.egcd(num).a.umod(num); }; BN.prototype.isEven = function isEven () { return (this.words[0] & 1) === 0; }; BN.prototype.isOdd = function isOdd () { return (this.words[0] & 1) === 1; }; // And first word and num BN.prototype.andln = function andln (num) { return this.words[0] & num; }; // Increment at the bit position in-line BN.prototype.bincn = function bincn (bit) { assert(typeof bit === 'number'); var r = bit % 26; var s = (bit - r) / 26; var q = 1 << r; // Fast case: bit is much higher than all existing words if (this.length <= s) { this._expand(s + 1); this.words[s] |= q; return this; } // Add bit and propagate, if needed var carry = q; for (var i = s; carry !== 0 && i < this.length; i++) { var w = this.words[i] | 0; w += carry; carry = w >>> 26; w &= 0x3ffffff; this.words[i] = w; } if (carry !== 0) { this.words[i] = carry; this.length++; } return this; }; BN.prototype.isZero = function isZero () { return this.length === 1 && this.words[0] === 0; }; BN.prototype.cmpn = function cmpn (num) { var negative = num < 0; if (this.negative !== 0 && !negative) return -1; if (this.negative === 0 && negative) return 1; this.strip(); var res; if (this.length > 1) { res = 1; } else { if (negative) { num = -num; } assert(num <= 0x3ffffff, 'Number is too big'); var w = this.words[0] | 0; res = w === num ? 0 : w < num ? -1 : 1; } if (this.negative !== 0) return -res | 0; return res; }; // Compare two numbers and return: // 1 - if `this` > `num` // 0 - if `this` == `num` // -1 - if `this` < `num` BN.prototype.cmp = function cmp (num) { if (this.negative !== 0 && num.negative === 0) return -1; if (this.negative === 0 && num.negative !== 0) return 1; var res = this.ucmp(num); if (this.negative !== 0) return -res | 0; return res; }; // Unsigned comparison BN.prototype.ucmp = function ucmp (num) { // At this point both numbers have the same sign if (this.length > num.length) return 1; if (this.length < num.length) return -1; var res = 0; for (var i = this.length - 1; i >= 0; i--) { var a = this.words[i] | 0; var b = num.words[i] | 0; if (a === b) continue; if (a < b) { res = -1; } else if (a > b) { res = 1; } break; } return res; }; BN.prototype.gtn = function gtn (num) { return this.cmpn(num) === 1; }; BN.prototype.gt = function gt (num) { return this.cmp(num) === 1; }; BN.prototype.gten = function gten (num) { return this.cmpn(num) >= 0; }; BN.prototype.gte = function gte (num) { return this.cmp(num) >= 0; }; BN.prototype.ltn = function ltn (num) { return this.cmpn(num) === -1; }; BN.prototype.lt = function lt (num) { return this.cmp(num) === -1; }; BN.prototype.lten = function lten (num) { return this.cmpn(num) <= 0; }; BN.prototype.lte = function lte (num) { return this.cmp(num) <= 0; }; BN.prototype.eqn = function eqn (num) { return this.cmpn(num) === 0; }; BN.prototype.eq = function eq (num) { return this.cmp(num) === 0; }; // // A reduce context, could be using montgomery or something better, depending // on the `m` itself. // BN.red = function red (num) { return new Red(num); }; BN.prototype.toRed = function toRed (ctx) { assert(!this.red, 'Already a number in reduction context'); assert(this.negative === 0, 'red works only with positives'); return ctx.convertTo(this)._forceRed(ctx); }; BN.prototype.fromRed = function fromRed () { assert(this.red, 'fromRed works only with numbers in reduction context'); return this.red.convertFrom(this); }; BN.prototype._forceRed = function _forceRed (ctx) { this.red = ctx; return this; }; BN.prototype.forceRed = function forceRed (ctx) { assert(!this.red, 'Already a number in reduction context'); return this._forceRed(ctx); }; BN.prototype.redAdd = function redAdd (num) { assert(this.red, 'redAdd works only with red numbers'); return this.red.add(this, num); }; BN.prototype.redIAdd = function redIAdd (num) { assert(this.red, 'redIAdd works only with red numbers'); return this.red.iadd(this, num); }; BN.prototype.redSub = function redSub (num) { assert(this.red, 'redSub works only with red numbers'); return this.red.sub(this, num); }; BN.prototype.redISub = function redISub (num) { assert(this.red, 'redISub works only with red numbers'); return this.red.isub(this, num); }; BN.prototype.redShl = function redShl (num) { assert(this.red, 'redShl works only with red numbers'); return this.red.shl(this, num); }; BN.prototype.redMul = function redMul (num) { assert(this.red, 'redMul works only with red numbers'); this.red._verify2(this, num); return this.red.mul(this, num); }; BN.prototype.redIMul = function redIMul (num) { assert(this.red, 'redMul works only with red numbers'); this.red._verify2(this, num); return this.red.imul(this, num); }; BN.prototype.redSqr = function redSqr () { assert(this.red, 'redSqr works only with red numbers'); this.red._verify1(this); return this.red.sqr(this); }; BN.prototype.redISqr = function redISqr () { assert(this.red, 'redISqr works only with red numbers'); this.red._verify1(this); return this.red.isqr(this); }; // Square root over p BN.prototype.redSqrt = function redSqrt () { assert(this.red, 'redSqrt works only with red numbers'); this.red._verify1(this); return this.red.sqrt(this); }; BN.prototype.redInvm = function redInvm () { assert(this.red, 'redInvm works only with red numbers'); this.red._verify1(this); return this.red.invm(this); }; // Return negative clone of `this` % `red modulo` BN.prototype.redNeg = function redNeg () { assert(this.red, 'redNeg works only with red numbers'); this.red._verify1(this); return this.red.neg(this); }; BN.prototype.redPow = function redPow (num) { assert(this.red && !num.red, 'redPow(normalNum)'); this.red._verify1(this); return this.red.pow(this, num); }; // Prime numbers with efficient reduction var primes = { k256: null, p224: null, p192: null, p25519: null }; // Pseudo-Mersenne prime function MPrime (name, p) { // P = 2 ^ N - K this.name = name; this.p = new BN(p, 16); this.n = this.p.bitLength(); this.k = new BN(1).iushln(this.n).isub(this.p); this.tmp = this._tmp(); } MPrime.prototype._tmp = function _tmp () { var tmp = new BN(null); tmp.words = new Array(Math.ceil(this.n / 13)); return tmp; }; MPrime.prototype.ireduce = function ireduce (num) { // Assumes that `num` is less than `P^2` // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P) var r = num; var rlen; do { this.split(r, this.tmp); r = this.imulK(r); r = r.iadd(this.tmp); rlen = r.bitLength(); } while (rlen > this.n); var cmp = rlen < this.n ? -1 : r.ucmp(this.p); if (cmp === 0) { r.words[0] = 0; r.length = 1; } else if (cmp > 0) { r.isub(this.p); } else { if (r.strip !== undefined) { // r is BN v4 instance r.strip(); } else { // r is BN v5 instance r._strip(); } } return r; }; MPrime.prototype.split = function split (input, out) { input.iushrn(this.n, 0, out); }; MPrime.prototype.imulK = function imulK (num) { return num.imul(this.k); }; function K256 () { MPrime.call( this, 'k256', 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f'); } inherits(K256, MPrime); K256.prototype.split = function split (input, output) { // 256 = 9 * 26 + 22 var mask = 0x3fffff; var outLen = Math.min(input.length, 9); for (var i = 0; i < outLen; i++) { output.words[i] = input.words[i]; } output.length = outLen; if (input.length <= 9) { input.words[0] = 0; input.length = 1; return; } // Shift by 9 limbs var prev = input.words[9]; output.words[output.length++] = prev & mask; for (i = 10; i < input.length; i++) { var next = input.words[i] | 0; input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22); prev = next; } prev >>>= 22; input.words[i - 10] = prev; if (prev === 0 && input.length > 10) { input.length -= 10; } else { input.length -= 9; } }; K256.prototype.imulK = function imulK (num) { // K = 0x1000003d1 = [ 0x40, 0x3d1 ] num.words[num.length] = 0; num.words[num.length + 1] = 0; num.length += 2; // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390 var lo = 0; for (var i = 0; i < num.length; i++) { var w = num.words[i] | 0; lo += w * 0x3d1; num.words[i] = lo & 0x3ffffff; lo = w * 0x40 + ((lo / 0x4000000) | 0); } // Fast length reduction if (num.words[num.length - 1] === 0) { num.length--; if (num.words[num.length - 1] === 0) { num.length--; } } return num; }; function P224 () { MPrime.call( this, 'p224', 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001'); } inherits(P224, MPrime); function P192 () { MPrime.call( this, 'p192', 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff'); } inherits(P192, MPrime); function P25519 () { // 2 ^ 255 - 19 MPrime.call( this, '25519', '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed'); } inherits(P25519, MPrime); P25519.prototype.imulK = function imulK (num) { // K = 0x13 var carry = 0; for (var i = 0; i < num.length; i++) { var hi = (num.words[i] | 0) * 0x13 + carry; var lo = hi & 0x3ffffff; hi >>>= 26; num.words[i] = lo; carry = hi; } if (carry !== 0) { num.words[num.length++] = carry; } return num; }; // Exported mostly for testing purposes, use plain name instead BN._prime = function prime (name) { // Cached version of prime if (primes[name]) return primes[name]; var prime; if (name === 'k256') { prime = new K256(); } else if (name === 'p224') { prime = new P224(); } else if (name === 'p192') { prime = new P192(); } else if (name === 'p25519') { prime = new P25519(); } else { throw new Error('Unknown prime ' + name); } primes[name] = prime; return prime; }; // // Base reduction engine // function Red (m) { if (typeof m === 'string') { var prime = BN._prime(m); this.m = prime.p; this.prime = prime; } else { assert(m.gtn(1), 'modulus must be greater than 1'); this.m = m; this.prime = null; } } Red.prototype._verify1 = function _verify1 (a) { assert(a.negative === 0, 'red works only with positives'); assert(a.red, 'red works only with red numbers'); }; Red.prototype._verify2 = function _verify2 (a, b) { assert((a.negative | b.negative) === 0, 'red works only with positives'); assert(a.red && a.red === b.red, 'red works only with red numbers'); }; Red.prototype.imod = function imod (a) { if (this.prime) return this.prime.ireduce(a)._forceRed(this); return a.umod(this.m)._forceRed(this); }; Red.prototype.neg = function neg (a) { if (a.isZero()) { return a.clone(); } return this.m.sub(a)._forceRed(this); }; Red.prototype.add = function add (a, b) { this._verify2(a, b); var res = a.add(b); if (res.cmp(this.m) >= 0) { res.isub(this.m); } return res._forceRed(this); }; Red.prototype.iadd = function iadd (a, b) { this._verify2(a, b); var res = a.iadd(b); if (res.cmp(this.m) >= 0) { res.isub(this.m); } return res; }; Red.prototype.sub = function sub (a, b) { this._verify2(a, b); var res = a.sub(b); if (res.cmpn(0) < 0) { res.iadd(this.m); } return res._forceRed(this); }; Red.prototype.isub = function isub (a, b) { this._verify2(a, b); var res = a.isub(b); if (res.cmpn(0) < 0) { res.iadd(this.m); } return res; }; Red.prototype.shl = function shl (a, num) { this._verify1(a); return this.imod(a.ushln(num)); }; Red.prototype.imul = function imul (a, b) { this._verify2(a, b); return this.imod(a.imul(b)); }; Red.prototype.mul = function mul (a, b) { this._verify2(a, b); return this.imod(a.mul(b)); }; Red.prototype.isqr = function isqr (a) { return this.imul(a, a.clone()); }; Red.prototype.sqr = function sqr (a) { return this.mul(a, a); }; Red.prototype.sqrt = function sqrt (a) { if (a.isZero()) return a.clone(); var mod3 = this.m.andln(3); assert(mod3 % 2 === 1); // Fast case if (mod3 === 3) { var pow = this.m.add(new BN(1)).iushrn(2); return this.pow(a, pow); } // Tonelli-Shanks algorithm (Totally unoptimized and slow) // // Find Q and S, that Q * 2 ^ S = (P - 1) var q = this.m.subn(1); var s = 0; while (!q.isZero() && q.andln(1) === 0) { s++; q.iushrn(1); } assert(!q.isZero()); var one = new BN(1).toRed(this); var nOne = one.redNeg(); // Find quadratic non-residue // NOTE: Max is such because of generalized Riemann hypothesis. var lpow = this.m.subn(1).iushrn(1); var z = this.m.bitLength(); z = new BN(2 * z * z).toRed(this); while (this.pow(z, lpow).cmp(nOne) !== 0) { z.redIAdd(nOne); } var c = this.pow(z, q); var r = this.pow(a, q.addn(1).iushrn(1)); var t = this.pow(a, q); var m = s; while (t.cmp(one) !== 0) { var tmp = t; for (var i = 0; tmp.cmp(one) !== 0; i++) { tmp = tmp.redSqr(); } assert(i < m); var b = this.pow(c, new BN(1).iushln(m - i - 1)); r = r.redMul(b); c = b.redSqr(); t = t.redMul(c); m = i; } return r; }; Red.prototype.invm = function invm (a) { var inv = a._invmp(this.m); if (inv.negative !== 0) { inv.negative = 0; return this.imod(inv).redNeg(); } else { return this.imod(inv); } }; Red.prototype.pow = function pow (a, num) { if (num.isZero()) return new BN(1).toRed(this); if (num.cmpn(1) === 0) return a.clone(); var windowSize = 4; var wnd = new Array(1 << windowSize); wnd[0] = new BN(1).toRed(this); wnd[1] = a; for (var i = 2; i < wnd.length; i++) { wnd[i] = this.mul(wnd[i - 1], a); } var res = wnd[0]; var current = 0; var currentLen = 0; var start = num.bitLength() % 26; if (start === 0) { start = 26; } for (i = num.length - 1; i >= 0; i--) { var word = num.words[i]; for (var j = start - 1; j >= 0; j--) { var bit = (word >> j) & 1; if (res !== wnd[0]) { res = this.sqr(res); } if (bit === 0 && current === 0) { currentLen = 0; continue; } current <<= 1; current |= bit; currentLen++; if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue; res = this.mul(res, wnd[current]); currentLen = 0; current = 0; } start = 26; } return res; }; Red.prototype.convertTo = function convertTo (num) { var r = num.umod(this.m); return r === num ? r.clone() : r; }; Red.prototype.convertFrom = function convertFrom (num) { var res = num.clone(); res.red = null; return res; }; // // Montgomery method engine // BN.mont = function mont (num) { return new Mont(num); }; function Mont (m) { Red.call(this, m); this.shift = this.m.bitLength(); if (this.shift % 26 !== 0) { this.shift += 26 - (this.shift % 26); } this.r = new BN(1).iushln(this.shift); this.r2 = this.imod(this.r.sqr()); this.rinv = this.r._invmp(this.m); this.minv = this.rinv.mul(this.r).isubn(1).div(this.m); this.minv = this.minv.umod(this.r); this.minv = this.r.sub(this.minv); } inherits(Mont, Red); Mont.prototype.convertTo = function convertTo (num) { return this.imod(num.ushln(this.shift)); }; Mont.prototype.convertFrom = function convertFrom (num) { var r = this.imod(num.mul(this.rinv)); r.red = null; return r; }; Mont.prototype.imul = function imul (a, b) { if (a.isZero() || b.isZero()) { a.words[0] = 0; a.length = 1; return a; } var t = a.imul(b); var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); var u = t.isub(c).iushrn(this.shift); var res = u; if (u.cmp(this.m) >= 0) { res = u.isub(this.m); } else if (u.cmpn(0) < 0) { res = u.iadd(this.m); } return res._forceRed(this); }; Mont.prototype.mul = function mul (a, b) { if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this); var t = a.mul(b); var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); var u = t.isub(c).iushrn(this.shift); var res = u; if (u.cmp(this.m) >= 0) { res = u.isub(this.m); } else if (u.cmpn(0) < 0) { res = u.iadd(this.m); } return res._forceRed(this); }; Mont.prototype.invm = function invm (a) { // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R var res = this.imod(a._invmp(this.m).mul(this.r2)); return res._forceRed(this); }; })( false || module, this); /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic.js": /*!***************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic.js ***! \***************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var elliptic = exports; elliptic.version = (__webpack_require__(/*! ../package.json */ "../../node_modules/elliptic/package.json").version); elliptic.utils = __webpack_require__(/*! ./elliptic/utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); elliptic.rand = __webpack_require__(/*! brorand */ "../../node_modules/brorand/index.js"); elliptic.curve = __webpack_require__(/*! ./elliptic/curve */ "../../node_modules/elliptic/lib/elliptic/curve/index.js"); elliptic.curves = __webpack_require__(/*! ./elliptic/curves */ "../../node_modules/elliptic/lib/elliptic/curves.js"); // Protocols elliptic.ec = __webpack_require__(/*! ./elliptic/ec */ "../../node_modules/elliptic/lib/elliptic/ec/index.js"); elliptic.eddsa = __webpack_require__(/*! ./elliptic/eddsa */ "../../node_modules/elliptic/lib/elliptic/eddsa/index.js"); /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/curve/base.js": /*!**************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/curve/base.js ***! \**************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var getNAF = utils.getNAF; var getJSF = utils.getJSF; var assert = utils.assert; function BaseCurve(type, conf) { this.type = type; this.p = new BN(conf.p, 16); // Use Montgomery, when there is no fast reduction for the prime this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p); // Useful for many curves this.zero = new BN(0).toRed(this.red); this.one = new BN(1).toRed(this.red); this.two = new BN(2).toRed(this.red); // Curve configuration, optional this.n = conf.n && new BN(conf.n, 16); this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed); // Temporary arrays this._wnafT1 = new Array(4); this._wnafT2 = new Array(4); this._wnafT3 = new Array(4); this._wnafT4 = new Array(4); this._bitLength = this.n ? this.n.bitLength() : 0; // Generalized Greg Maxwell's trick var adjustCount = this.n && this.p.div(this.n); if (!adjustCount || adjustCount.cmpn(100) > 0) { this.redN = null; } else { this._maxwellTrick = true; this.redN = this.n.toRed(this.red); } } module.exports = BaseCurve; BaseCurve.prototype.point = function point() { throw new Error('Not implemented'); }; BaseCurve.prototype.validate = function validate() { throw new Error('Not implemented'); }; BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) { assert(p.precomputed); var doubles = p._getDoubles(); var naf = getNAF(k, 1, this._bitLength); var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1); I /= 3; // Translate into more windowed form var repr = []; var j; var nafW; for (j = 0; j < naf.length; j += doubles.step) { nafW = 0; for (var l = j + doubles.step - 1; l >= j; l--) nafW = (nafW << 1) + naf[l]; repr.push(nafW); } var a = this.jpoint(null, null, null); var b = this.jpoint(null, null, null); for (var i = I; i > 0; i--) { for (j = 0; j < repr.length; j++) { nafW = repr[j]; if (nafW === i) b = b.mixedAdd(doubles.points[j]); else if (nafW === -i) b = b.mixedAdd(doubles.points[j].neg()); } a = a.add(b); } return a.toP(); }; BaseCurve.prototype._wnafMul = function _wnafMul(p, k) { var w = 4; // Precompute window var nafPoints = p._getNAFPoints(w); w = nafPoints.wnd; var wnd = nafPoints.points; // Get NAF form var naf = getNAF(k, w, this._bitLength); // Add `this`*(N+1) for every w-NAF index var acc = this.jpoint(null, null, null); for (var i = naf.length - 1; i >= 0; i--) { // Count zeroes for (var l = 0; i >= 0 && naf[i] === 0; i--) l++; if (i >= 0) l++; acc = acc.dblp(l); if (i < 0) break; var z = naf[i]; assert(z !== 0); if (p.type === 'affine') { // J +- P if (z > 0) acc = acc.mixedAdd(wnd[(z - 1) >> 1]); else acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg()); } else { // J +- J if (z > 0) acc = acc.add(wnd[(z - 1) >> 1]); else acc = acc.add(wnd[(-z - 1) >> 1].neg()); } } return p.type === 'affine' ? acc.toP() : acc; }; BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW, points, coeffs, len, jacobianResult) { var wndWidth = this._wnafT1; var wnd = this._wnafT2; var naf = this._wnafT3; // Fill all arrays var max = 0; var i; var j; var p; for (i = 0; i < len; i++) { p = points[i]; var nafPoints = p._getNAFPoints(defW); wndWidth[i] = nafPoints.wnd; wnd[i] = nafPoints.points; } // Comb small window NAFs for (i = len - 1; i >= 1; i -= 2) { var a = i - 1; var b = i; if (wndWidth[a] !== 1 || wndWidth[b] !== 1) { naf[a] = getNAF(coeffs[a], wndWidth[a], this._bitLength); naf[b] = getNAF(coeffs[b], wndWidth[b], this._bitLength); max = Math.max(naf[a].length, max); max = Math.max(naf[b].length, max); continue; } var comb = [ points[a], /* 1 */ null, /* 3 */ null, /* 5 */ points[b], /* 7 */ ]; // Try to avoid Projective points, if possible if (points[a].y.cmp(points[b].y) === 0) { comb[1] = points[a].add(points[b]); comb[2] = points[a].toJ().mixedAdd(points[b].neg()); } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) { comb[1] = points[a].toJ().mixedAdd(points[b]); comb[2] = points[a].add(points[b].neg()); } else { comb[1] = points[a].toJ().mixedAdd(points[b]); comb[2] = points[a].toJ().mixedAdd(points[b].neg()); } var index = [ -3, /* -1 -1 */ -1, /* -1 0 */ -5, /* -1 1 */ -7, /* 0 -1 */ 0, /* 0 0 */ 7, /* 0 1 */ 5, /* 1 -1 */ 1, /* 1 0 */ 3, /* 1 1 */ ]; var jsf = getJSF(coeffs[a], coeffs[b]); max = Math.max(jsf[0].length, max); naf[a] = new Array(max); naf[b] = new Array(max); for (j = 0; j < max; j++) { var ja = jsf[0][j] | 0; var jb = jsf[1][j] | 0; naf[a][j] = index[(ja + 1) * 3 + (jb + 1)]; naf[b][j] = 0; wnd[a] = comb; } } var acc = this.jpoint(null, null, null); var tmp = this._wnafT4; for (i = max; i >= 0; i--) { var k = 0; while (i >= 0) { var zero = true; for (j = 0; j < len; j++) { tmp[j] = naf[j][i] | 0; if (tmp[j] !== 0) zero = false; } if (!zero) break; k++; i--; } if (i >= 0) k++; acc = acc.dblp(k); if (i < 0) break; for (j = 0; j < len; j++) { var z = tmp[j]; p; if (z === 0) continue; else if (z > 0) p = wnd[j][(z - 1) >> 1]; else if (z < 0) p = wnd[j][(-z - 1) >> 1].neg(); if (p.type === 'affine') acc = acc.mixedAdd(p); else acc = acc.add(p); } } // Zeroify references for (i = 0; i < len; i++) wnd[i] = null; if (jacobianResult) return acc; else return acc.toP(); }; function BasePoint(curve, type) { this.curve = curve; this.type = type; this.precomputed = null; } BaseCurve.BasePoint = BasePoint; BasePoint.prototype.eq = function eq(/*other*/) { throw new Error('Not implemented'); }; BasePoint.prototype.validate = function validate() { return this.curve.validate(this); }; BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) { bytes = utils.toArray(bytes, enc); var len = this.p.byteLength(); // uncompressed, hybrid-odd, hybrid-even if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) && bytes.length - 1 === 2 * len) { if (bytes[0] === 0x06) assert(bytes[bytes.length - 1] % 2 === 0); else if (bytes[0] === 0x07) assert(bytes[bytes.length - 1] % 2 === 1); var res = this.point(bytes.slice(1, 1 + len), bytes.slice(1 + len, 1 + 2 * len)); return res; } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) && bytes.length - 1 === len) { return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03); } throw new Error('Unknown point format'); }; BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) { return this.encode(enc, true); }; BasePoint.prototype._encode = function _encode(compact) { var len = this.curve.p.byteLength(); var x = this.getX().toArray('be', len); if (compact) return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x); return [ 0x04 ].concat(x, this.getY().toArray('be', len)); }; BasePoint.prototype.encode = function encode(enc, compact) { return utils.encode(this._encode(compact), enc); }; BasePoint.prototype.precompute = function precompute(power) { if (this.precomputed) return this; var precomputed = { doubles: null, naf: null, beta: null, }; precomputed.naf = this._getNAFPoints(8); precomputed.doubles = this._getDoubles(4, power); precomputed.beta = this._getBeta(); this.precomputed = precomputed; return this; }; BasePoint.prototype._hasDoubles = function _hasDoubles(k) { if (!this.precomputed) return false; var doubles = this.precomputed.doubles; if (!doubles) return false; return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step); }; BasePoint.prototype._getDoubles = function _getDoubles(step, power) { if (this.precomputed && this.precomputed.doubles) return this.precomputed.doubles; var doubles = [ this ]; var acc = this; for (var i = 0; i < power; i += step) { for (var j = 0; j < step; j++) acc = acc.dbl(); doubles.push(acc); } return { step: step, points: doubles, }; }; BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) { if (this.precomputed && this.precomputed.naf) return this.precomputed.naf; var res = [ this ]; var max = (1 << wnd) - 1; var dbl = max === 1 ? null : this.dbl(); for (var i = 1; i < max; i++) res[i] = res[i - 1].add(dbl); return { wnd: wnd, points: res, }; }; BasePoint.prototype._getBeta = function _getBeta() { return null; }; BasePoint.prototype.dblp = function dblp(k) { var r = this; for (var i = 0; i < k; i++) r = r.dbl(); return r; }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/curve/edwards.js": /*!*****************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/curve/edwards.js ***! \*****************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); var Base = __webpack_require__(/*! ./base */ "../../node_modules/elliptic/lib/elliptic/curve/base.js"); var assert = utils.assert; function EdwardsCurve(conf) { // NOTE: Important as we are creating point in Base.call() this.twisted = (conf.a | 0) !== 1; this.mOneA = this.twisted && (conf.a | 0) === -1; this.extended = this.mOneA; Base.call(this, 'edwards', conf); this.a = new BN(conf.a, 16).umod(this.red.m); this.a = this.a.toRed(this.red); this.c = new BN(conf.c, 16).toRed(this.red); this.c2 = this.c.redSqr(); this.d = new BN(conf.d, 16).toRed(this.red); this.dd = this.d.redAdd(this.d); assert(!this.twisted || this.c.fromRed().cmpn(1) === 0); this.oneC = (conf.c | 0) === 1; } inherits(EdwardsCurve, Base); module.exports = EdwardsCurve; EdwardsCurve.prototype._mulA = function _mulA(num) { if (this.mOneA) return num.redNeg(); else return this.a.redMul(num); }; EdwardsCurve.prototype._mulC = function _mulC(num) { if (this.oneC) return num; else return this.c.redMul(num); }; // Just for compatibility with Short curve EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) { return this.point(x, y, z, t); }; EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) { x = new BN(x, 16); if (!x.red) x = x.toRed(this.red); var x2 = x.redSqr(); var rhs = this.c2.redSub(this.a.redMul(x2)); var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2)); var y2 = rhs.redMul(lhs.redInvm()); var y = y2.redSqrt(); if (y.redSqr().redSub(y2).cmp(this.zero) !== 0) throw new Error('invalid point'); var isOdd = y.fromRed().isOdd(); if (odd && !isOdd || !odd && isOdd) y = y.redNeg(); return this.point(x, y); }; EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) { y = new BN(y, 16); if (!y.red) y = y.toRed(this.red); // x^2 = (y^2 - c^2) / (c^2 d y^2 - a) var y2 = y.redSqr(); var lhs = y2.redSub(this.c2); var rhs = y2.redMul(this.d).redMul(this.c2).redSub(this.a); var x2 = lhs.redMul(rhs.redInvm()); if (x2.cmp(this.zero) === 0) { if (odd) throw new Error('invalid point'); else return this.point(this.zero, y); } var x = x2.redSqrt(); if (x.redSqr().redSub(x2).cmp(this.zero) !== 0) throw new Error('invalid point'); if (x.fromRed().isOdd() !== odd) x = x.redNeg(); return this.point(x, y); }; EdwardsCurve.prototype.validate = function validate(point) { if (point.isInfinity()) return true; // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2) point.normalize(); var x2 = point.x.redSqr(); var y2 = point.y.redSqr(); var lhs = x2.redMul(this.a).redAdd(y2); var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2))); return lhs.cmp(rhs) === 0; }; function Point(curve, x, y, z, t) { Base.BasePoint.call(this, curve, 'projective'); if (x === null && y === null && z === null) { this.x = this.curve.zero; this.y = this.curve.one; this.z = this.curve.one; this.t = this.curve.zero; this.zOne = true; } else { this.x = new BN(x, 16); this.y = new BN(y, 16); this.z = z ? new BN(z, 16) : this.curve.one; this.t = t && new BN(t, 16); if (!this.x.red) this.x = this.x.toRed(this.curve.red); if (!this.y.red) this.y = this.y.toRed(this.curve.red); if (!this.z.red) this.z = this.z.toRed(this.curve.red); if (this.t && !this.t.red) this.t = this.t.toRed(this.curve.red); this.zOne = this.z === this.curve.one; // Use extended coordinates if (this.curve.extended && !this.t) { this.t = this.x.redMul(this.y); if (!this.zOne) this.t = this.t.redMul(this.z.redInvm()); } } } inherits(Point, Base.BasePoint); EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) { return Point.fromJSON(this, obj); }; EdwardsCurve.prototype.point = function point(x, y, z, t) { return new Point(this, x, y, z, t); }; Point.fromJSON = function fromJSON(curve, obj) { return new Point(curve, obj[0], obj[1], obj[2]); }; Point.prototype.inspect = function inspect() { if (this.isInfinity()) return ''; return ''; }; Point.prototype.isInfinity = function isInfinity() { // XXX This code assumes that zero is always zero in red return this.x.cmpn(0) === 0 && (this.y.cmp(this.z) === 0 || (this.zOne && this.y.cmp(this.curve.c) === 0)); }; Point.prototype._extDbl = function _extDbl() { // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html // #doubling-dbl-2008-hwcd // 4M + 4S // A = X1^2 var a = this.x.redSqr(); // B = Y1^2 var b = this.y.redSqr(); // C = 2 * Z1^2 var c = this.z.redSqr(); c = c.redIAdd(c); // D = a * A var d = this.curve._mulA(a); // E = (X1 + Y1)^2 - A - B var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b); // G = D + B var g = d.redAdd(b); // F = G - C var f = g.redSub(c); // H = D - B var h = d.redSub(b); // X3 = E * F var nx = e.redMul(f); // Y3 = G * H var ny = g.redMul(h); // T3 = E * H var nt = e.redMul(h); // Z3 = F * G var nz = f.redMul(g); return this.curve.point(nx, ny, nz, nt); }; Point.prototype._projDbl = function _projDbl() { // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html // #doubling-dbl-2008-bbjlp // #doubling-dbl-2007-bl // and others // Generally 3M + 4S or 2M + 4S // B = (X1 + Y1)^2 var b = this.x.redAdd(this.y).redSqr(); // C = X1^2 var c = this.x.redSqr(); // D = Y1^2 var d = this.y.redSqr(); var nx; var ny; var nz; var e; var h; var j; if (this.curve.twisted) { // E = a * C e = this.curve._mulA(c); // F = E + D var f = e.redAdd(d); if (this.zOne) { // X3 = (B - C - D) * (F - 2) nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two)); // Y3 = F * (E - D) ny = f.redMul(e.redSub(d)); // Z3 = F^2 - 2 * F nz = f.redSqr().redSub(f).redSub(f); } else { // H = Z1^2 h = this.z.redSqr(); // J = F - 2 * H j = f.redSub(h).redISub(h); // X3 = (B-C-D)*J nx = b.redSub(c).redISub(d).redMul(j); // Y3 = F * (E - D) ny = f.redMul(e.redSub(d)); // Z3 = F * J nz = f.redMul(j); } } else { // E = C + D e = c.redAdd(d); // H = (c * Z1)^2 h = this.curve._mulC(this.z).redSqr(); // J = E - 2 * H j = e.redSub(h).redSub(h); // X3 = c * (B - E) * J nx = this.curve._mulC(b.redISub(e)).redMul(j); // Y3 = c * E * (C - D) ny = this.curve._mulC(e).redMul(c.redISub(d)); // Z3 = E * J nz = e.redMul(j); } return this.curve.point(nx, ny, nz); }; Point.prototype.dbl = function dbl() { if (this.isInfinity()) return this; // Double in extended coordinates if (this.curve.extended) return this._extDbl(); else return this._projDbl(); }; Point.prototype._extAdd = function _extAdd(p) { // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html // #addition-add-2008-hwcd-3 // 8M // A = (Y1 - X1) * (Y2 - X2) var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x)); // B = (Y1 + X1) * (Y2 + X2) var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x)); // C = T1 * k * T2 var c = this.t.redMul(this.curve.dd).redMul(p.t); // D = Z1 * 2 * Z2 var d = this.z.redMul(p.z.redAdd(p.z)); // E = B - A var e = b.redSub(a); // F = D - C var f = d.redSub(c); // G = D + C var g = d.redAdd(c); // H = B + A var h = b.redAdd(a); // X3 = E * F var nx = e.redMul(f); // Y3 = G * H var ny = g.redMul(h); // T3 = E * H var nt = e.redMul(h); // Z3 = F * G var nz = f.redMul(g); return this.curve.point(nx, ny, nz, nt); }; Point.prototype._projAdd = function _projAdd(p) { // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html // #addition-add-2008-bbjlp // #addition-add-2007-bl // 10M + 1S // A = Z1 * Z2 var a = this.z.redMul(p.z); // B = A^2 var b = a.redSqr(); // C = X1 * X2 var c = this.x.redMul(p.x); // D = Y1 * Y2 var d = this.y.redMul(p.y); // E = d * C * D var e = this.curve.d.redMul(c).redMul(d); // F = B - E var f = b.redSub(e); // G = B + E var g = b.redAdd(e); // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D) var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d); var nx = a.redMul(f).redMul(tmp); var ny; var nz; if (this.curve.twisted) { // Y3 = A * G * (D - a * C) ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c))); // Z3 = F * G nz = f.redMul(g); } else { // Y3 = A * G * (D - C) ny = a.redMul(g).redMul(d.redSub(c)); // Z3 = c * F * G nz = this.curve._mulC(f).redMul(g); } return this.curve.point(nx, ny, nz); }; Point.prototype.add = function add(p) { if (this.isInfinity()) return p; if (p.isInfinity()) return this; if (this.curve.extended) return this._extAdd(p); else return this._projAdd(p); }; Point.prototype.mul = function mul(k) { if (this._hasDoubles(k)) return this.curve._fixedNafMul(this, k); else return this.curve._wnafMul(this, k); }; Point.prototype.mulAdd = function mulAdd(k1, p, k2) { return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false); }; Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) { return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true); }; Point.prototype.normalize = function normalize() { if (this.zOne) return this; // Normalize coordinates var zi = this.z.redInvm(); this.x = this.x.redMul(zi); this.y = this.y.redMul(zi); if (this.t) this.t = this.t.redMul(zi); this.z = this.curve.one; this.zOne = true; return this; }; Point.prototype.neg = function neg() { return this.curve.point(this.x.redNeg(), this.y, this.z, this.t && this.t.redNeg()); }; Point.prototype.getX = function getX() { this.normalize(); return this.x.fromRed(); }; Point.prototype.getY = function getY() { this.normalize(); return this.y.fromRed(); }; Point.prototype.eq = function eq(other) { return this === other || this.getX().cmp(other.getX()) === 0 && this.getY().cmp(other.getY()) === 0; }; Point.prototype.eqXToP = function eqXToP(x) { var rx = x.toRed(this.curve.red).redMul(this.z); if (this.x.cmp(rx) === 0) return true; var xc = x.clone(); var t = this.curve.redN.redMul(this.z); for (;;) { xc.iadd(this.curve.n); if (xc.cmp(this.curve.p) >= 0) return false; rx.redIAdd(t); if (this.x.cmp(rx) === 0) return true; } }; // Compatibility with BaseCurve Point.prototype.toP = Point.prototype.normalize; Point.prototype.mixedAdd = Point.prototype.add; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/curve/index.js": /*!***************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/curve/index.js ***! \***************************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var curve = exports; curve.base = __webpack_require__(/*! ./base */ "../../node_modules/elliptic/lib/elliptic/curve/base.js"); curve.short = __webpack_require__(/*! ./short */ "../../node_modules/elliptic/lib/elliptic/curve/short.js"); curve.mont = __webpack_require__(/*! ./mont */ "../../node_modules/elliptic/lib/elliptic/curve/mont.js"); curve.edwards = __webpack_require__(/*! ./edwards */ "../../node_modules/elliptic/lib/elliptic/curve/edwards.js"); /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/curve/mont.js": /*!**************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/curve/mont.js ***! \**************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); var Base = __webpack_require__(/*! ./base */ "../../node_modules/elliptic/lib/elliptic/curve/base.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); function MontCurve(conf) { Base.call(this, 'mont', conf); this.a = new BN(conf.a, 16).toRed(this.red); this.b = new BN(conf.b, 16).toRed(this.red); this.i4 = new BN(4).toRed(this.red).redInvm(); this.two = new BN(2).toRed(this.red); this.a24 = this.i4.redMul(this.a.redAdd(this.two)); } inherits(MontCurve, Base); module.exports = MontCurve; MontCurve.prototype.validate = function validate(point) { var x = point.normalize().x; var x2 = x.redSqr(); var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x); var y = rhs.redSqrt(); return y.redSqr().cmp(rhs) === 0; }; function Point(curve, x, z) { Base.BasePoint.call(this, curve, 'projective'); if (x === null && z === null) { this.x = this.curve.one; this.z = this.curve.zero; } else { this.x = new BN(x, 16); this.z = new BN(z, 16); if (!this.x.red) this.x = this.x.toRed(this.curve.red); if (!this.z.red) this.z = this.z.toRed(this.curve.red); } } inherits(Point, Base.BasePoint); MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) { return this.point(utils.toArray(bytes, enc), 1); }; MontCurve.prototype.point = function point(x, z) { return new Point(this, x, z); }; MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) { return Point.fromJSON(this, obj); }; Point.prototype.precompute = function precompute() { // No-op }; Point.prototype._encode = function _encode() { return this.getX().toArray('be', this.curve.p.byteLength()); }; Point.fromJSON = function fromJSON(curve, obj) { return new Point(curve, obj[0], obj[1] || curve.one); }; Point.prototype.inspect = function inspect() { if (this.isInfinity()) return ''; return ''; }; Point.prototype.isInfinity = function isInfinity() { // XXX This code assumes that zero is always zero in red return this.z.cmpn(0) === 0; }; Point.prototype.dbl = function dbl() { // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3 // 2M + 2S + 4A // A = X1 + Z1 var a = this.x.redAdd(this.z); // AA = A^2 var aa = a.redSqr(); // B = X1 - Z1 var b = this.x.redSub(this.z); // BB = B^2 var bb = b.redSqr(); // C = AA - BB var c = aa.redSub(bb); // X3 = AA * BB var nx = aa.redMul(bb); // Z3 = C * (BB + A24 * C) var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c))); return this.curve.point(nx, nz); }; Point.prototype.add = function add() { throw new Error('Not supported on Montgomery curve'); }; Point.prototype.diffAdd = function diffAdd(p, diff) { // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3 // 4M + 2S + 6A // A = X2 + Z2 var a = this.x.redAdd(this.z); // B = X2 - Z2 var b = this.x.redSub(this.z); // C = X3 + Z3 var c = p.x.redAdd(p.z); // D = X3 - Z3 var d = p.x.redSub(p.z); // DA = D * A var da = d.redMul(a); // CB = C * B var cb = c.redMul(b); // X5 = Z1 * (DA + CB)^2 var nx = diff.z.redMul(da.redAdd(cb).redSqr()); // Z5 = X1 * (DA - CB)^2 var nz = diff.x.redMul(da.redISub(cb).redSqr()); return this.curve.point(nx, nz); }; Point.prototype.mul = function mul(k) { var t = k.clone(); var a = this; // (N / 2) * Q + Q var b = this.curve.point(null, null); // (N / 2) * Q var c = this; // Q for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1)) bits.push(t.andln(1)); for (var i = bits.length - 1; i >= 0; i--) { if (bits[i] === 0) { // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q a = a.diffAdd(b, c); // N * Q = 2 * ((N / 2) * Q + Q)) b = b.dbl(); } else { // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q) b = a.diffAdd(b, c); // N * Q + Q = 2 * ((N / 2) * Q + Q) a = a.dbl(); } } return b; }; Point.prototype.mulAdd = function mulAdd() { throw new Error('Not supported on Montgomery curve'); }; Point.prototype.jumlAdd = function jumlAdd() { throw new Error('Not supported on Montgomery curve'); }; Point.prototype.eq = function eq(other) { return this.getX().cmp(other.getX()) === 0; }; Point.prototype.normalize = function normalize() { this.x = this.x.redMul(this.z.redInvm()); this.z = this.curve.one; return this; }; Point.prototype.getX = function getX() { // Normalize coordinates this.normalize(); return this.x.fromRed(); }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/curve/short.js": /*!***************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/curve/short.js ***! \***************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); var Base = __webpack_require__(/*! ./base */ "../../node_modules/elliptic/lib/elliptic/curve/base.js"); var assert = utils.assert; function ShortCurve(conf) { Base.call(this, 'short', conf); this.a = new BN(conf.a, 16).toRed(this.red); this.b = new BN(conf.b, 16).toRed(this.red); this.tinv = this.two.redInvm(); this.zeroA = this.a.fromRed().cmpn(0) === 0; this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0; // If the curve is endomorphic, precalculate beta and lambda this.endo = this._getEndomorphism(conf); this._endoWnafT1 = new Array(4); this._endoWnafT2 = new Array(4); } inherits(ShortCurve, Base); module.exports = ShortCurve; ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) { // No efficient endomorphism if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1) return; // Compute beta and lambda, that lambda * P = (beta * Px; Py) var beta; var lambda; if (conf.beta) { beta = new BN(conf.beta, 16).toRed(this.red); } else { var betas = this._getEndoRoots(this.p); // Choose the smallest beta beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1]; beta = beta.toRed(this.red); } if (conf.lambda) { lambda = new BN(conf.lambda, 16); } else { // Choose the lambda that is matching selected beta var lambdas = this._getEndoRoots(this.n); if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) { lambda = lambdas[0]; } else { lambda = lambdas[1]; assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0); } } // Get basis vectors, used for balanced length-two representation var basis; if (conf.basis) { basis = conf.basis.map(function(vec) { return { a: new BN(vec.a, 16), b: new BN(vec.b, 16), }; }); } else { basis = this._getEndoBasis(lambda); } return { beta: beta, lambda: lambda, basis: basis, }; }; ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) { // Find roots of for x^2 + x + 1 in F // Root = (-1 +- Sqrt(-3)) / 2 // var red = num === this.p ? this.red : BN.mont(num); var tinv = new BN(2).toRed(red).redInvm(); var ntinv = tinv.redNeg(); var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv); var l1 = ntinv.redAdd(s).fromRed(); var l2 = ntinv.redSub(s).fromRed(); return [ l1, l2 ]; }; ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) { // aprxSqrt >= sqrt(this.n) var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2)); // 3.74 // Run EGCD, until r(L + 1) < aprxSqrt var u = lambda; var v = this.n.clone(); var x1 = new BN(1); var y1 = new BN(0); var x2 = new BN(0); var y2 = new BN(1); // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n) var a0; var b0; // First vector var a1; var b1; // Second vector var a2; var b2; var prevR; var i = 0; var r; var x; while (u.cmpn(0) !== 0) { var q = v.div(u); r = v.sub(q.mul(u)); x = x2.sub(q.mul(x1)); var y = y2.sub(q.mul(y1)); if (!a1 && r.cmp(aprxSqrt) < 0) { a0 = prevR.neg(); b0 = x1; a1 = r.neg(); b1 = x; } else if (a1 && ++i === 2) { break; } prevR = r; v = u; u = r; x2 = x1; x1 = x; y2 = y1; y1 = y; } a2 = r.neg(); b2 = x; var len1 = a1.sqr().add(b1.sqr()); var len2 = a2.sqr().add(b2.sqr()); if (len2.cmp(len1) >= 0) { a2 = a0; b2 = b0; } // Normalize signs if (a1.negative) { a1 = a1.neg(); b1 = b1.neg(); } if (a2.negative) { a2 = a2.neg(); b2 = b2.neg(); } return [ { a: a1, b: b1 }, { a: a2, b: b2 }, ]; }; ShortCurve.prototype._endoSplit = function _endoSplit(k) { var basis = this.endo.basis; var v1 = basis[0]; var v2 = basis[1]; var c1 = v2.b.mul(k).divRound(this.n); var c2 = v1.b.neg().mul(k).divRound(this.n); var p1 = c1.mul(v1.a); var p2 = c2.mul(v2.a); var q1 = c1.mul(v1.b); var q2 = c2.mul(v2.b); // Calculate answer var k1 = k.sub(p1).sub(p2); var k2 = q1.add(q2).neg(); return { k1: k1, k2: k2 }; }; ShortCurve.prototype.pointFromX = function pointFromX(x, odd) { x = new BN(x, 16); if (!x.red) x = x.toRed(this.red); var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b); var y = y2.redSqrt(); if (y.redSqr().redSub(y2).cmp(this.zero) !== 0) throw new Error('invalid point'); // XXX Is there any way to tell if the number is odd without converting it // to non-red form? var isOdd = y.fromRed().isOdd(); if (odd && !isOdd || !odd && isOdd) y = y.redNeg(); return this.point(x, y); }; ShortCurve.prototype.validate = function validate(point) { if (point.inf) return true; var x = point.x; var y = point.y; var ax = this.a.redMul(x); var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b); return y.redSqr().redISub(rhs).cmpn(0) === 0; }; ShortCurve.prototype._endoWnafMulAdd = function _endoWnafMulAdd(points, coeffs, jacobianResult) { var npoints = this._endoWnafT1; var ncoeffs = this._endoWnafT2; for (var i = 0; i < points.length; i++) { var split = this._endoSplit(coeffs[i]); var p = points[i]; var beta = p._getBeta(); if (split.k1.negative) { split.k1.ineg(); p = p.neg(true); } if (split.k2.negative) { split.k2.ineg(); beta = beta.neg(true); } npoints[i * 2] = p; npoints[i * 2 + 1] = beta; ncoeffs[i * 2] = split.k1; ncoeffs[i * 2 + 1] = split.k2; } var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult); // Clean-up references to points and coefficients for (var j = 0; j < i * 2; j++) { npoints[j] = null; ncoeffs[j] = null; } return res; }; function Point(curve, x, y, isRed) { Base.BasePoint.call(this, curve, 'affine'); if (x === null && y === null) { this.x = null; this.y = null; this.inf = true; } else { this.x = new BN(x, 16); this.y = new BN(y, 16); // Force redgomery representation when loading from JSON if (isRed) { this.x.forceRed(this.curve.red); this.y.forceRed(this.curve.red); } if (!this.x.red) this.x = this.x.toRed(this.curve.red); if (!this.y.red) this.y = this.y.toRed(this.curve.red); this.inf = false; } } inherits(Point, Base.BasePoint); ShortCurve.prototype.point = function point(x, y, isRed) { return new Point(this, x, y, isRed); }; ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) { return Point.fromJSON(this, obj, red); }; Point.prototype._getBeta = function _getBeta() { if (!this.curve.endo) return; var pre = this.precomputed; if (pre && pre.beta) return pre.beta; var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y); if (pre) { var curve = this.curve; var endoMul = function(p) { return curve.point(p.x.redMul(curve.endo.beta), p.y); }; pre.beta = beta; beta.precomputed = { beta: null, naf: pre.naf && { wnd: pre.naf.wnd, points: pre.naf.points.map(endoMul), }, doubles: pre.doubles && { step: pre.doubles.step, points: pre.doubles.points.map(endoMul), }, }; } return beta; }; Point.prototype.toJSON = function toJSON() { if (!this.precomputed) return [ this.x, this.y ]; return [ this.x, this.y, this.precomputed && { doubles: this.precomputed.doubles && { step: this.precomputed.doubles.step, points: this.precomputed.doubles.points.slice(1), }, naf: this.precomputed.naf && { wnd: this.precomputed.naf.wnd, points: this.precomputed.naf.points.slice(1), }, } ]; }; Point.fromJSON = function fromJSON(curve, obj, red) { if (typeof obj === 'string') obj = JSON.parse(obj); var res = curve.point(obj[0], obj[1], red); if (!obj[2]) return res; function obj2point(obj) { return curve.point(obj[0], obj[1], red); } var pre = obj[2]; res.precomputed = { beta: null, doubles: pre.doubles && { step: pre.doubles.step, points: [ res ].concat(pre.doubles.points.map(obj2point)), }, naf: pre.naf && { wnd: pre.naf.wnd, points: [ res ].concat(pre.naf.points.map(obj2point)), }, }; return res; }; Point.prototype.inspect = function inspect() { if (this.isInfinity()) return ''; return ''; }; Point.prototype.isInfinity = function isInfinity() { return this.inf; }; Point.prototype.add = function add(p) { // O + P = P if (this.inf) return p; // P + O = P if (p.inf) return this; // P + P = 2P if (this.eq(p)) return this.dbl(); // P + (-P) = O if (this.neg().eq(p)) return this.curve.point(null, null); // P + Q = O if (this.x.cmp(p.x) === 0) return this.curve.point(null, null); var c = this.y.redSub(p.y); if (c.cmpn(0) !== 0) c = c.redMul(this.x.redSub(p.x).redInvm()); var nx = c.redSqr().redISub(this.x).redISub(p.x); var ny = c.redMul(this.x.redSub(nx)).redISub(this.y); return this.curve.point(nx, ny); }; Point.prototype.dbl = function dbl() { if (this.inf) return this; // 2P = O var ys1 = this.y.redAdd(this.y); if (ys1.cmpn(0) === 0) return this.curve.point(null, null); var a = this.curve.a; var x2 = this.x.redSqr(); var dyinv = ys1.redInvm(); var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv); var nx = c.redSqr().redISub(this.x.redAdd(this.x)); var ny = c.redMul(this.x.redSub(nx)).redISub(this.y); return this.curve.point(nx, ny); }; Point.prototype.getX = function getX() { return this.x.fromRed(); }; Point.prototype.getY = function getY() { return this.y.fromRed(); }; Point.prototype.mul = function mul(k) { k = new BN(k, 16); if (this.isInfinity()) return this; else if (this._hasDoubles(k)) return this.curve._fixedNafMul(this, k); else if (this.curve.endo) return this.curve._endoWnafMulAdd([ this ], [ k ]); else return this.curve._wnafMul(this, k); }; Point.prototype.mulAdd = function mulAdd(k1, p2, k2) { var points = [ this, p2 ]; var coeffs = [ k1, k2 ]; if (this.curve.endo) return this.curve._endoWnafMulAdd(points, coeffs); else return this.curve._wnafMulAdd(1, points, coeffs, 2); }; Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) { var points = [ this, p2 ]; var coeffs = [ k1, k2 ]; if (this.curve.endo) return this.curve._endoWnafMulAdd(points, coeffs, true); else return this.curve._wnafMulAdd(1, points, coeffs, 2, true); }; Point.prototype.eq = function eq(p) { return this === p || this.inf === p.inf && (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0); }; Point.prototype.neg = function neg(_precompute) { if (this.inf) return this; var res = this.curve.point(this.x, this.y.redNeg()); if (_precompute && this.precomputed) { var pre = this.precomputed; var negate = function(p) { return p.neg(); }; res.precomputed = { naf: pre.naf && { wnd: pre.naf.wnd, points: pre.naf.points.map(negate), }, doubles: pre.doubles && { step: pre.doubles.step, points: pre.doubles.points.map(negate), }, }; } return res; }; Point.prototype.toJ = function toJ() { if (this.inf) return this.curve.jpoint(null, null, null); var res = this.curve.jpoint(this.x, this.y, this.curve.one); return res; }; function JPoint(curve, x, y, z) { Base.BasePoint.call(this, curve, 'jacobian'); if (x === null && y === null && z === null) { this.x = this.curve.one; this.y = this.curve.one; this.z = new BN(0); } else { this.x = new BN(x, 16); this.y = new BN(y, 16); this.z = new BN(z, 16); } if (!this.x.red) this.x = this.x.toRed(this.curve.red); if (!this.y.red) this.y = this.y.toRed(this.curve.red); if (!this.z.red) this.z = this.z.toRed(this.curve.red); this.zOne = this.z === this.curve.one; } inherits(JPoint, Base.BasePoint); ShortCurve.prototype.jpoint = function jpoint(x, y, z) { return new JPoint(this, x, y, z); }; JPoint.prototype.toP = function toP() { if (this.isInfinity()) return this.curve.point(null, null); var zinv = this.z.redInvm(); var zinv2 = zinv.redSqr(); var ax = this.x.redMul(zinv2); var ay = this.y.redMul(zinv2).redMul(zinv); return this.curve.point(ax, ay); }; JPoint.prototype.neg = function neg() { return this.curve.jpoint(this.x, this.y.redNeg(), this.z); }; JPoint.prototype.add = function add(p) { // O + P = P if (this.isInfinity()) return p; // P + O = P if (p.isInfinity()) return this; // 12M + 4S + 7A var pz2 = p.z.redSqr(); var z2 = this.z.redSqr(); var u1 = this.x.redMul(pz2); var u2 = p.x.redMul(z2); var s1 = this.y.redMul(pz2.redMul(p.z)); var s2 = p.y.redMul(z2.redMul(this.z)); var h = u1.redSub(u2); var r = s1.redSub(s2); if (h.cmpn(0) === 0) { if (r.cmpn(0) !== 0) return this.curve.jpoint(null, null, null); else return this.dbl(); } var h2 = h.redSqr(); var h3 = h2.redMul(h); var v = u1.redMul(h2); var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v); var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)); var nz = this.z.redMul(p.z).redMul(h); return this.curve.jpoint(nx, ny, nz); }; JPoint.prototype.mixedAdd = function mixedAdd(p) { // O + P = P if (this.isInfinity()) return p.toJ(); // P + O = P if (p.isInfinity()) return this; // 8M + 3S + 7A var z2 = this.z.redSqr(); var u1 = this.x; var u2 = p.x.redMul(z2); var s1 = this.y; var s2 = p.y.redMul(z2).redMul(this.z); var h = u1.redSub(u2); var r = s1.redSub(s2); if (h.cmpn(0) === 0) { if (r.cmpn(0) !== 0) return this.curve.jpoint(null, null, null); else return this.dbl(); } var h2 = h.redSqr(); var h3 = h2.redMul(h); var v = u1.redMul(h2); var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v); var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)); var nz = this.z.redMul(h); return this.curve.jpoint(nx, ny, nz); }; JPoint.prototype.dblp = function dblp(pow) { if (pow === 0) return this; if (this.isInfinity()) return this; if (!pow) return this.dbl(); var i; if (this.curve.zeroA || this.curve.threeA) { var r = this; for (i = 0; i < pow; i++) r = r.dbl(); return r; } // 1M + 2S + 1A + N * (4S + 5M + 8A) // N = 1 => 6M + 6S + 9A var a = this.curve.a; var tinv = this.curve.tinv; var jx = this.x; var jy = this.y; var jz = this.z; var jz4 = jz.redSqr().redSqr(); // Reuse results var jyd = jy.redAdd(jy); for (i = 0; i < pow; i++) { var jx2 = jx.redSqr(); var jyd2 = jyd.redSqr(); var jyd4 = jyd2.redSqr(); var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)); var t1 = jx.redMul(jyd2); var nx = c.redSqr().redISub(t1.redAdd(t1)); var t2 = t1.redISub(nx); var dny = c.redMul(t2); dny = dny.redIAdd(dny).redISub(jyd4); var nz = jyd.redMul(jz); if (i + 1 < pow) jz4 = jz4.redMul(jyd4); jx = nx; jz = nz; jyd = dny; } return this.curve.jpoint(jx, jyd.redMul(tinv), jz); }; JPoint.prototype.dbl = function dbl() { if (this.isInfinity()) return this; if (this.curve.zeroA) return this._zeroDbl(); else if (this.curve.threeA) return this._threeDbl(); else return this._dbl(); }; JPoint.prototype._zeroDbl = function _zeroDbl() { var nx; var ny; var nz; // Z = 1 if (this.zOne) { // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html // #doubling-mdbl-2007-bl // 1M + 5S + 14A // XX = X1^2 var xx = this.x.redSqr(); // YY = Y1^2 var yy = this.y.redSqr(); // YYYY = YY^2 var yyyy = yy.redSqr(); // S = 2 * ((X1 + YY)^2 - XX - YYYY) var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); s = s.redIAdd(s); // M = 3 * XX + a; a = 0 var m = xx.redAdd(xx).redIAdd(xx); // T = M ^ 2 - 2*S var t = m.redSqr().redISub(s).redISub(s); // 8 * YYYY var yyyy8 = yyyy.redIAdd(yyyy); yyyy8 = yyyy8.redIAdd(yyyy8); yyyy8 = yyyy8.redIAdd(yyyy8); // X3 = T nx = t; // Y3 = M * (S - T) - 8 * YYYY ny = m.redMul(s.redISub(t)).redISub(yyyy8); // Z3 = 2*Y1 nz = this.y.redAdd(this.y); } else { // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html // #doubling-dbl-2009-l // 2M + 5S + 13A // A = X1^2 var a = this.x.redSqr(); // B = Y1^2 var b = this.y.redSqr(); // C = B^2 var c = b.redSqr(); // D = 2 * ((X1 + B)^2 - A - C) var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c); d = d.redIAdd(d); // E = 3 * A var e = a.redAdd(a).redIAdd(a); // F = E^2 var f = e.redSqr(); // 8 * C var c8 = c.redIAdd(c); c8 = c8.redIAdd(c8); c8 = c8.redIAdd(c8); // X3 = F - 2 * D nx = f.redISub(d).redISub(d); // Y3 = E * (D - X3) - 8 * C ny = e.redMul(d.redISub(nx)).redISub(c8); // Z3 = 2 * Y1 * Z1 nz = this.y.redMul(this.z); nz = nz.redIAdd(nz); } return this.curve.jpoint(nx, ny, nz); }; JPoint.prototype._threeDbl = function _threeDbl() { var nx; var ny; var nz; // Z = 1 if (this.zOne) { // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html // #doubling-mdbl-2007-bl // 1M + 5S + 15A // XX = X1^2 var xx = this.x.redSqr(); // YY = Y1^2 var yy = this.y.redSqr(); // YYYY = YY^2 var yyyy = yy.redSqr(); // S = 2 * ((X1 + YY)^2 - XX - YYYY) var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); s = s.redIAdd(s); // M = 3 * XX + a var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a); // T = M^2 - 2 * S var t = m.redSqr().redISub(s).redISub(s); // X3 = T nx = t; // Y3 = M * (S - T) - 8 * YYYY var yyyy8 = yyyy.redIAdd(yyyy); yyyy8 = yyyy8.redIAdd(yyyy8); yyyy8 = yyyy8.redIAdd(yyyy8); ny = m.redMul(s.redISub(t)).redISub(yyyy8); // Z3 = 2 * Y1 nz = this.y.redAdd(this.y); } else { // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b // 3M + 5S // delta = Z1^2 var delta = this.z.redSqr(); // gamma = Y1^2 var gamma = this.y.redSqr(); // beta = X1 * gamma var beta = this.x.redMul(gamma); // alpha = 3 * (X1 - delta) * (X1 + delta) var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta)); alpha = alpha.redAdd(alpha).redIAdd(alpha); // X3 = alpha^2 - 8 * beta var beta4 = beta.redIAdd(beta); beta4 = beta4.redIAdd(beta4); var beta8 = beta4.redAdd(beta4); nx = alpha.redSqr().redISub(beta8); // Z3 = (Y1 + Z1)^2 - gamma - delta nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta); // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2 var ggamma8 = gamma.redSqr(); ggamma8 = ggamma8.redIAdd(ggamma8); ggamma8 = ggamma8.redIAdd(ggamma8); ggamma8 = ggamma8.redIAdd(ggamma8); ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8); } return this.curve.jpoint(nx, ny, nz); }; JPoint.prototype._dbl = function _dbl() { var a = this.curve.a; // 4M + 6S + 10A var jx = this.x; var jy = this.y; var jz = this.z; var jz4 = jz.redSqr().redSqr(); var jx2 = jx.redSqr(); var jy2 = jy.redSqr(); var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)); var jxd4 = jx.redAdd(jx); jxd4 = jxd4.redIAdd(jxd4); var t1 = jxd4.redMul(jy2); var nx = c.redSqr().redISub(t1.redAdd(t1)); var t2 = t1.redISub(nx); var jyd8 = jy2.redSqr(); jyd8 = jyd8.redIAdd(jyd8); jyd8 = jyd8.redIAdd(jyd8); jyd8 = jyd8.redIAdd(jyd8); var ny = c.redMul(t2).redISub(jyd8); var nz = jy.redAdd(jy).redMul(jz); return this.curve.jpoint(nx, ny, nz); }; JPoint.prototype.trpl = function trpl() { if (!this.curve.zeroA) return this.dbl().add(this); // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl // 5M + 10S + ... // XX = X1^2 var xx = this.x.redSqr(); // YY = Y1^2 var yy = this.y.redSqr(); // ZZ = Z1^2 var zz = this.z.redSqr(); // YYYY = YY^2 var yyyy = yy.redSqr(); // M = 3 * XX + a * ZZ2; a = 0 var m = xx.redAdd(xx).redIAdd(xx); // MM = M^2 var mm = m.redSqr(); // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); e = e.redIAdd(e); e = e.redAdd(e).redIAdd(e); e = e.redISub(mm); // EE = E^2 var ee = e.redSqr(); // T = 16*YYYY var t = yyyy.redIAdd(yyyy); t = t.redIAdd(t); t = t.redIAdd(t); t = t.redIAdd(t); // U = (M + E)^2 - MM - EE - T var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t); // X3 = 4 * (X1 * EE - 4 * YY * U) var yyu4 = yy.redMul(u); yyu4 = yyu4.redIAdd(yyu4); yyu4 = yyu4.redIAdd(yyu4); var nx = this.x.redMul(ee).redISub(yyu4); nx = nx.redIAdd(nx); nx = nx.redIAdd(nx); // Y3 = 8 * Y1 * (U * (T - U) - E * EE) var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee))); ny = ny.redIAdd(ny); ny = ny.redIAdd(ny); ny = ny.redIAdd(ny); // Z3 = (Z1 + E)^2 - ZZ - EE var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee); return this.curve.jpoint(nx, ny, nz); }; JPoint.prototype.mul = function mul(k, kbase) { k = new BN(k, kbase); return this.curve._wnafMul(this, k); }; JPoint.prototype.eq = function eq(p) { if (p.type === 'affine') return this.eq(p.toJ()); if (this === p) return true; // x1 * z2^2 == x2 * z1^2 var z2 = this.z.redSqr(); var pz2 = p.z.redSqr(); if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0) return false; // y1 * z2^3 == y2 * z1^3 var z3 = z2.redMul(this.z); var pz3 = pz2.redMul(p.z); return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0; }; JPoint.prototype.eqXToP = function eqXToP(x) { var zs = this.z.redSqr(); var rx = x.toRed(this.curve.red).redMul(zs); if (this.x.cmp(rx) === 0) return true; var xc = x.clone(); var t = this.curve.redN.redMul(zs); for (;;) { xc.iadd(this.curve.n); if (xc.cmp(this.curve.p) >= 0) return false; rx.redIAdd(t); if (this.x.cmp(rx) === 0) return true; } }; JPoint.prototype.inspect = function inspect() { if (this.isInfinity()) return ''; return ''; }; JPoint.prototype.isInfinity = function isInfinity() { // XXX This code assumes that zero is always zero in red return this.z.cmpn(0) === 0; }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/curves.js": /*!**********************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/curves.js ***! \**********************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var curves = exports; var hash = __webpack_require__(/*! hash.js */ "../../node_modules/hash.js/lib/hash.js"); var curve = __webpack_require__(/*! ./curve */ "../../node_modules/elliptic/lib/elliptic/curve/index.js"); var utils = __webpack_require__(/*! ./utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var assert = utils.assert; function PresetCurve(options) { if (options.type === 'short') this.curve = new curve.short(options); else if (options.type === 'edwards') this.curve = new curve.edwards(options); else this.curve = new curve.mont(options); this.g = this.curve.g; this.n = this.curve.n; this.hash = options.hash; assert(this.g.validate(), 'Invalid curve'); assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O'); } curves.PresetCurve = PresetCurve; function defineCurve(name, options) { Object.defineProperty(curves, name, { configurable: true, enumerable: true, get: function() { var curve = new PresetCurve(options); Object.defineProperty(curves, name, { configurable: true, enumerable: true, value: curve, }); return curve; }, }); } defineCurve('p192', { type: 'short', prime: 'p192', p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff', a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc', b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1', n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831', hash: hash.sha256, gRed: false, g: [ '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012', '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811', ], }); defineCurve('p224', { type: 'short', prime: 'p224', p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001', a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe', b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4', n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d', hash: hash.sha256, gRed: false, g: [ 'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21', 'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34', ], }); defineCurve('p256', { type: 'short', prime: null, p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff', a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc', b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b', n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551', hash: hash.sha256, gRed: false, g: [ '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296', '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5', ], }); defineCurve('p384', { type: 'short', prime: null, p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'fffffffe ffffffff 00000000 00000000 ffffffff', a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'fffffffe ffffffff 00000000 00000000 fffffffc', b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' + '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef', n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' + 'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973', hash: hash.sha384, gRed: false, g: [ 'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' + '5502f25d bf55296c 3a545e38 72760ab7', '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' + '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f', ], }); defineCurve('p521', { type: 'short', prime: null, p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'ffffffff ffffffff ffffffff ffffffff ffffffff', a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'ffffffff ffffffff ffffffff ffffffff fffffffc', b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' + '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' + '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00', n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + 'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' + 'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409', hash: hash.sha512, gRed: false, g: [ '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' + '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' + 'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66', '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' + '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' + '3fad0761 353c7086 a272c240 88be9476 9fd16650', ], }); defineCurve('curve25519', { type: 'mont', prime: 'p25519', p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed', a: '76d06', b: '1', n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed', hash: hash.sha256, gRed: false, g: [ '9', ], }); defineCurve('ed25519', { type: 'edwards', prime: 'p25519', p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed', a: '-1', c: '1', // -121665 * (121666^(-1)) (mod P) d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3', n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed', hash: hash.sha256, gRed: false, g: [ '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a', // 4/5 '6666666666666666666666666666666666666666666666666666666666666658', ], }); var pre; try { pre = __webpack_require__(/*! ./precomputed/secp256k1 */ "../../node_modules/elliptic/lib/elliptic/precomputed/secp256k1.js"); } catch (e) { pre = undefined; } defineCurve('secp256k1', { type: 'short', prime: 'k256', p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f', a: '0', b: '7', n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141', h: '1', hash: hash.sha256, // Precomputed endomorphism beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee', lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72', basis: [ { a: '3086d221a7d46bcde86c90e49284eb15', b: '-e4437ed6010e88286f547fa90abfe4c3', }, { a: '114ca50f7a8e2f3f657c1108d9d44cfd8', b: '3086d221a7d46bcde86c90e49284eb15', }, ], gRed: false, g: [ '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798', '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8', pre, ], }); /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/ec/index.js": /*!************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/ec/index.js ***! \************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var HmacDRBG = __webpack_require__(/*! hmac-drbg */ "../../node_modules/hmac-drbg/lib/hmac-drbg.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var curves = __webpack_require__(/*! ../curves */ "../../node_modules/elliptic/lib/elliptic/curves.js"); var rand = __webpack_require__(/*! brorand */ "../../node_modules/brorand/index.js"); var assert = utils.assert; var KeyPair = __webpack_require__(/*! ./key */ "../../node_modules/elliptic/lib/elliptic/ec/key.js"); var Signature = __webpack_require__(/*! ./signature */ "../../node_modules/elliptic/lib/elliptic/ec/signature.js"); function EC(options) { if (!(this instanceof EC)) return new EC(options); // Shortcut `elliptic.ec(curve-name)` if (typeof options === 'string') { assert(Object.prototype.hasOwnProperty.call(curves, options), 'Unknown curve ' + options); options = curves[options]; } // Shortcut for `elliptic.ec(elliptic.curves.curveName)` if (options instanceof curves.PresetCurve) options = { curve: options }; this.curve = options.curve.curve; this.n = this.curve.n; this.nh = this.n.ushrn(1); this.g = this.curve.g; // Point on curve this.g = options.curve.g; this.g.precompute(options.curve.n.bitLength() + 1); // Hash for function for DRBG this.hash = options.hash || options.curve.hash; } module.exports = EC; EC.prototype.keyPair = function keyPair(options) { return new KeyPair(this, options); }; EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) { return KeyPair.fromPrivate(this, priv, enc); }; EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) { return KeyPair.fromPublic(this, pub, enc); }; EC.prototype.genKeyPair = function genKeyPair(options) { if (!options) options = {}; // Instantiate Hmac_DRBG var drbg = new HmacDRBG({ hash: this.hash, pers: options.pers, persEnc: options.persEnc || 'utf8', entropy: options.entropy || rand(this.hash.hmacStrength), entropyEnc: options.entropy && options.entropyEnc || 'utf8', nonce: this.n.toArray(), }); var bytes = this.n.byteLength(); var ns2 = this.n.sub(new BN(2)); for (;;) { var priv = new BN(drbg.generate(bytes)); if (priv.cmp(ns2) > 0) continue; priv.iaddn(1); return this.keyFromPrivate(priv); } }; EC.prototype._truncateToN = function _truncateToN(msg, truncOnly) { var delta = msg.byteLength() * 8 - this.n.bitLength(); if (delta > 0) msg = msg.ushrn(delta); if (!truncOnly && msg.cmp(this.n) >= 0) return msg.sub(this.n); else return msg; }; EC.prototype.sign = function sign(msg, key, enc, options) { if (typeof enc === 'object') { options = enc; enc = null; } if (!options) options = {}; key = this.keyFromPrivate(key, enc); msg = this._truncateToN(new BN(msg, 16)); // Zero-extend key to provide enough entropy var bytes = this.n.byteLength(); var bkey = key.getPrivate().toArray('be', bytes); // Zero-extend nonce to have the same byte size as N var nonce = msg.toArray('be', bytes); // Instantiate Hmac_DRBG var drbg = new HmacDRBG({ hash: this.hash, entropy: bkey, nonce: nonce, pers: options.pers, persEnc: options.persEnc || 'utf8', }); // Number of bytes to generate var ns1 = this.n.sub(new BN(1)); for (var iter = 0; ; iter++) { var k = options.k ? options.k(iter) : new BN(drbg.generate(this.n.byteLength())); k = this._truncateToN(k, true); if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0) continue; var kp = this.g.mul(k); if (kp.isInfinity()) continue; var kpX = kp.getX(); var r = kpX.umod(this.n); if (r.cmpn(0) === 0) continue; var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg)); s = s.umod(this.n); if (s.cmpn(0) === 0) continue; var recoveryParam = (kp.getY().isOdd() ? 1 : 0) | (kpX.cmp(r) !== 0 ? 2 : 0); // Use complement of `s`, if it is > `n / 2` if (options.canonical && s.cmp(this.nh) > 0) { s = this.n.sub(s); recoveryParam ^= 1; } return new Signature({ r: r, s: s, recoveryParam: recoveryParam }); } }; EC.prototype.verify = function verify(msg, signature, key, enc) { msg = this._truncateToN(new BN(msg, 16)); key = this.keyFromPublic(key, enc); signature = new Signature(signature, 'hex'); // Perform primitive values validation var r = signature.r; var s = signature.s; if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0) return false; if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0) return false; // Validate signature var sinv = s.invm(this.n); var u1 = sinv.mul(msg).umod(this.n); var u2 = sinv.mul(r).umod(this.n); var p; if (!this.curve._maxwellTrick) { p = this.g.mulAdd(u1, key.getPublic(), u2); if (p.isInfinity()) return false; return p.getX().umod(this.n).cmp(r) === 0; } // NOTE: Greg Maxwell's trick, inspired by: // https://git.io/vad3K p = this.g.jmulAdd(u1, key.getPublic(), u2); if (p.isInfinity()) return false; // Compare `p.x` of Jacobian point with `r`, // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the // inverse of `p.z^2` return p.eqXToP(r); }; EC.prototype.recoverPubKey = function(msg, signature, j, enc) { assert((3 & j) === j, 'The recovery param is more than two bits'); signature = new Signature(signature, enc); var n = this.n; var e = new BN(msg); var r = signature.r; var s = signature.s; // A set LSB signifies that the y-coordinate is odd var isYOdd = j & 1; var isSecondKey = j >> 1; if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey) throw new Error('Unable to find sencond key candinate'); // 1.1. Let x = r + jn. if (isSecondKey) r = this.curve.pointFromX(r.add(this.curve.n), isYOdd); else r = this.curve.pointFromX(r, isYOdd); var rInv = signature.r.invm(n); var s1 = n.sub(e).mul(rInv).umod(n); var s2 = s.mul(rInv).umod(n); // 1.6.1 Compute Q = r^-1 (sR - eG) // Q = r^-1 (sR + -eG) return this.g.mulAdd(s1, r, s2); }; EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) { signature = new Signature(signature, enc); if (signature.recoveryParam !== null) return signature.recoveryParam; for (var i = 0; i < 4; i++) { var Qprime; try { Qprime = this.recoverPubKey(e, signature, i); } catch (e) { continue; } if (Qprime.eq(Q)) return i; } throw new Error('Unable to find valid recovery factor'); }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/ec/key.js": /*!**********************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/ec/key.js ***! \**********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var assert = utils.assert; function KeyPair(ec, options) { this.ec = ec; this.priv = null; this.pub = null; // KeyPair(ec, { priv: ..., pub: ... }) if (options.priv) this._importPrivate(options.priv, options.privEnc); if (options.pub) this._importPublic(options.pub, options.pubEnc); } module.exports = KeyPair; KeyPair.fromPublic = function fromPublic(ec, pub, enc) { if (pub instanceof KeyPair) return pub; return new KeyPair(ec, { pub: pub, pubEnc: enc, }); }; KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) { if (priv instanceof KeyPair) return priv; return new KeyPair(ec, { priv: priv, privEnc: enc, }); }; KeyPair.prototype.validate = function validate() { var pub = this.getPublic(); if (pub.isInfinity()) return { result: false, reason: 'Invalid public key' }; if (!pub.validate()) return { result: false, reason: 'Public key is not a point' }; if (!pub.mul(this.ec.curve.n).isInfinity()) return { result: false, reason: 'Public key * N != O' }; return { result: true, reason: null }; }; KeyPair.prototype.getPublic = function getPublic(compact, enc) { // compact is optional argument if (typeof compact === 'string') { enc = compact; compact = null; } if (!this.pub) this.pub = this.ec.g.mul(this.priv); if (!enc) return this.pub; return this.pub.encode(enc, compact); }; KeyPair.prototype.getPrivate = function getPrivate(enc) { if (enc === 'hex') return this.priv.toString(16, 2); else return this.priv; }; KeyPair.prototype._importPrivate = function _importPrivate(key, enc) { this.priv = new BN(key, enc || 16); // Ensure that the priv won't be bigger than n, otherwise we may fail // in fixed multiplication method this.priv = this.priv.umod(this.ec.curve.n); }; KeyPair.prototype._importPublic = function _importPublic(key, enc) { if (key.x || key.y) { // Montgomery points only have an `x` coordinate. // Weierstrass/Edwards points on the other hand have both `x` and // `y` coordinates. if (this.ec.curve.type === 'mont') { assert(key.x, 'Need x coordinate'); } else if (this.ec.curve.type === 'short' || this.ec.curve.type === 'edwards') { assert(key.x && key.y, 'Need both x and y coordinate'); } this.pub = this.ec.curve.point(key.x, key.y); return; } this.pub = this.ec.curve.decodePoint(key, enc); }; // ECDH KeyPair.prototype.derive = function derive(pub) { if(!pub.validate()) { assert(pub.validate(), 'public point not validated'); } return pub.mul(this.priv).getX(); }; // ECDSA KeyPair.prototype.sign = function sign(msg, enc, options) { return this.ec.sign(msg, this, enc, options); }; KeyPair.prototype.verify = function verify(msg, signature) { return this.ec.verify(msg, signature, this); }; KeyPair.prototype.inspect = function inspect() { return ''; }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/ec/signature.js": /*!****************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/ec/signature.js ***! \****************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var assert = utils.assert; function Signature(options, enc) { if (options instanceof Signature) return options; if (this._importDER(options, enc)) return; assert(options.r && options.s, 'Signature without r or s'); this.r = new BN(options.r, 16); this.s = new BN(options.s, 16); if (options.recoveryParam === undefined) this.recoveryParam = null; else this.recoveryParam = options.recoveryParam; } module.exports = Signature; function Position() { this.place = 0; } function getLength(buf, p) { var initial = buf[p.place++]; if (!(initial & 0x80)) { return initial; } var octetLen = initial & 0xf; // Indefinite length or overflow if (octetLen === 0 || octetLen > 4) { return false; } var val = 0; for (var i = 0, off = p.place; i < octetLen; i++, off++) { val <<= 8; val |= buf[off]; val >>>= 0; } // Leading zeroes if (val <= 0x7f) { return false; } p.place = off; return val; } function rmPadding(buf) { var i = 0; var len = buf.length - 1; while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) { i++; } if (i === 0) { return buf; } return buf.slice(i); } Signature.prototype._importDER = function _importDER(data, enc) { data = utils.toArray(data, enc); var p = new Position(); if (data[p.place++] !== 0x30) { return false; } var len = getLength(data, p); if (len === false) { return false; } if ((len + p.place) !== data.length) { return false; } if (data[p.place++] !== 0x02) { return false; } var rlen = getLength(data, p); if (rlen === false) { return false; } var r = data.slice(p.place, rlen + p.place); p.place += rlen; if (data[p.place++] !== 0x02) { return false; } var slen = getLength(data, p); if (slen === false) { return false; } if (data.length !== slen + p.place) { return false; } var s = data.slice(p.place, slen + p.place); if (r[0] === 0) { if (r[1] & 0x80) { r = r.slice(1); } else { // Leading zeroes return false; } } if (s[0] === 0) { if (s[1] & 0x80) { s = s.slice(1); } else { // Leading zeroes return false; } } this.r = new BN(r); this.s = new BN(s); this.recoveryParam = null; return true; }; function constructLength(arr, len) { if (len < 0x80) { arr.push(len); return; } var octets = 1 + (Math.log(len) / Math.LN2 >>> 3); arr.push(octets | 0x80); while (--octets) { arr.push((len >>> (octets << 3)) & 0xff); } arr.push(len); } Signature.prototype.toDER = function toDER(enc) { var r = this.r.toArray(); var s = this.s.toArray(); // Pad values if (r[0] & 0x80) r = [ 0 ].concat(r); // Pad values if (s[0] & 0x80) s = [ 0 ].concat(s); r = rmPadding(r); s = rmPadding(s); while (!s[0] && !(s[1] & 0x80)) { s = s.slice(1); } var arr = [ 0x02 ]; constructLength(arr, r.length); arr = arr.concat(r); arr.push(0x02); constructLength(arr, s.length); var backHalf = arr.concat(s); var res = [ 0x30 ]; constructLength(res, backHalf.length); res = res.concat(backHalf); return utils.encode(res, enc); }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/eddsa/index.js": /*!***************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/eddsa/index.js ***! \***************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var hash = __webpack_require__(/*! hash.js */ "../../node_modules/hash.js/lib/hash.js"); var curves = __webpack_require__(/*! ../curves */ "../../node_modules/elliptic/lib/elliptic/curves.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var assert = utils.assert; var parseBytes = utils.parseBytes; var KeyPair = __webpack_require__(/*! ./key */ "../../node_modules/elliptic/lib/elliptic/eddsa/key.js"); var Signature = __webpack_require__(/*! ./signature */ "../../node_modules/elliptic/lib/elliptic/eddsa/signature.js"); function EDDSA(curve) { assert(curve === 'ed25519', 'only tested with ed25519 so far'); if (!(this instanceof EDDSA)) return new EDDSA(curve); curve = curves[curve].curve; this.curve = curve; this.g = curve.g; this.g.precompute(curve.n.bitLength() + 1); this.pointClass = curve.point().constructor; this.encodingLength = Math.ceil(curve.n.bitLength() / 8); this.hash = hash.sha512; } module.exports = EDDSA; /** * @param {Array|String} message - message bytes * @param {Array|String|KeyPair} secret - secret bytes or a keypair * @returns {Signature} - signature */ EDDSA.prototype.sign = function sign(message, secret) { message = parseBytes(message); var key = this.keyFromSecret(secret); var r = this.hashInt(key.messagePrefix(), message); var R = this.g.mul(r); var Rencoded = this.encodePoint(R); var s_ = this.hashInt(Rencoded, key.pubBytes(), message) .mul(key.priv()); var S = r.add(s_).umod(this.curve.n); return this.makeSignature({ R: R, S: S, Rencoded: Rencoded }); }; /** * @param {Array} message - message bytes * @param {Array|String|Signature} sig - sig bytes * @param {Array|String|Point|KeyPair} pub - public key * @returns {Boolean} - true if public key matches sig of message */ EDDSA.prototype.verify = function verify(message, sig, pub) { message = parseBytes(message); sig = this.makeSignature(sig); var key = this.keyFromPublic(pub); var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message); var SG = this.g.mul(sig.S()); var RplusAh = sig.R().add(key.pub().mul(h)); return RplusAh.eq(SG); }; EDDSA.prototype.hashInt = function hashInt() { var hash = this.hash(); for (var i = 0; i < arguments.length; i++) hash.update(arguments[i]); return utils.intFromLE(hash.digest()).umod(this.curve.n); }; EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) { return KeyPair.fromPublic(this, pub); }; EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) { return KeyPair.fromSecret(this, secret); }; EDDSA.prototype.makeSignature = function makeSignature(sig) { if (sig instanceof Signature) return sig; return new Signature(this, sig); }; /** * * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2 * * EDDSA defines methods for encoding and decoding points and integers. These are * helper convenience methods, that pass along to utility functions implied * parameters. * */ EDDSA.prototype.encodePoint = function encodePoint(point) { var enc = point.getY().toArray('le', this.encodingLength); enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0; return enc; }; EDDSA.prototype.decodePoint = function decodePoint(bytes) { bytes = utils.parseBytes(bytes); var lastIx = bytes.length - 1; var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80); var xIsOdd = (bytes[lastIx] & 0x80) !== 0; var y = utils.intFromLE(normed); return this.curve.pointFromY(y, xIsOdd); }; EDDSA.prototype.encodeInt = function encodeInt(num) { return num.toArray('le', this.encodingLength); }; EDDSA.prototype.decodeInt = function decodeInt(bytes) { return utils.intFromLE(bytes); }; EDDSA.prototype.isPoint = function isPoint(val) { return val instanceof this.pointClass; }; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/eddsa/key.js": /*!*************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/eddsa/key.js ***! \*************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var assert = utils.assert; var parseBytes = utils.parseBytes; var cachedProperty = utils.cachedProperty; /** * @param {EDDSA} eddsa - instance * @param {Object} params - public/private key parameters * * @param {Array} [params.secret] - secret seed bytes * @param {Point} [params.pub] - public key point (aka `A` in eddsa terms) * @param {Array} [params.pub] - public key point encoded as bytes * */ function KeyPair(eddsa, params) { this.eddsa = eddsa; this._secret = parseBytes(params.secret); if (eddsa.isPoint(params.pub)) this._pub = params.pub; else this._pubBytes = parseBytes(params.pub); } KeyPair.fromPublic = function fromPublic(eddsa, pub) { if (pub instanceof KeyPair) return pub; return new KeyPair(eddsa, { pub: pub }); }; KeyPair.fromSecret = function fromSecret(eddsa, secret) { if (secret instanceof KeyPair) return secret; return new KeyPair(eddsa, { secret: secret }); }; KeyPair.prototype.secret = function secret() { return this._secret; }; cachedProperty(KeyPair, 'pubBytes', function pubBytes() { return this.eddsa.encodePoint(this.pub()); }); cachedProperty(KeyPair, 'pub', function pub() { if (this._pubBytes) return this.eddsa.decodePoint(this._pubBytes); return this.eddsa.g.mul(this.priv()); }); cachedProperty(KeyPair, 'privBytes', function privBytes() { var eddsa = this.eddsa; var hash = this.hash(); var lastIx = eddsa.encodingLength - 1; var a = hash.slice(0, eddsa.encodingLength); a[0] &= 248; a[lastIx] &= 127; a[lastIx] |= 64; return a; }); cachedProperty(KeyPair, 'priv', function priv() { return this.eddsa.decodeInt(this.privBytes()); }); cachedProperty(KeyPair, 'hash', function hash() { return this.eddsa.hash().update(this.secret()).digest(); }); cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() { return this.hash().slice(this.eddsa.encodingLength); }); KeyPair.prototype.sign = function sign(message) { assert(this._secret, 'KeyPair can only verify'); return this.eddsa.sign(message, this); }; KeyPair.prototype.verify = function verify(message, sig) { return this.eddsa.verify(message, sig, this); }; KeyPair.prototype.getSecret = function getSecret(enc) { assert(this._secret, 'KeyPair is public only'); return utils.encode(this.secret(), enc); }; KeyPair.prototype.getPublic = function getPublic(enc) { return utils.encode(this.pubBytes(), enc); }; module.exports = KeyPair; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/eddsa/signature.js": /*!*******************************************************************!*\ !*** ../../node_modules/elliptic/lib/elliptic/eddsa/signature.js ***! \*******************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var utils = __webpack_require__(/*! ../utils */ "../../node_modules/elliptic/lib/elliptic/utils.js"); var assert = utils.assert; var cachedProperty = utils.cachedProperty; var parseBytes = utils.parseBytes; /** * @param {EDDSA} eddsa - eddsa instance * @param {Array|Object} sig - * @param {Array|Point} [sig.R] - R point as Point or bytes * @param {Array|bn} [sig.S] - S scalar as bn or bytes * @param {Array} [sig.Rencoded] - R point encoded * @param {Array} [sig.Sencoded] - S scalar encoded */ function Signature(eddsa, sig) { this.eddsa = eddsa; if (typeof sig !== 'object') sig = parseBytes(sig); if (Array.isArray(sig)) { sig = { R: sig.slice(0, eddsa.encodingLength), S: sig.slice(eddsa.encodingLength), }; } assert(sig.R && sig.S, 'Signature without R or S'); if (eddsa.isPoint(sig.R)) this._R = sig.R; if (sig.S instanceof BN) this._S = sig.S; this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded; this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded; } cachedProperty(Signature, 'S', function S() { return this.eddsa.decodeInt(this.Sencoded()); }); cachedProperty(Signature, 'R', function R() { return this.eddsa.decodePoint(this.Rencoded()); }); cachedProperty(Signature, 'Rencoded', function Rencoded() { return this.eddsa.encodePoint(this.R()); }); cachedProperty(Signature, 'Sencoded', function Sencoded() { return this.eddsa.encodeInt(this.S()); }); Signature.prototype.toBytes = function toBytes() { return this.Rencoded().concat(this.Sencoded()); }; Signature.prototype.toHex = function toHex() { return utils.encode(this.toBytes(), 'hex').toUpperCase(); }; module.exports = Signature; /***/ }), /***/ "../../node_modules/elliptic/lib/elliptic/precomputed/secp256k1.js": 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../../node_modules/elliptic/lib/elliptic/utils.js ***! \*********************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var utils = exports; var BN = __webpack_require__(/*! bn.js */ "../../node_modules/diffie-hellman/node_modules/bn.js/lib/bn.js"); var minAssert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var minUtils = __webpack_require__(/*! minimalistic-crypto-utils */ "../../node_modules/minimalistic-crypto-utils/lib/utils.js"); utils.assert = minAssert; utils.toArray = minUtils.toArray; utils.zero2 = minUtils.zero2; utils.toHex = minUtils.toHex; utils.encode = minUtils.encode; // Represent num in a w-NAF form function getNAF(num, w, bits) { var naf = new Array(Math.max(num.bitLength(), bits) + 1); naf.fill(0); var ws = 1 << (w + 1); var k = num.clone(); for (var i = 0; i < naf.length; i++) { var z; var mod = k.andln(ws - 1); if (k.isOdd()) { if (mod > (ws >> 1) - 1) z = (ws >> 1) - mod; else z = mod; k.isubn(z); } else { z = 0; } naf[i] = z; k.iushrn(1); } return naf; } utils.getNAF = getNAF; // Represent k1, k2 in a Joint Sparse Form function getJSF(k1, k2) { var jsf = [ [], [], ]; k1 = k1.clone(); k2 = k2.clone(); var d1 = 0; var d2 = 0; var m8; while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) { // First phase var m14 = (k1.andln(3) + d1) & 3; var m24 = (k2.andln(3) + d2) & 3; if (m14 === 3) m14 = -1; if (m24 === 3) m24 = -1; var u1; if ((m14 & 1) === 0) { u1 = 0; } else { m8 = (k1.andln(7) + d1) & 7; if ((m8 === 3 || m8 === 5) && m24 === 2) u1 = -m14; else u1 = m14; } jsf[0].push(u1); var u2; if ((m24 & 1) === 0) { u2 = 0; } else { m8 = (k2.andln(7) + d2) & 7; if ((m8 === 3 || m8 === 5) && m14 === 2) u2 = -m24; else u2 = m24; } jsf[1].push(u2); // Second phase if (2 * d1 === u1 + 1) d1 = 1 - d1; if (2 * d2 === u2 + 1) d2 = 1 - d2; k1.iushrn(1); k2.iushrn(1); } return jsf; } utils.getJSF = getJSF; function cachedProperty(obj, name, computer) { var key = '_' + name; obj.prototype[name] = function cachedProperty() { return this[key] !== undefined ? this[key] : this[key] = computer.call(this); }; } utils.cachedProperty = cachedProperty; function parseBytes(bytes) { return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') : bytes; } utils.parseBytes = parseBytes; function intFromLE(bytes) { return new BN(bytes, 'hex', 'le'); } utils.intFromLE = intFromLE; /***/ }), /***/ "../../node_modules/es6-object-assign/index.js": /*!*****************************************************!*\ !*** ../../node_modules/es6-object-assign/index.js ***! \*****************************************************/ /***/ ((module) => { "use strict"; /** * Code refactored from Mozilla Developer Network: * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign */ function assign(target, firstSource) { if (target === undefined || target === null) { throw new TypeError('Cannot convert first argument to object'); } var to = Object(target); for (var i = 1; i < arguments.length; i++) { var nextSource = arguments[i]; if (nextSource === undefined || nextSource === null) { continue; } var keysArray = Object.keys(Object(nextSource)); for (var nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex++) { var nextKey = keysArray[nextIndex]; var desc = Object.getOwnPropertyDescriptor(nextSource, nextKey); if (desc !== undefined && desc.enumerable) { to[nextKey] = nextSource[nextKey]; } } } return to; } function polyfill() { if (!Object.assign) { Object.defineProperty(Object, 'assign', { enumerable: false, configurable: true, writable: true, value: assign }); } } module.exports = { assign: assign, polyfill: polyfill }; /***/ }), /***/ "../../node_modules/events/events.js": /*!*******************************************!*\ !*** ../../node_modules/events/events.js ***! \*******************************************/ /***/ ((module) => { "use strict"; // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. var R = typeof Reflect === 'object' ? Reflect : null var ReflectApply = R && typeof R.apply === 'function' ? R.apply : function ReflectApply(target, receiver, args) { return Function.prototype.apply.call(target, receiver, args); } var ReflectOwnKeys if (R && typeof R.ownKeys === 'function') { ReflectOwnKeys = R.ownKeys } else if (Object.getOwnPropertySymbols) { ReflectOwnKeys = function ReflectOwnKeys(target) { return Object.getOwnPropertyNames(target) .concat(Object.getOwnPropertySymbols(target)); }; } else { ReflectOwnKeys = function ReflectOwnKeys(target) { return Object.getOwnPropertyNames(target); }; } function ProcessEmitWarning(warning) { if (console && console.warn) console.warn(warning); } var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) { return value !== value; } function EventEmitter() { EventEmitter.init.call(this); } module.exports = EventEmitter; module.exports.once = once; // Backwards-compat with node 0.10.x EventEmitter.EventEmitter = EventEmitter; EventEmitter.prototype._events = undefined; EventEmitter.prototype._eventsCount = 0; EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are // added to it. This is a useful default which helps finding memory leaks. var defaultMaxListeners = 10; function checkListener(listener) { if (typeof listener !== 'function') { throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); } } Object.defineProperty(EventEmitter, 'defaultMaxListeners', { enumerable: true, get: function() { return defaultMaxListeners; }, set: function(arg) { if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) { throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.'); } defaultMaxListeners = arg; } }); EventEmitter.init = function() { if (this._events === undefined || this._events === Object.getPrototypeOf(this)._events) { this._events = Object.create(null); this._eventsCount = 0; } this._maxListeners = this._maxListeners || undefined; }; // Obviously not all Emitters should be limited to 10. This function allows // that to be increased. Set to zero for unlimited. EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) { if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) { throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.'); } this._maxListeners = n; return this; }; function _getMaxListeners(that) { if (that._maxListeners === undefined) return EventEmitter.defaultMaxListeners; return that._maxListeners; } EventEmitter.prototype.getMaxListeners = function getMaxListeners() { return _getMaxListeners(this); }; EventEmitter.prototype.emit = function emit(type) { var args = []; for (var i = 1; i < arguments.length; i++) args.push(arguments[i]); var doError = (type === 'error'); var events = this._events; if (events !== undefined) doError = (doError && events.error === undefined); else if (!doError) return false; // If there is no 'error' event listener then throw. if (doError) { var er; if (args.length > 0) er = args[0]; if (er instanceof Error) { // Note: The comments on the `throw` lines are intentional, they show // up in Node's output if this results in an unhandled exception. throw er; // Unhandled 'error' event } // At least give some kind of context to the user var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : '')); err.context = er; throw err; // Unhandled 'error' event } var handler = events[type]; if (handler === undefined) return false; if (typeof handler === 'function') { ReflectApply(handler, this, args); } else { var len = handler.length; var listeners = arrayClone(handler, len); for (var i = 0; i < len; ++i) ReflectApply(listeners[i], this, args); } return true; }; function _addListener(target, type, listener, prepend) { var m; var events; var existing; checkListener(listener); events = target._events; if (events === undefined) { events = target._events = Object.create(null); target._eventsCount = 0; } else { // To avoid recursion in the case that type === "newListener"! Before // adding it to the listeners, first emit "newListener". if (events.newListener !== undefined) { target.emit('newListener', type, listener.listener ? listener.listener : listener); // Re-assign `events` because a newListener handler could have caused the // this._events to be assigned to a new object events = target._events; } existing = events[type]; } if (existing === undefined) { // Optimize the case of one listener. Don't need the extra array object. existing = events[type] = listener; ++target._eventsCount; } else { if (typeof existing === 'function') { // Adding the second element, need to change to array. existing = events[type] = prepend ? [listener, existing] : [existing, listener]; // If we've already got an array, just append. } else if (prepend) { existing.unshift(listener); } else { existing.push(listener); } // Check for listener leak m = _getMaxListeners(target); if (m > 0 && existing.length > m && !existing.warned) { existing.warned = true; // No error code for this since it is a Warning // eslint-disable-next-line no-restricted-syntax var w = new Error('Possible EventEmitter memory leak detected. ' + existing.length + ' ' + String(type) + ' listeners ' + 'added. Use emitter.setMaxListeners() to ' + 'increase limit'); w.name = 'MaxListenersExceededWarning'; w.emitter = target; w.type = type; w.count = existing.length; ProcessEmitWarning(w); } } return target; } EventEmitter.prototype.addListener = function addListener(type, listener) { return _addListener(this, type, listener, false); }; EventEmitter.prototype.on = EventEmitter.prototype.addListener; EventEmitter.prototype.prependListener = function prependListener(type, listener) { return _addListener(this, type, listener, true); }; function onceWrapper() { if (!this.fired) { this.target.removeListener(this.type, this.wrapFn); this.fired = true; if (arguments.length === 0) return this.listener.call(this.target); return this.listener.apply(this.target, arguments); } } function _onceWrap(target, type, listener) { var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener }; var wrapped = onceWrapper.bind(state); wrapped.listener = listener; state.wrapFn = wrapped; return wrapped; } EventEmitter.prototype.once = function once(type, listener) { checkListener(listener); this.on(type, _onceWrap(this, type, listener)); return this; }; EventEmitter.prototype.prependOnceListener = function prependOnceListener(type, listener) { checkListener(listener); this.prependListener(type, _onceWrap(this, type, listener)); return this; }; // Emits a 'removeListener' event if and only if the listener was removed. EventEmitter.prototype.removeListener = function removeListener(type, listener) { var list, events, position, i, originalListener; checkListener(listener); events = this._events; if (events === undefined) return this; list = events[type]; if (list === undefined) return this; if (list === listener || list.listener === listener) { if (--this._eventsCount === 0) this._events = Object.create(null); else { delete events[type]; if (events.removeListener) this.emit('removeListener', type, list.listener || listener); } } else if (typeof list !== 'function') { position = -1; for (i = list.length - 1; i >= 0; i--) { if (list[i] === listener || list[i].listener === listener) { originalListener = list[i].listener; position = i; break; } } if (position < 0) return this; if (position === 0) list.shift(); else { spliceOne(list, position); } if (list.length === 1) events[type] = list[0]; if (events.removeListener !== undefined) this.emit('removeListener', type, originalListener || listener); } return this; }; EventEmitter.prototype.off = EventEmitter.prototype.removeListener; EventEmitter.prototype.removeAllListeners = function removeAllListeners(type) { var listeners, events, i; events = this._events; if (events === undefined) return this; // not listening for removeListener, no need to emit if (events.removeListener === undefined) { if (arguments.length === 0) { this._events = Object.create(null); this._eventsCount = 0; } else if (events[type] !== undefined) { if (--this._eventsCount === 0) this._events = Object.create(null); else delete events[type]; } return this; } // emit removeListener for all listeners on all events if (arguments.length === 0) { var keys = Object.keys(events); var key; for (i = 0; i < keys.length; ++i) { key = keys[i]; if (key === 'removeListener') continue; this.removeAllListeners(key); } this.removeAllListeners('removeListener'); this._events = Object.create(null); this._eventsCount = 0; return this; } listeners = events[type]; if (typeof listeners === 'function') { this.removeListener(type, listeners); } else if (listeners !== undefined) { // LIFO order for (i = listeners.length - 1; i >= 0; i--) { this.removeListener(type, listeners[i]); } } return this; }; function _listeners(target, type, unwrap) { var events = target._events; if (events === undefined) return []; var evlistener = events[type]; if (evlistener === undefined) return []; if (typeof evlistener === 'function') return unwrap ? [evlistener.listener || evlistener] : [evlistener]; return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length); } EventEmitter.prototype.listeners = function listeners(type) { return _listeners(this, type, true); }; EventEmitter.prototype.rawListeners = function rawListeners(type) { return _listeners(this, type, false); }; EventEmitter.listenerCount = function(emitter, type) { if (typeof emitter.listenerCount === 'function') { return emitter.listenerCount(type); } else { return listenerCount.call(emitter, type); } }; EventEmitter.prototype.listenerCount = listenerCount; function listenerCount(type) { var events = this._events; if (events !== undefined) { var evlistener = events[type]; if (typeof evlistener === 'function') { return 1; } else if (evlistener !== undefined) { return evlistener.length; } } return 0; } EventEmitter.prototype.eventNames = function eventNames() { return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : []; }; function arrayClone(arr, n) { var copy = new Array(n); for (var i = 0; i < n; ++i) copy[i] = arr[i]; return copy; } function spliceOne(list, index) { for (; index + 1 < list.length; index++) list[index] = list[index + 1]; list.pop(); } function unwrapListeners(arr) { var ret = new Array(arr.length); for (var i = 0; i < ret.length; ++i) { ret[i] = arr[i].listener || arr[i]; } return ret; } function once(emitter, name) { return new Promise(function (resolve, reject) { function errorListener(err) { emitter.removeListener(name, resolver); reject(err); } function resolver() { if (typeof emitter.removeListener === 'function') { emitter.removeListener('error', errorListener); } resolve([].slice.call(arguments)); }; eventTargetAgnosticAddListener(emitter, name, resolver, { once: true }); if (name !== 'error') { addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true }); } }); } function addErrorHandlerIfEventEmitter(emitter, handler, flags) { if (typeof emitter.on === 'function') { eventTargetAgnosticAddListener(emitter, 'error', handler, flags); } } function eventTargetAgnosticAddListener(emitter, name, listener, flags) { if (typeof emitter.on === 'function') { if (flags.once) { emitter.once(name, listener); } else { emitter.on(name, listener); } } else if (typeof emitter.addEventListener === 'function') { // EventTarget does not have `error` event semantics like Node // EventEmitters, we do not listen for `error` events here. emitter.addEventListener(name, function wrapListener(arg) { // IE does not have builtin `{ once: true }` support so we // have to do it manually. if (flags.once) { emitter.removeEventListener(name, wrapListener); } listener(arg); }); } else { throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter); } } /***/ }), /***/ "../../node_modules/evp_bytestokey/index.js": /*!**************************************************!*\ !*** ../../node_modules/evp_bytestokey/index.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var MD5 = __webpack_require__(/*! md5.js */ "../../node_modules/md5.js/index.js") /* eslint-disable camelcase */ function EVP_BytesToKey (password, salt, keyBits, ivLen) { if (!Buffer.isBuffer(password)) password = Buffer.from(password, 'binary') if (salt) { if (!Buffer.isBuffer(salt)) salt = Buffer.from(salt, 'binary') if (salt.length !== 8) throw new RangeError('salt should be Buffer with 8 byte length') } var keyLen = keyBits / 8 var key = Buffer.alloc(keyLen) var iv = Buffer.alloc(ivLen || 0) var tmp = Buffer.alloc(0) while (keyLen > 0 || ivLen > 0) { var hash = new MD5() hash.update(tmp) hash.update(password) if (salt) hash.update(salt) tmp = hash.digest() var used = 0 if (keyLen > 0) { var keyStart = key.length - keyLen used = Math.min(keyLen, tmp.length) tmp.copy(key, keyStart, 0, used) keyLen -= used } if (used < tmp.length && ivLen > 0) { var ivStart = iv.length - ivLen var length = Math.min(ivLen, tmp.length - used) tmp.copy(iv, ivStart, used, used + length) ivLen -= length } } tmp.fill(0) return { key: key, iv: iv } } module.exports = EVP_BytesToKey /***/ }), /***/ "../../node_modules/for-each/index.js": /*!********************************************!*\ !*** ../../node_modules/for-each/index.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var isCallable = __webpack_require__(/*! is-callable */ "../../node_modules/is-callable/index.js"); var toStr = Object.prototype.toString; var hasOwnProperty = Object.prototype.hasOwnProperty; var forEachArray = function forEachArray(array, iterator, receiver) { for (var i = 0, len = array.length; i < len; i++) { if (hasOwnProperty.call(array, i)) { if (receiver == null) { iterator(array[i], i, array); } else { iterator.call(receiver, array[i], i, array); } } } }; var forEachString = function forEachString(string, iterator, receiver) { for (var i = 0, len = string.length; i < len; i++) { // no such thing as a sparse string. if (receiver == null) { iterator(string.charAt(i), i, string); } else { iterator.call(receiver, string.charAt(i), i, string); } } }; var forEachObject = function forEachObject(object, iterator, receiver) { for (var k in object) { if (hasOwnProperty.call(object, k)) { if (receiver == null) { iterator(object[k], k, object); } else { iterator.call(receiver, object[k], k, object); } } } }; var forEach = function forEach(list, iterator, thisArg) { if (!isCallable(iterator)) { throw new TypeError('iterator must be a function'); } var receiver; if (arguments.length >= 3) { receiver = thisArg; } if (toStr.call(list) === '[object Array]') { forEachArray(list, iterator, receiver); } else if (typeof list === 'string') { forEachString(list, iterator, receiver); } else { forEachObject(list, iterator, receiver); } }; module.exports = forEach; /***/ }), /***/ "../../node_modules/function-bind/implementation.js": /*!**********************************************************!*\ !*** ../../node_modules/function-bind/implementation.js ***! \**********************************************************/ /***/ ((module) => { "use strict"; /* eslint no-invalid-this: 1 */ var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible '; var slice = Array.prototype.slice; var toStr = Object.prototype.toString; var funcType = '[object Function]'; module.exports = function bind(that) { var target = this; if (typeof target !== 'function' || toStr.call(target) !== funcType) { throw new TypeError(ERROR_MESSAGE + target); } var args = slice.call(arguments, 1); var bound; var binder = function () { if (this instanceof bound) { var result = target.apply( this, args.concat(slice.call(arguments)) ); if (Object(result) === result) { return result; } return this; } else { return target.apply( that, args.concat(slice.call(arguments)) ); } }; var boundLength = Math.max(0, target.length - args.length); var boundArgs = []; for (var i = 0; i < boundLength; i++) { boundArgs.push('$' + i); } bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder); if (target.prototype) { var Empty = function Empty() {}; Empty.prototype = target.prototype; bound.prototype = new Empty(); Empty.prototype = null; } return bound; }; /***/ }), /***/ "../../node_modules/function-bind/index.js": /*!*************************************************!*\ !*** ../../node_modules/function-bind/index.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var implementation = __webpack_require__(/*! ./implementation */ "../../node_modules/function-bind/implementation.js"); module.exports = Function.prototype.bind || implementation; /***/ }), /***/ "../../node_modules/get-intrinsic/index.js": /*!*************************************************!*\ !*** ../../node_modules/get-intrinsic/index.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var undefined; var $SyntaxError = SyntaxError; var $Function = Function; var $TypeError = TypeError; // eslint-disable-next-line consistent-return var getEvalledConstructor = function (expressionSyntax) { try { return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')(); } catch (e) {} }; var $gOPD = Object.getOwnPropertyDescriptor; if ($gOPD) { try { $gOPD({}, ''); } catch (e) { $gOPD = null; // this is IE 8, which has a broken gOPD } } var throwTypeError = function () { throw new $TypeError(); }; var ThrowTypeError = $gOPD ? (function () { try { // eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties arguments.callee; // IE 8 does not throw here return throwTypeError; } catch (calleeThrows) { try { // IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '') return $gOPD(arguments, 'callee').get; } catch (gOPDthrows) { return throwTypeError; } } }()) : throwTypeError; var hasSymbols = __webpack_require__(/*! has-symbols */ "../../node_modules/has-symbols/index.js")(); var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto var needsEval = {}; var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array); var INTRINSICS = { '%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError, '%Array%': Array, '%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, '%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined, '%AsyncFromSyncIteratorPrototype%': undefined, '%AsyncFunction%': needsEval, '%AsyncGenerator%': needsEval, '%AsyncGeneratorFunction%': needsEval, '%AsyncIteratorPrototype%': needsEval, '%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, '%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt, '%BigInt64Array%': typeof BigInt64Array === 'undefined' ? undefined : BigInt64Array, '%BigUint64Array%': typeof BigUint64Array === 'undefined' ? undefined : BigUint64Array, '%Boolean%': Boolean, '%DataView%': typeof DataView === 'undefined' ? undefined : DataView, '%Date%': Date, '%decodeURI%': decodeURI, '%decodeURIComponent%': decodeURIComponent, '%encodeURI%': encodeURI, '%encodeURIComponent%': encodeURIComponent, '%Error%': Error, '%eval%': eval, // eslint-disable-line no-eval '%EvalError%': EvalError, '%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, '%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, '%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry, '%Function%': $Function, '%GeneratorFunction%': needsEval, '%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, '%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, '%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, '%isFinite%': isFinite, '%isNaN%': isNaN, '%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined, '%JSON%': typeof JSON === 'object' ? JSON : undefined, '%Map%': typeof Map === 'undefined' ? undefined : Map, '%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()), '%Math%': Math, '%Number%': Number, '%Object%': Object, '%parseFloat%': parseFloat, '%parseInt%': parseInt, '%Promise%': typeof Promise === 'undefined' ? undefined : Promise, '%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, '%RangeError%': RangeError, '%ReferenceError%': ReferenceError, '%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, '%RegExp%': RegExp, '%Set%': typeof Set === 'undefined' ? undefined : Set, '%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()), '%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, '%String%': String, '%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined, '%Symbol%': hasSymbols ? Symbol : undefined, '%SyntaxError%': $SyntaxError, '%ThrowTypeError%': ThrowTypeError, '%TypedArray%': TypedArray, '%TypeError%': $TypeError, '%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, '%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, '%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, '%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, '%URIError%': URIError, '%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, '%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef, '%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet }; try { null.error; // eslint-disable-line no-unused-expressions } catch (e) { // https://github.com/tc39/proposal-shadowrealm/pull/384#issuecomment-1364264229 var errorProto = getProto(getProto(e)); INTRINSICS['%Error.prototype%'] = errorProto; } var doEval = function doEval(name) { var value; if (name === '%AsyncFunction%') { value = getEvalledConstructor('async function () {}'); } else if (name === '%GeneratorFunction%') { value = getEvalledConstructor('function* () {}'); } else if (name === '%AsyncGeneratorFunction%') { value = getEvalledConstructor('async function* () {}'); } else if (name === '%AsyncGenerator%') { var fn = doEval('%AsyncGeneratorFunction%'); if (fn) { value = fn.prototype; } } else if (name === '%AsyncIteratorPrototype%') { var gen = doEval('%AsyncGenerator%'); if (gen) { value = getProto(gen.prototype); } } INTRINSICS[name] = value; return value; }; var LEGACY_ALIASES = { '%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'], '%ArrayPrototype%': ['Array', 'prototype'], '%ArrayProto_entries%': ['Array', 'prototype', 'entries'], '%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'], '%ArrayProto_keys%': ['Array', 'prototype', 'keys'], '%ArrayProto_values%': ['Array', 'prototype', 'values'], '%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'], '%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'], '%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'], '%BooleanPrototype%': ['Boolean', 'prototype'], '%DataViewPrototype%': ['DataView', 'prototype'], '%DatePrototype%': ['Date', 'prototype'], '%ErrorPrototype%': ['Error', 'prototype'], '%EvalErrorPrototype%': ['EvalError', 'prototype'], '%Float32ArrayPrototype%': ['Float32Array', 'prototype'], '%Float64ArrayPrototype%': ['Float64Array', 'prototype'], '%FunctionPrototype%': ['Function', 'prototype'], '%Generator%': ['GeneratorFunction', 'prototype'], '%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'], '%Int8ArrayPrototype%': ['Int8Array', 'prototype'], '%Int16ArrayPrototype%': ['Int16Array', 'prototype'], '%Int32ArrayPrototype%': ['Int32Array', 'prototype'], '%JSONParse%': ['JSON', 'parse'], '%JSONStringify%': ['JSON', 'stringify'], '%MapPrototype%': ['Map', 'prototype'], '%NumberPrototype%': ['Number', 'prototype'], '%ObjectPrototype%': ['Object', 'prototype'], '%ObjProto_toString%': ['Object', 'prototype', 'toString'], '%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'], '%PromisePrototype%': ['Promise', 'prototype'], '%PromiseProto_then%': ['Promise', 'prototype', 'then'], '%Promise_all%': ['Promise', 'all'], '%Promise_reject%': ['Promise', 'reject'], '%Promise_resolve%': ['Promise', 'resolve'], '%RangeErrorPrototype%': ['RangeError', 'prototype'], '%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'], '%RegExpPrototype%': ['RegExp', 'prototype'], '%SetPrototype%': ['Set', 'prototype'], '%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'], '%StringPrototype%': ['String', 'prototype'], '%SymbolPrototype%': ['Symbol', 'prototype'], '%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'], '%TypedArrayPrototype%': ['TypedArray', 'prototype'], '%TypeErrorPrototype%': ['TypeError', 'prototype'], '%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'], '%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'], '%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'], '%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'], '%URIErrorPrototype%': ['URIError', 'prototype'], '%WeakMapPrototype%': ['WeakMap', 'prototype'], '%WeakSetPrototype%': ['WeakSet', 'prototype'] }; var bind = __webpack_require__(/*! function-bind */ "../../node_modules/function-bind/index.js"); var hasOwn = __webpack_require__(/*! has */ "../../node_modules/has/src/index.js"); var $concat = bind.call(Function.call, Array.prototype.concat); var $spliceApply = bind.call(Function.apply, Array.prototype.splice); var $replace = bind.call(Function.call, String.prototype.replace); var $strSlice = bind.call(Function.call, String.prototype.slice); var $exec = bind.call(Function.call, RegExp.prototype.exec); /* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */ var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g; var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */ var stringToPath = function stringToPath(string) { var first = $strSlice(string, 0, 1); var last = $strSlice(string, -1); if (first === '%' && last !== '%') { throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`'); } else if (last === '%' && first !== '%') { throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`'); } var result = []; $replace(string, rePropName, function (match, number, quote, subString) { result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match; }); return result; }; /* end adaptation */ var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) { var intrinsicName = name; var alias; if (hasOwn(LEGACY_ALIASES, intrinsicName)) { alias = LEGACY_ALIASES[intrinsicName]; intrinsicName = '%' + alias[0] + '%'; } if (hasOwn(INTRINSICS, intrinsicName)) { var value = INTRINSICS[intrinsicName]; if (value === needsEval) { value = doEval(intrinsicName); } if (typeof value === 'undefined' && !allowMissing) { throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); } return { alias: alias, name: intrinsicName, value: value }; } throw new $SyntaxError('intrinsic ' + name + ' does not exist!'); }; module.exports = function GetIntrinsic(name, allowMissing) { if (typeof name !== 'string' || name.length === 0) { throw new $TypeError('intrinsic name must be a non-empty string'); } if (arguments.length > 1 && typeof allowMissing !== 'boolean') { throw new $TypeError('"allowMissing" argument must be a boolean'); } if ($exec(/^%?[^%]*%?$/, name) === null) { throw new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name'); } var parts = stringToPath(name); var intrinsicBaseName = parts.length > 0 ? parts[0] : ''; var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing); var intrinsicRealName = intrinsic.name; var value = intrinsic.value; var skipFurtherCaching = false; var alias = intrinsic.alias; if (alias) { intrinsicBaseName = alias[0]; $spliceApply(parts, $concat([0, 1], alias)); } for (var i = 1, isOwn = true; i < parts.length; i += 1) { var part = parts[i]; var first = $strSlice(part, 0, 1); var last = $strSlice(part, -1); if ( ( (first === '"' || first === "'" || first === '`') || (last === '"' || last === "'" || last === '`') ) && first !== last ) { throw new $SyntaxError('property names with quotes must have matching quotes'); } if (part === 'constructor' || !isOwn) { skipFurtherCaching = true; } intrinsicBaseName += '.' + part; intrinsicRealName = '%' + intrinsicBaseName + '%'; if (hasOwn(INTRINSICS, intrinsicRealName)) { value = INTRINSICS[intrinsicRealName]; } else if (value != null) { if (!(part in value)) { if (!allowMissing) { throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.'); } return void undefined; } if ($gOPD && (i + 1) >= parts.length) { var desc = $gOPD(value, part); isOwn = !!desc; // By convention, when a data property is converted to an accessor // property to emulate a data property that does not suffer from // the override mistake, that accessor's getter is marked with // an `originalValue` property. Here, when we detect this, we // uphold the illusion by pretending to see that original data // property, i.e., returning the value rather than the getter // itself. if (isOwn && 'get' in desc && !('originalValue' in desc.get)) { value = desc.get; } else { value = value[part]; } } else { isOwn = hasOwn(value, part); value = value[part]; } if (isOwn && !skipFurtherCaching) { INTRINSICS[intrinsicRealName] = value; } } } return value; }; /***/ }), /***/ "../../node_modules/gopd/index.js": /*!****************************************!*\ !*** ../../node_modules/gopd/index.js ***! \****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var GetIntrinsic = __webpack_require__(/*! get-intrinsic */ "../../node_modules/get-intrinsic/index.js"); var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true); if ($gOPD) { try { $gOPD([], 'length'); } catch (e) { // IE 8 has a broken gOPD $gOPD = null; } } module.exports = $gOPD; /***/ }), /***/ "../../node_modules/has-property-descriptors/index.js": /*!************************************************************!*\ !*** ../../node_modules/has-property-descriptors/index.js ***! \************************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var GetIntrinsic = __webpack_require__(/*! get-intrinsic */ "../../node_modules/get-intrinsic/index.js"); var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); var hasPropertyDescriptors = function hasPropertyDescriptors() { if ($defineProperty) { try { $defineProperty({}, 'a', { value: 1 }); return true; } catch (e) { // IE 8 has a broken defineProperty return false; } } return false; }; hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() { // node v0.6 has a bug where array lengths can be Set but not Defined if (!hasPropertyDescriptors()) { return null; } try { return $defineProperty([], 'length', { value: 1 }).length !== 1; } catch (e) { // In Firefox 4-22, defining length on an array throws an exception. return true; } }; module.exports = hasPropertyDescriptors; /***/ }), /***/ "../../node_modules/has-symbols/index.js": /*!***********************************************!*\ !*** ../../node_modules/has-symbols/index.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var origSymbol = typeof Symbol !== 'undefined' && Symbol; var hasSymbolSham = __webpack_require__(/*! ./shams */ "../../node_modules/has-symbols/shams.js"); module.exports = function hasNativeSymbols() { if (typeof origSymbol !== 'function') { return false; } if (typeof Symbol !== 'function') { return false; } if (typeof origSymbol('foo') !== 'symbol') { return false; } if (typeof Symbol('bar') !== 'symbol') { return false; } return hasSymbolSham(); }; /***/ }), /***/ "../../node_modules/has-symbols/shams.js": /*!***********************************************!*\ !*** ../../node_modules/has-symbols/shams.js ***! \***********************************************/ /***/ ((module) => { "use strict"; /* eslint complexity: [2, 18], max-statements: [2, 33] */ module.exports = function hasSymbols() { if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; } if (typeof Symbol.iterator === 'symbol') { return true; } var obj = {}; var sym = Symbol('test'); var symObj = Object(sym); if (typeof sym === 'string') { return false; } if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; } if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; } // temp disabled per https://github.com/ljharb/object.assign/issues/17 // if (sym instanceof Symbol) { return false; } // temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4 // if (!(symObj instanceof Symbol)) { return false; } // if (typeof Symbol.prototype.toString !== 'function') { return false; } // if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; } var symVal = 42; obj[sym] = symVal; for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; } if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; } var syms = Object.getOwnPropertySymbols(obj); if (syms.length !== 1 || syms[0] !== sym) { return false; } if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; } if (typeof Object.getOwnPropertyDescriptor === 'function') { var descriptor = Object.getOwnPropertyDescriptor(obj, sym); if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; } } return true; }; /***/ }), /***/ "../../node_modules/has-tostringtag/shams.js": /*!***************************************************!*\ !*** ../../node_modules/has-tostringtag/shams.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var hasSymbols = __webpack_require__(/*! has-symbols/shams */ "../../node_modules/has-symbols/shams.js"); module.exports = function hasToStringTagShams() { return hasSymbols() && !!Symbol.toStringTag; }; /***/ }), /***/ "../../node_modules/has/src/index.js": /*!*******************************************!*\ !*** ../../node_modules/has/src/index.js ***! \*******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var bind = __webpack_require__(/*! function-bind */ "../../node_modules/function-bind/index.js"); module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty); /***/ }), /***/ "../../node_modules/hash-base/index.js": /*!*********************************************!*\ !*** ../../node_modules/hash-base/index.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var Buffer = (__webpack_require__(/*! safe-buffer */ "../../node_modules/safe-buffer/index.js").Buffer) var Transform = (__webpack_require__(/*! readable-stream */ "../../node_modules/readable-stream/readable-browser.js").Transform) var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js") function throwIfNotStringOrBuffer (val, prefix) { if (!Buffer.isBuffer(val) && typeof val !== 'string') { throw new TypeError(prefix + ' must be a string or a buffer') } } function HashBase (blockSize) { Transform.call(this) this._block = Buffer.allocUnsafe(blockSize) this._blockSize = blockSize this._blockOffset = 0 this._length = [0, 0, 0, 0] this._finalized = false } inherits(HashBase, Transform) HashBase.prototype._transform = function (chunk, encoding, callback) { var error = null try { this.update(chunk, encoding) } catch (err) { error = err } callback(error) } HashBase.prototype._flush = function (callback) { var error = null try { this.push(this.digest()) } catch (err) { error = err } callback(error) } HashBase.prototype.update = function (data, encoding) { throwIfNotStringOrBuffer(data, 'Data') if (this._finalized) throw new Error('Digest already called') if (!Buffer.isBuffer(data)) data = Buffer.from(data, encoding) // consume data var block = this._block var offset = 0 while (this._blockOffset + data.length - offset >= this._blockSize) { for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++] this._update() this._blockOffset = 0 } while (offset < data.length) block[this._blockOffset++] = data[offset++] // update length for (var j = 0, carry = data.length * 8; carry > 0; ++j) { this._length[j] += carry carry = (this._length[j] / 0x0100000000) | 0 if (carry > 0) this._length[j] -= 0x0100000000 * carry } return this } HashBase.prototype._update = function () { throw new Error('_update is not implemented') } HashBase.prototype.digest = function (encoding) { if (this._finalized) throw new Error('Digest already called') this._finalized = true var digest = this._digest() if (encoding !== undefined) digest = digest.toString(encoding) // reset state this._block.fill(0) this._blockOffset = 0 for (var i = 0; i < 4; ++i) this._length[i] = 0 return digest } HashBase.prototype._digest = function () { throw new Error('_digest is not implemented') } module.exports = HashBase /***/ }), /***/ "../../node_modules/hash.js/lib/hash.js": /*!**********************************************!*\ !*** ../../node_modules/hash.js/lib/hash.js ***! \**********************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { var hash = exports; hash.utils = __webpack_require__(/*! ./hash/utils */ "../../node_modules/hash.js/lib/hash/utils.js"); hash.common = __webpack_require__(/*! ./hash/common */ "../../node_modules/hash.js/lib/hash/common.js"); hash.sha = __webpack_require__(/*! ./hash/sha */ "../../node_modules/hash.js/lib/hash/sha.js"); hash.ripemd = __webpack_require__(/*! ./hash/ripemd */ "../../node_modules/hash.js/lib/hash/ripemd.js"); hash.hmac = __webpack_require__(/*! ./hash/hmac */ "../../node_modules/hash.js/lib/hash/hmac.js"); // Proxy hash functions to the main object hash.sha1 = hash.sha.sha1; hash.sha256 = hash.sha.sha256; hash.sha224 = hash.sha.sha224; hash.sha384 = hash.sha.sha384; hash.sha512 = hash.sha.sha512; hash.ripemd160 = hash.ripemd.ripemd160; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/common.js": /*!*****************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/common.js ***! \*****************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ./utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); function BlockHash() { this.pending = null; this.pendingTotal = 0; this.blockSize = this.constructor.blockSize; this.outSize = this.constructor.outSize; this.hmacStrength = this.constructor.hmacStrength; this.padLength = this.constructor.padLength / 8; this.endian = 'big'; this._delta8 = this.blockSize / 8; this._delta32 = this.blockSize / 32; } exports.BlockHash = BlockHash; BlockHash.prototype.update = function update(msg, enc) { // Convert message to array, pad it, and join into 32bit blocks msg = utils.toArray(msg, enc); if (!this.pending) this.pending = msg; else this.pending = this.pending.concat(msg); this.pendingTotal += msg.length; // Enough data, try updating if (this.pending.length >= this._delta8) { msg = this.pending; // Process pending data in blocks var r = msg.length % this._delta8; this.pending = msg.slice(msg.length - r, msg.length); if (this.pending.length === 0) this.pending = null; msg = utils.join32(msg, 0, msg.length - r, this.endian); for (var i = 0; i < msg.length; i += this._delta32) this._update(msg, i, i + this._delta32); } return this; }; BlockHash.prototype.digest = function digest(enc) { this.update(this._pad()); assert(this.pending === null); return this._digest(enc); }; BlockHash.prototype._pad = function pad() { var len = this.pendingTotal; var bytes = this._delta8; var k = bytes - ((len + this.padLength) % bytes); var res = new Array(k + this.padLength); res[0] = 0x80; for (var i = 1; i < k; i++) res[i] = 0; // Append length len <<= 3; if (this.endian === 'big') { for (var t = 8; t < this.padLength; t++) res[i++] = 0; res[i++] = 0; res[i++] = 0; res[i++] = 0; res[i++] = 0; res[i++] = (len >>> 24) & 0xff; res[i++] = (len >>> 16) & 0xff; res[i++] = (len >>> 8) & 0xff; res[i++] = len & 0xff; } else { res[i++] = len & 0xff; res[i++] = (len >>> 8) & 0xff; res[i++] = (len >>> 16) & 0xff; res[i++] = (len >>> 24) & 0xff; res[i++] = 0; res[i++] = 0; res[i++] = 0; res[i++] = 0; for (t = 8; t < this.padLength; t++) res[i++] = 0; } return res; }; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/hmac.js": /*!***************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/hmac.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ./utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); function Hmac(hash, key, enc) { if (!(this instanceof Hmac)) return new Hmac(hash, key, enc); this.Hash = hash; this.blockSize = hash.blockSize / 8; this.outSize = hash.outSize / 8; this.inner = null; this.outer = null; this._init(utils.toArray(key, enc)); } module.exports = Hmac; Hmac.prototype._init = function init(key) { // Shorten key, if needed if (key.length > this.blockSize) key = new this.Hash().update(key).digest(); assert(key.length <= this.blockSize); // Add padding to key for (var i = key.length; i < this.blockSize; i++) key.push(0); for (i = 0; i < key.length; i++) key[i] ^= 0x36; this.inner = new this.Hash().update(key); // 0x36 ^ 0x5c = 0x6a for (i = 0; i < key.length; i++) key[i] ^= 0x6a; this.outer = new this.Hash().update(key); }; Hmac.prototype.update = function update(msg, enc) { this.inner.update(msg, enc); return this; }; Hmac.prototype.digest = function digest(enc) { this.outer.update(this.inner.digest()); return this.outer.digest(enc); }; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/ripemd.js": /*!*****************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/ripemd.js ***! \*****************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ./utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var common = __webpack_require__(/*! ./common */ "../../node_modules/hash.js/lib/hash/common.js"); var rotl32 = utils.rotl32; var sum32 = utils.sum32; var sum32_3 = utils.sum32_3; var sum32_4 = utils.sum32_4; var BlockHash = common.BlockHash; function RIPEMD160() { if (!(this instanceof RIPEMD160)) return new RIPEMD160(); BlockHash.call(this); this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ]; this.endian = 'little'; } utils.inherits(RIPEMD160, BlockHash); exports.ripemd160 = RIPEMD160; RIPEMD160.blockSize = 512; RIPEMD160.outSize = 160; RIPEMD160.hmacStrength = 192; RIPEMD160.padLength = 64; RIPEMD160.prototype._update = function update(msg, start) { var A = this.h[0]; var B = this.h[1]; var C = this.h[2]; var D = this.h[3]; var E = this.h[4]; var Ah = A; var Bh = B; var Ch = C; var Dh = D; var Eh = E; for (var j = 0; j < 80; j++) { var T = sum32( rotl32( sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)), s[j]), E); A = E; E = D; D = rotl32(C, 10); C = B; B = T; T = sum32( rotl32( sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)), sh[j]), Eh); Ah = Eh; Eh = Dh; Dh = rotl32(Ch, 10); Ch = Bh; Bh = T; } T = sum32_3(this.h[1], C, Dh); this.h[1] = sum32_3(this.h[2], D, Eh); this.h[2] = sum32_3(this.h[3], E, Ah); this.h[3] = sum32_3(this.h[4], A, Bh); this.h[4] = sum32_3(this.h[0], B, Ch); this.h[0] = T; }; RIPEMD160.prototype._digest = function digest(enc) { if (enc === 'hex') return utils.toHex32(this.h, 'little'); else return utils.split32(this.h, 'little'); }; function f(j, x, y, z) { if (j <= 15) return x ^ y ^ z; else if (j <= 31) return (x & y) | ((~x) & z); else if (j <= 47) return (x | (~y)) ^ z; else if (j <= 63) return (x & z) | (y & (~z)); else return x ^ (y | (~z)); } function K(j) { if (j <= 15) return 0x00000000; else if (j <= 31) return 0x5a827999; else if (j <= 47) return 0x6ed9eba1; else if (j <= 63) return 0x8f1bbcdc; else return 0xa953fd4e; } function Kh(j) { if (j <= 15) return 0x50a28be6; else if (j <= 31) return 0x5c4dd124; else if (j <= 47) return 0x6d703ef3; else if (j <= 63) return 0x7a6d76e9; else return 0x00000000; } var r = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 ]; var rh = [ 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 ]; var s = [ 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 ]; var sh = [ 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 ]; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha.js": /*!**************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha.js ***! \**************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; exports.sha1 = __webpack_require__(/*! ./sha/1 */ "../../node_modules/hash.js/lib/hash/sha/1.js"); exports.sha224 = __webpack_require__(/*! ./sha/224 */ "../../node_modules/hash.js/lib/hash/sha/224.js"); exports.sha256 = __webpack_require__(/*! ./sha/256 */ "../../node_modules/hash.js/lib/hash/sha/256.js"); exports.sha384 = __webpack_require__(/*! ./sha/384 */ "../../node_modules/hash.js/lib/hash/sha/384.js"); exports.sha512 = __webpack_require__(/*! ./sha/512 */ "../../node_modules/hash.js/lib/hash/sha/512.js"); /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha/1.js": /*!****************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha/1.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var common = __webpack_require__(/*! ../common */ "../../node_modules/hash.js/lib/hash/common.js"); var shaCommon = __webpack_require__(/*! ./common */ "../../node_modules/hash.js/lib/hash/sha/common.js"); var rotl32 = utils.rotl32; var sum32 = utils.sum32; var sum32_5 = utils.sum32_5; var ft_1 = shaCommon.ft_1; var BlockHash = common.BlockHash; var sha1_K = [ 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6 ]; function SHA1() { if (!(this instanceof SHA1)) return new SHA1(); BlockHash.call(this); this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ]; this.W = new Array(80); } utils.inherits(SHA1, BlockHash); module.exports = SHA1; SHA1.blockSize = 512; SHA1.outSize = 160; SHA1.hmacStrength = 80; SHA1.padLength = 64; SHA1.prototype._update = function _update(msg, start) { var W = this.W; for (var i = 0; i < 16; i++) W[i] = msg[start + i]; for(; i < W.length; i++) W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1); var a = this.h[0]; var b = this.h[1]; var c = this.h[2]; var d = this.h[3]; var e = this.h[4]; for (i = 0; i < W.length; i++) { var s = ~~(i / 20); var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]); e = d; d = c; c = rotl32(b, 30); b = a; a = t; } this.h[0] = sum32(this.h[0], a); this.h[1] = sum32(this.h[1], b); this.h[2] = sum32(this.h[2], c); this.h[3] = sum32(this.h[3], d); this.h[4] = sum32(this.h[4], e); }; SHA1.prototype._digest = function digest(enc) { if (enc === 'hex') return utils.toHex32(this.h, 'big'); else return utils.split32(this.h, 'big'); }; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha/224.js": /*!******************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha/224.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var SHA256 = __webpack_require__(/*! ./256 */ "../../node_modules/hash.js/lib/hash/sha/256.js"); function SHA224() { if (!(this instanceof SHA224)) return new SHA224(); SHA256.call(this); this.h = [ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ]; } utils.inherits(SHA224, SHA256); module.exports = SHA224; SHA224.blockSize = 512; SHA224.outSize = 224; SHA224.hmacStrength = 192; SHA224.padLength = 64; SHA224.prototype._digest = function digest(enc) { // Just truncate output if (enc === 'hex') return utils.toHex32(this.h.slice(0, 7), 'big'); else return utils.split32(this.h.slice(0, 7), 'big'); }; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha/256.js": /*!******************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha/256.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var common = __webpack_require__(/*! ../common */ "../../node_modules/hash.js/lib/hash/common.js"); var shaCommon = __webpack_require__(/*! ./common */ "../../node_modules/hash.js/lib/hash/sha/common.js"); var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var sum32 = utils.sum32; var sum32_4 = utils.sum32_4; var sum32_5 = utils.sum32_5; var ch32 = shaCommon.ch32; var maj32 = shaCommon.maj32; var s0_256 = shaCommon.s0_256; var s1_256 = shaCommon.s1_256; var g0_256 = shaCommon.g0_256; var g1_256 = shaCommon.g1_256; var BlockHash = common.BlockHash; var sha256_K = [ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 ]; function SHA256() { if (!(this instanceof SHA256)) return new SHA256(); BlockHash.call(this); this.h = [ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ]; this.k = sha256_K; this.W = new Array(64); } utils.inherits(SHA256, BlockHash); module.exports = SHA256; SHA256.blockSize = 512; SHA256.outSize = 256; SHA256.hmacStrength = 192; SHA256.padLength = 64; SHA256.prototype._update = function _update(msg, start) { var W = this.W; for (var i = 0; i < 16; i++) W[i] = msg[start + i]; for (; i < W.length; i++) W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]); var a = this.h[0]; var b = this.h[1]; var c = this.h[2]; var d = this.h[3]; var e = this.h[4]; var f = this.h[5]; var g = this.h[6]; var h = this.h[7]; assert(this.k.length === W.length); for (i = 0; i < W.length; i++) { var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]); var T2 = sum32(s0_256(a), maj32(a, b, c)); h = g; g = f; f = e; e = sum32(d, T1); d = c; c = b; b = a; a = sum32(T1, T2); } this.h[0] = sum32(this.h[0], a); this.h[1] = sum32(this.h[1], b); this.h[2] = sum32(this.h[2], c); this.h[3] = sum32(this.h[3], d); this.h[4] = sum32(this.h[4], e); this.h[5] = sum32(this.h[5], f); this.h[6] = sum32(this.h[6], g); this.h[7] = sum32(this.h[7], h); }; SHA256.prototype._digest = function digest(enc) { if (enc === 'hex') return utils.toHex32(this.h, 'big'); else return utils.split32(this.h, 'big'); }; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha/384.js": /*!******************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha/384.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var SHA512 = __webpack_require__(/*! ./512 */ "../../node_modules/hash.js/lib/hash/sha/512.js"); function SHA384() { if (!(this instanceof SHA384)) return new SHA384(); SHA512.call(this); this.h = [ 0xcbbb9d5d, 0xc1059ed8, 0x629a292a, 0x367cd507, 0x9159015a, 0x3070dd17, 0x152fecd8, 0xf70e5939, 0x67332667, 0xffc00b31, 0x8eb44a87, 0x68581511, 0xdb0c2e0d, 0x64f98fa7, 0x47b5481d, 0xbefa4fa4 ]; } utils.inherits(SHA384, SHA512); module.exports = SHA384; SHA384.blockSize = 1024; SHA384.outSize = 384; SHA384.hmacStrength = 192; SHA384.padLength = 128; SHA384.prototype._digest = function digest(enc) { if (enc === 'hex') return utils.toHex32(this.h.slice(0, 12), 'big'); else return utils.split32(this.h.slice(0, 12), 'big'); }; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha/512.js": /*!******************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha/512.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var common = __webpack_require__(/*! ../common */ "../../node_modules/hash.js/lib/hash/common.js"); var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var rotr64_hi = utils.rotr64_hi; var rotr64_lo = utils.rotr64_lo; var shr64_hi = utils.shr64_hi; var shr64_lo = utils.shr64_lo; var sum64 = utils.sum64; var sum64_hi = utils.sum64_hi; var sum64_lo = utils.sum64_lo; var sum64_4_hi = utils.sum64_4_hi; var sum64_4_lo = utils.sum64_4_lo; var sum64_5_hi = utils.sum64_5_hi; var sum64_5_lo = utils.sum64_5_lo; var BlockHash = common.BlockHash; var sha512_K = [ 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 ]; function SHA512() { if (!(this instanceof SHA512)) return new SHA512(); BlockHash.call(this); this.h = [ 0x6a09e667, 0xf3bcc908, 0xbb67ae85, 0x84caa73b, 0x3c6ef372, 0xfe94f82b, 0xa54ff53a, 0x5f1d36f1, 0x510e527f, 0xade682d1, 0x9b05688c, 0x2b3e6c1f, 0x1f83d9ab, 0xfb41bd6b, 0x5be0cd19, 0x137e2179 ]; this.k = sha512_K; this.W = new Array(160); } utils.inherits(SHA512, BlockHash); module.exports = SHA512; SHA512.blockSize = 1024; SHA512.outSize = 512; SHA512.hmacStrength = 192; SHA512.padLength = 128; SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) { var W = this.W; // 32 x 32bit words for (var i = 0; i < 32; i++) W[i] = msg[start + i]; for (; i < W.length; i += 2) { var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2 var c0_lo = g1_512_lo(W[i - 4], W[i - 3]); var c1_hi = W[i - 14]; // i - 7 var c1_lo = W[i - 13]; var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15 var c2_lo = g0_512_lo(W[i - 30], W[i - 29]); var c3_hi = W[i - 32]; // i - 16 var c3_lo = W[i - 31]; W[i] = sum64_4_hi( c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo); W[i + 1] = sum64_4_lo( c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo); } }; SHA512.prototype._update = function _update(msg, start) { this._prepareBlock(msg, start); var W = this.W; var ah = this.h[0]; var al = this.h[1]; var bh = this.h[2]; var bl = this.h[3]; var ch = this.h[4]; var cl = this.h[5]; var dh = this.h[6]; var dl = this.h[7]; var eh = this.h[8]; var el = this.h[9]; var fh = this.h[10]; var fl = this.h[11]; var gh = this.h[12]; var gl = this.h[13]; var hh = this.h[14]; var hl = this.h[15]; assert(this.k.length === W.length); for (var i = 0; i < W.length; i += 2) { var c0_hi = hh; var c0_lo = hl; var c1_hi = s1_512_hi(eh, el); var c1_lo = s1_512_lo(eh, el); var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl); var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl); var c3_hi = this.k[i]; var c3_lo = this.k[i + 1]; var c4_hi = W[i]; var c4_lo = W[i + 1]; var T1_hi = sum64_5_hi( c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo, c4_hi, c4_lo); var T1_lo = sum64_5_lo( c0_hi, c0_lo, c1_hi, c1_lo, c2_hi, c2_lo, c3_hi, c3_lo, c4_hi, c4_lo); c0_hi = s0_512_hi(ah, al); c0_lo = s0_512_lo(ah, al); c1_hi = maj64_hi(ah, al, bh, bl, ch, cl); c1_lo = maj64_lo(ah, al, bh, bl, ch, cl); var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo); var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo); hh = gh; hl = gl; gh = fh; gl = fl; fh = eh; fl = el; eh = sum64_hi(dh, dl, T1_hi, T1_lo); el = sum64_lo(dl, dl, T1_hi, T1_lo); dh = ch; dl = cl; ch = bh; cl = bl; bh = ah; bl = al; ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo); al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo); } sum64(this.h, 0, ah, al); sum64(this.h, 2, bh, bl); sum64(this.h, 4, ch, cl); sum64(this.h, 6, dh, dl); sum64(this.h, 8, eh, el); sum64(this.h, 10, fh, fl); sum64(this.h, 12, gh, gl); sum64(this.h, 14, hh, hl); }; SHA512.prototype._digest = function digest(enc) { if (enc === 'hex') return utils.toHex32(this.h, 'big'); else return utils.split32(this.h, 'big'); }; function ch64_hi(xh, xl, yh, yl, zh) { var r = (xh & yh) ^ ((~xh) & zh); if (r < 0) r += 0x100000000; return r; } function ch64_lo(xh, xl, yh, yl, zh, zl) { var r = (xl & yl) ^ ((~xl) & zl); if (r < 0) r += 0x100000000; return r; } function maj64_hi(xh, xl, yh, yl, zh) { var r = (xh & yh) ^ (xh & zh) ^ (yh & zh); if (r < 0) r += 0x100000000; return r; } function maj64_lo(xh, xl, yh, yl, zh, zl) { var r = (xl & yl) ^ (xl & zl) ^ (yl & zl); if (r < 0) r += 0x100000000; return r; } function s0_512_hi(xh, xl) { var c0_hi = rotr64_hi(xh, xl, 28); var c1_hi = rotr64_hi(xl, xh, 2); // 34 var c2_hi = rotr64_hi(xl, xh, 7); // 39 var r = c0_hi ^ c1_hi ^ c2_hi; if (r < 0) r += 0x100000000; return r; } function s0_512_lo(xh, xl) { var c0_lo = rotr64_lo(xh, xl, 28); var c1_lo = rotr64_lo(xl, xh, 2); // 34 var c2_lo = rotr64_lo(xl, xh, 7); // 39 var r = c0_lo ^ c1_lo ^ c2_lo; if (r < 0) r += 0x100000000; return r; } function s1_512_hi(xh, xl) { var c0_hi = rotr64_hi(xh, xl, 14); var c1_hi = rotr64_hi(xh, xl, 18); var c2_hi = rotr64_hi(xl, xh, 9); // 41 var r = c0_hi ^ c1_hi ^ c2_hi; if (r < 0) r += 0x100000000; return r; } function s1_512_lo(xh, xl) { var c0_lo = rotr64_lo(xh, xl, 14); var c1_lo = rotr64_lo(xh, xl, 18); var c2_lo = rotr64_lo(xl, xh, 9); // 41 var r = c0_lo ^ c1_lo ^ c2_lo; if (r < 0) r += 0x100000000; return r; } function g0_512_hi(xh, xl) { var c0_hi = rotr64_hi(xh, xl, 1); var c1_hi = rotr64_hi(xh, xl, 8); var c2_hi = shr64_hi(xh, xl, 7); var r = c0_hi ^ c1_hi ^ c2_hi; if (r < 0) r += 0x100000000; return r; } function g0_512_lo(xh, xl) { var c0_lo = rotr64_lo(xh, xl, 1); var c1_lo = rotr64_lo(xh, xl, 8); var c2_lo = shr64_lo(xh, xl, 7); var r = c0_lo ^ c1_lo ^ c2_lo; if (r < 0) r += 0x100000000; return r; } function g1_512_hi(xh, xl) { var c0_hi = rotr64_hi(xh, xl, 19); var c1_hi = rotr64_hi(xl, xh, 29); // 61 var c2_hi = shr64_hi(xh, xl, 6); var r = c0_hi ^ c1_hi ^ c2_hi; if (r < 0) r += 0x100000000; return r; } function g1_512_lo(xh, xl) { var c0_lo = rotr64_lo(xh, xl, 19); var c1_lo = rotr64_lo(xl, xh, 29); // 61 var c2_lo = shr64_lo(xh, xl, 6); var r = c0_lo ^ c1_lo ^ c2_lo; if (r < 0) r += 0x100000000; return r; } /***/ }), /***/ "../../node_modules/hash.js/lib/hash/sha/common.js": /*!*********************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/sha/common.js ***! \*********************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var utils = __webpack_require__(/*! ../utils */ "../../node_modules/hash.js/lib/hash/utils.js"); var rotr32 = utils.rotr32; function ft_1(s, x, y, z) { if (s === 0) return ch32(x, y, z); if (s === 1 || s === 3) return p32(x, y, z); if (s === 2) return maj32(x, y, z); } exports.ft_1 = ft_1; function ch32(x, y, z) { return (x & y) ^ ((~x) & z); } exports.ch32 = ch32; function maj32(x, y, z) { return (x & y) ^ (x & z) ^ (y & z); } exports.maj32 = maj32; function p32(x, y, z) { return x ^ y ^ z; } exports.p32 = p32; function s0_256(x) { return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22); } exports.s0_256 = s0_256; function s1_256(x) { return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25); } exports.s1_256 = s1_256; function g0_256(x) { return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3); } exports.g0_256 = g0_256; function g1_256(x) { return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10); } exports.g1_256 = g1_256; /***/ }), /***/ "../../node_modules/hash.js/lib/hash/utils.js": /*!****************************************************!*\ !*** ../../node_modules/hash.js/lib/hash/utils.js ***! \****************************************************/ /***/ ((__unused_webpack_module, exports, __webpack_require__) => { "use strict"; var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); var inherits = __webpack_require__(/*! inherits */ "../../node_modules/inherits/inherits_browser.js"); exports.inherits = inherits; function isSurrogatePair(msg, i) { if ((msg.charCodeAt(i) & 0xFC00) !== 0xD800) { return false; } if (i < 0 || i + 1 >= msg.length) { return false; } return (msg.charCodeAt(i + 1) & 0xFC00) === 0xDC00; } function toArray(msg, enc) { if (Array.isArray(msg)) return msg.slice(); if (!msg) return []; var res = []; if (typeof msg === 'string') { if (!enc) { // Inspired by stringToUtf8ByteArray() in closure-library by Google // https://github.com/google/closure-library/blob/8598d87242af59aac233270742c8984e2b2bdbe0/closure/goog/crypt/crypt.js#L117-L143 // Apache License 2.0 // https://github.com/google/closure-library/blob/master/LICENSE var p = 0; for (var i = 0; i < msg.length; i++) { var c = msg.charCodeAt(i); if (c < 128) { res[p++] = c; } else if (c < 2048) { res[p++] = (c >> 6) | 192; res[p++] = (c & 63) | 128; } else if (isSurrogatePair(msg, i)) { c = 0x10000 + ((c & 0x03FF) << 10) + (msg.charCodeAt(++i) & 0x03FF); res[p++] = (c >> 18) | 240; res[p++] = ((c >> 12) & 63) | 128; res[p++] = ((c >> 6) & 63) | 128; res[p++] = (c & 63) | 128; } else { res[p++] = (c >> 12) | 224; res[p++] = ((c >> 6) & 63) | 128; res[p++] = (c & 63) | 128; } } } else if (enc === 'hex') { msg = msg.replace(/[^a-z0-9]+/ig, ''); if (msg.length % 2 !== 0) msg = '0' + msg; for (i = 0; i < msg.length; i += 2) res.push(parseInt(msg[i] + msg[i + 1], 16)); } } else { for (i = 0; i < msg.length; i++) res[i] = msg[i] | 0; } return res; } exports.toArray = toArray; function toHex(msg) { var res = ''; for (var i = 0; i < msg.length; i++) res += zero2(msg[i].toString(16)); return res; } exports.toHex = toHex; function htonl(w) { var res = (w >>> 24) | ((w >>> 8) & 0xff00) | ((w << 8) & 0xff0000) | ((w & 0xff) << 24); return res >>> 0; } exports.htonl = htonl; function toHex32(msg, endian) { var res = ''; for (var i = 0; i < msg.length; i++) { var w = msg[i]; if (endian === 'little') w = htonl(w); res += zero8(w.toString(16)); } return res; } exports.toHex32 = toHex32; function zero2(word) { if (word.length === 1) return '0' + word; else return word; } exports.zero2 = zero2; function zero8(word) { if (word.length === 7) return '0' + word; else if (word.length === 6) return '00' + word; else if (word.length === 5) return '000' + word; else if (word.length === 4) return '0000' + word; else if (word.length === 3) return '00000' + word; else if (word.length === 2) return '000000' + word; else if (word.length === 1) return '0000000' + word; else return word; } exports.zero8 = zero8; function join32(msg, start, end, endian) { var len = end - start; assert(len % 4 === 0); var res = new Array(len / 4); for (var i = 0, k = start; i < res.length; i++, k += 4) { var w; if (endian === 'big') w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3]; else w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k]; res[i] = w >>> 0; } return res; } exports.join32 = join32; function split32(msg, endian) { var res = new Array(msg.length * 4); for (var i = 0, k = 0; i < msg.length; i++, k += 4) { var m = msg[i]; if (endian === 'big') { res[k] = m >>> 24; res[k + 1] = (m >>> 16) & 0xff; res[k + 2] = (m >>> 8) & 0xff; res[k + 3] = m & 0xff; } else { res[k + 3] = m >>> 24; res[k + 2] = (m >>> 16) & 0xff; res[k + 1] = (m >>> 8) & 0xff; res[k] = m & 0xff; } } return res; } exports.split32 = split32; function rotr32(w, b) { return (w >>> b) | (w << (32 - b)); } exports.rotr32 = rotr32; function rotl32(w, b) { return (w << b) | (w >>> (32 - b)); } exports.rotl32 = rotl32; function sum32(a, b) { return (a + b) >>> 0; } exports.sum32 = sum32; function sum32_3(a, b, c) { return (a + b + c) >>> 0; } exports.sum32_3 = sum32_3; function sum32_4(a, b, c, d) { return (a + b + c + d) >>> 0; } exports.sum32_4 = sum32_4; function sum32_5(a, b, c, d, e) { return (a + b + c + d + e) >>> 0; } exports.sum32_5 = sum32_5; function sum64(buf, pos, ah, al) { var bh = buf[pos]; var bl = buf[pos + 1]; var lo = (al + bl) >>> 0; var hi = (lo < al ? 1 : 0) + ah + bh; buf[pos] = hi >>> 0; buf[pos + 1] = lo; } exports.sum64 = sum64; function sum64_hi(ah, al, bh, bl) { var lo = (al + bl) >>> 0; var hi = (lo < al ? 1 : 0) + ah + bh; return hi >>> 0; } exports.sum64_hi = sum64_hi; function sum64_lo(ah, al, bh, bl) { var lo = al + bl; return lo >>> 0; } exports.sum64_lo = sum64_lo; function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) { var carry = 0; var lo = al; lo = (lo + bl) >>> 0; carry += lo < al ? 1 : 0; lo = (lo + cl) >>> 0; carry += lo < cl ? 1 : 0; lo = (lo + dl) >>> 0; carry += lo < dl ? 1 : 0; var hi = ah + bh + ch + dh + carry; return hi >>> 0; } exports.sum64_4_hi = sum64_4_hi; function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) { var lo = al + bl + cl + dl; return lo >>> 0; } exports.sum64_4_lo = sum64_4_lo; function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) { var carry = 0; var lo = al; lo = (lo + bl) >>> 0; carry += lo < al ? 1 : 0; lo = (lo + cl) >>> 0; carry += lo < cl ? 1 : 0; lo = (lo + dl) >>> 0; carry += lo < dl ? 1 : 0; lo = (lo + el) >>> 0; carry += lo < el ? 1 : 0; var hi = ah + bh + ch + dh + eh + carry; return hi >>> 0; } exports.sum64_5_hi = sum64_5_hi; function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) { var lo = al + bl + cl + dl + el; return lo >>> 0; } exports.sum64_5_lo = sum64_5_lo; function rotr64_hi(ah, al, num) { var r = (al << (32 - num)) | (ah >>> num); return r >>> 0; } exports.rotr64_hi = rotr64_hi; function rotr64_lo(ah, al, num) { var r = (ah << (32 - num)) | (al >>> num); return r >>> 0; } exports.rotr64_lo = rotr64_lo; function shr64_hi(ah, al, num) { return ah >>> num; } exports.shr64_hi = shr64_hi; function shr64_lo(ah, al, num) { var r = (ah << (32 - num)) | (al >>> num); return r >>> 0; } exports.shr64_lo = shr64_lo; /***/ }), /***/ "../../node_modules/hmac-drbg/lib/hmac-drbg.js": /*!*****************************************************!*\ !*** ../../node_modules/hmac-drbg/lib/hmac-drbg.js ***! \*****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var hash = __webpack_require__(/*! hash.js */ "../../node_modules/hash.js/lib/hash.js"); var utils = __webpack_require__(/*! minimalistic-crypto-utils */ "../../node_modules/minimalistic-crypto-utils/lib/utils.js"); var assert = __webpack_require__(/*! minimalistic-assert */ "../../node_modules/minimalistic-assert/index.js"); function HmacDRBG(options) { if (!(this instanceof HmacDRBG)) return new HmacDRBG(options); this.hash = options.hash; this.predResist = !!options.predResist; this.outLen = this.hash.outSize; this.minEntropy = options.minEntropy || this.hash.hmacStrength; this._reseed = null; this.reseedInterval = null; this.K = null; this.V = null; var entropy = utils.toArray(options.entropy, options.entropyEnc || 'hex'); var nonce = utils.toArray(options.nonce, options.nonceEnc || 'hex'); var pers = utils.toArray(options.pers, options.persEnc || 'hex'); assert(entropy.length >= (this.minEntropy / 8), 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits'); this._init(entropy, nonce, pers); } module.exports = HmacDRBG; HmacDRBG.prototype._init = function init(entropy, nonce, pers) { var seed = entropy.concat(nonce).concat(pers); this.K = new Array(this.outLen / 8); this.V = new Array(this.outLen / 8); for (var i = 0; i < this.V.length; i++) { this.K[i] = 0x00; this.V[i] = 0x01; } this._update(seed); this._reseed = 1; this.reseedInterval = 0x1000000000000; // 2^48 }; HmacDRBG.prototype._hmac = function hmac() { return new hash.hmac(this.hash, this.K); }; HmacDRBG.prototype._update = function update(seed) { var kmac = this._hmac() .update(this.V) .update([ 0x00 ]); if (seed) kmac = kmac.update(seed); this.K = kmac.digest(); this.V = this._hmac().update(this.V).digest(); if (!seed) return; this.K = this._hmac() .update(this.V) .update([ 0x01 ]) .update(seed) .digest(); this.V = this._hmac().update(this.V).digest(); }; HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) { // Optional entropy enc if (typeof entropyEnc !== 'string') { addEnc = add; add = entropyEnc; entropyEnc = null; } entropy = utils.toArray(entropy, entropyEnc); add = utils.toArray(add, addEnc); assert(entropy.length >= (this.minEntropy / 8), 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits'); this._update(entropy.concat(add || [])); this._reseed = 1; }; HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) { if (this._reseed > this.reseedInterval) throw new Error('Reseed is required'); // Optional encoding if (typeof enc !== 'string') { addEnc = add; add = enc; enc = null; } // Optional additional data if (add) { add = utils.toArray(add, addEnc || 'hex'); this._update(add); } var temp = []; while (temp.length < len) { this.V = this._hmac().update(this.V).digest(); temp = temp.concat(this.V); } var res = temp.slice(0, len); this._update(add); this._reseed++; return utils.encode(res, enc); }; /***/ }), /***/ "../../node_modules/https-browserify/index.js": /*!****************************************************!*\ !*** ../../node_modules/https-browserify/index.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var http = __webpack_require__(/*! http */ "../../node_modules/stream-http/index.js") var url = __webpack_require__(/*! url */ "../../node_modules/url/url.js") var https = module.exports for (var key in http) { if (http.hasOwnProperty(key)) https[key] = http[key] } https.request = function (params, cb) { params = validateParams(params) return http.request.call(this, params, cb) } https.get = function (params, cb) { params = validateParams(params) return http.get.call(this, params, cb) } function validateParams (params) { if (typeof params === 'string') { params = url.parse(params) } if (!params.protocol) { params.protocol = 'https:' } if (params.protocol !== 'https:') { throw new Error('Protocol "' + params.protocol + '" not supported. Expected "https:"') } return params } /***/ }), /***/ "../../node_modules/ieee754/index.js": /*!*******************************************!*\ !*** ../../node_modules/ieee754/index.js ***! \*******************************************/ /***/ ((__unused_webpack_module, exports) => { /*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */ exports.read = function (buffer, offset, isLE, mLen, nBytes) { var e, m var eLen = (nBytes * 8) - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var nBits = -7 var i = isLE ? (nBytes - 1) : 0 var d = isLE ? -1 : 1 var s = buffer[offset + i] i += d e = s & ((1 << (-nBits)) - 1) s >>= (-nBits) nBits += eLen for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} m = e & ((1 << (-nBits)) - 1) e >>= (-nBits) nBits += mLen for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} if (e === 0) { e = 1 - eBias } else if (e === eMax) { return m ? NaN : ((s ? -1 : 1) * Infinity) } else { m = m + Math.pow(2, mLen) e = e - eBias } return (s ? -1 : 1) * m * Math.pow(2, e - mLen) } exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { var e, m, c var eLen = (nBytes * 8) - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) var i = isLE ? 0 : (nBytes - 1) var d = isLE ? 1 : -1 var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 value = Math.abs(value) if (isNaN(value) || value === Infinity) { m = isNaN(value) ? 1 : 0 e = eMax } else { e = Math.floor(Math.log(value) / Math.LN2) if (value * (c = Math.pow(2, -e)) < 1) { e-- c *= 2 } if (e + eBias >= 1) { value += rt / c } else { value += rt * Math.pow(2, 1 - eBias) } if (value * c >= 2) { e++ c /= 2 } if (e + eBias >= eMax) { m = 0 e = eMax } else if (e + eBias >= 1) { m = ((value * c) - 1) * Math.pow(2, mLen) e = e + eBias } else { m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) e = 0 } } for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} e = (e << mLen) | m eLen += mLen for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} buffer[offset + i - d] |= s * 128 } /***/ }), /***/ "../../node_modules/inherits/inherits_browser.js": /*!*******************************************************!*\ !*** ../../node_modules/inherits/inherits_browser.js ***! \*******************************************************/ /***/ ((module) => { if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { if (superCtor) { ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }) } }; } else { // old school shim for old browsers module.exports = function inherits(ctor, superCtor) { if (superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } } /***/ }), /***/ "../../node_modules/is-arguments/index.js": /*!************************************************!*\ !*** ../../node_modules/is-arguments/index.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var hasToStringTag = __webpack_require__(/*! has-tostringtag/shams */ "../../node_modules/has-tostringtag/shams.js")(); var callBound = __webpack_require__(/*! call-bind/callBound */ "../../node_modules/call-bind/callBound.js"); var $toString = callBound('Object.prototype.toString'); var isStandardArguments = function isArguments(value) { if (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) { return false; } return $toString(value) === '[object Arguments]'; }; var isLegacyArguments = function isArguments(value) { if (isStandardArguments(value)) { return true; } return value !== null && typeof value === 'object' && typeof value.length === 'number' && value.length >= 0 && $toString(value) !== '[object Array]' && $toString(value.callee) === '[object Function]'; }; var supportsStandardArguments = (function () { return isStandardArguments(arguments); }()); isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests module.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments; /***/ }), /***/ "../../node_modules/is-callable/index.js": /*!***********************************************!*\ !*** ../../node_modules/is-callable/index.js ***! \***********************************************/ /***/ ((module) => { "use strict"; var fnToStr = Function.prototype.toString; var reflectApply = typeof Reflect === 'object' && Reflect !== null && Reflect.apply; var badArrayLike; var isCallableMarker; if (typeof reflectApply === 'function' && typeof Object.defineProperty === 'function') { try { badArrayLike = Object.defineProperty({}, 'length', { get: function () { throw isCallableMarker; } }); isCallableMarker = {}; // eslint-disable-next-line no-throw-literal reflectApply(function () { throw 42; }, null, badArrayLike); } catch (_) { if (_ !== isCallableMarker) { reflectApply = null; } } } else { reflectApply = null; } var constructorRegex = /^\s*class\b/; var isES6ClassFn = function isES6ClassFunction(value) { try { var fnStr = fnToStr.call(value); return constructorRegex.test(fnStr); } catch (e) { return false; // not a function } }; var tryFunctionObject = function tryFunctionToStr(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }; var toStr = Object.prototype.toString; var objectClass = '[object Object]'; var fnClass = '[object Function]'; var genClass = '[object GeneratorFunction]'; var ddaClass = '[object HTMLAllCollection]'; // IE 11 var ddaClass2 = '[object HTML document.all class]'; var ddaClass3 = '[object HTMLCollection]'; // IE 9-10 var hasToStringTag = typeof Symbol === 'function' && !!Symbol.toStringTag; // better: use `has-tostringtag` var isIE68 = !(0 in [,]); // eslint-disable-line no-sparse-arrays, comma-spacing var isDDA = function isDocumentDotAll() { return false; }; if (typeof document === 'object') { // Firefox 3 canonicalizes DDA to undefined when it's not accessed directly var all = document.all; if (toStr.call(all) === toStr.call(document.all)) { isDDA = function isDocumentDotAll(value) { /* globals document: false */ // in IE 6-8, typeof document.all is "object" and it's truthy if ((isIE68 || !value) && (typeof value === 'undefined' || typeof value === 'object')) { try { var str = toStr.call(value); return ( str === ddaClass || str === ddaClass2 || str === ddaClass3 // opera 12.16 || str === objectClass // IE 6-8 ) && value('') == null; // eslint-disable-line eqeqeq } catch (e) { /**/ } } return false; }; } } module.exports = reflectApply ? function isCallable(value) { if (isDDA(value)) { return true; } if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } try { reflectApply(value, null, badArrayLike); } catch (e) { if (e !== isCallableMarker) { return false; } } return !isES6ClassFn(value) && tryFunctionObject(value); } : function isCallable(value) { if (isDDA(value)) { return true; } if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = toStr.call(value); if (strClass !== fnClass && strClass !== genClass && !(/^\[object HTML/).test(strClass)) { return false; } return tryFunctionObject(value); }; /***/ }), /***/ "../../node_modules/is-generator-function/index.js": /*!*********************************************************!*\ !*** ../../node_modules/is-generator-function/index.js ***! \*********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var toStr = Object.prototype.toString; var fnToStr = Function.prototype.toString; var isFnRegex = /^\s*(?:function)?\*/; var hasToStringTag = __webpack_require__(/*! has-tostringtag/shams */ "../../node_modules/has-tostringtag/shams.js")(); var getProto = Object.getPrototypeOf; var getGeneratorFunc = function () { // eslint-disable-line consistent-return if (!hasToStringTag) { return false; } try { return Function('return function*() {}')(); } catch (e) { } }; var GeneratorFunction; module.exports = function isGeneratorFunction(fn) { if (typeof fn !== 'function') { return false; } if (isFnRegex.test(fnToStr.call(fn))) { return true; } if (!hasToStringTag) { var str = toStr.call(fn); return str === '[object GeneratorFunction]'; } if (!getProto) { return false; } if (typeof GeneratorFunction === 'undefined') { var generatorFunc = getGeneratorFunc(); GeneratorFunction = generatorFunc ? getProto(generatorFunc) : false; } return getProto(fn) === GeneratorFunction; }; /***/ }), /***/ "../../node_modules/is-nan/implementation.js": /*!***************************************************!*\ !*** ../../node_modules/is-nan/implementation.js ***! \***************************************************/ /***/ ((module) => { "use strict"; /* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */ module.exports = function isNaN(value) { return value !== value; }; /***/ }), /***/ "../../node_modules/is-nan/index.js": /*!******************************************!*\ !*** ../../node_modules/is-nan/index.js ***! \******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var callBind = __webpack_require__(/*! call-bind */ "../../node_modules/call-bind/index.js"); var define = __webpack_require__(/*! define-properties */ "../../node_modules/define-properties/index.js"); var implementation = __webpack_require__(/*! ./implementation */ "../../node_modules/is-nan/implementation.js"); var getPolyfill = __webpack_require__(/*! ./polyfill */ "../../node_modules/is-nan/polyfill.js"); var shim = __webpack_require__(/*! ./shim */ "../../node_modules/is-nan/shim.js"); var polyfill = callBind(getPolyfill(), Number); /* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */ define(polyfill, { getPolyfill: getPolyfill, implementation: implementation, shim: shim }); module.exports = polyfill; /***/ }), /***/ "../../node_modules/is-nan/polyfill.js": /*!*********************************************!*\ !*** ../../node_modules/is-nan/polyfill.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var implementation = __webpack_require__(/*! ./implementation */ "../../node_modules/is-nan/implementation.js"); module.exports = function getPolyfill() { if (Number.isNaN && Number.isNaN(NaN) && !Number.isNaN('a')) { return Number.isNaN; } return implementation; }; /***/ }), /***/ "../../node_modules/is-nan/shim.js": /*!*****************************************!*\ !*** ../../node_modules/is-nan/shim.js ***! \*****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var define = __webpack_require__(/*! define-properties */ "../../node_modules/define-properties/index.js"); var getPolyfill = __webpack_require__(/*! ./polyfill */ "../../node_modules/is-nan/polyfill.js"); /* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */ module.exports = function shimNumberIsNaN() { var polyfill = getPolyfill(); define(Number, { isNaN: polyfill }, { isNaN: function testIsNaN() { return Number.isNaN !== polyfill; } }); return polyfill; }; /***/ }), /***/ "../../node_modules/is-typed-array/index.js": /*!**************************************************!*\ !*** ../../node_modules/is-typed-array/index.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { "use strict"; var forEach = __webpack_require__(/*! for-each */ "../../node_modules/for-each/index.js"); var availableTypedArrays = __webpack_require__(/*! available-typed-arrays */ "../../node_modules/available-typed-arrays/index.js"); var callBound = __webpack_require__(/*! call-bind/callBound */ "../../node_modules/call-bind/callBound.js"); var $toString = callBound('Object.prototype.toString'); var hasToStringTag = __webpack_require__(/*! has-tostringtag/shams */ "../../node_modules/has-tostringtag/shams.js")(); var gOPD = __webpack_require__(/*! gopd */ "../../node_modules/gopd/index.js"); var g = typeof globalThis === 'undefined' ? __webpack_require__.g : globalThis; var typedArrays = availableTypedArrays(); var $indexOf = callBound('Array.prototype.indexOf', true) || function indexOf(array, value) { for (var i = 0; i < array.length; i += 1) { if (array[i] === value) { return i; } } return -1; }; var $slice = callBound('String.prototype.slice'); var toStrTags = {}; var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof'); if (hasToStringTag && gOPD && getPrototypeOf) { forEach(typedArrays, function (typedArray) { var arr = new g[typedArray](); if (Symbol.toStringTag in arr) { var proto = getPrototypeOf(arr); var descriptor = gOPD(proto, Symbol.toStringTag); if (!descriptor) { var superProto = getPrototypeOf(proto); descriptor = gOPD(superProto, Symbol.toStringTag); } toStrTags[typedArray] = descriptor.get; } }); } var tryTypedArrays = function tryAllTypedArrays(value) { var anyTrue = false; forEach(toStrTags, function (getter, typedArray) { if (!anyTrue) { try { anyTrue = getter.call(value) === typedArray; } catch (e) { /**/ } } }); return anyTrue; }; module.exports = function isTypedArray(value) { if (!value || typeof value !== 'object') { return false; } if (!hasToStringTag || !(Symbol.toStringTag in value)) { var tag = $slice($toString(value), 8, -1); return $indexOf(typedArrays, tag) > -1; } if (!gOPD) { return false; } return tryTypedArrays(value); }; /***/ }), /***/ "../../node_modules/lodash/_DataView.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_DataView.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"), root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /* Built-in method references that are verified to be native. */ var DataView = getNative(root, 'DataView'); module.exports = DataView; /***/ }), /***/ "../../node_modules/lodash/_Hash.js": /*!******************************************!*\ !*** ../../node_modules/lodash/_Hash.js ***! \******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var hashClear = __webpack_require__(/*! ./_hashClear */ "../../node_modules/lodash/_hashClear.js"), hashDelete = __webpack_require__(/*! ./_hashDelete */ "../../node_modules/lodash/_hashDelete.js"), hashGet = __webpack_require__(/*! ./_hashGet */ "../../node_modules/lodash/_hashGet.js"), hashHas = __webpack_require__(/*! ./_hashHas */ "../../node_modules/lodash/_hashHas.js"), hashSet = __webpack_require__(/*! ./_hashSet */ "../../node_modules/lodash/_hashSet.js"); /** * Creates a hash object. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function Hash(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } // Add methods to `Hash`. Hash.prototype.clear = hashClear; Hash.prototype['delete'] = hashDelete; Hash.prototype.get = hashGet; Hash.prototype.has = hashHas; Hash.prototype.set = hashSet; module.exports = Hash; /***/ }), /***/ "../../node_modules/lodash/_ListCache.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_ListCache.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var listCacheClear = __webpack_require__(/*! ./_listCacheClear */ "../../node_modules/lodash/_listCacheClear.js"), listCacheDelete = __webpack_require__(/*! ./_listCacheDelete */ "../../node_modules/lodash/_listCacheDelete.js"), listCacheGet = __webpack_require__(/*! ./_listCacheGet */ "../../node_modules/lodash/_listCacheGet.js"), listCacheHas = __webpack_require__(/*! ./_listCacheHas */ "../../node_modules/lodash/_listCacheHas.js"), listCacheSet = __webpack_require__(/*! ./_listCacheSet */ "../../node_modules/lodash/_listCacheSet.js"); /** * Creates an list cache object. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function ListCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } // Add methods to `ListCache`. ListCache.prototype.clear = listCacheClear; ListCache.prototype['delete'] = listCacheDelete; ListCache.prototype.get = listCacheGet; ListCache.prototype.has = listCacheHas; ListCache.prototype.set = listCacheSet; module.exports = ListCache; /***/ }), /***/ "../../node_modules/lodash/_Map.js": /*!*****************************************!*\ !*** ../../node_modules/lodash/_Map.js ***! \*****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"), root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /* Built-in method references that are verified to be native. */ var Map = getNative(root, 'Map'); module.exports = Map; /***/ }), /***/ "../../node_modules/lodash/_MapCache.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_MapCache.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var mapCacheClear = __webpack_require__(/*! ./_mapCacheClear */ "../../node_modules/lodash/_mapCacheClear.js"), mapCacheDelete = __webpack_require__(/*! ./_mapCacheDelete */ "../../node_modules/lodash/_mapCacheDelete.js"), mapCacheGet = __webpack_require__(/*! ./_mapCacheGet */ "../../node_modules/lodash/_mapCacheGet.js"), mapCacheHas = __webpack_require__(/*! ./_mapCacheHas */ "../../node_modules/lodash/_mapCacheHas.js"), mapCacheSet = __webpack_require__(/*! ./_mapCacheSet */ "../../node_modules/lodash/_mapCacheSet.js"); /** * Creates a map cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function MapCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } // Add methods to `MapCache`. MapCache.prototype.clear = mapCacheClear; MapCache.prototype['delete'] = mapCacheDelete; MapCache.prototype.get = mapCacheGet; MapCache.prototype.has = mapCacheHas; MapCache.prototype.set = mapCacheSet; module.exports = MapCache; /***/ }), /***/ "../../node_modules/lodash/_Promise.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_Promise.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"), root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /* Built-in method references that are verified to be native. */ var Promise = getNative(root, 'Promise'); module.exports = Promise; /***/ }), /***/ "../../node_modules/lodash/_Set.js": /*!*****************************************!*\ !*** ../../node_modules/lodash/_Set.js ***! \*****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"), root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /* Built-in method references that are verified to be native. */ var Set = getNative(root, 'Set'); module.exports = Set; /***/ }), /***/ "../../node_modules/lodash/_SetCache.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_SetCache.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var MapCache = __webpack_require__(/*! ./_MapCache */ "../../node_modules/lodash/_MapCache.js"), setCacheAdd = __webpack_require__(/*! ./_setCacheAdd */ "../../node_modules/lodash/_setCacheAdd.js"), setCacheHas = __webpack_require__(/*! ./_setCacheHas */ "../../node_modules/lodash/_setCacheHas.js"); /** * * Creates an array cache object to store unique values. * * @private * @constructor * @param {Array} [values] The values to cache. */ function SetCache(values) { var index = -1, length = values == null ? 0 : values.length; this.__data__ = new MapCache; while (++index < length) { this.add(values[index]); } } // Add methods to `SetCache`. SetCache.prototype.add = SetCache.prototype.push = setCacheAdd; SetCache.prototype.has = setCacheHas; module.exports = SetCache; /***/ }), /***/ "../../node_modules/lodash/_Stack.js": /*!*******************************************!*\ !*** ../../node_modules/lodash/_Stack.js ***! \*******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var ListCache = __webpack_require__(/*! ./_ListCache */ "../../node_modules/lodash/_ListCache.js"), stackClear = __webpack_require__(/*! ./_stackClear */ "../../node_modules/lodash/_stackClear.js"), stackDelete = __webpack_require__(/*! ./_stackDelete */ "../../node_modules/lodash/_stackDelete.js"), stackGet = __webpack_require__(/*! ./_stackGet */ "../../node_modules/lodash/_stackGet.js"), stackHas = __webpack_require__(/*! ./_stackHas */ "../../node_modules/lodash/_stackHas.js"), stackSet = __webpack_require__(/*! ./_stackSet */ "../../node_modules/lodash/_stackSet.js"); /** * Creates a stack cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function Stack(entries) { var data = this.__data__ = new ListCache(entries); this.size = data.size; } // Add methods to `Stack`. Stack.prototype.clear = stackClear; Stack.prototype['delete'] = stackDelete; Stack.prototype.get = stackGet; Stack.prototype.has = stackHas; Stack.prototype.set = stackSet; module.exports = Stack; /***/ }), /***/ "../../node_modules/lodash/_Symbol.js": /*!********************************************!*\ !*** ../../node_modules/lodash/_Symbol.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /** Built-in value references. */ var Symbol = root.Symbol; module.exports = Symbol; /***/ }), /***/ "../../node_modules/lodash/_Uint8Array.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_Uint8Array.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /** Built-in value references. */ var Uint8Array = root.Uint8Array; module.exports = Uint8Array; /***/ }), /***/ "../../node_modules/lodash/_WeakMap.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_WeakMap.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"), root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /* Built-in method references that are verified to be native. */ var WeakMap = getNative(root, 'WeakMap'); module.exports = WeakMap; /***/ }), /***/ "../../node_modules/lodash/_arrayAggregator.js": /*!*****************************************************!*\ !*** ../../node_modules/lodash/_arrayAggregator.js ***! \*****************************************************/ /***/ ((module) => { /** * A specialized version of `baseAggregator` for arrays. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} setter The function to set `accumulator` values. * @param {Function} iteratee The iteratee to transform keys. * @param {Object} accumulator The initial aggregated object. * @returns {Function} Returns `accumulator`. */ function arrayAggregator(array, setter, iteratee, accumulator) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { var value = array[index]; setter(accumulator, value, iteratee(value), array); } return accumulator; } module.exports = arrayAggregator; /***/ }), /***/ "../../node_modules/lodash/_arrayFilter.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_arrayFilter.js ***! \*************************************************/ /***/ ((module) => { /** * A specialized version of `_.filter` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {Array} Returns the new filtered array. */ function arrayFilter(array, predicate) { var index = -1, length = array == null ? 0 : array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index]; if (predicate(value, index, array)) { result[resIndex++] = value; } } return result; } module.exports = arrayFilter; /***/ }), /***/ "../../node_modules/lodash/_arrayLikeKeys.js": /*!***************************************************!*\ !*** ../../node_modules/lodash/_arrayLikeKeys.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseTimes = __webpack_require__(/*! ./_baseTimes */ "../../node_modules/lodash/_baseTimes.js"), isArguments = __webpack_require__(/*! ./isArguments */ "../../node_modules/lodash/isArguments.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), isBuffer = __webpack_require__(/*! ./isBuffer */ "../../node_modules/lodash/isBuffer.js"), isIndex = __webpack_require__(/*! ./_isIndex */ "../../node_modules/lodash/_isIndex.js"), isTypedArray = __webpack_require__(/*! ./isTypedArray */ "../../node_modules/lodash/isTypedArray.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Creates an array of the enumerable property names of the array-like `value`. * * @private * @param {*} value The value to query. * @param {boolean} inherited Specify returning inherited property names. * @returns {Array} Returns the array of property names. */ function arrayLikeKeys(value, inherited) { var isArr = isArray(value), isArg = !isArr && isArguments(value), isBuff = !isArr && !isArg && isBuffer(value), isType = !isArr && !isArg && !isBuff && isTypedArray(value), skipIndexes = isArr || isArg || isBuff || isType, result = skipIndexes ? baseTimes(value.length, String) : [], length = result.length; for (var key in value) { if ((inherited || hasOwnProperty.call(value, key)) && !(skipIndexes && ( // Safari 9 has enumerable `arguments.length` in strict mode. key == 'length' || // Node.js 0.10 has enumerable non-index properties on buffers. (isBuff && (key == 'offset' || key == 'parent')) || // PhantomJS 2 has enumerable non-index properties on typed arrays. (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) || // Skip index properties. isIndex(key, length) ))) { result.push(key); } } return result; } module.exports = arrayLikeKeys; /***/ }), /***/ "../../node_modules/lodash/_arrayMap.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_arrayMap.js ***! \**********************************************/ /***/ ((module) => { /** * A specialized version of `_.map` for arrays without support for iteratee * shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the new mapped array. */ function arrayMap(array, iteratee) { var index = -1, length = array == null ? 0 : array.length, result = Array(length); while (++index < length) { result[index] = iteratee(array[index], index, array); } return result; } module.exports = arrayMap; /***/ }), /***/ "../../node_modules/lodash/_arrayPush.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_arrayPush.js ***! \***********************************************/ /***/ ((module) => { /** * Appends the elements of `values` to `array`. * * @private * @param {Array} array The array to modify. * @param {Array} values The values to append. * @returns {Array} Returns `array`. */ function arrayPush(array, values) { var index = -1, length = values.length, offset = array.length; while (++index < length) { array[offset + index] = values[index]; } return array; } module.exports = arrayPush; /***/ }), /***/ "../../node_modules/lodash/_arraySome.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_arraySome.js ***! \***********************************************/ /***/ ((module) => { /** * A specialized version of `_.some` for arrays without support for iteratee * shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if any element passes the predicate check, * else `false`. */ function arraySome(array, predicate) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { if (predicate(array[index], index, array)) { return true; } } return false; } module.exports = arraySome; /***/ }), /***/ "../../node_modules/lodash/_assignValue.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_assignValue.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseAssignValue = __webpack_require__(/*! ./_baseAssignValue */ "../../node_modules/lodash/_baseAssignValue.js"), eq = __webpack_require__(/*! ./eq */ "../../node_modules/lodash/eq.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Assigns `value` to `key` of `object` if the existing value is not equivalent * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignValue(object, key, value) { var objValue = object[key]; if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || (value === undefined && !(key in object))) { baseAssignValue(object, key, value); } } module.exports = assignValue; /***/ }), /***/ "../../node_modules/lodash/_assocIndexOf.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_assocIndexOf.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var eq = __webpack_require__(/*! ./eq */ "../../node_modules/lodash/eq.js"); /** * Gets the index at which the `key` is found in `array` of key-value pairs. * * @private * @param {Array} array The array to inspect. * @param {*} key The key to search for. * @returns {number} Returns the index of the matched value, else `-1`. */ function assocIndexOf(array, key) { var length = array.length; while (length--) { if (eq(array[length][0], key)) { return length; } } return -1; } module.exports = assocIndexOf; /***/ }), /***/ "../../node_modules/lodash/_baseAggregator.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_baseAggregator.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseEach = __webpack_require__(/*! ./_baseEach */ "../../node_modules/lodash/_baseEach.js"); /** * Aggregates elements of `collection` on `accumulator` with keys transformed * by `iteratee` and values set by `setter`. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} setter The function to set `accumulator` values. * @param {Function} iteratee The iteratee to transform keys. * @param {Object} accumulator The initial aggregated object. * @returns {Function} Returns `accumulator`. */ function baseAggregator(collection, setter, iteratee, accumulator) { baseEach(collection, function(value, key, collection) { setter(accumulator, value, iteratee(value), collection); }); return accumulator; } module.exports = baseAggregator; /***/ }), /***/ "../../node_modules/lodash/_baseAssignValue.js": /*!*****************************************************!*\ !*** ../../node_modules/lodash/_baseAssignValue.js ***! \*****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var defineProperty = __webpack_require__(/*! ./_defineProperty */ "../../node_modules/lodash/_defineProperty.js"); /** * The base implementation of `assignValue` and `assignMergeValue` without * value checks. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function baseAssignValue(object, key, value) { if (key == '__proto__' && defineProperty) { defineProperty(object, key, { 'configurable': true, 'enumerable': true, 'value': value, 'writable': true }); } else { object[key] = value; } } module.exports = baseAssignValue; /***/ }), /***/ "../../node_modules/lodash/_baseEach.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_baseEach.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseForOwn = __webpack_require__(/*! ./_baseForOwn */ "../../node_modules/lodash/_baseForOwn.js"), createBaseEach = __webpack_require__(/*! ./_createBaseEach */ "../../node_modules/lodash/_createBaseEach.js"); /** * The base implementation of `_.forEach` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array|Object} Returns `collection`. */ var baseEach = createBaseEach(baseForOwn); module.exports = baseEach; /***/ }), /***/ "../../node_modules/lodash/_baseFlatten.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_baseFlatten.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayPush = __webpack_require__(/*! ./_arrayPush */ "../../node_modules/lodash/_arrayPush.js"), isFlattenable = __webpack_require__(/*! ./_isFlattenable */ "../../node_modules/lodash/_isFlattenable.js"); /** * The base implementation of `_.flatten` with support for restricting flattening. * * @private * @param {Array} array The array to flatten. * @param {number} depth The maximum recursion depth. * @param {boolean} [predicate=isFlattenable] The function invoked per iteration. * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks. * @param {Array} [result=[]] The initial result value. * @returns {Array} Returns the new flattened array. */ function baseFlatten(array, depth, predicate, isStrict, result) { var index = -1, length = array.length; predicate || (predicate = isFlattenable); result || (result = []); while (++index < length) { var value = array[index]; if (depth > 0 && predicate(value)) { if (depth > 1) { // Recursively flatten arrays (susceptible to call stack limits). baseFlatten(value, depth - 1, predicate, isStrict, result); } else { arrayPush(result, value); } } else if (!isStrict) { result[result.length] = value; } } return result; } module.exports = baseFlatten; /***/ }), /***/ "../../node_modules/lodash/_baseFor.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_baseFor.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var createBaseFor = __webpack_require__(/*! ./_createBaseFor */ "../../node_modules/lodash/_createBaseFor.js"); /** * The base implementation of `baseForOwn` which iterates over `object` * properties returned by `keysFunc` and invokes `iteratee` for each property. * Iteratee functions may exit iteration early by explicitly returning `false`. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {Function} keysFunc The function to get the keys of `object`. * @returns {Object} Returns `object`. */ var baseFor = createBaseFor(); module.exports = baseFor; /***/ }), /***/ "../../node_modules/lodash/_baseForOwn.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_baseForOwn.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseFor = __webpack_require__(/*! ./_baseFor */ "../../node_modules/lodash/_baseFor.js"), keys = __webpack_require__(/*! ./keys */ "../../node_modules/lodash/keys.js"); /** * The base implementation of `_.forOwn` without support for iteratee shorthands. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Object} Returns `object`. */ function baseForOwn(object, iteratee) { return object && baseFor(object, iteratee, keys); } module.exports = baseForOwn; /***/ }), /***/ "../../node_modules/lodash/_baseGet.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_baseGet.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var castPath = __webpack_require__(/*! ./_castPath */ "../../node_modules/lodash/_castPath.js"), toKey = __webpack_require__(/*! ./_toKey */ "../../node_modules/lodash/_toKey.js"); /** * The base implementation of `_.get` without support for default values. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @returns {*} Returns the resolved value. */ function baseGet(object, path) { path = castPath(path, object); var index = 0, length = path.length; while (object != null && index < length) { object = object[toKey(path[index++])]; } return (index && index == length) ? object : undefined; } module.exports = baseGet; /***/ }), /***/ "../../node_modules/lodash/_baseGetAllKeys.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_baseGetAllKeys.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayPush = __webpack_require__(/*! ./_arrayPush */ "../../node_modules/lodash/_arrayPush.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"); /** * The base implementation of `getAllKeys` and `getAllKeysIn` which uses * `keysFunc` and `symbolsFunc` to get the enumerable property names and * symbols of `object`. * * @private * @param {Object} object The object to query. * @param {Function} keysFunc The function to get the keys of `object`. * @param {Function} symbolsFunc The function to get the symbols of `object`. * @returns {Array} Returns the array of property names and symbols. */ function baseGetAllKeys(object, keysFunc, symbolsFunc) { var result = keysFunc(object); return isArray(object) ? result : arrayPush(result, symbolsFunc(object)); } module.exports = baseGetAllKeys; /***/ }), /***/ "../../node_modules/lodash/_baseGetTag.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_baseGetTag.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Symbol = __webpack_require__(/*! ./_Symbol */ "../../node_modules/lodash/_Symbol.js"), getRawTag = __webpack_require__(/*! ./_getRawTag */ "../../node_modules/lodash/_getRawTag.js"), objectToString = __webpack_require__(/*! ./_objectToString */ "../../node_modules/lodash/_objectToString.js"); /** `Object#toString` result references. */ var nullTag = '[object Null]', undefinedTag = '[object Undefined]'; /** Built-in value references. */ var symToStringTag = Symbol ? Symbol.toStringTag : undefined; /** * The base implementation of `getTag` without fallbacks for buggy environments. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ function baseGetTag(value) { if (value == null) { return value === undefined ? undefinedTag : nullTag; } return (symToStringTag && symToStringTag in Object(value)) ? getRawTag(value) : objectToString(value); } module.exports = baseGetTag; /***/ }), /***/ "../../node_modules/lodash/_baseHasIn.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_baseHasIn.js ***! \***********************************************/ /***/ ((module) => { /** * The base implementation of `_.hasIn` without support for deep paths. * * @private * @param {Object} [object] The object to query. * @param {Array|string} key The key to check. * @returns {boolean} Returns `true` if `key` exists, else `false`. */ function baseHasIn(object, key) { return object != null && key in Object(object); } module.exports = baseHasIn; /***/ }), /***/ "../../node_modules/lodash/_baseIsArguments.js": /*!*****************************************************!*\ !*** ../../node_modules/lodash/_baseIsArguments.js ***! \*****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGetTag = __webpack_require__(/*! ./_baseGetTag */ "../../node_modules/lodash/_baseGetTag.js"), isObjectLike = __webpack_require__(/*! ./isObjectLike */ "../../node_modules/lodash/isObjectLike.js"); /** `Object#toString` result references. */ var argsTag = '[object Arguments]'; /** * The base implementation of `_.isArguments`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an `arguments` object, */ function baseIsArguments(value) { return isObjectLike(value) && baseGetTag(value) == argsTag; } module.exports = baseIsArguments; /***/ }), /***/ "../../node_modules/lodash/_baseIsEqual.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_baseIsEqual.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsEqualDeep = __webpack_require__(/*! ./_baseIsEqualDeep */ "../../node_modules/lodash/_baseIsEqualDeep.js"), isObjectLike = __webpack_require__(/*! ./isObjectLike */ "../../node_modules/lodash/isObjectLike.js"); /** * The base implementation of `_.isEqual` which supports partial comparisons * and tracks traversed objects. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @param {boolean} bitmask The bitmask flags. * 1 - Unordered comparison * 2 - Partial comparison * @param {Function} [customizer] The function to customize comparisons. * @param {Object} [stack] Tracks traversed `value` and `other` objects. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. */ function baseIsEqual(value, other, bitmask, customizer, stack) { if (value === other) { return true; } if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) { return value !== value && other !== other; } return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack); } module.exports = baseIsEqual; /***/ }), /***/ "../../node_modules/lodash/_baseIsEqualDeep.js": /*!*****************************************************!*\ !*** ../../node_modules/lodash/_baseIsEqualDeep.js ***! \*****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Stack = __webpack_require__(/*! ./_Stack */ "../../node_modules/lodash/_Stack.js"), equalArrays = __webpack_require__(/*! ./_equalArrays */ "../../node_modules/lodash/_equalArrays.js"), equalByTag = __webpack_require__(/*! ./_equalByTag */ "../../node_modules/lodash/_equalByTag.js"), equalObjects = __webpack_require__(/*! ./_equalObjects */ "../../node_modules/lodash/_equalObjects.js"), getTag = __webpack_require__(/*! ./_getTag */ "../../node_modules/lodash/_getTag.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), isBuffer = __webpack_require__(/*! ./isBuffer */ "../../node_modules/lodash/isBuffer.js"), isTypedArray = __webpack_require__(/*! ./isTypedArray */ "../../node_modules/lodash/isTypedArray.js"); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1; /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', objectTag = '[object Object]'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * A specialized version of `baseIsEqual` for arrays and objects which performs * deep comparisons and tracks traversed objects enabling objects with circular * references to be compared. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} [stack] Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) { var objIsArr = isArray(object), othIsArr = isArray(other), objTag = objIsArr ? arrayTag : getTag(object), othTag = othIsArr ? arrayTag : getTag(other); objTag = objTag == argsTag ? objectTag : objTag; othTag = othTag == argsTag ? objectTag : othTag; var objIsObj = objTag == objectTag, othIsObj = othTag == objectTag, isSameTag = objTag == othTag; if (isSameTag && isBuffer(object)) { if (!isBuffer(other)) { return false; } objIsArr = true; objIsObj = false; } if (isSameTag && !objIsObj) { stack || (stack = new Stack); return (objIsArr || isTypedArray(object)) ? equalArrays(object, other, bitmask, customizer, equalFunc, stack) : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack); } if (!(bitmask & COMPARE_PARTIAL_FLAG)) { var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'), othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__'); if (objIsWrapped || othIsWrapped) { var objUnwrapped = objIsWrapped ? object.value() : object, othUnwrapped = othIsWrapped ? other.value() : other; stack || (stack = new Stack); return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack); } } if (!isSameTag) { return false; } stack || (stack = new Stack); return equalObjects(object, other, bitmask, customizer, equalFunc, stack); } module.exports = baseIsEqualDeep; /***/ }), /***/ "../../node_modules/lodash/_baseIsMatch.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_baseIsMatch.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Stack = __webpack_require__(/*! ./_Stack */ "../../node_modules/lodash/_Stack.js"), baseIsEqual = __webpack_require__(/*! ./_baseIsEqual */ "../../node_modules/lodash/_baseIsEqual.js"); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** * The base implementation of `_.isMatch` without support for iteratee shorthands. * * @private * @param {Object} object The object to inspect. * @param {Object} source The object of property values to match. * @param {Array} matchData The property names, values, and compare flags to match. * @param {Function} [customizer] The function to customize comparisons. * @returns {boolean} Returns `true` if `object` is a match, else `false`. */ function baseIsMatch(object, source, matchData, customizer) { var index = matchData.length, length = index, noCustomizer = !customizer; if (object == null) { return !length; } object = Object(object); while (index--) { var data = matchData[index]; if ((noCustomizer && data[2]) ? data[1] !== object[data[0]] : !(data[0] in object) ) { return false; } } while (++index < length) { data = matchData[index]; var key = data[0], objValue = object[key], srcValue = data[1]; if (noCustomizer && data[2]) { if (objValue === undefined && !(key in object)) { return false; } } else { var stack = new Stack; if (customizer) { var result = customizer(objValue, srcValue, key, object, source, stack); } if (!(result === undefined ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack) : result )) { return false; } } } return true; } module.exports = baseIsMatch; /***/ }), /***/ "../../node_modules/lodash/_baseIsNative.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_baseIsNative.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isFunction = __webpack_require__(/*! ./isFunction */ "../../node_modules/lodash/isFunction.js"), isMasked = __webpack_require__(/*! ./_isMasked */ "../../node_modules/lodash/_isMasked.js"), isObject = __webpack_require__(/*! ./isObject */ "../../node_modules/lodash/isObject.js"), toSource = __webpack_require__(/*! ./_toSource */ "../../node_modules/lodash/_toSource.js"); /** * Used to match `RegExp` * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns). */ var reRegExpChar = /[\\^$.*+?()[\]{}|]/g; /** Used to detect host constructors (Safari). */ var reIsHostCtor = /^\[object .+?Constructor\]$/; /** Used for built-in method references. */ var funcProto = Function.prototype, objectProto = Object.prototype; /** Used to resolve the decompiled source of functions. */ var funcToString = funcProto.toString; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Used to detect if a method is native. */ var reIsNative = RegExp('^' + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' ); /** * The base implementation of `_.isNative` without bad shim checks. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a native function, * else `false`. */ function baseIsNative(value) { if (!isObject(value) || isMasked(value)) { return false; } var pattern = isFunction(value) ? reIsNative : reIsHostCtor; return pattern.test(toSource(value)); } module.exports = baseIsNative; /***/ }), /***/ "../../node_modules/lodash/_baseIsTypedArray.js": /*!******************************************************!*\ !*** ../../node_modules/lodash/_baseIsTypedArray.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGetTag = __webpack_require__(/*! ./_baseGetTag */ "../../node_modules/lodash/_baseGetTag.js"), isLength = __webpack_require__(/*! ./isLength */ "../../node_modules/lodash/isLength.js"), isObjectLike = __webpack_require__(/*! ./isObjectLike */ "../../node_modules/lodash/isObjectLike.js"); /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', funcTag = '[object Function]', mapTag = '[object Map]', numberTag = '[object Number]', objectTag = '[object Object]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', weakMapTag = '[object WeakMap]'; var arrayBufferTag = '[object ArrayBuffer]', dataViewTag = '[object DataView]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]'; /** Used to identify `toStringTag` values of typed arrays. */ var typedArrayTags = {}; typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true; typedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false; /** * The base implementation of `_.isTypedArray` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. */ function baseIsTypedArray(value) { return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[baseGetTag(value)]; } module.exports = baseIsTypedArray; /***/ }), /***/ "../../node_modules/lodash/_baseIteratee.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_baseIteratee.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseMatches = __webpack_require__(/*! ./_baseMatches */ "../../node_modules/lodash/_baseMatches.js"), baseMatchesProperty = __webpack_require__(/*! ./_baseMatchesProperty */ "../../node_modules/lodash/_baseMatchesProperty.js"), identity = __webpack_require__(/*! ./identity */ "../../node_modules/lodash/identity.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), property = __webpack_require__(/*! ./property */ "../../node_modules/lodash/property.js"); /** * The base implementation of `_.iteratee`. * * @private * @param {*} [value=_.identity] The value to convert to an iteratee. * @returns {Function} Returns the iteratee. */ function baseIteratee(value) { // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9. // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details. if (typeof value == 'function') { return value; } if (value == null) { return identity; } if (typeof value == 'object') { return isArray(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value); } return property(value); } module.exports = baseIteratee; /***/ }), /***/ "../../node_modules/lodash/_baseKeys.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_baseKeys.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isPrototype = __webpack_require__(/*! ./_isPrototype */ "../../node_modules/lodash/_isPrototype.js"), nativeKeys = __webpack_require__(/*! ./_nativeKeys */ "../../node_modules/lodash/_nativeKeys.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * The base implementation of `_.keys` which doesn't treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeys(object) { if (!isPrototype(object)) { return nativeKeys(object); } var result = []; for (var key in Object(object)) { if (hasOwnProperty.call(object, key) && key != 'constructor') { result.push(key); } } return result; } module.exports = baseKeys; /***/ }), /***/ "../../node_modules/lodash/_baseKeysIn.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_baseKeysIn.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isObject = __webpack_require__(/*! ./isObject */ "../../node_modules/lodash/isObject.js"), isPrototype = __webpack_require__(/*! ./_isPrototype */ "../../node_modules/lodash/_isPrototype.js"), nativeKeysIn = __webpack_require__(/*! ./_nativeKeysIn */ "../../node_modules/lodash/_nativeKeysIn.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeysIn(object) { if (!isObject(object)) { return nativeKeysIn(object); } var isProto = isPrototype(object), result = []; for (var key in object) { if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { result.push(key); } } return result; } module.exports = baseKeysIn; /***/ }), /***/ "../../node_modules/lodash/_baseMap.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_baseMap.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseEach = __webpack_require__(/*! ./_baseEach */ "../../node_modules/lodash/_baseEach.js"), isArrayLike = __webpack_require__(/*! ./isArrayLike */ "../../node_modules/lodash/isArrayLike.js"); /** * The base implementation of `_.map` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the new mapped array. */ function baseMap(collection, iteratee) { var index = -1, result = isArrayLike(collection) ? Array(collection.length) : []; baseEach(collection, function(value, key, collection) { result[++index] = iteratee(value, key, collection); }); return result; } module.exports = baseMap; /***/ }), /***/ "../../node_modules/lodash/_baseMatches.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_baseMatches.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsMatch = __webpack_require__(/*! ./_baseIsMatch */ "../../node_modules/lodash/_baseIsMatch.js"), getMatchData = __webpack_require__(/*! ./_getMatchData */ "../../node_modules/lodash/_getMatchData.js"), matchesStrictComparable = __webpack_require__(/*! ./_matchesStrictComparable */ "../../node_modules/lodash/_matchesStrictComparable.js"); /** * The base implementation of `_.matches` which doesn't clone `source`. * * @private * @param {Object} source The object of property values to match. * @returns {Function} Returns the new spec function. */ function baseMatches(source) { var matchData = getMatchData(source); if (matchData.length == 1 && matchData[0][2]) { return matchesStrictComparable(matchData[0][0], matchData[0][1]); } return function(object) { return object === source || baseIsMatch(object, source, matchData); }; } module.exports = baseMatches; /***/ }), /***/ "../../node_modules/lodash/_baseMatchesProperty.js": /*!*********************************************************!*\ !*** ../../node_modules/lodash/_baseMatchesProperty.js ***! \*********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsEqual = __webpack_require__(/*! ./_baseIsEqual */ "../../node_modules/lodash/_baseIsEqual.js"), get = __webpack_require__(/*! ./get */ "../../node_modules/lodash/get.js"), hasIn = __webpack_require__(/*! ./hasIn */ "../../node_modules/lodash/hasIn.js"), isKey = __webpack_require__(/*! ./_isKey */ "../../node_modules/lodash/_isKey.js"), isStrictComparable = __webpack_require__(/*! ./_isStrictComparable */ "../../node_modules/lodash/_isStrictComparable.js"), matchesStrictComparable = __webpack_require__(/*! ./_matchesStrictComparable */ "../../node_modules/lodash/_matchesStrictComparable.js"), toKey = __webpack_require__(/*! ./_toKey */ "../../node_modules/lodash/_toKey.js"); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. * * @private * @param {string} path The path of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new spec function. */ function baseMatchesProperty(path, srcValue) { if (isKey(path) && isStrictComparable(srcValue)) { return matchesStrictComparable(toKey(path), srcValue); } return function(object) { var objValue = get(object, path); return (objValue === undefined && objValue === srcValue) ? hasIn(object, path) : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG); }; } module.exports = baseMatchesProperty; /***/ }), /***/ "../../node_modules/lodash/_basePickBy.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_basePickBy.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGet = __webpack_require__(/*! ./_baseGet */ "../../node_modules/lodash/_baseGet.js"), baseSet = __webpack_require__(/*! ./_baseSet */ "../../node_modules/lodash/_baseSet.js"), castPath = __webpack_require__(/*! ./_castPath */ "../../node_modules/lodash/_castPath.js"); /** * The base implementation of `_.pickBy` without support for iteratee shorthands. * * @private * @param {Object} object The source object. * @param {string[]} paths The property paths to pick. * @param {Function} predicate The function invoked per property. * @returns {Object} Returns the new object. */ function basePickBy(object, paths, predicate) { var index = -1, length = paths.length, result = {}; while (++index < length) { var path = paths[index], value = baseGet(object, path); if (predicate(value, path)) { baseSet(result, castPath(path, object), value); } } return result; } module.exports = basePickBy; /***/ }), /***/ "../../node_modules/lodash/_baseProperty.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_baseProperty.js ***! \**************************************************/ /***/ ((module) => { /** * The base implementation of `_.property` without support for deep paths. * * @private * @param {string} key The key of the property to get. * @returns {Function} Returns the new accessor function. */ function baseProperty(key) { return function(object) { return object == null ? undefined : object[key]; }; } module.exports = baseProperty; /***/ }), /***/ "../../node_modules/lodash/_basePropertyDeep.js": /*!******************************************************!*\ !*** ../../node_modules/lodash/_basePropertyDeep.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGet = __webpack_require__(/*! ./_baseGet */ "../../node_modules/lodash/_baseGet.js"); /** * A specialized version of `baseProperty` which supports deep paths. * * @private * @param {Array|string} path The path of the property to get. * @returns {Function} Returns the new accessor function. */ function basePropertyDeep(path) { return function(object) { return baseGet(object, path); }; } module.exports = basePropertyDeep; /***/ }), /***/ "../../node_modules/lodash/_baseSet.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_baseSet.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var assignValue = __webpack_require__(/*! ./_assignValue */ "../../node_modules/lodash/_assignValue.js"), castPath = __webpack_require__(/*! ./_castPath */ "../../node_modules/lodash/_castPath.js"), isIndex = __webpack_require__(/*! ./_isIndex */ "../../node_modules/lodash/_isIndex.js"), isObject = __webpack_require__(/*! ./isObject */ "../../node_modules/lodash/isObject.js"), toKey = __webpack_require__(/*! ./_toKey */ "../../node_modules/lodash/_toKey.js"); /** * The base implementation of `_.set`. * * @private * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to set. * @param {*} value The value to set. * @param {Function} [customizer] The function to customize path creation. * @returns {Object} Returns `object`. */ function baseSet(object, path, value, customizer) { if (!isObject(object)) { return object; } path = castPath(path, object); var index = -1, length = path.length, lastIndex = length - 1, nested = object; while (nested != null && ++index < length) { var key = toKey(path[index]), newValue = value; if (key === '__proto__' || key === 'constructor' || key === 'prototype') { return object; } if (index != lastIndex) { var objValue = nested[key]; newValue = customizer ? customizer(objValue, key, nested) : undefined; if (newValue === undefined) { newValue = isObject(objValue) ? objValue : (isIndex(path[index + 1]) ? [] : {}); } } assignValue(nested, key, newValue); nested = nested[key]; } return object; } module.exports = baseSet; /***/ }), /***/ "../../node_modules/lodash/_baseTimes.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_baseTimes.js ***! \***********************************************/ /***/ ((module) => { /** * The base implementation of `_.times` without support for iteratee shorthands * or max array length checks. * * @private * @param {number} n The number of times to invoke `iteratee`. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the array of results. */ function baseTimes(n, iteratee) { var index = -1, result = Array(n); while (++index < n) { result[index] = iteratee(index); } return result; } module.exports = baseTimes; /***/ }), /***/ "../../node_modules/lodash/_baseToString.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_baseToString.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Symbol = __webpack_require__(/*! ./_Symbol */ "../../node_modules/lodash/_Symbol.js"), arrayMap = __webpack_require__(/*! ./_arrayMap */ "../../node_modules/lodash/_arrayMap.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), isSymbol = __webpack_require__(/*! ./isSymbol */ "../../node_modules/lodash/isSymbol.js"); /** Used as references for various `Number` constants. */ var INFINITY = 1 / 0; /** Used to convert symbols to primitives and strings. */ var symbolProto = Symbol ? Symbol.prototype : undefined, symbolToString = symbolProto ? symbolProto.toString : undefined; /** * The base implementation of `_.toString` which doesn't convert nullish * values to empty strings. * * @private * @param {*} value The value to process. * @returns {string} Returns the string. */ function baseToString(value) { // Exit early for strings to avoid a performance hit in some environments. if (typeof value == 'string') { return value; } if (isArray(value)) { // Recursively convert values (susceptible to call stack limits). return arrayMap(value, baseToString) + ''; } if (isSymbol(value)) { return symbolToString ? symbolToString.call(value) : ''; } var result = (value + ''); return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; } module.exports = baseToString; /***/ }), /***/ "../../node_modules/lodash/_baseUnary.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_baseUnary.js ***! \***********************************************/ /***/ ((module) => { /** * The base implementation of `_.unary` without support for storing metadata. * * @private * @param {Function} func The function to cap arguments for. * @returns {Function} Returns the new capped function. */ function baseUnary(func) { return function(value) { return func(value); }; } module.exports = baseUnary; /***/ }), /***/ "../../node_modules/lodash/_cacheHas.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_cacheHas.js ***! \**********************************************/ /***/ ((module) => { /** * Checks if a `cache` value for `key` exists. * * @private * @param {Object} cache The cache to query. * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function cacheHas(cache, key) { return cache.has(key); } module.exports = cacheHas; /***/ }), /***/ "../../node_modules/lodash/_castPath.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_castPath.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), isKey = __webpack_require__(/*! ./_isKey */ "../../node_modules/lodash/_isKey.js"), stringToPath = __webpack_require__(/*! ./_stringToPath */ "../../node_modules/lodash/_stringToPath.js"), toString = __webpack_require__(/*! ./toString */ "../../node_modules/lodash/toString.js"); /** * Casts `value` to a path array if it's not one. * * @private * @param {*} value The value to inspect. * @param {Object} [object] The object to query keys on. * @returns {Array} Returns the cast property path array. */ function castPath(value, object) { if (isArray(value)) { return value; } return isKey(value, object) ? [value] : stringToPath(toString(value)); } module.exports = castPath; /***/ }), /***/ "../../node_modules/lodash/_coreJsData.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_coreJsData.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"); /** Used to detect overreaching core-js shims. */ var coreJsData = root['__core-js_shared__']; module.exports = coreJsData; /***/ }), /***/ "../../node_modules/lodash/_createAggregator.js": /*!******************************************************!*\ !*** ../../node_modules/lodash/_createAggregator.js ***! \******************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayAggregator = __webpack_require__(/*! ./_arrayAggregator */ "../../node_modules/lodash/_arrayAggregator.js"), baseAggregator = __webpack_require__(/*! ./_baseAggregator */ "../../node_modules/lodash/_baseAggregator.js"), baseIteratee = __webpack_require__(/*! ./_baseIteratee */ "../../node_modules/lodash/_baseIteratee.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"); /** * Creates a function like `_.groupBy`. * * @private * @param {Function} setter The function to set accumulator values. * @param {Function} [initializer] The accumulator object initializer. * @returns {Function} Returns the new aggregator function. */ function createAggregator(setter, initializer) { return function(collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, baseIteratee(iteratee, 2), accumulator); }; } module.exports = createAggregator; /***/ }), /***/ "../../node_modules/lodash/_createBaseEach.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_createBaseEach.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isArrayLike = __webpack_require__(/*! ./isArrayLike */ "../../node_modules/lodash/isArrayLike.js"); /** * Creates a `baseEach` or `baseEachRight` function. * * @private * @param {Function} eachFunc The function to iterate over a collection. * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new base function. */ function createBaseEach(eachFunc, fromRight) { return function(collection, iteratee) { if (collection == null) { return collection; } if (!isArrayLike(collection)) { return eachFunc(collection, iteratee); } var length = collection.length, index = fromRight ? length : -1, iterable = Object(collection); while ((fromRight ? index-- : ++index < length)) { if (iteratee(iterable[index], index, iterable) === false) { break; } } return collection; }; } module.exports = createBaseEach; /***/ }), /***/ "../../node_modules/lodash/_createBaseFor.js": /*!***************************************************!*\ !*** ../../node_modules/lodash/_createBaseFor.js ***! \***************************************************/ /***/ ((module) => { /** * Creates a base function for methods like `_.forIn` and `_.forOwn`. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new base function. */ function createBaseFor(fromRight) { return function(object, iteratee, keysFunc) { var index = -1, iterable = Object(object), props = keysFunc(object), length = props.length; while (length--) { var key = props[fromRight ? length : ++index]; if (iteratee(iterable[key], key, iterable) === false) { break; } } return object; }; } module.exports = createBaseFor; /***/ }), /***/ "../../node_modules/lodash/_defineProperty.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_defineProperty.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"); var defineProperty = (function() { try { var func = getNative(Object, 'defineProperty'); func({}, '', {}); return func; } catch (e) {} }()); module.exports = defineProperty; /***/ }), /***/ "../../node_modules/lodash/_equalArrays.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_equalArrays.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var SetCache = __webpack_require__(/*! ./_SetCache */ "../../node_modules/lodash/_SetCache.js"), arraySome = __webpack_require__(/*! ./_arraySome */ "../../node_modules/lodash/_arraySome.js"), cacheHas = __webpack_require__(/*! ./_cacheHas */ "../../node_modules/lodash/_cacheHas.js"); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** * A specialized version of `baseIsEqualDeep` for arrays with support for * partial deep comparisons. * * @private * @param {Array} array The array to compare. * @param {Array} other The other array to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `array` and `other` objects. * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`. */ function equalArrays(array, other, bitmask, customizer, equalFunc, stack) { var isPartial = bitmask & COMPARE_PARTIAL_FLAG, arrLength = array.length, othLength = other.length; if (arrLength != othLength && !(isPartial && othLength > arrLength)) { return false; } // Check that cyclic values are equal. var arrStacked = stack.get(array); var othStacked = stack.get(other); if (arrStacked && othStacked) { return arrStacked == other && othStacked == array; } var index = -1, result = true, seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined; stack.set(array, other); stack.set(other, array); // Ignore non-index properties. while (++index < arrLength) { var arrValue = array[index], othValue = other[index]; if (customizer) { var compared = isPartial ? customizer(othValue, arrValue, index, other, array, stack) : customizer(arrValue, othValue, index, array, other, stack); } if (compared !== undefined) { if (compared) { continue; } result = false; break; } // Recursively compare arrays (susceptible to call stack limits). if (seen) { if (!arraySome(other, function(othValue, othIndex) { if (!cacheHas(seen, othIndex) && (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) { return seen.push(othIndex); } })) { result = false; break; } } else if (!( arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack) )) { result = false; break; } } stack['delete'](array); stack['delete'](other); return result; } module.exports = equalArrays; /***/ }), /***/ "../../node_modules/lodash/_equalByTag.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_equalByTag.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Symbol = __webpack_require__(/*! ./_Symbol */ "../../node_modules/lodash/_Symbol.js"), Uint8Array = __webpack_require__(/*! ./_Uint8Array */ "../../node_modules/lodash/_Uint8Array.js"), eq = __webpack_require__(/*! ./eq */ "../../node_modules/lodash/eq.js"), equalArrays = __webpack_require__(/*! ./_equalArrays */ "../../node_modules/lodash/_equalArrays.js"), mapToArray = __webpack_require__(/*! ./_mapToArray */ "../../node_modules/lodash/_mapToArray.js"), setToArray = __webpack_require__(/*! ./_setToArray */ "../../node_modules/lodash/_setToArray.js"); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** `Object#toString` result references. */ var boolTag = '[object Boolean]', dateTag = '[object Date]', errorTag = '[object Error]', mapTag = '[object Map]', numberTag = '[object Number]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', symbolTag = '[object Symbol]'; var arrayBufferTag = '[object ArrayBuffer]', dataViewTag = '[object DataView]'; /** Used to convert symbols to primitives and strings. */ var symbolProto = Symbol ? Symbol.prototype : undefined, symbolValueOf = symbolProto ? symbolProto.valueOf : undefined; /** * A specialized version of `baseIsEqualDeep` for comparing objects of * the same `toStringTag`. * * **Note:** This function only supports comparing values with tags of * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {string} tag The `toStringTag` of the objects to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) { switch (tag) { case dataViewTag: if ((object.byteLength != other.byteLength) || (object.byteOffset != other.byteOffset)) { return false; } object = object.buffer; other = other.buffer; case arrayBufferTag: if ((object.byteLength != other.byteLength) || !equalFunc(new Uint8Array(object), new Uint8Array(other))) { return false; } return true; case boolTag: case dateTag: case numberTag: // Coerce booleans to `1` or `0` and dates to milliseconds. // Invalid dates are coerced to `NaN`. return eq(+object, +other); case errorTag: return object.name == other.name && object.message == other.message; case regexpTag: case stringTag: // Coerce regexes to strings and treat strings, primitives and objects, // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring // for more details. return object == (other + ''); case mapTag: var convert = mapToArray; case setTag: var isPartial = bitmask & COMPARE_PARTIAL_FLAG; convert || (convert = setToArray); if (object.size != other.size && !isPartial) { return false; } // Assume cyclic values are equal. var stacked = stack.get(object); if (stacked) { return stacked == other; } bitmask |= COMPARE_UNORDERED_FLAG; // Recursively compare objects (susceptible to call stack limits). stack.set(object, other); var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack); stack['delete'](object); return result; case symbolTag: if (symbolValueOf) { return symbolValueOf.call(object) == symbolValueOf.call(other); } } return false; } module.exports = equalByTag; /***/ }), /***/ "../../node_modules/lodash/_equalObjects.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_equalObjects.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getAllKeys = __webpack_require__(/*! ./_getAllKeys */ "../../node_modules/lodash/_getAllKeys.js"); /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * A specialized version of `baseIsEqualDeep` for objects with support for * partial deep comparisons. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function equalObjects(object, other, bitmask, customizer, equalFunc, stack) { var isPartial = bitmask & COMPARE_PARTIAL_FLAG, objProps = getAllKeys(object), objLength = objProps.length, othProps = getAllKeys(other), othLength = othProps.length; if (objLength != othLength && !isPartial) { return false; } var index = objLength; while (index--) { var key = objProps[index]; if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) { return false; } } // Check that cyclic values are equal. var objStacked = stack.get(object); var othStacked = stack.get(other); if (objStacked && othStacked) { return objStacked == other && othStacked == object; } var result = true; stack.set(object, other); stack.set(other, object); var skipCtor = isPartial; while (++index < objLength) { key = objProps[index]; var objValue = object[key], othValue = other[key]; if (customizer) { var compared = isPartial ? customizer(othValue, objValue, key, other, object, stack) : customizer(objValue, othValue, key, object, other, stack); } // Recursively compare objects (susceptible to call stack limits). if (!(compared === undefined ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack)) : compared )) { result = false; break; } skipCtor || (skipCtor = key == 'constructor'); } if (result && !skipCtor) { var objCtor = object.constructor, othCtor = other.constructor; // Non `Object` object instances with different constructors are not equal. if (objCtor != othCtor && ('constructor' in object && 'constructor' in other) && !(typeof objCtor == 'function' && objCtor instanceof objCtor && typeof othCtor == 'function' && othCtor instanceof othCtor)) { result = false; } } stack['delete'](object); stack['delete'](other); return result; } module.exports = equalObjects; /***/ }), /***/ "../../node_modules/lodash/_freeGlobal.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_freeGlobal.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { /** Detect free variable `global` from Node.js. */ var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g; module.exports = freeGlobal; /***/ }), /***/ "../../node_modules/lodash/_getAllKeys.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_getAllKeys.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGetAllKeys = __webpack_require__(/*! ./_baseGetAllKeys */ "../../node_modules/lodash/_baseGetAllKeys.js"), getSymbols = __webpack_require__(/*! ./_getSymbols */ "../../node_modules/lodash/_getSymbols.js"), keys = __webpack_require__(/*! ./keys */ "../../node_modules/lodash/keys.js"); /** * Creates an array of own enumerable property names and symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names and symbols. */ function getAllKeys(object) { return baseGetAllKeys(object, keys, getSymbols); } module.exports = getAllKeys; /***/ }), /***/ "../../node_modules/lodash/_getAllKeysIn.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_getAllKeysIn.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGetAllKeys = __webpack_require__(/*! ./_baseGetAllKeys */ "../../node_modules/lodash/_baseGetAllKeys.js"), getSymbolsIn = __webpack_require__(/*! ./_getSymbolsIn */ "../../node_modules/lodash/_getSymbolsIn.js"), keysIn = __webpack_require__(/*! ./keysIn */ "../../node_modules/lodash/keysIn.js"); /** * Creates an array of own and inherited enumerable property names and * symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names and symbols. */ function getAllKeysIn(object) { return baseGetAllKeys(object, keysIn, getSymbolsIn); } module.exports = getAllKeysIn; /***/ }), /***/ "../../node_modules/lodash/_getMapData.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_getMapData.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isKeyable = __webpack_require__(/*! ./_isKeyable */ "../../node_modules/lodash/_isKeyable.js"); /** * Gets the data for `map`. * * @private * @param {Object} map The map to query. * @param {string} key The reference key. * @returns {*} Returns the map data. */ function getMapData(map, key) { var data = map.__data__; return isKeyable(key) ? data[typeof key == 'string' ? 'string' : 'hash'] : data.map; } module.exports = getMapData; /***/ }), /***/ "../../node_modules/lodash/_getMatchData.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_getMatchData.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isStrictComparable = __webpack_require__(/*! ./_isStrictComparable */ "../../node_modules/lodash/_isStrictComparable.js"), keys = __webpack_require__(/*! ./keys */ "../../node_modules/lodash/keys.js"); /** * Gets the property names, values, and compare flags of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the match data of `object`. */ function getMatchData(object) { var result = keys(object), length = result.length; while (length--) { var key = result[length], value = object[key]; result[length] = [key, value, isStrictComparable(value)]; } return result; } module.exports = getMatchData; /***/ }), /***/ "../../node_modules/lodash/_getNative.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_getNative.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsNative = __webpack_require__(/*! ./_baseIsNative */ "../../node_modules/lodash/_baseIsNative.js"), getValue = __webpack_require__(/*! ./_getValue */ "../../node_modules/lodash/_getValue.js"); /** * Gets the native function at `key` of `object`. * * @private * @param {Object} object The object to query. * @param {string} key The key of the method to get. * @returns {*} Returns the function if it's native, else `undefined`. */ function getNative(object, key) { var value = getValue(object, key); return baseIsNative(value) ? value : undefined; } module.exports = getNative; /***/ }), /***/ "../../node_modules/lodash/_getPrototype.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_getPrototype.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var overArg = __webpack_require__(/*! ./_overArg */ "../../node_modules/lodash/_overArg.js"); /** Built-in value references. */ var getPrototype = overArg(Object.getPrototypeOf, Object); module.exports = getPrototype; /***/ }), /***/ "../../node_modules/lodash/_getRawTag.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_getRawTag.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Symbol = __webpack_require__(/*! ./_Symbol */ "../../node_modules/lodash/_Symbol.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Used to resolve the * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) * of values. */ var nativeObjectToString = objectProto.toString; /** Built-in value references. */ var symToStringTag = Symbol ? Symbol.toStringTag : undefined; /** * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values. * * @private * @param {*} value The value to query. * @returns {string} Returns the raw `toStringTag`. */ function getRawTag(value) { var isOwn = hasOwnProperty.call(value, symToStringTag), tag = value[symToStringTag]; try { value[symToStringTag] = undefined; var unmasked = true; } catch (e) {} var result = nativeObjectToString.call(value); if (unmasked) { if (isOwn) { value[symToStringTag] = tag; } else { delete value[symToStringTag]; } } return result; } module.exports = getRawTag; /***/ }), /***/ "../../node_modules/lodash/_getSymbols.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_getSymbols.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayFilter = __webpack_require__(/*! ./_arrayFilter */ "../../node_modules/lodash/_arrayFilter.js"), stubArray = __webpack_require__(/*! ./stubArray */ "../../node_modules/lodash/stubArray.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Built-in value references. */ var propertyIsEnumerable = objectProto.propertyIsEnumerable; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeGetSymbols = Object.getOwnPropertySymbols; /** * Creates an array of the own enumerable symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of symbols. */ var getSymbols = !nativeGetSymbols ? stubArray : function(object) { if (object == null) { return []; } object = Object(object); return arrayFilter(nativeGetSymbols(object), function(symbol) { return propertyIsEnumerable.call(object, symbol); }); }; module.exports = getSymbols; /***/ }), /***/ "../../node_modules/lodash/_getSymbolsIn.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_getSymbolsIn.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayPush = __webpack_require__(/*! ./_arrayPush */ "../../node_modules/lodash/_arrayPush.js"), getPrototype = __webpack_require__(/*! ./_getPrototype */ "../../node_modules/lodash/_getPrototype.js"), getSymbols = __webpack_require__(/*! ./_getSymbols */ "../../node_modules/lodash/_getSymbols.js"), stubArray = __webpack_require__(/*! ./stubArray */ "../../node_modules/lodash/stubArray.js"); /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeGetSymbols = Object.getOwnPropertySymbols; /** * Creates an array of the own and inherited enumerable symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of symbols. */ var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) { var result = []; while (object) { arrayPush(result, getSymbols(object)); object = getPrototype(object); } return result; }; module.exports = getSymbolsIn; /***/ }), /***/ "../../node_modules/lodash/_getTag.js": /*!********************************************!*\ !*** ../../node_modules/lodash/_getTag.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var DataView = __webpack_require__(/*! ./_DataView */ "../../node_modules/lodash/_DataView.js"), Map = __webpack_require__(/*! ./_Map */ "../../node_modules/lodash/_Map.js"), Promise = __webpack_require__(/*! ./_Promise */ "../../node_modules/lodash/_Promise.js"), Set = __webpack_require__(/*! ./_Set */ "../../node_modules/lodash/_Set.js"), WeakMap = __webpack_require__(/*! ./_WeakMap */ "../../node_modules/lodash/_WeakMap.js"), baseGetTag = __webpack_require__(/*! ./_baseGetTag */ "../../node_modules/lodash/_baseGetTag.js"), toSource = __webpack_require__(/*! ./_toSource */ "../../node_modules/lodash/_toSource.js"); /** `Object#toString` result references. */ var mapTag = '[object Map]', objectTag = '[object Object]', promiseTag = '[object Promise]', setTag = '[object Set]', weakMapTag = '[object WeakMap]'; var dataViewTag = '[object DataView]'; /** Used to detect maps, sets, and weakmaps. */ var dataViewCtorString = toSource(DataView), mapCtorString = toSource(Map), promiseCtorString = toSource(Promise), setCtorString = toSource(Set), weakMapCtorString = toSource(WeakMap); /** * Gets the `toStringTag` of `value`. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ var getTag = baseGetTag; // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6. if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) || (Map && getTag(new Map) != mapTag) || (Promise && getTag(Promise.resolve()) != promiseTag) || (Set && getTag(new Set) != setTag) || (WeakMap && getTag(new WeakMap) != weakMapTag)) { getTag = function(value) { var result = baseGetTag(value), Ctor = result == objectTag ? value.constructor : undefined, ctorString = Ctor ? toSource(Ctor) : ''; if (ctorString) { switch (ctorString) { case dataViewCtorString: return dataViewTag; case mapCtorString: return mapTag; case promiseCtorString: return promiseTag; case setCtorString: return setTag; case weakMapCtorString: return weakMapTag; } } return result; }; } module.exports = getTag; /***/ }), /***/ "../../node_modules/lodash/_getValue.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_getValue.js ***! \**********************************************/ /***/ ((module) => { /** * Gets the value at `key` of `object`. * * @private * @param {Object} [object] The object to query. * @param {string} key The key of the property to get. * @returns {*} Returns the property value. */ function getValue(object, key) { return object == null ? undefined : object[key]; } module.exports = getValue; /***/ }), /***/ "../../node_modules/lodash/_hasPath.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_hasPath.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var castPath = __webpack_require__(/*! ./_castPath */ "../../node_modules/lodash/_castPath.js"), isArguments = __webpack_require__(/*! ./isArguments */ "../../node_modules/lodash/isArguments.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), isIndex = __webpack_require__(/*! ./_isIndex */ "../../node_modules/lodash/_isIndex.js"), isLength = __webpack_require__(/*! ./isLength */ "../../node_modules/lodash/isLength.js"), toKey = __webpack_require__(/*! ./_toKey */ "../../node_modules/lodash/_toKey.js"); /** * Checks if `path` exists on `object`. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @param {Function} hasFunc The function to check properties. * @returns {boolean} Returns `true` if `path` exists, else `false`. */ function hasPath(object, path, hasFunc) { path = castPath(path, object); var index = -1, length = path.length, result = false; while (++index < length) { var key = toKey(path[index]); if (!(result = object != null && hasFunc(object, key))) { break; } object = object[key]; } if (result || ++index != length) { return result; } length = object == null ? 0 : object.length; return !!length && isLength(length) && isIndex(key, length) && (isArray(object) || isArguments(object)); } module.exports = hasPath; /***/ }), /***/ "../../node_modules/lodash/_hashClear.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_hashClear.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var nativeCreate = __webpack_require__(/*! ./_nativeCreate */ "../../node_modules/lodash/_nativeCreate.js"); /** * Removes all key-value entries from the hash. * * @private * @name clear * @memberOf Hash */ function hashClear() { this.__data__ = nativeCreate ? nativeCreate(null) : {}; this.size = 0; } module.exports = hashClear; /***/ }), /***/ "../../node_modules/lodash/_hashDelete.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_hashDelete.js ***! \************************************************/ /***/ ((module) => { /** * Removes `key` and its value from the hash. * * @private * @name delete * @memberOf Hash * @param {Object} hash The hash to modify. * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function hashDelete(key) { var result = this.has(key) && delete this.__data__[key]; this.size -= result ? 1 : 0; return result; } module.exports = hashDelete; /***/ }), /***/ "../../node_modules/lodash/_hashGet.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_hashGet.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var nativeCreate = __webpack_require__(/*! ./_nativeCreate */ "../../node_modules/lodash/_nativeCreate.js"); /** Used to stand-in for `undefined` hash values. */ var HASH_UNDEFINED = '__lodash_hash_undefined__'; /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Gets the hash value for `key`. * * @private * @name get * @memberOf Hash * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function hashGet(key) { var data = this.__data__; if (nativeCreate) { var result = data[key]; return result === HASH_UNDEFINED ? undefined : result; } return hasOwnProperty.call(data, key) ? data[key] : undefined; } module.exports = hashGet; /***/ }), /***/ "../../node_modules/lodash/_hashHas.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_hashHas.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var nativeCreate = __webpack_require__(/*! ./_nativeCreate */ "../../node_modules/lodash/_nativeCreate.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Checks if a hash value for `key` exists. * * @private * @name has * @memberOf Hash * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function hashHas(key) { var data = this.__data__; return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key); } module.exports = hashHas; /***/ }), /***/ "../../node_modules/lodash/_hashSet.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_hashSet.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var nativeCreate = __webpack_require__(/*! ./_nativeCreate */ "../../node_modules/lodash/_nativeCreate.js"); /** Used to stand-in for `undefined` hash values. */ var HASH_UNDEFINED = '__lodash_hash_undefined__'; /** * Sets the hash `key` to `value`. * * @private * @name set * @memberOf Hash * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the hash instance. */ function hashSet(key, value) { var data = this.__data__; this.size += this.has(key) ? 0 : 1; data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value; return this; } module.exports = hashSet; /***/ }), /***/ "../../node_modules/lodash/_isFlattenable.js": /*!***************************************************!*\ !*** ../../node_modules/lodash/_isFlattenable.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Symbol = __webpack_require__(/*! ./_Symbol */ "../../node_modules/lodash/_Symbol.js"), isArguments = __webpack_require__(/*! ./isArguments */ "../../node_modules/lodash/isArguments.js"), isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"); /** Built-in value references. */ var spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined; /** * Checks if `value` is a flattenable `arguments` object or array. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is flattenable, else `false`. */ function isFlattenable(value) { return isArray(value) || isArguments(value) || !!(spreadableSymbol && value && value[spreadableSymbol]); } module.exports = isFlattenable; /***/ }), /***/ "../../node_modules/lodash/_isIndex.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_isIndex.js ***! \*********************************************/ /***/ ((module) => { /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** Used to detect unsigned integer values. */ var reIsUint = /^(?:0|[1-9]\d*)$/; /** * Checks if `value` is a valid array-like index. * * @private * @param {*} value The value to check. * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. */ function isIndex(value, length) { var type = typeof value; length = length == null ? MAX_SAFE_INTEGER : length; return !!length && (type == 'number' || (type != 'symbol' && reIsUint.test(value))) && (value > -1 && value % 1 == 0 && value < length); } module.exports = isIndex; /***/ }), /***/ "../../node_modules/lodash/_isKey.js": /*!*******************************************!*\ !*** ../../node_modules/lodash/_isKey.js ***! \*******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isArray = __webpack_require__(/*! ./isArray */ "../../node_modules/lodash/isArray.js"), isSymbol = __webpack_require__(/*! ./isSymbol */ "../../node_modules/lodash/isSymbol.js"); /** Used to match property names within property paths. */ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/; /** * Checks if `value` is a property name and not a property path. * * @private * @param {*} value The value to check. * @param {Object} [object] The object to query keys on. * @returns {boolean} Returns `true` if `value` is a property name, else `false`. */ function isKey(value, object) { if (isArray(value)) { return false; } var type = typeof value; if (type == 'number' || type == 'symbol' || type == 'boolean' || value == null || isSymbol(value)) { return true; } return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || (object != null && value in Object(object)); } module.exports = isKey; /***/ }), /***/ "../../node_modules/lodash/_isKeyable.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/_isKeyable.js ***! \***********************************************/ /***/ ((module) => { /** * Checks if `value` is suitable for use as unique object key. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is suitable, else `false`. */ function isKeyable(value) { var type = typeof value; return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean') ? (value !== '__proto__') : (value === null); } module.exports = isKeyable; /***/ }), /***/ "../../node_modules/lodash/_isMasked.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_isMasked.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var coreJsData = __webpack_require__(/*! ./_coreJsData */ "../../node_modules/lodash/_coreJsData.js"); /** Used to detect methods masquerading as native. */ var maskSrcKey = (function() { var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || ''); return uid ? ('Symbol(src)_1.' + uid) : ''; }()); /** * Checks if `func` has its source masked. * * @private * @param {Function} func The function to check. * @returns {boolean} Returns `true` if `func` is masked, else `false`. */ function isMasked(func) { return !!maskSrcKey && (maskSrcKey in func); } module.exports = isMasked; /***/ }), /***/ "../../node_modules/lodash/_isPrototype.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_isPrototype.js ***! \*************************************************/ /***/ ((module) => { /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Checks if `value` is likely a prototype object. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. */ function isPrototype(value) { var Ctor = value && value.constructor, proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; return value === proto; } module.exports = isPrototype; /***/ }), /***/ "../../node_modules/lodash/_isStrictComparable.js": /*!********************************************************!*\ !*** ../../node_modules/lodash/_isStrictComparable.js ***! \********************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isObject = __webpack_require__(/*! ./isObject */ "../../node_modules/lodash/isObject.js"); /** * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` if suitable for strict * equality comparisons, else `false`. */ function isStrictComparable(value) { return value === value && !isObject(value); } module.exports = isStrictComparable; /***/ }), /***/ "../../node_modules/lodash/_listCacheClear.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_listCacheClear.js ***! \****************************************************/ /***/ ((module) => { /** * Removes all key-value entries from the list cache. * * @private * @name clear * @memberOf ListCache */ function listCacheClear() { this.__data__ = []; this.size = 0; } module.exports = listCacheClear; /***/ }), /***/ "../../node_modules/lodash/_listCacheDelete.js": /*!*****************************************************!*\ !*** ../../node_modules/lodash/_listCacheDelete.js ***! \*****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var assocIndexOf = __webpack_require__(/*! ./_assocIndexOf */ "../../node_modules/lodash/_assocIndexOf.js"); /** Used for built-in method references. */ var arrayProto = Array.prototype; /** Built-in value references. */ var splice = arrayProto.splice; /** * Removes `key` and its value from the list cache. * * @private * @name delete * @memberOf ListCache * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function listCacheDelete(key) { var data = this.__data__, index = assocIndexOf(data, key); if (index < 0) { return false; } var lastIndex = data.length - 1; if (index == lastIndex) { data.pop(); } else { splice.call(data, index, 1); } --this.size; return true; } module.exports = listCacheDelete; /***/ }), /***/ "../../node_modules/lodash/_listCacheGet.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_listCacheGet.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var assocIndexOf = __webpack_require__(/*! ./_assocIndexOf */ "../../node_modules/lodash/_assocIndexOf.js"); /** * Gets the list cache value for `key`. * * @private * @name get * @memberOf ListCache * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function listCacheGet(key) { var data = this.__data__, index = assocIndexOf(data, key); return index < 0 ? undefined : data[index][1]; } module.exports = listCacheGet; /***/ }), /***/ "../../node_modules/lodash/_listCacheHas.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_listCacheHas.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var assocIndexOf = __webpack_require__(/*! ./_assocIndexOf */ "../../node_modules/lodash/_assocIndexOf.js"); /** * Checks if a list cache value for `key` exists. * * @private * @name has * @memberOf ListCache * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function listCacheHas(key) { return assocIndexOf(this.__data__, key) > -1; } module.exports = listCacheHas; /***/ }), /***/ "../../node_modules/lodash/_listCacheSet.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_listCacheSet.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var assocIndexOf = __webpack_require__(/*! ./_assocIndexOf */ "../../node_modules/lodash/_assocIndexOf.js"); /** * Sets the list cache `key` to `value`. * * @private * @name set * @memberOf ListCache * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the list cache instance. */ function listCacheSet(key, value) { var data = this.__data__, index = assocIndexOf(data, key); if (index < 0) { ++this.size; data.push([key, value]); } else { data[index][1] = value; } return this; } module.exports = listCacheSet; /***/ }), /***/ "../../node_modules/lodash/_mapCacheClear.js": /*!***************************************************!*\ !*** ../../node_modules/lodash/_mapCacheClear.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var Hash = __webpack_require__(/*! ./_Hash */ "../../node_modules/lodash/_Hash.js"), ListCache = __webpack_require__(/*! ./_ListCache */ "../../node_modules/lodash/_ListCache.js"), Map = __webpack_require__(/*! ./_Map */ "../../node_modules/lodash/_Map.js"); /** * Removes all key-value entries from the map. * * @private * @name clear * @memberOf MapCache */ function mapCacheClear() { this.size = 0; this.__data__ = { 'hash': new Hash, 'map': new (Map || ListCache), 'string': new Hash }; } module.exports = mapCacheClear; /***/ }), /***/ "../../node_modules/lodash/_mapCacheDelete.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_mapCacheDelete.js ***! \****************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getMapData = __webpack_require__(/*! ./_getMapData */ "../../node_modules/lodash/_getMapData.js"); /** * Removes `key` and its value from the map. * * @private * @name delete * @memberOf MapCache * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function mapCacheDelete(key) { var result = getMapData(this, key)['delete'](key); this.size -= result ? 1 : 0; return result; } module.exports = mapCacheDelete; /***/ }), /***/ "../../node_modules/lodash/_mapCacheGet.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_mapCacheGet.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getMapData = __webpack_require__(/*! ./_getMapData */ "../../node_modules/lodash/_getMapData.js"); /** * Gets the map value for `key`. * * @private * @name get * @memberOf MapCache * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function mapCacheGet(key) { return getMapData(this, key).get(key); } module.exports = mapCacheGet; /***/ }), /***/ "../../node_modules/lodash/_mapCacheHas.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_mapCacheHas.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getMapData = __webpack_require__(/*! ./_getMapData */ "../../node_modules/lodash/_getMapData.js"); /** * Checks if a map value for `key` exists. * * @private * @name has * @memberOf MapCache * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function mapCacheHas(key) { return getMapData(this, key).has(key); } module.exports = mapCacheHas; /***/ }), /***/ "../../node_modules/lodash/_mapCacheSet.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_mapCacheSet.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getMapData = __webpack_require__(/*! ./_getMapData */ "../../node_modules/lodash/_getMapData.js"); /** * Sets the map `key` to `value`. * * @private * @name set * @memberOf MapCache * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the map cache instance. */ function mapCacheSet(key, value) { var data = getMapData(this, key), size = data.size; data.set(key, value); this.size += data.size == size ? 0 : 1; return this; } module.exports = mapCacheSet; /***/ }), /***/ "../../node_modules/lodash/_mapToArray.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_mapToArray.js ***! \************************************************/ /***/ ((module) => { /** * Converts `map` to its key-value pairs. * * @private * @param {Object} map The map to convert. * @returns {Array} Returns the key-value pairs. */ function mapToArray(map) { var index = -1, result = Array(map.size); map.forEach(function(value, key) { result[++index] = [key, value]; }); return result; } module.exports = mapToArray; /***/ }), /***/ "../../node_modules/lodash/_matchesStrictComparable.js": /*!*************************************************************!*\ !*** ../../node_modules/lodash/_matchesStrictComparable.js ***! \*************************************************************/ /***/ ((module) => { /** * A specialized version of `matchesProperty` for source values suitable * for strict equality comparisons, i.e. `===`. * * @private * @param {string} key The key of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new spec function. */ function matchesStrictComparable(key, srcValue) { return function(object) { if (object == null) { return false; } return object[key] === srcValue && (srcValue !== undefined || (key in Object(object))); }; } module.exports = matchesStrictComparable; /***/ }), /***/ "../../node_modules/lodash/_memoizeCapped.js": /*!***************************************************!*\ !*** ../../node_modules/lodash/_memoizeCapped.js ***! \***************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var memoize = __webpack_require__(/*! ./memoize */ "../../node_modules/lodash/memoize.js"); /** Used as the maximum memoize cache size. */ var MAX_MEMOIZE_SIZE = 500; /** * A specialized version of `_.memoize` which clears the memoized function's * cache when it exceeds `MAX_MEMOIZE_SIZE`. * * @private * @param {Function} func The function to have its output memoized. * @returns {Function} Returns the new memoized function. */ function memoizeCapped(func) { var result = memoize(func, function(key) { if (cache.size === MAX_MEMOIZE_SIZE) { cache.clear(); } return key; }); var cache = result.cache; return result; } module.exports = memoizeCapped; /***/ }), /***/ "../../node_modules/lodash/_nativeCreate.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_nativeCreate.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var getNative = __webpack_require__(/*! ./_getNative */ "../../node_modules/lodash/_getNative.js"); /* Built-in method references that are verified to be native. */ var nativeCreate = getNative(Object, 'create'); module.exports = nativeCreate; /***/ }), /***/ "../../node_modules/lodash/_nativeKeys.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_nativeKeys.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var overArg = __webpack_require__(/*! ./_overArg */ "../../node_modules/lodash/_overArg.js"); /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeKeys = overArg(Object.keys, Object); module.exports = nativeKeys; /***/ }), /***/ "../../node_modules/lodash/_nativeKeysIn.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_nativeKeysIn.js ***! \**************************************************/ /***/ ((module) => { /** * This function is like * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) * except that it includes inherited enumerable properties. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function nativeKeysIn(object) { var result = []; if (object != null) { for (var key in Object(object)) { result.push(key); } } return result; } module.exports = nativeKeysIn; /***/ }), /***/ "../../node_modules/lodash/_nodeUtil.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_nodeUtil.js ***! \**********************************************/ /***/ ((module, exports, __webpack_require__) => { /* module decorator */ module = __webpack_require__.nmd(module); var freeGlobal = __webpack_require__(/*! ./_freeGlobal */ "../../node_modules/lodash/_freeGlobal.js"); /** Detect free variable `exports`. */ var freeExports = true && exports && !exports.nodeType && exports; /** Detect free variable `module`. */ var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module; /** Detect the popular CommonJS extension `module.exports`. */ var moduleExports = freeModule && freeModule.exports === freeExports; /** Detect free variable `process` from Node.js. */ var freeProcess = moduleExports && freeGlobal.process; /** Used to access faster Node.js helpers. */ var nodeUtil = (function() { try { // Use `util.types` for Node.js 10+. var types = freeModule && freeModule.require && freeModule.require('util').types; if (types) { return types; } // Legacy `process.binding('util')` for Node.js < 10. return freeProcess && freeProcess.binding && freeProcess.binding('util'); } catch (e) {} }()); module.exports = nodeUtil; /***/ }), /***/ "../../node_modules/lodash/_objectToString.js": /*!****************************************************!*\ !*** ../../node_modules/lodash/_objectToString.js ***! \****************************************************/ /***/ ((module) => { /** Used for built-in method references. */ var objectProto = Object.prototype; /** * Used to resolve the * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) * of values. */ var nativeObjectToString = objectProto.toString; /** * Converts `value` to a string using `Object.prototype.toString`. * * @private * @param {*} value The value to convert. * @returns {string} Returns the converted string. */ function objectToString(value) { return nativeObjectToString.call(value); } module.exports = objectToString; /***/ }), /***/ "../../node_modules/lodash/_overArg.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/_overArg.js ***! \*********************************************/ /***/ ((module) => { /** * Creates a unary function that invokes `func` with its argument transformed. * * @private * @param {Function} func The function to wrap. * @param {Function} transform The argument transform. * @returns {Function} Returns the new function. */ function overArg(func, transform) { return function(arg) { return func(transform(arg)); }; } module.exports = overArg; /***/ }), /***/ "../../node_modules/lodash/_root.js": /*!******************************************!*\ !*** ../../node_modules/lodash/_root.js ***! 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\*************************************************/ /***/ ((module) => { /** * Checks if `value` is in the array cache. * * @private * @name has * @memberOf SetCache * @param {*} value The value to search for. * @returns {number} Returns `true` if `value` is found, else `false`. */ function setCacheHas(value) { return this.__data__.has(value); } module.exports = setCacheHas; /***/ }), /***/ "../../node_modules/lodash/_setToArray.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_setToArray.js ***! \************************************************/ /***/ ((module) => { /** * Converts `set` to an array of its values. * * @private * @param {Object} set The set to convert. * @returns {Array} Returns the values. */ function setToArray(set) { var index = -1, result = Array(set.size); set.forEach(function(value) { result[++index] = value; }); return result; } module.exports = setToArray; /***/ }), /***/ "../../node_modules/lodash/_stackClear.js": /*!************************************************!*\ !*** ../../node_modules/lodash/_stackClear.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var ListCache = __webpack_require__(/*! ./_ListCache */ "../../node_modules/lodash/_ListCache.js"); /** * Removes all key-value entries from the stack. * * @private * @name clear * @memberOf Stack */ function stackClear() { this.__data__ = new ListCache; this.size = 0; } module.exports = stackClear; /***/ }), /***/ "../../node_modules/lodash/_stackDelete.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/_stackDelete.js ***! \*************************************************/ /***/ ((module) => { /** * Removes `key` and its value from the stack. * * @private * @name delete * @memberOf Stack * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function stackDelete(key) { var data = this.__data__, result = data['delete'](key); this.size = data.size; return result; } module.exports = stackDelete; /***/ }), /***/ "../../node_modules/lodash/_stackGet.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_stackGet.js ***! \**********************************************/ /***/ ((module) => { /** * Gets the stack value for `key`. * * @private * @name get * @memberOf Stack * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function stackGet(key) { return this.__data__.get(key); } module.exports = stackGet; /***/ }), /***/ "../../node_modules/lodash/_stackHas.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_stackHas.js ***! \**********************************************/ /***/ ((module) => { /** * Checks if a stack value for `key` exists. * * @private * @name has * @memberOf Stack * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function stackHas(key) { return this.__data__.has(key); } module.exports = stackHas; /***/ }), /***/ "../../node_modules/lodash/_stackSet.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_stackSet.js ***! \**********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var ListCache = __webpack_require__(/*! ./_ListCache */ "../../node_modules/lodash/_ListCache.js"), Map = __webpack_require__(/*! ./_Map */ "../../node_modules/lodash/_Map.js"), MapCache = __webpack_require__(/*! ./_MapCache */ "../../node_modules/lodash/_MapCache.js"); /** Used as the size to enable large array optimizations. */ var LARGE_ARRAY_SIZE = 200; /** * Sets the stack `key` to `value`. * * @private * @name set * @memberOf Stack * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the stack cache instance. */ function stackSet(key, value) { var data = this.__data__; if (data instanceof ListCache) { var pairs = data.__data__; if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) { pairs.push([key, value]); this.size = ++data.size; return this; } data = this.__data__ = new MapCache(pairs); } data.set(key, value); this.size = data.size; return this; } module.exports = stackSet; /***/ }), /***/ "../../node_modules/lodash/_stringToPath.js": /*!**************************************************!*\ !*** ../../node_modules/lodash/_stringToPath.js ***! \**************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var memoizeCapped = __webpack_require__(/*! ./_memoizeCapped */ "../../node_modules/lodash/_memoizeCapped.js"); /** Used to match property names within property paths. */ var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g; /** Used to match backslashes in property paths. */ var reEscapeChar = /\\(\\)?/g; /** * Converts `string` to a property path array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the property path array. */ var stringToPath = memoizeCapped(function(string) { var result = []; if (string.charCodeAt(0) === 46 /* . */) { result.push(''); } string.replace(rePropName, function(match, number, quote, subString) { result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match)); }); return result; }); module.exports = stringToPath; /***/ }), /***/ "../../node_modules/lodash/_toKey.js": /*!*******************************************!*\ !*** ../../node_modules/lodash/_toKey.js ***! \*******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isSymbol = __webpack_require__(/*! ./isSymbol */ "../../node_modules/lodash/isSymbol.js"); /** Used as references for various `Number` constants. */ var INFINITY = 1 / 0; /** * Converts `value` to a string key if it's not a string or symbol. * * @private * @param {*} value The value to inspect. * @returns {string|symbol} Returns the key. */ function toKey(value) { if (typeof value == 'string' || isSymbol(value)) { return value; } var result = (value + ''); return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; } module.exports = toKey; /***/ }), /***/ "../../node_modules/lodash/_toSource.js": /*!**********************************************!*\ !*** ../../node_modules/lodash/_toSource.js ***! \**********************************************/ /***/ ((module) => { /** Used for built-in method references. */ var funcProto = Function.prototype; /** Used to resolve the decompiled source of functions. */ var funcToString = funcProto.toString; /** * Converts `func` to its source code. * * @private * @param {Function} func The function to convert. * @returns {string} Returns the source code. */ function toSource(func) { if (func != null) { try { return funcToString.call(func); } catch (e) {} try { return (func + ''); } catch (e) {} } return ''; } module.exports = toSource; /***/ }), /***/ "../../node_modules/lodash/eq.js": /*!***************************************!*\ !*** ../../node_modules/lodash/eq.js ***! \***************************************/ /***/ ((module) => { /** * Performs a * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * comparison between two values to determine if they are equivalent. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'a': 1 }; * var other = { 'a': 1 }; * * _.eq(object, object); * // => true * * _.eq(object, other); * // => false * * _.eq('a', 'a'); * // => true * * _.eq('a', Object('a')); * // => false * * _.eq(NaN, NaN); * // => true */ function eq(value, other) { return value === other || (value !== value && other !== other); } module.exports = eq; /***/ }), /***/ "../../node_modules/lodash/flatMap.js": /*!********************************************!*\ !*** ../../node_modules/lodash/flatMap.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseFlatten = __webpack_require__(/*! ./_baseFlatten */ "../../node_modules/lodash/_baseFlatten.js"), map = __webpack_require__(/*! ./map */ "../../node_modules/lodash/map.js"); /** * Creates a flattened array of values by running each element in `collection` * thru `iteratee` and flattening the mapped results. The iteratee is invoked * with three arguments: (value, index|key, collection). * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array} Returns the new flattened array. * @example * * function duplicate(n) { * return [n, n]; * } * * _.flatMap([1, 2], duplicate); * // => [1, 1, 2, 2] */ function flatMap(collection, iteratee) { return baseFlatten(map(collection, iteratee), 1); } module.exports = flatMap; /***/ }), /***/ "../../node_modules/lodash/flatten.js": /*!********************************************!*\ !*** ../../node_modules/lodash/flatten.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseFlatten = __webpack_require__(/*! ./_baseFlatten */ "../../node_modules/lodash/_baseFlatten.js"); /** * Flattens `array` a single level deep. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to flatten. * @returns {Array} Returns the new flattened array. * @example * * _.flatten([1, [2, [3, [4]], 5]]); * // => [1, 2, [3, [4]], 5] */ function flatten(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, 1) : []; } module.exports = flatten; /***/ }), /***/ "../../node_modules/lodash/get.js": /*!****************************************!*\ !*** ../../node_modules/lodash/get.js ***! \****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGet = __webpack_require__(/*! ./_baseGet */ "../../node_modules/lodash/_baseGet.js"); /** * Gets the value at `path` of `object`. If the resolved value is * `undefined`, the `defaultValue` is returned in its place. * * @static * @memberOf _ * @since 3.7.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @param {*} [defaultValue] The value returned for `undefined` resolved values. * @returns {*} Returns the resolved value. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }] }; * * _.get(object, 'a[0].b.c'); * // => 3 * * _.get(object, ['a', '0', 'b', 'c']); * // => 3 * * _.get(object, 'a.b.c', 'default'); * // => 'default' */ function get(object, path, defaultValue) { var result = object == null ? undefined : baseGet(object, path); return result === undefined ? defaultValue : result; } module.exports = get; /***/ }), /***/ "../../node_modules/lodash/groupBy.js": /*!********************************************!*\ !*** ../../node_modules/lodash/groupBy.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseAssignValue = __webpack_require__(/*! ./_baseAssignValue */ "../../node_modules/lodash/_baseAssignValue.js"), createAggregator = __webpack_require__(/*! ./_createAggregator */ "../../node_modules/lodash/_createAggregator.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** * Creates an object composed of keys generated from the results of running * each element of `collection` thru `iteratee`. The order of grouped values * is determined by the order they occur in `collection`. The corresponding * value of each key is an array of elements responsible for generating the * key. The iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The iteratee to transform keys. * @returns {Object} Returns the composed aggregate object. * @example * * _.groupBy([6.1, 4.2, 6.3], Math.floor); * // => { '4': [4.2], '6': [6.1, 6.3] } * * // The `_.property` iteratee shorthand. * _.groupBy(['one', 'two', 'three'], 'length'); * // => { '3': ['one', 'two'], '5': ['three'] } */ var groupBy = createAggregator(function(result, value, key) { if (hasOwnProperty.call(result, key)) { result[key].push(value); } else { baseAssignValue(result, key, [value]); } }); module.exports = groupBy; /***/ }), /***/ "../../node_modules/lodash/hasIn.js": /*!******************************************!*\ !*** ../../node_modules/lodash/hasIn.js ***! \******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseHasIn = __webpack_require__(/*! ./_baseHasIn */ "../../node_modules/lodash/_baseHasIn.js"), hasPath = __webpack_require__(/*! ./_hasPath */ "../../node_modules/lodash/_hasPath.js"); /** * Checks if `path` is a direct or inherited property of `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` exists, else `false`. * @example * * var object = _.create({ 'a': _.create({ 'b': 2 }) }); * * _.hasIn(object, 'a'); * // => true * * _.hasIn(object, 'a.b'); * // => true * * _.hasIn(object, ['a', 'b']); * // => true * * _.hasIn(object, 'b'); * // => false */ function hasIn(object, path) { return object != null && hasPath(object, path, baseHasIn); } module.exports = hasIn; /***/ }), /***/ "../../node_modules/lodash/identity.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/identity.js ***! \*********************************************/ /***/ ((module) => { /** * This method returns the first argument it receives. * * @static * @since 0.1.0 * @memberOf _ * @category Util * @param {*} value Any value. * @returns {*} Returns `value`. * @example * * var object = { 'a': 1 }; * * console.log(_.identity(object) === object); * // => true */ function identity(value) { return value; } module.exports = identity; /***/ }), /***/ "../../node_modules/lodash/isArguments.js": /*!************************************************!*\ !*** ../../node_modules/lodash/isArguments.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsArguments = __webpack_require__(/*! ./_baseIsArguments */ "../../node_modules/lodash/_baseIsArguments.js"), isObjectLike = __webpack_require__(/*! ./isObjectLike */ "../../node_modules/lodash/isObjectLike.js"); /** Used for built-in method references. */ var objectProto = Object.prototype; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Built-in value references. */ var propertyIsEnumerable = objectProto.propertyIsEnumerable; /** * Checks if `value` is likely an `arguments` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an `arguments` object, * else `false`. * @example * * _.isArguments(function() { return arguments; }()); * // => true * * _.isArguments([1, 2, 3]); * // => false */ var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) { return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee'); }; module.exports = isArguments; /***/ }), /***/ "../../node_modules/lodash/isArray.js": /*!********************************************!*\ !*** ../../node_modules/lodash/isArray.js ***! \********************************************/ /***/ ((module) => { /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(document.body.children); * // => false * * _.isArray('abc'); * // => false * * _.isArray(_.noop); * // => false */ var isArray = Array.isArray; module.exports = isArray; /***/ }), /***/ "../../node_modules/lodash/isArrayLike.js": /*!************************************************!*\ !*** ../../node_modules/lodash/isArrayLike.js ***! \************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var isFunction = __webpack_require__(/*! ./isFunction */ "../../node_modules/lodash/isFunction.js"), isLength = __webpack_require__(/*! ./isLength */ "../../node_modules/lodash/isLength.js"); /** * Checks if `value` is array-like. A value is considered array-like if it's * not a function and has a `value.length` that's an integer greater than or * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is array-like, else `false`. * @example * * _.isArrayLike([1, 2, 3]); * // => true * * _.isArrayLike(document.body.children); * // => true * * _.isArrayLike('abc'); * // => true * * _.isArrayLike(_.noop); * // => false */ function isArrayLike(value) { return value != null && isLength(value.length) && !isFunction(value); } module.exports = isArrayLike; /***/ }), /***/ "../../node_modules/lodash/isBuffer.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/isBuffer.js ***! \*********************************************/ /***/ ((module, exports, __webpack_require__) => { /* module decorator */ module = __webpack_require__.nmd(module); var root = __webpack_require__(/*! ./_root */ "../../node_modules/lodash/_root.js"), stubFalse = __webpack_require__(/*! ./stubFalse */ "../../node_modules/lodash/stubFalse.js"); /** Detect free variable `exports`. */ var freeExports = true && exports && !exports.nodeType && exports; /** Detect free variable `module`. */ var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module; /** Detect the popular CommonJS extension `module.exports`. */ var moduleExports = freeModule && freeModule.exports === freeExports; /** Built-in value references. */ var Buffer = moduleExports ? root.Buffer : undefined; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined; /** * Checks if `value` is a buffer. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. * @example * * _.isBuffer(new Buffer(2)); * // => true * * _.isBuffer(new Uint8Array(2)); * // => false */ var isBuffer = nativeIsBuffer || stubFalse; module.exports = isBuffer; /***/ }), /***/ "../../node_modules/lodash/isEqual.js": /*!********************************************!*\ !*** ../../node_modules/lodash/isEqual.js ***! \********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsEqual = __webpack_require__(/*! ./_baseIsEqual */ "../../node_modules/lodash/_baseIsEqual.js"); /** * Performs a deep comparison between two values to determine if they are * equivalent. * * **Note:** This method supports comparing arrays, array buffers, booleans, * date objects, error objects, maps, numbers, `Object` objects, regexes, * sets, strings, symbols, and typed arrays. `Object` objects are compared * by their own, not inherited, enumerable properties. Functions and DOM * nodes are compared by strict equality, i.e. `===`. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'a': 1 }; * var other = { 'a': 1 }; * * _.isEqual(object, other); * // => true * * object === other; * // => false */ function isEqual(value, other) { return baseIsEqual(value, other); } module.exports = isEqual; /***/ }), /***/ "../../node_modules/lodash/isFunction.js": /*!***********************************************!*\ !*** ../../node_modules/lodash/isFunction.js ***! \***********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGetTag = __webpack_require__(/*! ./_baseGetTag */ "../../node_modules/lodash/_baseGetTag.js"), isObject = __webpack_require__(/*! ./isObject */ "../../node_modules/lodash/isObject.js"); /** `Object#toString` result references. */ var asyncTag = '[object AsyncFunction]', funcTag = '[object Function]', genTag = '[object GeneratorFunction]', proxyTag = '[object Proxy]'; /** * Checks if `value` is classified as a `Function` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a function, else `false`. * @example * * _.isFunction(_); * // => true * * _.isFunction(/abc/); * // => false */ function isFunction(value) { if (!isObject(value)) { return false; } // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 9 which returns 'object' for typed arrays and other constructors. var tag = baseGetTag(value); return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; } module.exports = isFunction; /***/ }), /***/ "../../node_modules/lodash/isLength.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/isLength.js ***! \*********************************************/ /***/ ((module) => { /** Used as references for various `Number` constants. */ var MAX_SAFE_INTEGER = 9007199254740991; /** * Checks if `value` is a valid array-like length. * * **Note:** This method is loosely based on * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. * @example * * _.isLength(3); * // => true * * _.isLength(Number.MIN_VALUE); * // => false * * _.isLength(Infinity); * // => false * * _.isLength('3'); * // => false */ function isLength(value) { return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; } module.exports = isLength; /***/ }), /***/ "../../node_modules/lodash/isObject.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/isObject.js ***! \*********************************************/ /***/ ((module) => { /** * Checks if `value` is the * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an object, else `false`. * @example * * _.isObject({}); * // => true * * _.isObject([1, 2, 3]); * // => true * * _.isObject(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return value != null && (type == 'object' || type == 'function'); } module.exports = isObject; /***/ }), /***/ "../../node_modules/lodash/isObjectLike.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/isObjectLike.js ***! \*************************************************/ /***/ ((module) => { /** * Checks if `value` is object-like. A value is object-like if it's not `null` * and has a `typeof` result of "object". * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is object-like, else `false`. * @example * * _.isObjectLike({}); * // => true * * _.isObjectLike([1, 2, 3]); * // => true * * _.isObjectLike(_.noop); * // => false * * _.isObjectLike(null); * // => false */ function isObjectLike(value) { return value != null && typeof value == 'object'; } module.exports = isObjectLike; /***/ }), /***/ "../../node_modules/lodash/isSymbol.js": /*!*********************************************!*\ !*** ../../node_modules/lodash/isSymbol.js ***! \*********************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseGetTag = __webpack_require__(/*! ./_baseGetTag */ "../../node_modules/lodash/_baseGetTag.js"), isObjectLike = __webpack_require__(/*! ./isObjectLike */ "../../node_modules/lodash/isObjectLike.js"); /** `Object#toString` result references. */ var symbolTag = '[object Symbol]'; /** * Checks if `value` is classified as a `Symbol` primitive or object. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. * @example * * _.isSymbol(Symbol.iterator); * // => true * * _.isSymbol('abc'); * // => false */ function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && baseGetTag(value) == symbolTag); } module.exports = isSymbol; /***/ }), /***/ "../../node_modules/lodash/isTypedArray.js": /*!*************************************************!*\ !*** ../../node_modules/lodash/isTypedArray.js ***! \*************************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var baseIsTypedArray = __webpack_require__(/*! ./_baseIsTypedArray */ "../../node_modules/lodash/_baseIsTypedArray.js"), baseUnary = __webpack_require__(/*! ./_baseUnary */ "../../node_modules/lodash/_baseUnary.js"), nodeUtil = __webpack_require__(/*! ./_nodeUtil */ "../../node_modules/lodash/_nodeUtil.js"); /* Node.js helper references. */ var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray; /** * Checks if `value` is classified as a typed array. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. * @example * * _.isTypedArray(new Uint8Array); * // => true * * _.isTypedArray([]); * // => false */ var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray; module.exports = isTypedArray; /***/ }), /***/ "../../node_modules/lodash/keys.js": /*!*****************************************!*\ !*** ../../node_modules/lodash/keys.js ***! \*****************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayLikeKeys = __webpack_require__(/*! ./_arrayLikeKeys */ "../../node_modules/lodash/_arrayLikeKeys.js"), baseKeys = __webpack_require__(/*! ./_baseKeys */ "../../node_modules/lodash/_baseKeys.js"), isArrayLike = __webpack_require__(/*! ./isArrayLike */ "../../node_modules/lodash/isArrayLike.js"); /** * Creates an array of the own enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. See the * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) * for more details. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keys(new Foo); * // => ['a', 'b'] (iteration order is not guaranteed) * * _.keys('hi'); * // => ['0', '1'] */ function keys(object) { return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object); } module.exports = keys; /***/ }), /***/ "../../node_modules/lodash/keysIn.js": /*!*******************************************!*\ !*** ../../node_modules/lodash/keysIn.js ***! \*******************************************/ /***/ ((module, __unused_webpack_exports, __webpack_require__) => { var arrayLikeKeys = __webpack_require__(/*! ./_arrayLikeKeys */ "../../node_modules/lodash/_arrayLikeKeys.js"), baseKeysIn = __webpack_require__(/*! ./_baseKeysIn */ "../../node_modules/lodash/_baseKeysIn.js"), isArrayLike = __webpack_require__(/*! ./isArrayLike */ "../../node_modules/lodash/isArrayLike.js"); /** * Creates an array of the own and inherited enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @memberOf _ * @since 3.0.0 * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keysIn(new Foo); * // => ['a', 'b', 'c'] (iteration order is not guaranteed) */ function keysIn(object) { return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object); } module.exports = keysIn; /***/ }), /***/ "../../node_modules/lodash/lodash.js": /*!*******************************************!*\ !*** ../../node_modules/lodash/lodash.js ***! \*******************************************/ /***/ (function(module, exports, __webpack_require__) { /* module decorator */ module = __webpack_require__.nmd(module); var __WEBPACK_AMD_DEFINE_RESULT__;/** * @license * Lodash * Copyright OpenJS Foundation and other contributors * Released under MIT license * Based on Underscore.js 1.8.3 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors */ ;(function() { /** Used as a safe reference for `undefined` in pre-ES5 environments. */ var undefined; /** Used as the semantic version number. */ var VERSION = '4.17.21'; /** Used as the size to enable large array optimizations. */ var LARGE_ARRAY_SIZE = 200; /** Error message constants. */ var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.', FUNC_ERROR_TEXT = 'Expected a function', INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`'; /** Used to stand-in for `undefined` hash values. */ var HASH_UNDEFINED = '__lodash_hash_undefined__'; /** Used as the maximum memoize cache size. */ var MAX_MEMOIZE_SIZE = 500; /** Used as the internal argument placeholder. */ var PLACEHOLDER = '__lodash_placeholder__'; /** Used to compose bitmasks for cloning. */ var CLONE_DEEP_FLAG = 1, CLONE_FLAT_FLAG = 2, CLONE_SYMBOLS_FLAG = 4; /** Used to compose bitmasks for value comparisons. */ var COMPARE_PARTIAL_FLAG = 1, COMPARE_UNORDERED_FLAG = 2; /** Used to compose bitmasks for function metadata. */ var WRAP_BIND_FLAG = 1, WRAP_BIND_KEY_FLAG = 2, WRAP_CURRY_BOUND_FLAG = 4, WRAP_CURRY_FLAG = 8, WRAP_CURRY_RIGHT_FLAG = 16, WRAP_PARTIAL_FLAG = 32, WRAP_PARTIAL_RIGHT_FLAG = 64, WRAP_ARY_FLAG = 128, WRAP_REARG_FLAG = 256, WRAP_FLIP_FLAG = 512; /** Used as default options for `_.truncate`. */ var DEFAULT_TRUNC_LENGTH = 30, DEFAULT_TRUNC_OMISSION = '...'; /** Used to detect hot functions by number of calls within a span of milliseconds. */ var HOT_COUNT = 800, HOT_SPAN = 16; /** Used to indicate the type of lazy iteratees. */ var LAZY_FILTER_FLAG = 1, LAZY_MAP_FLAG = 2, LAZY_WHILE_FLAG = 3; /** Used as references for various `Number` constants. */ var INFINITY = 1 / 0, MAX_SAFE_INTEGER = 9007199254740991, MAX_INTEGER = 1.7976931348623157e+308, NAN = 0 / 0; /** Used as references for the maximum length and index of an array. */ var MAX_ARRAY_LENGTH = 4294967295, MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1, HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1; /** Used to associate wrap methods with their bit flags. */ var wrapFlags = [ ['ary', WRAP_ARY_FLAG], ['bind', WRAP_BIND_FLAG], ['bindKey', WRAP_BIND_KEY_FLAG], ['curry', WRAP_CURRY_FLAG], ['curryRight', WRAP_CURRY_RIGHT_FLAG], ['flip', WRAP_FLIP_FLAG], ['partial', WRAP_PARTIAL_FLAG], ['partialRight', WRAP_PARTIAL_RIGHT_FLAG], ['rearg', WRAP_REARG_FLAG] ]; /** `Object#toString` result references. */ var argsTag = '[object Arguments]', arrayTag = '[object Array]', asyncTag = '[object AsyncFunction]', boolTag = '[object Boolean]', dateTag = '[object Date]', domExcTag = '[object DOMException]', errorTag = '[object Error]', funcTag = '[object Function]', genTag = '[object GeneratorFunction]', mapTag = '[object Map]', numberTag = '[object Number]', nullTag = '[object Null]', objectTag = '[object Object]', promiseTag = '[object Promise]', proxyTag = '[object Proxy]', regexpTag = '[object RegExp]', setTag = '[object Set]', stringTag = '[object String]', symbolTag = '[object Symbol]', undefinedTag = '[object Undefined]', weakMapTag = '[object WeakMap]', weakSetTag = '[object WeakSet]'; var arrayBufferTag = '[object ArrayBuffer]', dataViewTag = '[object DataView]', float32Tag = '[object Float32Array]', float64Tag = '[object Float64Array]', int8Tag = '[object Int8Array]', int16Tag = '[object Int16Array]', int32Tag = '[object Int32Array]', uint8Tag = '[object Uint8Array]', uint8ClampedTag = '[object Uint8ClampedArray]', uint16Tag = '[object Uint16Array]', uint32Tag = '[object Uint32Array]'; /** Used to match empty string literals in compiled template source. */ var reEmptyStringLeading = /\b__p \+= '';/g, reEmptyStringMiddle = /\b(__p \+=) '' \+/g, reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g; /** Used to match HTML entities and HTML characters. */ var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g, reUnescapedHtml = /[&<>"']/g, reHasEscapedHtml = RegExp(reEscapedHtml.source), reHasUnescapedHtml = RegExp(reUnescapedHtml.source); /** Used to match template delimiters. */ var reEscape = /<%-([\s\S]+?)%>/g, reEvaluate = /<%([\s\S]+?)%>/g, reInterpolate = /<%=([\s\S]+?)%>/g; /** Used to match property names within property paths. */ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/, rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g; /** * Used to match `RegExp` * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns). */ var reRegExpChar = /[\\^$.*+?()[\]{}|]/g, reHasRegExpChar = RegExp(reRegExpChar.source); /** Used to match leading whitespace. */ var reTrimStart = /^\s+/; /** Used to match a single whitespace character. */ var reWhitespace = /\s/; /** Used to match wrap detail comments. */ var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/, reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/, reSplitDetails = /,? & /; /** Used to match words composed of alphanumeric characters. */ var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g; /** * Used to validate the `validate` option in `_.template` variable. * * Forbids characters which could potentially change the meaning of the function argument definition: * - "()," (modification of function parameters) * - "=" (default value) * - "[]{}" (destructuring of function parameters) * - "/" (beginning of a comment) * - whitespace */ var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/; /** Used to match backslashes in property paths. */ var reEscapeChar = /\\(\\)?/g; /** * Used to match * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components). */ var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g; /** Used to match `RegExp` flags from their coerced string values. */ var reFlags = /\w*$/; /** Used to detect bad signed hexadecimal string values. */ var reIsBadHex = /^[-+]0x[0-9a-f]+$/i; /** Used to detect binary string values. */ var reIsBinary = /^0b[01]+$/i; /** Used to detect host constructors (Safari). */ var reIsHostCtor = /^\[object .+?Constructor\]$/; /** Used to detect octal string values. */ var reIsOctal = /^0o[0-7]+$/i; /** Used to detect unsigned integer values. */ var reIsUint = /^(?:0|[1-9]\d*)$/; /** Used to match Latin Unicode letters (excluding mathematical operators). */ var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g; /** Used to ensure capturing order of template delimiters. */ var reNoMatch = /($^)/; /** Used to match unescaped characters in compiled string literals. */ var reUnescapedString = /['\n\r\u2028\u2029\\]/g; /** Used to compose unicode character classes. */ var rsAstralRange = '\\ud800-\\udfff', rsComboMarksRange = '\\u0300-\\u036f', reComboHalfMarksRange = '\\ufe20-\\ufe2f', rsComboSymbolsRange = '\\u20d0-\\u20ff', rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange, rsDingbatRange = '\\u2700-\\u27bf', rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff', rsMathOpRange = '\\xac\\xb1\\xd7\\xf7', rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf', rsPunctuationRange = '\\u2000-\\u206f', rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000', rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde', rsVarRange = '\\ufe0e\\ufe0f', rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange; /** Used to compose unicode capture groups. */ var rsApos = "['\u2019]", rsAstral = '[' + rsAstralRange + ']', rsBreak = '[' + rsBreakRange + ']', rsCombo = '[' + rsComboRange + ']', rsDigits = '\\d+', rsDingbat = '[' + rsDingbatRange + ']', rsLower = '[' + rsLowerRange + ']', rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']', rsFitz = '\\ud83c[\\udffb-\\udfff]', rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')', rsNonAstral = '[^' + rsAstralRange + ']', rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}', rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]', rsUpper = '[' + rsUpperRange + ']', rsZWJ = '\\u200d'; /** Used to compose unicode regexes. */ var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')', rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')', rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?', rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?', reOptMod = rsModifier + '?', rsOptVar = '[' + rsVarRange + ']?', rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*', rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])', rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])', rsSeq = rsOptVar + reOptMod + rsOptJoin, rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq, rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')'; /** Used to match apostrophes. */ var reApos = RegExp(rsApos, 'g'); /** * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols). */ var reComboMark = RegExp(rsCombo, 'g'); /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */ var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g'); /** Used to match complex or compound words. */ var reUnicodeWord = RegExp([ rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')', rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')', rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower, rsUpper + '+' + rsOptContrUpper, rsOrdUpper, rsOrdLower, rsDigits, rsEmoji ].join('|'), 'g'); /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */ var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']'); /** Used to detect strings that need a more robust regexp to match words. */ var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/; /** Used to assign default `context` object properties. */ var contextProps = [ 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array', 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object', 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array', 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap', '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout' ]; /** Used to make template sourceURLs easier to identify. */ var templateCounter = -1; /** Used to identify `toStringTag` values of typed arrays. */ var typedArrayTags = {}; typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true; typedArrayTags[argsTag] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false; /** Used to identify `toStringTag` values supported by `_.clone`. */ var cloneableTags = {}; cloneableTags[argsTag] = cloneableTags[arrayTag] = cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] = cloneableTags[boolTag] = cloneableTags[dateTag] = cloneableTags[float32Tag] = cloneableTags[float64Tag] = cloneableTags[int8Tag] = cloneableTags[int16Tag] = cloneableTags[int32Tag] = cloneableTags[mapTag] = cloneableTags[numberTag] = cloneableTags[objectTag] = cloneableTags[regexpTag] = cloneableTags[setTag] = cloneableTags[stringTag] = cloneableTags[symbolTag] = cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] = cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true; cloneableTags[errorTag] = cloneableTags[funcTag] = cloneableTags[weakMapTag] = false; /** Used to map Latin Unicode letters to basic Latin letters. */ var deburredLetters = { // Latin-1 Supplement block. '\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A', '\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a', '\xc7': 'C', '\xe7': 'c', '\xd0': 'D', '\xf0': 'd', '\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E', '\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e', '\xcc': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I', '\xec': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i', '\xd1': 'N', '\xf1': 'n', '\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O', '\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o', '\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U', '\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u', '\xdd': 'Y', '\xfd': 'y', '\xff': 'y', '\xc6': 'Ae', '\xe6': 'ae', '\xde': 'Th', '\xfe': 'th', '\xdf': 'ss', // Latin Extended-A block. '\u0100': 'A', '\u0102': 'A', '\u0104': 'A', '\u0101': 'a', '\u0103': 'a', '\u0105': 'a', '\u0106': 'C', '\u0108': 'C', '\u010a': 'C', '\u010c': 'C', '\u0107': 'c', '\u0109': 'c', '\u010b': 'c', '\u010d': 'c', '\u010e': 'D', '\u0110': 'D', '\u010f': 'd', '\u0111': 'd', '\u0112': 'E', '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E', '\u0113': 'e', '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e', '\u011c': 'G', '\u011e': 'G', '\u0120': 'G', '\u0122': 'G', '\u011d': 'g', '\u011f': 'g', '\u0121': 'g', '\u0123': 'g', '\u0124': 'H', '\u0126': 'H', '\u0125': 'h', '\u0127': 'h', '\u0128': 'I', '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I', '\u0129': 'i', '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i', '\u0134': 'J', '\u0135': 'j', '\u0136': 'K', '\u0137': 'k', '\u0138': 'k', '\u0139': 'L', '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L', '\u013a': 'l', '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l', '\u0143': 'N', '\u0145': 'N', '\u0147': 'N', '\u014a': 'N', '\u0144': 'n', '\u0146': 'n', '\u0148': 'n', '\u014b': 'n', '\u014c': 'O', '\u014e': 'O', '\u0150': 'O', '\u014d': 'o', '\u014f': 'o', '\u0151': 'o', '\u0154': 'R', '\u0156': 'R', '\u0158': 'R', '\u0155': 'r', '\u0157': 'r', '\u0159': 'r', '\u015a': 'S', '\u015c': 'S', '\u015e': 'S', '\u0160': 'S', '\u015b': 's', '\u015d': 's', '\u015f': 's', '\u0161': 's', '\u0162': 'T', '\u0164': 'T', '\u0166': 'T', '\u0163': 't', '\u0165': 't', '\u0167': 't', '\u0168': 'U', '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U', '\u0169': 'u', '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u', '\u0174': 'W', '\u0175': 'w', '\u0176': 'Y', '\u0177': 'y', '\u0178': 'Y', '\u0179': 'Z', '\u017b': 'Z', '\u017d': 'Z', '\u017a': 'z', '\u017c': 'z', '\u017e': 'z', '\u0132': 'IJ', '\u0133': 'ij', '\u0152': 'Oe', '\u0153': 'oe', '\u0149': "'n", '\u017f': 's' }; /** Used to map characters to HTML entities. */ var htmlEscapes = { '&': '&', '<': '<', '>': '>', '"': '"', "'": ''' }; /** Used to map HTML entities to characters. */ var htmlUnescapes = { '&': '&', '<': '<', '>': '>', '"': '"', ''': "'" }; /** Used to escape characters for inclusion in compiled string literals. */ var stringEscapes = { '\\': '\\', "'": "'", '\n': 'n', '\r': 'r', '\u2028': 'u2028', '\u2029': 'u2029' }; /** Built-in method references without a dependency on `root`. */ var freeParseFloat = parseFloat, freeParseInt = parseInt; /** Detect free variable `global` from Node.js. */ var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g; /** Detect free variable `self`. */ var freeSelf = typeof self == 'object' && self && self.Object === Object && self; /** Used as a reference to the global object. */ var root = freeGlobal || freeSelf || Function('return this')(); /** Detect free variable `exports`. */ var freeExports = true && exports && !exports.nodeType && exports; /** Detect free variable `module`. */ var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module; /** Detect the popular CommonJS extension `module.exports`. */ var moduleExports = freeModule && freeModule.exports === freeExports; /** Detect free variable `process` from Node.js. */ var freeProcess = moduleExports && freeGlobal.process; /** Used to access faster Node.js helpers. */ var nodeUtil = (function() { try { // Use `util.types` for Node.js 10+. var types = freeModule && freeModule.require && freeModule.require('util').types; if (types) { return types; } // Legacy `process.binding('util')` for Node.js < 10. return freeProcess && freeProcess.binding && freeProcess.binding('util'); } catch (e) {} }()); /* Node.js helper references. */ var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer, nodeIsDate = nodeUtil && nodeUtil.isDate, nodeIsMap = nodeUtil && nodeUtil.isMap, nodeIsRegExp = nodeUtil && nodeUtil.isRegExp, nodeIsSet = nodeUtil && nodeUtil.isSet, nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray; /*--------------------------------------------------------------------------*/ /** * A faster alternative to `Function#apply`, this function invokes `func` * with the `this` binding of `thisArg` and the arguments of `args`. * * @private * @param {Function} func The function to invoke. * @param {*} thisArg The `this` binding of `func`. * @param {Array} args The arguments to invoke `func` with. * @returns {*} Returns the result of `func`. */ function apply(func, thisArg, args) { switch (args.length) { case 0: return func.call(thisArg); case 1: return func.call(thisArg, args[0]); case 2: return func.call(thisArg, args[0], args[1]); case 3: return func.call(thisArg, args[0], args[1], args[2]); } return func.apply(thisArg, args); } /** * A specialized version of `baseAggregator` for arrays. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} setter The function to set `accumulator` values. * @param {Function} iteratee The iteratee to transform keys. * @param {Object} accumulator The initial aggregated object. * @returns {Function} Returns `accumulator`. */ function arrayAggregator(array, setter, iteratee, accumulator) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { var value = array[index]; setter(accumulator, value, iteratee(value), array); } return accumulator; } /** * A specialized version of `_.forEach` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns `array`. */ function arrayEach(array, iteratee) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { if (iteratee(array[index], index, array) === false) { break; } } return array; } /** * A specialized version of `_.forEachRight` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns `array`. */ function arrayEachRight(array, iteratee) { var length = array == null ? 0 : array.length; while (length--) { if (iteratee(array[length], length, array) === false) { break; } } return array; } /** * A specialized version of `_.every` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if all elements pass the predicate check, * else `false`. */ function arrayEvery(array, predicate) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { if (!predicate(array[index], index, array)) { return false; } } return true; } /** * A specialized version of `_.filter` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {Array} Returns the new filtered array. */ function arrayFilter(array, predicate) { var index = -1, length = array == null ? 0 : array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index]; if (predicate(value, index, array)) { result[resIndex++] = value; } } return result; } /** * A specialized version of `_.includes` for arrays without support for * specifying an index to search from. * * @private * @param {Array} [array] The array to inspect. * @param {*} target The value to search for. * @returns {boolean} Returns `true` if `target` is found, else `false`. */ function arrayIncludes(array, value) { var length = array == null ? 0 : array.length; return !!length && baseIndexOf(array, value, 0) > -1; } /** * This function is like `arrayIncludes` except that it accepts a comparator. * * @private * @param {Array} [array] The array to inspect. * @param {*} target The value to search for. * @param {Function} comparator The comparator invoked per element. * @returns {boolean} Returns `true` if `target` is found, else `false`. */ function arrayIncludesWith(array, value, comparator) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { if (comparator(value, array[index])) { return true; } } return false; } /** * A specialized version of `_.map` for arrays without support for iteratee * shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the new mapped array. */ function arrayMap(array, iteratee) { var index = -1, length = array == null ? 0 : array.length, result = Array(length); while (++index < length) { result[index] = iteratee(array[index], index, array); } return result; } /** * Appends the elements of `values` to `array`. * * @private * @param {Array} array The array to modify. * @param {Array} values The values to append. * @returns {Array} Returns `array`. */ function arrayPush(array, values) { var index = -1, length = values.length, offset = array.length; while (++index < length) { array[offset + index] = values[index]; } return array; } /** * A specialized version of `_.reduce` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {*} [accumulator] The initial value. * @param {boolean} [initAccum] Specify using the first element of `array` as * the initial value. * @returns {*} Returns the accumulated value. */ function arrayReduce(array, iteratee, accumulator, initAccum) { var index = -1, length = array == null ? 0 : array.length; if (initAccum && length) { accumulator = array[++index]; } while (++index < length) { accumulator = iteratee(accumulator, array[index], index, array); } return accumulator; } /** * A specialized version of `_.reduceRight` for arrays without support for * iteratee shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {*} [accumulator] The initial value. * @param {boolean} [initAccum] Specify using the last element of `array` as * the initial value. * @returns {*} Returns the accumulated value. */ function arrayReduceRight(array, iteratee, accumulator, initAccum) { var length = array == null ? 0 : array.length; if (initAccum && length) { accumulator = array[--length]; } while (length--) { accumulator = iteratee(accumulator, array[length], length, array); } return accumulator; } /** * A specialized version of `_.some` for arrays without support for iteratee * shorthands. * * @private * @param {Array} [array] The array to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if any element passes the predicate check, * else `false`. */ function arraySome(array, predicate) { var index = -1, length = array == null ? 0 : array.length; while (++index < length) { if (predicate(array[index], index, array)) { return true; } } return false; } /** * Gets the size of an ASCII `string`. * * @private * @param {string} string The string inspect. * @returns {number} Returns the string size. */ var asciiSize = baseProperty('length'); /** * Converts an ASCII `string` to an array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the converted array. */ function asciiToArray(string) { return string.split(''); } /** * Splits an ASCII `string` into an array of its words. * * @private * @param {string} The string to inspect. * @returns {Array} Returns the words of `string`. */ function asciiWords(string) { return string.match(reAsciiWord) || []; } /** * The base implementation of methods like `_.findKey` and `_.findLastKey`, * without support for iteratee shorthands, which iterates over `collection` * using `eachFunc`. * * @private * @param {Array|Object} collection The collection to inspect. * @param {Function} predicate The function invoked per iteration. * @param {Function} eachFunc The function to iterate over `collection`. * @returns {*} Returns the found element or its key, else `undefined`. */ function baseFindKey(collection, predicate, eachFunc) { var result; eachFunc(collection, function(value, key, collection) { if (predicate(value, key, collection)) { result = key; return false; } }); return result; } /** * The base implementation of `_.findIndex` and `_.findLastIndex` without * support for iteratee shorthands. * * @private * @param {Array} array The array to inspect. * @param {Function} predicate The function invoked per iteration. * @param {number} fromIndex The index to search from. * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {number} Returns the index of the matched value, else `-1`. */ function baseFindIndex(array, predicate, fromIndex, fromRight) { var length = array.length, index = fromIndex + (fromRight ? 1 : -1); while ((fromRight ? index-- : ++index < length)) { if (predicate(array[index], index, array)) { return index; } } return -1; } /** * The base implementation of `_.indexOf` without `fromIndex` bounds checks. * * @private * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} fromIndex The index to search from. * @returns {number} Returns the index of the matched value, else `-1`. */ function baseIndexOf(array, value, fromIndex) { return value === value ? strictIndexOf(array, value, fromIndex) : baseFindIndex(array, baseIsNaN, fromIndex); } /** * This function is like `baseIndexOf` except that it accepts a comparator. * * @private * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} fromIndex The index to search from. * @param {Function} comparator The comparator invoked per element. * @returns {number} Returns the index of the matched value, else `-1`. */ function baseIndexOfWith(array, value, fromIndex, comparator) { var index = fromIndex - 1, length = array.length; while (++index < length) { if (comparator(array[index], value)) { return index; } } return -1; } /** * The base implementation of `_.isNaN` without support for number objects. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`. */ function baseIsNaN(value) { return value !== value; } /** * The base implementation of `_.mean` and `_.meanBy` without support for * iteratee shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {number} Returns the mean. */ function baseMean(array, iteratee) { var length = array == null ? 0 : array.length; return length ? (baseSum(array, iteratee) / length) : NAN; } /** * The base implementation of `_.property` without support for deep paths. * * @private * @param {string} key The key of the property to get. * @returns {Function} Returns the new accessor function. */ function baseProperty(key) { return function(object) { return object == null ? undefined : object[key]; }; } /** * The base implementation of `_.propertyOf` without support for deep paths. * * @private * @param {Object} object The object to query. * @returns {Function} Returns the new accessor function. */ function basePropertyOf(object) { return function(key) { return object == null ? undefined : object[key]; }; } /** * The base implementation of `_.reduce` and `_.reduceRight`, without support * for iteratee shorthands, which iterates over `collection` using `eachFunc`. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {*} accumulator The initial value. * @param {boolean} initAccum Specify using the first or last element of * `collection` as the initial value. * @param {Function} eachFunc The function to iterate over `collection`. * @returns {*} Returns the accumulated value. */ function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) { eachFunc(collection, function(value, index, collection) { accumulator = initAccum ? (initAccum = false, value) : iteratee(accumulator, value, index, collection); }); return accumulator; } /** * The base implementation of `_.sortBy` which uses `comparer` to define the * sort order of `array` and replaces criteria objects with their corresponding * values. * * @private * @param {Array} array The array to sort. * @param {Function} comparer The function to define sort order. * @returns {Array} Returns `array`. */ function baseSortBy(array, comparer) { var length = array.length; array.sort(comparer); while (length--) { array[length] = array[length].value; } return array; } /** * The base implementation of `_.sum` and `_.sumBy` without support for * iteratee shorthands. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {number} Returns the sum. */ function baseSum(array, iteratee) { var result, index = -1, length = array.length; while (++index < length) { var current = iteratee(array[index]); if (current !== undefined) { result = result === undefined ? current : (result + current); } } return result; } /** * The base implementation of `_.times` without support for iteratee shorthands * or max array length checks. * * @private * @param {number} n The number of times to invoke `iteratee`. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the array of results. */ function baseTimes(n, iteratee) { var index = -1, result = Array(n); while (++index < n) { result[index] = iteratee(index); } return result; } /** * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array * of key-value pairs for `object` corresponding to the property names of `props`. * * @private * @param {Object} object The object to query. * @param {Array} props The property names to get values for. * @returns {Object} Returns the key-value pairs. */ function baseToPairs(object, props) { return arrayMap(props, function(key) { return [key, object[key]]; }); } /** * The base implementation of `_.trim`. * * @private * @param {string} string The string to trim. * @returns {string} Returns the trimmed string. */ function baseTrim(string) { return string ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '') : string; } /** * The base implementation of `_.unary` without support for storing metadata. * * @private * @param {Function} func The function to cap arguments for. * @returns {Function} Returns the new capped function. */ function baseUnary(func) { return function(value) { return func(value); }; } /** * The base implementation of `_.values` and `_.valuesIn` which creates an * array of `object` property values corresponding to the property names * of `props`. * * @private * @param {Object} object The object to query. * @param {Array} props The property names to get values for. * @returns {Object} Returns the array of property values. */ function baseValues(object, props) { return arrayMap(props, function(key) { return object[key]; }); } /** * Checks if a `cache` value for `key` exists. * * @private * @param {Object} cache The cache to query. * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function cacheHas(cache, key) { return cache.has(key); } /** * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol * that is not found in the character symbols. * * @private * @param {Array} strSymbols The string symbols to inspect. * @param {Array} chrSymbols The character symbols to find. * @returns {number} Returns the index of the first unmatched string symbol. */ function charsStartIndex(strSymbols, chrSymbols) { var index = -1, length = strSymbols.length; while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {} return index; } /** * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol * that is not found in the character symbols. * * @private * @param {Array} strSymbols The string symbols to inspect. * @param {Array} chrSymbols The character symbols to find. * @returns {number} Returns the index of the last unmatched string symbol. */ function charsEndIndex(strSymbols, chrSymbols) { var index = strSymbols.length; while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {} return index; } /** * Gets the number of `placeholder` occurrences in `array`. * * @private * @param {Array} array The array to inspect. * @param {*} placeholder The placeholder to search for. * @returns {number} Returns the placeholder count. */ function countHolders(array, placeholder) { var length = array.length, result = 0; while (length--) { if (array[length] === placeholder) { ++result; } } return result; } /** * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A * letters to basic Latin letters. * * @private * @param {string} letter The matched letter to deburr. * @returns {string} Returns the deburred letter. */ var deburrLetter = basePropertyOf(deburredLetters); /** * Used by `_.escape` to convert characters to HTML entities. * * @private * @param {string} chr The matched character to escape. * @returns {string} Returns the escaped character. */ var escapeHtmlChar = basePropertyOf(htmlEscapes); /** * Used by `_.template` to escape characters for inclusion in compiled string literals. * * @private * @param {string} chr The matched character to escape. * @returns {string} Returns the escaped character. */ function escapeStringChar(chr) { return '\\' + stringEscapes[chr]; } /** * Gets the value at `key` of `object`. * * @private * @param {Object} [object] The object to query. * @param {string} key The key of the property to get. * @returns {*} Returns the property value. */ function getValue(object, key) { return object == null ? undefined : object[key]; } /** * Checks if `string` contains Unicode symbols. * * @private * @param {string} string The string to inspect. * @returns {boolean} Returns `true` if a symbol is found, else `false`. */ function hasUnicode(string) { return reHasUnicode.test(string); } /** * Checks if `string` contains a word composed of Unicode symbols. * * @private * @param {string} string The string to inspect. * @returns {boolean} Returns `true` if a word is found, else `false`. */ function hasUnicodeWord(string) { return reHasUnicodeWord.test(string); } /** * Converts `iterator` to an array. * * @private * @param {Object} iterator The iterator to convert. * @returns {Array} Returns the converted array. */ function iteratorToArray(iterator) { var data, result = []; while (!(data = iterator.next()).done) { result.push(data.value); } return result; } /** * Converts `map` to its key-value pairs. * * @private * @param {Object} map The map to convert. * @returns {Array} Returns the key-value pairs. */ function mapToArray(map) { var index = -1, result = Array(map.size); map.forEach(function(value, key) { result[++index] = [key, value]; }); return result; } /** * Creates a unary function that invokes `func` with its argument transformed. * * @private * @param {Function} func The function to wrap. * @param {Function} transform The argument transform. * @returns {Function} Returns the new function. */ function overArg(func, transform) { return function(arg) { return func(transform(arg)); }; } /** * Replaces all `placeholder` elements in `array` with an internal placeholder * and returns an array of their indexes. * * @private * @param {Array} array The array to modify. * @param {*} placeholder The placeholder to replace. * @returns {Array} Returns the new array of placeholder indexes. */ function replaceHolders(array, placeholder) { var index = -1, length = array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index]; if (value === placeholder || value === PLACEHOLDER) { array[index] = PLACEHOLDER; result[resIndex++] = index; } } return result; } /** * Converts `set` to an array of its values. * * @private * @param {Object} set The set to convert. * @returns {Array} Returns the values. */ function setToArray(set) { var index = -1, result = Array(set.size); set.forEach(function(value) { result[++index] = value; }); return result; } /** * Converts `set` to its value-value pairs. * * @private * @param {Object} set The set to convert. * @returns {Array} Returns the value-value pairs. */ function setToPairs(set) { var index = -1, result = Array(set.size); set.forEach(function(value) { result[++index] = [value, value]; }); return result; } /** * A specialized version of `_.indexOf` which performs strict equality * comparisons of values, i.e. `===`. * * @private * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} fromIndex The index to search from. * @returns {number} Returns the index of the matched value, else `-1`. */ function strictIndexOf(array, value, fromIndex) { var index = fromIndex - 1, length = array.length; while (++index < length) { if (array[index] === value) { return index; } } return -1; } /** * A specialized version of `_.lastIndexOf` which performs strict equality * comparisons of values, i.e. `===`. * * @private * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} fromIndex The index to search from. * @returns {number} Returns the index of the matched value, else `-1`. */ function strictLastIndexOf(array, value, fromIndex) { var index = fromIndex + 1; while (index--) { if (array[index] === value) { return index; } } return index; } /** * Gets the number of symbols in `string`. * * @private * @param {string} string The string to inspect. * @returns {number} Returns the string size. */ function stringSize(string) { return hasUnicode(string) ? unicodeSize(string) : asciiSize(string); } /** * Converts `string` to an array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the converted array. */ function stringToArray(string) { return hasUnicode(string) ? unicodeToArray(string) : asciiToArray(string); } /** * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace * character of `string`. * * @private * @param {string} string The string to inspect. * @returns {number} Returns the index of the last non-whitespace character. */ function trimmedEndIndex(string) { var index = string.length; while (index-- && reWhitespace.test(string.charAt(index))) {} return index; } /** * Used by `_.unescape` to convert HTML entities to characters. * * @private * @param {string} chr The matched character to unescape. * @returns {string} Returns the unescaped character. */ var unescapeHtmlChar = basePropertyOf(htmlUnescapes); /** * Gets the size of a Unicode `string`. * * @private * @param {string} string The string inspect. * @returns {number} Returns the string size. */ function unicodeSize(string) { var result = reUnicode.lastIndex = 0; while (reUnicode.test(string)) { ++result; } return result; } /** * Converts a Unicode `string` to an array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the converted array. */ function unicodeToArray(string) { return string.match(reUnicode) || []; } /** * Splits a Unicode `string` into an array of its words. * * @private * @param {string} The string to inspect. * @returns {Array} Returns the words of `string`. */ function unicodeWords(string) { return string.match(reUnicodeWord) || []; } /*--------------------------------------------------------------------------*/ /** * Create a new pristine `lodash` function using the `context` object. * * @static * @memberOf _ * @since 1.1.0 * @category Util * @param {Object} [context=root] The context object. * @returns {Function} Returns a new `lodash` function. * @example * * _.mixin({ 'foo': _.constant('foo') }); * * var lodash = _.runInContext(); * lodash.mixin({ 'bar': lodash.constant('bar') }); * * _.isFunction(_.foo); * // => true * _.isFunction(_.bar); * // => false * * lodash.isFunction(lodash.foo); * // => false * lodash.isFunction(lodash.bar); * // => true * * // Create a suped-up `defer` in Node.js. * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer; */ var runInContext = (function runInContext(context) { context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps)); /** Built-in constructor references. */ var Array = context.Array, Date = context.Date, Error = context.Error, Function = context.Function, Math = context.Math, Object = context.Object, RegExp = context.RegExp, String = context.String, TypeError = context.TypeError; /** Used for built-in method references. */ var arrayProto = Array.prototype, funcProto = Function.prototype, objectProto = Object.prototype; /** Used to detect overreaching core-js shims. */ var coreJsData = context['__core-js_shared__']; /** Used to resolve the decompiled source of functions. */ var funcToString = funcProto.toString; /** Used to check objects for own properties. */ var hasOwnProperty = objectProto.hasOwnProperty; /** Used to generate unique IDs. */ var idCounter = 0; /** Used to detect methods masquerading as native. */ var maskSrcKey = (function() { var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || ''); return uid ? ('Symbol(src)_1.' + uid) : ''; }()); /** * Used to resolve the * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) * of values. */ var nativeObjectToString = objectProto.toString; /** Used to infer the `Object` constructor. */ var objectCtorString = funcToString.call(Object); /** Used to restore the original `_` reference in `_.noConflict`. */ var oldDash = root._; /** Used to detect if a method is native. */ var reIsNative = RegExp('^' + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' ); /** Built-in value references. */ var Buffer = moduleExports ? context.Buffer : undefined, Symbol = context.Symbol, Uint8Array = context.Uint8Array, allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined, getPrototype = overArg(Object.getPrototypeOf, Object), objectCreate = Object.create, propertyIsEnumerable = objectProto.propertyIsEnumerable, splice = arrayProto.splice, spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined, symIterator = Symbol ? Symbol.iterator : undefined, symToStringTag = Symbol ? Symbol.toStringTag : undefined; var defineProperty = (function() { try { var func = getNative(Object, 'defineProperty'); func({}, '', {}); return func; } catch (e) {} }()); /** Mocked built-ins. */ var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout, ctxNow = Date && Date.now !== root.Date.now && Date.now, ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout; /* Built-in method references for those with the same name as other `lodash` methods. */ var nativeCeil = Math.ceil, nativeFloor = Math.floor, nativeGetSymbols = Object.getOwnPropertySymbols, nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined, nativeIsFinite = context.isFinite, nativeJoin = arrayProto.join, nativeKeys = overArg(Object.keys, Object), nativeMax = Math.max, nativeMin = Math.min, nativeNow = Date.now, nativeParseInt = context.parseInt, nativeRandom = Math.random, nativeReverse = arrayProto.reverse; /* Built-in method references that are verified to be native. */ var DataView = getNative(context, 'DataView'), Map = getNative(context, 'Map'), Promise = getNative(context, 'Promise'), Set = getNative(context, 'Set'), WeakMap = getNative(context, 'WeakMap'), nativeCreate = getNative(Object, 'create'); /** Used to store function metadata. */ var metaMap = WeakMap && new WeakMap; /** Used to lookup unminified function names. */ var realNames = {}; /** Used to detect maps, sets, and weakmaps. */ var dataViewCtorString = toSource(DataView), mapCtorString = toSource(Map), promiseCtorString = toSource(Promise), setCtorString = toSource(Set), weakMapCtorString = toSource(WeakMap); /** Used to convert symbols to primitives and strings. */ var symbolProto = Symbol ? Symbol.prototype : undefined, symbolValueOf = symbolProto ? symbolProto.valueOf : undefined, symbolToString = symbolProto ? symbolProto.toString : undefined; /*------------------------------------------------------------------------*/ /** * Creates a `lodash` object which wraps `value` to enable implicit method * chain sequences. Methods that operate on and return arrays, collections, * and functions can be chained together. Methods that retrieve a single value * or may return a primitive value will automatically end the chain sequence * and return the unwrapped value. Otherwise, the value must be unwrapped * with `_#value`. * * Explicit chain sequences, which must be unwrapped with `_#value`, may be * enabled using `_.chain`. * * The execution of chained methods is lazy, that is, it's deferred until * `_#value` is implicitly or explicitly called. * * Lazy evaluation allows several methods to support shortcut fusion. * Shortcut fusion is an optimization to merge iteratee calls; this avoids * the creation of intermediate arrays and can greatly reduce the number of * iteratee executions. Sections of a chain sequence qualify for shortcut * fusion if the section is applied to an array and iteratees accept only * one argument. The heuristic for whether a section qualifies for shortcut * fusion is subject to change. * * Chaining is supported in custom builds as long as the `_#value` method is * directly or indirectly included in the build. * * In addition to lodash methods, wrappers have `Array` and `String` methods. * * The wrapper `Array` methods are: * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift` * * The wrapper `String` methods are: * `replace` and `split` * * The wrapper methods that support shortcut fusion are: * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`, * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`, * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray` * * The chainable wrapper methods are: * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`, * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`, * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`, * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`, * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`, * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`, * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`, * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`, * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`, * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`, * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`, * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`, * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`, * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`, * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`, * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`, * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`, * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`, * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`, * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`, * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`, * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`, * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`, * `zipObject`, `zipObjectDeep`, and `zipWith` * * The wrapper methods that are **not** chainable by default are: * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`, * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`, * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`, * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`, * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`, * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`, * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`, * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`, * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`, * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`, * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`, * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`, * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`, * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`, * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`, * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`, * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`, * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`, * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`, * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`, * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`, * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`, * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`, * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`, * `upperFirst`, `value`, and `words` * * @name _ * @constructor * @category Seq * @param {*} value The value to wrap in a `lodash` instance. * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * function square(n) { * return n * n; * } * * var wrapped = _([1, 2, 3]); * * // Returns an unwrapped value. * wrapped.reduce(_.add); * // => 6 * * // Returns a wrapped value. * var squares = wrapped.map(square); * * _.isArray(squares); * // => false * * _.isArray(squares.value()); * // => true */ function lodash(value) { if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) { if (value instanceof LodashWrapper) { return value; } if (hasOwnProperty.call(value, '__wrapped__')) { return wrapperClone(value); } } return new LodashWrapper(value); } /** * The base implementation of `_.create` without support for assigning * properties to the created object. * * @private * @param {Object} proto The object to inherit from. * @returns {Object} Returns the new object. */ var baseCreate = (function() { function object() {} return function(proto) { if (!isObject(proto)) { return {}; } if (objectCreate) { return objectCreate(proto); } object.prototype = proto; var result = new object; object.prototype = undefined; return result; }; }()); /** * The function whose prototype chain sequence wrappers inherit from. * * @private */ function baseLodash() { // No operation performed. } /** * The base constructor for creating `lodash` wrapper objects. * * @private * @param {*} value The value to wrap. * @param {boolean} [chainAll] Enable explicit method chain sequences. */ function LodashWrapper(value, chainAll) { this.__wrapped__ = value; this.__actions__ = []; this.__chain__ = !!chainAll; this.__index__ = 0; this.__values__ = undefined; } /** * By default, the template delimiters used by lodash are like those in * embedded Ruby (ERB) as well as ES2015 template strings. Change the * following template settings to use alternative delimiters. * * @static * @memberOf _ * @type {Object} */ lodash.templateSettings = { /** * Used to detect `data` property values to be HTML-escaped. * * @memberOf _.templateSettings * @type {RegExp} */ 'escape': reEscape, /** * Used to detect code to be evaluated. * * @memberOf _.templateSettings * @type {RegExp} */ 'evaluate': reEvaluate, /** * Used to detect `data` property values to inject. * * @memberOf _.templateSettings * @type {RegExp} */ 'interpolate': reInterpolate, /** * Used to reference the data object in the template text. * * @memberOf _.templateSettings * @type {string} */ 'variable': '', /** * Used to import variables into the compiled template. * * @memberOf _.templateSettings * @type {Object} */ 'imports': { /** * A reference to the `lodash` function. * * @memberOf _.templateSettings.imports * @type {Function} */ '_': lodash } }; // Ensure wrappers are instances of `baseLodash`. lodash.prototype = baseLodash.prototype; lodash.prototype.constructor = lodash; LodashWrapper.prototype = baseCreate(baseLodash.prototype); LodashWrapper.prototype.constructor = LodashWrapper; /*------------------------------------------------------------------------*/ /** * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation. * * @private * @constructor * @param {*} value The value to wrap. */ function LazyWrapper(value) { this.__wrapped__ = value; this.__actions__ = []; this.__dir__ = 1; this.__filtered__ = false; this.__iteratees__ = []; this.__takeCount__ = MAX_ARRAY_LENGTH; this.__views__ = []; } /** * Creates a clone of the lazy wrapper object. * * @private * @name clone * @memberOf LazyWrapper * @returns {Object} Returns the cloned `LazyWrapper` object. */ function lazyClone() { var result = new LazyWrapper(this.__wrapped__); result.__actions__ = copyArray(this.__actions__); result.__dir__ = this.__dir__; result.__filtered__ = this.__filtered__; result.__iteratees__ = copyArray(this.__iteratees__); result.__takeCount__ = this.__takeCount__; result.__views__ = copyArray(this.__views__); return result; } /** * Reverses the direction of lazy iteration. * * @private * @name reverse * @memberOf LazyWrapper * @returns {Object} Returns the new reversed `LazyWrapper` object. */ function lazyReverse() { if (this.__filtered__) { var result = new LazyWrapper(this); result.__dir__ = -1; result.__filtered__ = true; } else { result = this.clone(); result.__dir__ *= -1; } return result; } /** * Extracts the unwrapped value from its lazy wrapper. * * @private * @name value * @memberOf LazyWrapper * @returns {*} Returns the unwrapped value. */ function lazyValue() { var array = this.__wrapped__.value(), dir = this.__dir__, isArr = isArray(array), isRight = dir < 0, arrLength = isArr ? array.length : 0, view = getView(0, arrLength, this.__views__), start = view.start, end = view.end, length = end - start, index = isRight ? end : (start - 1), iteratees = this.__iteratees__, iterLength = iteratees.length, resIndex = 0, takeCount = nativeMin(length, this.__takeCount__); if (!isArr || (!isRight && arrLength == length && takeCount == length)) { return baseWrapperValue(array, this.__actions__); } var result = []; outer: while (length-- && resIndex < takeCount) { index += dir; var iterIndex = -1, value = array[index]; while (++iterIndex < iterLength) { var data = iteratees[iterIndex], iteratee = data.iteratee, type = data.type, computed = iteratee(value); if (type == LAZY_MAP_FLAG) { value = computed; } else if (!computed) { if (type == LAZY_FILTER_FLAG) { continue outer; } else { break outer; } } } result[resIndex++] = value; } return result; } // Ensure `LazyWrapper` is an instance of `baseLodash`. LazyWrapper.prototype = baseCreate(baseLodash.prototype); LazyWrapper.prototype.constructor = LazyWrapper; /*------------------------------------------------------------------------*/ /** * Creates a hash object. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function Hash(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } /** * Removes all key-value entries from the hash. * * @private * @name clear * @memberOf Hash */ function hashClear() { this.__data__ = nativeCreate ? nativeCreate(null) : {}; this.size = 0; } /** * Removes `key` and its value from the hash. * * @private * @name delete * @memberOf Hash * @param {Object} hash The hash to modify. * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function hashDelete(key) { var result = this.has(key) && delete this.__data__[key]; this.size -= result ? 1 : 0; return result; } /** * Gets the hash value for `key`. * * @private * @name get * @memberOf Hash * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function hashGet(key) { var data = this.__data__; if (nativeCreate) { var result = data[key]; return result === HASH_UNDEFINED ? undefined : result; } return hasOwnProperty.call(data, key) ? data[key] : undefined; } /** * Checks if a hash value for `key` exists. * * @private * @name has * @memberOf Hash * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function hashHas(key) { var data = this.__data__; return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key); } /** * Sets the hash `key` to `value`. * * @private * @name set * @memberOf Hash * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the hash instance. */ function hashSet(key, value) { var data = this.__data__; this.size += this.has(key) ? 0 : 1; data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value; return this; } // Add methods to `Hash`. Hash.prototype.clear = hashClear; Hash.prototype['delete'] = hashDelete; Hash.prototype.get = hashGet; Hash.prototype.has = hashHas; Hash.prototype.set = hashSet; /*------------------------------------------------------------------------*/ /** * Creates an list cache object. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function ListCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } /** * Removes all key-value entries from the list cache. * * @private * @name clear * @memberOf ListCache */ function listCacheClear() { this.__data__ = []; this.size = 0; } /** * Removes `key` and its value from the list cache. * * @private * @name delete * @memberOf ListCache * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function listCacheDelete(key) { var data = this.__data__, index = assocIndexOf(data, key); if (index < 0) { return false; } var lastIndex = data.length - 1; if (index == lastIndex) { data.pop(); } else { splice.call(data, index, 1); } --this.size; return true; } /** * Gets the list cache value for `key`. * * @private * @name get * @memberOf ListCache * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function listCacheGet(key) { var data = this.__data__, index = assocIndexOf(data, key); return index < 0 ? undefined : data[index][1]; } /** * Checks if a list cache value for `key` exists. * * @private * @name has * @memberOf ListCache * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function listCacheHas(key) { return assocIndexOf(this.__data__, key) > -1; } /** * Sets the list cache `key` to `value`. * * @private * @name set * @memberOf ListCache * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the list cache instance. */ function listCacheSet(key, value) { var data = this.__data__, index = assocIndexOf(data, key); if (index < 0) { ++this.size; data.push([key, value]); } else { data[index][1] = value; } return this; } // Add methods to `ListCache`. ListCache.prototype.clear = listCacheClear; ListCache.prototype['delete'] = listCacheDelete; ListCache.prototype.get = listCacheGet; ListCache.prototype.has = listCacheHas; ListCache.prototype.set = listCacheSet; /*------------------------------------------------------------------------*/ /** * Creates a map cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function MapCache(entries) { var index = -1, length = entries == null ? 0 : entries.length; this.clear(); while (++index < length) { var entry = entries[index]; this.set(entry[0], entry[1]); } } /** * Removes all key-value entries from the map. * * @private * @name clear * @memberOf MapCache */ function mapCacheClear() { this.size = 0; this.__data__ = { 'hash': new Hash, 'map': new (Map || ListCache), 'string': new Hash }; } /** * Removes `key` and its value from the map. * * @private * @name delete * @memberOf MapCache * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function mapCacheDelete(key) { var result = getMapData(this, key)['delete'](key); this.size -= result ? 1 : 0; return result; } /** * Gets the map value for `key`. * * @private * @name get * @memberOf MapCache * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function mapCacheGet(key) { return getMapData(this, key).get(key); } /** * Checks if a map value for `key` exists. * * @private * @name has * @memberOf MapCache * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function mapCacheHas(key) { return getMapData(this, key).has(key); } /** * Sets the map `key` to `value`. * * @private * @name set * @memberOf MapCache * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the map cache instance. */ function mapCacheSet(key, value) { var data = getMapData(this, key), size = data.size; data.set(key, value); this.size += data.size == size ? 0 : 1; return this; } // Add methods to `MapCache`. MapCache.prototype.clear = mapCacheClear; MapCache.prototype['delete'] = mapCacheDelete; MapCache.prototype.get = mapCacheGet; MapCache.prototype.has = mapCacheHas; MapCache.prototype.set = mapCacheSet; /*------------------------------------------------------------------------*/ /** * * Creates an array cache object to store unique values. * * @private * @constructor * @param {Array} [values] The values to cache. */ function SetCache(values) { var index = -1, length = values == null ? 0 : values.length; this.__data__ = new MapCache; while (++index < length) { this.add(values[index]); } } /** * Adds `value` to the array cache. * * @private * @name add * @memberOf SetCache * @alias push * @param {*} value The value to cache. * @returns {Object} Returns the cache instance. */ function setCacheAdd(value) { this.__data__.set(value, HASH_UNDEFINED); return this; } /** * Checks if `value` is in the array cache. * * @private * @name has * @memberOf SetCache * @param {*} value The value to search for. * @returns {number} Returns `true` if `value` is found, else `false`. */ function setCacheHas(value) { return this.__data__.has(value); } // Add methods to `SetCache`. SetCache.prototype.add = SetCache.prototype.push = setCacheAdd; SetCache.prototype.has = setCacheHas; /*------------------------------------------------------------------------*/ /** * Creates a stack cache object to store key-value pairs. * * @private * @constructor * @param {Array} [entries] The key-value pairs to cache. */ function Stack(entries) { var data = this.__data__ = new ListCache(entries); this.size = data.size; } /** * Removes all key-value entries from the stack. * * @private * @name clear * @memberOf Stack */ function stackClear() { this.__data__ = new ListCache; this.size = 0; } /** * Removes `key` and its value from the stack. * * @private * @name delete * @memberOf Stack * @param {string} key The key of the value to remove. * @returns {boolean} Returns `true` if the entry was removed, else `false`. */ function stackDelete(key) { var data = this.__data__, result = data['delete'](key); this.size = data.size; return result; } /** * Gets the stack value for `key`. * * @private * @name get * @memberOf Stack * @param {string} key The key of the value to get. * @returns {*} Returns the entry value. */ function stackGet(key) { return this.__data__.get(key); } /** * Checks if a stack value for `key` exists. * * @private * @name has * @memberOf Stack * @param {string} key The key of the entry to check. * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. */ function stackHas(key) { return this.__data__.has(key); } /** * Sets the stack `key` to `value`. * * @private * @name set * @memberOf Stack * @param {string} key The key of the value to set. * @param {*} value The value to set. * @returns {Object} Returns the stack cache instance. */ function stackSet(key, value) { var data = this.__data__; if (data instanceof ListCache) { var pairs = data.__data__; if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) { pairs.push([key, value]); this.size = ++data.size; return this; } data = this.__data__ = new MapCache(pairs); } data.set(key, value); this.size = data.size; return this; } // Add methods to `Stack`. Stack.prototype.clear = stackClear; Stack.prototype['delete'] = stackDelete; Stack.prototype.get = stackGet; Stack.prototype.has = stackHas; Stack.prototype.set = stackSet; /*------------------------------------------------------------------------*/ /** * Creates an array of the enumerable property names of the array-like `value`. * * @private * @param {*} value The value to query. * @param {boolean} inherited Specify returning inherited property names. * @returns {Array} Returns the array of property names. */ function arrayLikeKeys(value, inherited) { var isArr = isArray(value), isArg = !isArr && isArguments(value), isBuff = !isArr && !isArg && isBuffer(value), isType = !isArr && !isArg && !isBuff && isTypedArray(value), skipIndexes = isArr || isArg || isBuff || isType, result = skipIndexes ? baseTimes(value.length, String) : [], length = result.length; for (var key in value) { if ((inherited || hasOwnProperty.call(value, key)) && !(skipIndexes && ( // Safari 9 has enumerable `arguments.length` in strict mode. key == 'length' || // Node.js 0.10 has enumerable non-index properties on buffers. (isBuff && (key == 'offset' || key == 'parent')) || // PhantomJS 2 has enumerable non-index properties on typed arrays. (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) || // Skip index properties. isIndex(key, length) ))) { result.push(key); } } return result; } /** * A specialized version of `_.sample` for arrays. * * @private * @param {Array} array The array to sample. * @returns {*} Returns the random element. */ function arraySample(array) { var length = array.length; return length ? array[baseRandom(0, length - 1)] : undefined; } /** * A specialized version of `_.sampleSize` for arrays. * * @private * @param {Array} array The array to sample. * @param {number} n The number of elements to sample. * @returns {Array} Returns the random elements. */ function arraySampleSize(array, n) { return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length)); } /** * A specialized version of `_.shuffle` for arrays. * * @private * @param {Array} array The array to shuffle. * @returns {Array} Returns the new shuffled array. */ function arrayShuffle(array) { return shuffleSelf(copyArray(array)); } /** * This function is like `assignValue` except that it doesn't assign * `undefined` values. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignMergeValue(object, key, value) { if ((value !== undefined && !eq(object[key], value)) || (value === undefined && !(key in object))) { baseAssignValue(object, key, value); } } /** * Assigns `value` to `key` of `object` if the existing value is not equivalent * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function assignValue(object, key, value) { var objValue = object[key]; if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || (value === undefined && !(key in object))) { baseAssignValue(object, key, value); } } /** * Gets the index at which the `key` is found in `array` of key-value pairs. * * @private * @param {Array} array The array to inspect. * @param {*} key The key to search for. * @returns {number} Returns the index of the matched value, else `-1`. */ function assocIndexOf(array, key) { var length = array.length; while (length--) { if (eq(array[length][0], key)) { return length; } } return -1; } /** * Aggregates elements of `collection` on `accumulator` with keys transformed * by `iteratee` and values set by `setter`. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} setter The function to set `accumulator` values. * @param {Function} iteratee The iteratee to transform keys. * @param {Object} accumulator The initial aggregated object. * @returns {Function} Returns `accumulator`. */ function baseAggregator(collection, setter, iteratee, accumulator) { baseEach(collection, function(value, key, collection) { setter(accumulator, value, iteratee(value), collection); }); return accumulator; } /** * The base implementation of `_.assign` without support for multiple sources * or `customizer` functions. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @returns {Object} Returns `object`. */ function baseAssign(object, source) { return object && copyObject(source, keys(source), object); } /** * The base implementation of `_.assignIn` without support for multiple sources * or `customizer` functions. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @returns {Object} Returns `object`. */ function baseAssignIn(object, source) { return object && copyObject(source, keysIn(source), object); } /** * The base implementation of `assignValue` and `assignMergeValue` without * value checks. * * @private * @param {Object} object The object to modify. * @param {string} key The key of the property to assign. * @param {*} value The value to assign. */ function baseAssignValue(object, key, value) { if (key == '__proto__' && defineProperty) { defineProperty(object, key, { 'configurable': true, 'enumerable': true, 'value': value, 'writable': true }); } else { object[key] = value; } } /** * The base implementation of `_.at` without support for individual paths. * * @private * @param {Object} object The object to iterate over. * @param {string[]} paths The property paths to pick. * @returns {Array} Returns the picked elements. */ function baseAt(object, paths) { var index = -1, length = paths.length, result = Array(length), skip = object == null; while (++index < length) { result[index] = skip ? undefined : get(object, paths[index]); } return result; } /** * The base implementation of `_.clamp` which doesn't coerce arguments. * * @private * @param {number} number The number to clamp. * @param {number} [lower] The lower bound. * @param {number} upper The upper bound. * @returns {number} Returns the clamped number. */ function baseClamp(number, lower, upper) { if (number === number) { if (upper !== undefined) { number = number <= upper ? number : upper; } if (lower !== undefined) { number = number >= lower ? number : lower; } } return number; } /** * The base implementation of `_.clone` and `_.cloneDeep` which tracks * traversed objects. * * @private * @param {*} value The value to clone. * @param {boolean} bitmask The bitmask flags. * 1 - Deep clone * 2 - Flatten inherited properties * 4 - Clone symbols * @param {Function} [customizer] The function to customize cloning. * @param {string} [key] The key of `value`. * @param {Object} [object] The parent object of `value`. * @param {Object} [stack] Tracks traversed objects and their clone counterparts. * @returns {*} Returns the cloned value. */ function baseClone(value, bitmask, customizer, key, object, stack) { var result, isDeep = bitmask & CLONE_DEEP_FLAG, isFlat = bitmask & CLONE_FLAT_FLAG, isFull = bitmask & CLONE_SYMBOLS_FLAG; if (customizer) { result = object ? customizer(value, key, object, stack) : customizer(value); } if (result !== undefined) { return result; } if (!isObject(value)) { return value; } var isArr = isArray(value); if (isArr) { result = initCloneArray(value); if (!isDeep) { return copyArray(value, result); } } else { var tag = getTag(value), isFunc = tag == funcTag || tag == genTag; if (isBuffer(value)) { return cloneBuffer(value, isDeep); } if (tag == objectTag || tag == argsTag || (isFunc && !object)) { result = (isFlat || isFunc) ? {} : initCloneObject(value); if (!isDeep) { return isFlat ? copySymbolsIn(value, baseAssignIn(result, value)) : copySymbols(value, baseAssign(result, value)); } } else { if (!cloneableTags[tag]) { return object ? value : {}; } result = initCloneByTag(value, tag, isDeep); } } // Check for circular references and return its corresponding clone. stack || (stack = new Stack); var stacked = stack.get(value); if (stacked) { return stacked; } stack.set(value, result); if (isSet(value)) { value.forEach(function(subValue) { result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack)); }); } else if (isMap(value)) { value.forEach(function(subValue, key) { result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack)); }); } var keysFunc = isFull ? (isFlat ? getAllKeysIn : getAllKeys) : (isFlat ? keysIn : keys); var props = isArr ? undefined : keysFunc(value); arrayEach(props || value, function(subValue, key) { if (props) { key = subValue; subValue = value[key]; } // Recursively populate clone (susceptible to call stack limits). assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack)); }); return result; } /** * The base implementation of `_.conforms` which doesn't clone `source`. * * @private * @param {Object} source The object of property predicates to conform to. * @returns {Function} Returns the new spec function. */ function baseConforms(source) { var props = keys(source); return function(object) { return baseConformsTo(object, source, props); }; } /** * The base implementation of `_.conformsTo` which accepts `props` to check. * * @private * @param {Object} object The object to inspect. * @param {Object} source The object of property predicates to conform to. * @returns {boolean} Returns `true` if `object` conforms, else `false`. */ function baseConformsTo(object, source, props) { var length = props.length; if (object == null) { return !length; } object = Object(object); while (length--) { var key = props[length], predicate = source[key], value = object[key]; if ((value === undefined && !(key in object)) || !predicate(value)) { return false; } } return true; } /** * The base implementation of `_.delay` and `_.defer` which accepts `args` * to provide to `func`. * * @private * @param {Function} func The function to delay. * @param {number} wait The number of milliseconds to delay invocation. * @param {Array} args The arguments to provide to `func`. * @returns {number|Object} Returns the timer id or timeout object. */ function baseDelay(func, wait, args) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } return setTimeout(function() { func.apply(undefined, args); }, wait); } /** * The base implementation of methods like `_.difference` without support * for excluding multiple arrays or iteratee shorthands. * * @private * @param {Array} array The array to inspect. * @param {Array} values The values to exclude. * @param {Function} [iteratee] The iteratee invoked per element. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of filtered values. */ function baseDifference(array, values, iteratee, comparator) { var index = -1, includes = arrayIncludes, isCommon = true, length = array.length, result = [], valuesLength = values.length; if (!length) { return result; } if (iteratee) { values = arrayMap(values, baseUnary(iteratee)); } if (comparator) { includes = arrayIncludesWith; isCommon = false; } else if (values.length >= LARGE_ARRAY_SIZE) { includes = cacheHas; isCommon = false; values = new SetCache(values); } outer: while (++index < length) { var value = array[index], computed = iteratee == null ? value : iteratee(value); value = (comparator || value !== 0) ? value : 0; if (isCommon && computed === computed) { var valuesIndex = valuesLength; while (valuesIndex--) { if (values[valuesIndex] === computed) { continue outer; } } result.push(value); } else if (!includes(values, computed, comparator)) { result.push(value); } } return result; } /** * The base implementation of `_.forEach` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array|Object} Returns `collection`. */ var baseEach = createBaseEach(baseForOwn); /** * The base implementation of `_.forEachRight` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array|Object} Returns `collection`. */ var baseEachRight = createBaseEach(baseForOwnRight, true); /** * The base implementation of `_.every` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if all elements pass the predicate check, * else `false` */ function baseEvery(collection, predicate) { var result = true; baseEach(collection, function(value, index, collection) { result = !!predicate(value, index, collection); return result; }); return result; } /** * The base implementation of methods like `_.max` and `_.min` which accepts a * `comparator` to determine the extremum value. * * @private * @param {Array} array The array to iterate over. * @param {Function} iteratee The iteratee invoked per iteration. * @param {Function} comparator The comparator used to compare values. * @returns {*} Returns the extremum value. */ function baseExtremum(array, iteratee, comparator) { var index = -1, length = array.length; while (++index < length) { var value = array[index], current = iteratee(value); if (current != null && (computed === undefined ? (current === current && !isSymbol(current)) : comparator(current, computed) )) { var computed = current, result = value; } } return result; } /** * The base implementation of `_.fill` without an iteratee call guard. * * @private * @param {Array} array The array to fill. * @param {*} value The value to fill `array` with. * @param {number} [start=0] The start position. * @param {number} [end=array.length] The end position. * @returns {Array} Returns `array`. */ function baseFill(array, value, start, end) { var length = array.length; start = toInteger(start); if (start < 0) { start = -start > length ? 0 : (length + start); } end = (end === undefined || end > length) ? length : toInteger(end); if (end < 0) { end += length; } end = start > end ? 0 : toLength(end); while (start < end) { array[start++] = value; } return array; } /** * The base implementation of `_.filter` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {Array} Returns the new filtered array. */ function baseFilter(collection, predicate) { var result = []; baseEach(collection, function(value, index, collection) { if (predicate(value, index, collection)) { result.push(value); } }); return result; } /** * The base implementation of `_.flatten` with support for restricting flattening. * * @private * @param {Array} array The array to flatten. * @param {number} depth The maximum recursion depth. * @param {boolean} [predicate=isFlattenable] The function invoked per iteration. * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks. * @param {Array} [result=[]] The initial result value. * @returns {Array} Returns the new flattened array. */ function baseFlatten(array, depth, predicate, isStrict, result) { var index = -1, length = array.length; predicate || (predicate = isFlattenable); result || (result = []); while (++index < length) { var value = array[index]; if (depth > 0 && predicate(value)) { if (depth > 1) { // Recursively flatten arrays (susceptible to call stack limits). baseFlatten(value, depth - 1, predicate, isStrict, result); } else { arrayPush(result, value); } } else if (!isStrict) { result[result.length] = value; } } return result; } /** * The base implementation of `baseForOwn` which iterates over `object` * properties returned by `keysFunc` and invokes `iteratee` for each property. * Iteratee functions may exit iteration early by explicitly returning `false`. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {Function} keysFunc The function to get the keys of `object`. * @returns {Object} Returns `object`. */ var baseFor = createBaseFor(); /** * This function is like `baseFor` except that it iterates over properties * in the opposite order. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @param {Function} keysFunc The function to get the keys of `object`. * @returns {Object} Returns `object`. */ var baseForRight = createBaseFor(true); /** * The base implementation of `_.forOwn` without support for iteratee shorthands. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Object} Returns `object`. */ function baseForOwn(object, iteratee) { return object && baseFor(object, iteratee, keys); } /** * The base implementation of `_.forOwnRight` without support for iteratee shorthands. * * @private * @param {Object} object The object to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Object} Returns `object`. */ function baseForOwnRight(object, iteratee) { return object && baseForRight(object, iteratee, keys); } /** * The base implementation of `_.functions` which creates an array of * `object` function property names filtered from `props`. * * @private * @param {Object} object The object to inspect. * @param {Array} props The property names to filter. * @returns {Array} Returns the function names. */ function baseFunctions(object, props) { return arrayFilter(props, function(key) { return isFunction(object[key]); }); } /** * The base implementation of `_.get` without support for default values. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @returns {*} Returns the resolved value. */ function baseGet(object, path) { path = castPath(path, object); var index = 0, length = path.length; while (object != null && index < length) { object = object[toKey(path[index++])]; } return (index && index == length) ? object : undefined; } /** * The base implementation of `getAllKeys` and `getAllKeysIn` which uses * `keysFunc` and `symbolsFunc` to get the enumerable property names and * symbols of `object`. * * @private * @param {Object} object The object to query. * @param {Function} keysFunc The function to get the keys of `object`. * @param {Function} symbolsFunc The function to get the symbols of `object`. * @returns {Array} Returns the array of property names and symbols. */ function baseGetAllKeys(object, keysFunc, symbolsFunc) { var result = keysFunc(object); return isArray(object) ? result : arrayPush(result, symbolsFunc(object)); } /** * The base implementation of `getTag` without fallbacks for buggy environments. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ function baseGetTag(value) { if (value == null) { return value === undefined ? undefinedTag : nullTag; } return (symToStringTag && symToStringTag in Object(value)) ? getRawTag(value) : objectToString(value); } /** * The base implementation of `_.gt` which doesn't coerce arguments. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if `value` is greater than `other`, * else `false`. */ function baseGt(value, other) { return value > other; } /** * The base implementation of `_.has` without support for deep paths. * * @private * @param {Object} [object] The object to query. * @param {Array|string} key The key to check. * @returns {boolean} Returns `true` if `key` exists, else `false`. */ function baseHas(object, key) { return object != null && hasOwnProperty.call(object, key); } /** * The base implementation of `_.hasIn` without support for deep paths. * * @private * @param {Object} [object] The object to query. * @param {Array|string} key The key to check. * @returns {boolean} Returns `true` if `key` exists, else `false`. */ function baseHasIn(object, key) { return object != null && key in Object(object); } /** * The base implementation of `_.inRange` which doesn't coerce arguments. * * @private * @param {number} number The number to check. * @param {number} start The start of the range. * @param {number} end The end of the range. * @returns {boolean} Returns `true` if `number` is in the range, else `false`. */ function baseInRange(number, start, end) { return number >= nativeMin(start, end) && number < nativeMax(start, end); } /** * The base implementation of methods like `_.intersection`, without support * for iteratee shorthands, that accepts an array of arrays to inspect. * * @private * @param {Array} arrays The arrays to inspect. * @param {Function} [iteratee] The iteratee invoked per element. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of shared values. */ function baseIntersection(arrays, iteratee, comparator) { var includes = comparator ? arrayIncludesWith : arrayIncludes, length = arrays[0].length, othLength = arrays.length, othIndex = othLength, caches = Array(othLength), maxLength = Infinity, result = []; while (othIndex--) { var array = arrays[othIndex]; if (othIndex && iteratee) { array = arrayMap(array, baseUnary(iteratee)); } maxLength = nativeMin(array.length, maxLength); caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120)) ? new SetCache(othIndex && array) : undefined; } array = arrays[0]; var index = -1, seen = caches[0]; outer: while (++index < length && result.length < maxLength) { var value = array[index], computed = iteratee ? iteratee(value) : value; value = (comparator || value !== 0) ? value : 0; if (!(seen ? cacheHas(seen, computed) : includes(result, computed, comparator) )) { othIndex = othLength; while (--othIndex) { var cache = caches[othIndex]; if (!(cache ? cacheHas(cache, computed) : includes(arrays[othIndex], computed, comparator)) ) { continue outer; } } if (seen) { seen.push(computed); } result.push(value); } } return result; } /** * The base implementation of `_.invert` and `_.invertBy` which inverts * `object` with values transformed by `iteratee` and set by `setter`. * * @private * @param {Object} object The object to iterate over. * @param {Function} setter The function to set `accumulator` values. * @param {Function} iteratee The iteratee to transform values. * @param {Object} accumulator The initial inverted object. * @returns {Function} Returns `accumulator`. */ function baseInverter(object, setter, iteratee, accumulator) { baseForOwn(object, function(value, key, object) { setter(accumulator, iteratee(value), key, object); }); return accumulator; } /** * The base implementation of `_.invoke` without support for individual * method arguments. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path of the method to invoke. * @param {Array} args The arguments to invoke the method with. * @returns {*} Returns the result of the invoked method. */ function baseInvoke(object, path, args) { path = castPath(path, object); object = parent(object, path); var func = object == null ? object : object[toKey(last(path))]; return func == null ? undefined : apply(func, object, args); } /** * The base implementation of `_.isArguments`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an `arguments` object, */ function baseIsArguments(value) { return isObjectLike(value) && baseGetTag(value) == argsTag; } /** * The base implementation of `_.isArrayBuffer` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`. */ function baseIsArrayBuffer(value) { return isObjectLike(value) && baseGetTag(value) == arrayBufferTag; } /** * The base implementation of `_.isDate` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a date object, else `false`. */ function baseIsDate(value) { return isObjectLike(value) && baseGetTag(value) == dateTag; } /** * The base implementation of `_.isEqual` which supports partial comparisons * and tracks traversed objects. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @param {boolean} bitmask The bitmask flags. * 1 - Unordered comparison * 2 - Partial comparison * @param {Function} [customizer] The function to customize comparisons. * @param {Object} [stack] Tracks traversed `value` and `other` objects. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. */ function baseIsEqual(value, other, bitmask, customizer, stack) { if (value === other) { return true; } if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) { return value !== value && other !== other; } return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack); } /** * A specialized version of `baseIsEqual` for arrays and objects which performs * deep comparisons and tracks traversed objects enabling objects with circular * references to be compared. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} [stack] Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) { var objIsArr = isArray(object), othIsArr = isArray(other), objTag = objIsArr ? arrayTag : getTag(object), othTag = othIsArr ? arrayTag : getTag(other); objTag = objTag == argsTag ? objectTag : objTag; othTag = othTag == argsTag ? objectTag : othTag; var objIsObj = objTag == objectTag, othIsObj = othTag == objectTag, isSameTag = objTag == othTag; if (isSameTag && isBuffer(object)) { if (!isBuffer(other)) { return false; } objIsArr = true; objIsObj = false; } if (isSameTag && !objIsObj) { stack || (stack = new Stack); return (objIsArr || isTypedArray(object)) ? equalArrays(object, other, bitmask, customizer, equalFunc, stack) : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack); } if (!(bitmask & COMPARE_PARTIAL_FLAG)) { var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'), othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__'); if (objIsWrapped || othIsWrapped) { var objUnwrapped = objIsWrapped ? object.value() : object, othUnwrapped = othIsWrapped ? other.value() : other; stack || (stack = new Stack); return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack); } } if (!isSameTag) { return false; } stack || (stack = new Stack); return equalObjects(object, other, bitmask, customizer, equalFunc, stack); } /** * The base implementation of `_.isMap` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a map, else `false`. */ function baseIsMap(value) { return isObjectLike(value) && getTag(value) == mapTag; } /** * The base implementation of `_.isMatch` without support for iteratee shorthands. * * @private * @param {Object} object The object to inspect. * @param {Object} source The object of property values to match. * @param {Array} matchData The property names, values, and compare flags to match. * @param {Function} [customizer] The function to customize comparisons. * @returns {boolean} Returns `true` if `object` is a match, else `false`. */ function baseIsMatch(object, source, matchData, customizer) { var index = matchData.length, length = index, noCustomizer = !customizer; if (object == null) { return !length; } object = Object(object); while (index--) { var data = matchData[index]; if ((noCustomizer && data[2]) ? data[1] !== object[data[0]] : !(data[0] in object) ) { return false; } } while (++index < length) { data = matchData[index]; var key = data[0], objValue = object[key], srcValue = data[1]; if (noCustomizer && data[2]) { if (objValue === undefined && !(key in object)) { return false; } } else { var stack = new Stack; if (customizer) { var result = customizer(objValue, srcValue, key, object, source, stack); } if (!(result === undefined ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack) : result )) { return false; } } } return true; } /** * The base implementation of `_.isNative` without bad shim checks. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a native function, * else `false`. */ function baseIsNative(value) { if (!isObject(value) || isMasked(value)) { return false; } var pattern = isFunction(value) ? reIsNative : reIsHostCtor; return pattern.test(toSource(value)); } /** * The base implementation of `_.isRegExp` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a regexp, else `false`. */ function baseIsRegExp(value) { return isObjectLike(value) && baseGetTag(value) == regexpTag; } /** * The base implementation of `_.isSet` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a set, else `false`. */ function baseIsSet(value) { return isObjectLike(value) && getTag(value) == setTag; } /** * The base implementation of `_.isTypedArray` without Node.js optimizations. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. */ function baseIsTypedArray(value) { return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[baseGetTag(value)]; } /** * The base implementation of `_.iteratee`. * * @private * @param {*} [value=_.identity] The value to convert to an iteratee. * @returns {Function} Returns the iteratee. */ function baseIteratee(value) { // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9. // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details. if (typeof value == 'function') { return value; } if (value == null) { return identity; } if (typeof value == 'object') { return isArray(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value); } return property(value); } /** * The base implementation of `_.keys` which doesn't treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeys(object) { if (!isPrototype(object)) { return nativeKeys(object); } var result = []; for (var key in Object(object)) { if (hasOwnProperty.call(object, key) && key != 'constructor') { result.push(key); } } return result; } /** * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function baseKeysIn(object) { if (!isObject(object)) { return nativeKeysIn(object); } var isProto = isPrototype(object), result = []; for (var key in object) { if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { result.push(key); } } return result; } /** * The base implementation of `_.lt` which doesn't coerce arguments. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if `value` is less than `other`, * else `false`. */ function baseLt(value, other) { return value < other; } /** * The base implementation of `_.map` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} iteratee The function invoked per iteration. * @returns {Array} Returns the new mapped array. */ function baseMap(collection, iteratee) { var index = -1, result = isArrayLike(collection) ? Array(collection.length) : []; baseEach(collection, function(value, key, collection) { result[++index] = iteratee(value, key, collection); }); return result; } /** * The base implementation of `_.matches` which doesn't clone `source`. * * @private * @param {Object} source The object of property values to match. * @returns {Function} Returns the new spec function. */ function baseMatches(source) { var matchData = getMatchData(source); if (matchData.length == 1 && matchData[0][2]) { return matchesStrictComparable(matchData[0][0], matchData[0][1]); } return function(object) { return object === source || baseIsMatch(object, source, matchData); }; } /** * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`. * * @private * @param {string} path The path of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new spec function. */ function baseMatchesProperty(path, srcValue) { if (isKey(path) && isStrictComparable(srcValue)) { return matchesStrictComparable(toKey(path), srcValue); } return function(object) { var objValue = get(object, path); return (objValue === undefined && objValue === srcValue) ? hasIn(object, path) : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG); }; } /** * The base implementation of `_.merge` without support for multiple sources. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {number} srcIndex The index of `source`. * @param {Function} [customizer] The function to customize merged values. * @param {Object} [stack] Tracks traversed source values and their merged * counterparts. */ function baseMerge(object, source, srcIndex, customizer, stack) { if (object === source) { return; } baseFor(source, function(srcValue, key) { stack || (stack = new Stack); if (isObject(srcValue)) { baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack); } else { var newValue = customizer ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack) : undefined; if (newValue === undefined) { newValue = srcValue; } assignMergeValue(object, key, newValue); } }, keysIn); } /** * A specialized version of `baseMerge` for arrays and objects which performs * deep merges and tracks traversed objects enabling objects with circular * references to be merged. * * @private * @param {Object} object The destination object. * @param {Object} source The source object. * @param {string} key The key of the value to merge. * @param {number} srcIndex The index of `source`. * @param {Function} mergeFunc The function to merge values. * @param {Function} [customizer] The function to customize assigned values. * @param {Object} [stack] Tracks traversed source values and their merged * counterparts. */ function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) { var objValue = safeGet(object, key), srcValue = safeGet(source, key), stacked = stack.get(srcValue); if (stacked) { assignMergeValue(object, key, stacked); return; } var newValue = customizer ? customizer(objValue, srcValue, (key + ''), object, source, stack) : undefined; var isCommon = newValue === undefined; if (isCommon) { var isArr = isArray(srcValue), isBuff = !isArr && isBuffer(srcValue), isTyped = !isArr && !isBuff && isTypedArray(srcValue); newValue = srcValue; if (isArr || isBuff || isTyped) { if (isArray(objValue)) { newValue = objValue; } else if (isArrayLikeObject(objValue)) { newValue = copyArray(objValue); } else if (isBuff) { isCommon = false; newValue = cloneBuffer(srcValue, true); } else if (isTyped) { isCommon = false; newValue = cloneTypedArray(srcValue, true); } else { newValue = []; } } else if (isPlainObject(srcValue) || isArguments(srcValue)) { newValue = objValue; if (isArguments(objValue)) { newValue = toPlainObject(objValue); } else if (!isObject(objValue) || isFunction(objValue)) { newValue = initCloneObject(srcValue); } } else { isCommon = false; } } if (isCommon) { // Recursively merge objects and arrays (susceptible to call stack limits). stack.set(srcValue, newValue); mergeFunc(newValue, srcValue, srcIndex, customizer, stack); stack['delete'](srcValue); } assignMergeValue(object, key, newValue); } /** * The base implementation of `_.nth` which doesn't coerce arguments. * * @private * @param {Array} array The array to query. * @param {number} n The index of the element to return. * @returns {*} Returns the nth element of `array`. */ function baseNth(array, n) { var length = array.length; if (!length) { return; } n += n < 0 ? length : 0; return isIndex(n, length) ? array[n] : undefined; } /** * The base implementation of `_.orderBy` without param guards. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by. * @param {string[]} orders The sort orders of `iteratees`. * @returns {Array} Returns the new sorted array. */ function baseOrderBy(collection, iteratees, orders) { if (iteratees.length) { iteratees = arrayMap(iteratees, function(iteratee) { if (isArray(iteratee)) { return function(value) { return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee); } } return iteratee; }); } else { iteratees = [identity]; } var index = -1; iteratees = arrayMap(iteratees, baseUnary(getIteratee())); var result = baseMap(collection, function(value, key, collection) { var criteria = arrayMap(iteratees, function(iteratee) { return iteratee(value); }); return { 'criteria': criteria, 'index': ++index, 'value': value }; }); return baseSortBy(result, function(object, other) { return compareMultiple(object, other, orders); }); } /** * The base implementation of `_.pick` without support for individual * property identifiers. * * @private * @param {Object} object The source object. * @param {string[]} paths The property paths to pick. * @returns {Object} Returns the new object. */ function basePick(object, paths) { return basePickBy(object, paths, function(value, path) { return hasIn(object, path); }); } /** * The base implementation of `_.pickBy` without support for iteratee shorthands. * * @private * @param {Object} object The source object. * @param {string[]} paths The property paths to pick. * @param {Function} predicate The function invoked per property. * @returns {Object} Returns the new object. */ function basePickBy(object, paths, predicate) { var index = -1, length = paths.length, result = {}; while (++index < length) { var path = paths[index], value = baseGet(object, path); if (predicate(value, path)) { baseSet(result, castPath(path, object), value); } } return result; } /** * A specialized version of `baseProperty` which supports deep paths. * * @private * @param {Array|string} path The path of the property to get. * @returns {Function} Returns the new accessor function. */ function basePropertyDeep(path) { return function(object) { return baseGet(object, path); }; } /** * The base implementation of `_.pullAllBy` without support for iteratee * shorthands. * * @private * @param {Array} array The array to modify. * @param {Array} values The values to remove. * @param {Function} [iteratee] The iteratee invoked per element. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns `array`. */ function basePullAll(array, values, iteratee, comparator) { var indexOf = comparator ? baseIndexOfWith : baseIndexOf, index = -1, length = values.length, seen = array; if (array === values) { values = copyArray(values); } if (iteratee) { seen = arrayMap(array, baseUnary(iteratee)); } while (++index < length) { var fromIndex = 0, value = values[index], computed = iteratee ? iteratee(value) : value; while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) { if (seen !== array) { splice.call(seen, fromIndex, 1); } splice.call(array, fromIndex, 1); } } return array; } /** * The base implementation of `_.pullAt` without support for individual * indexes or capturing the removed elements. * * @private * @param {Array} array The array to modify. * @param {number[]} indexes The indexes of elements to remove. * @returns {Array} Returns `array`. */ function basePullAt(array, indexes) { var length = array ? indexes.length : 0, lastIndex = length - 1; while (length--) { var index = indexes[length]; if (length == lastIndex || index !== previous) { var previous = index; if (isIndex(index)) { splice.call(array, index, 1); } else { baseUnset(array, index); } } } return array; } /** * The base implementation of `_.random` without support for returning * floating-point numbers. * * @private * @param {number} lower The lower bound. * @param {number} upper The upper bound. * @returns {number} Returns the random number. */ function baseRandom(lower, upper) { return lower + nativeFloor(nativeRandom() * (upper - lower + 1)); } /** * The base implementation of `_.range` and `_.rangeRight` which doesn't * coerce arguments. * * @private * @param {number} start The start of the range. * @param {number} end The end of the range. * @param {number} step The value to increment or decrement by. * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Array} Returns the range of numbers. */ function baseRange(start, end, step, fromRight) { var index = -1, length = nativeMax(nativeCeil((end - start) / (step || 1)), 0), result = Array(length); while (length--) { result[fromRight ? length : ++index] = start; start += step; } return result; } /** * The base implementation of `_.repeat` which doesn't coerce arguments. * * @private * @param {string} string The string to repeat. * @param {number} n The number of times to repeat the string. * @returns {string} Returns the repeated string. */ function baseRepeat(string, n) { var result = ''; if (!string || n < 1 || n > MAX_SAFE_INTEGER) { return result; } // Leverage the exponentiation by squaring algorithm for a faster repeat. // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details. do { if (n % 2) { result += string; } n = nativeFloor(n / 2); if (n) { string += string; } } while (n); return result; } /** * The base implementation of `_.rest` which doesn't validate or coerce arguments. * * @private * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @returns {Function} Returns the new function. */ function baseRest(func, start) { return setToString(overRest(func, start, identity), func + ''); } /** * The base implementation of `_.sample`. * * @private * @param {Array|Object} collection The collection to sample. * @returns {*} Returns the random element. */ function baseSample(collection) { return arraySample(values(collection)); } /** * The base implementation of `_.sampleSize` without param guards. * * @private * @param {Array|Object} collection The collection to sample. * @param {number} n The number of elements to sample. * @returns {Array} Returns the random elements. */ function baseSampleSize(collection, n) { var array = values(collection); return shuffleSelf(array, baseClamp(n, 0, array.length)); } /** * The base implementation of `_.set`. * * @private * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to set. * @param {*} value The value to set. * @param {Function} [customizer] The function to customize path creation. * @returns {Object} Returns `object`. */ function baseSet(object, path, value, customizer) { if (!isObject(object)) { return object; } path = castPath(path, object); var index = -1, length = path.length, lastIndex = length - 1, nested = object; while (nested != null && ++index < length) { var key = toKey(path[index]), newValue = value; if (key === '__proto__' || key === 'constructor' || key === 'prototype') { return object; } if (index != lastIndex) { var objValue = nested[key]; newValue = customizer ? customizer(objValue, key, nested) : undefined; if (newValue === undefined) { newValue = isObject(objValue) ? objValue : (isIndex(path[index + 1]) ? [] : {}); } } assignValue(nested, key, newValue); nested = nested[key]; } return object; } /** * The base implementation of `setData` without support for hot loop shorting. * * @private * @param {Function} func The function to associate metadata with. * @param {*} data The metadata. * @returns {Function} Returns `func`. */ var baseSetData = !metaMap ? identity : function(func, data) { metaMap.set(func, data); return func; }; /** * The base implementation of `setToString` without support for hot loop shorting. * * @private * @param {Function} func The function to modify. * @param {Function} string The `toString` result. * @returns {Function} Returns `func`. */ var baseSetToString = !defineProperty ? identity : function(func, string) { return defineProperty(func, 'toString', { 'configurable': true, 'enumerable': false, 'value': constant(string), 'writable': true }); }; /** * The base implementation of `_.shuffle`. * * @private * @param {Array|Object} collection The collection to shuffle. * @returns {Array} Returns the new shuffled array. */ function baseShuffle(collection) { return shuffleSelf(values(collection)); } /** * The base implementation of `_.slice` without an iteratee call guard. * * @private * @param {Array} array The array to slice. * @param {number} [start=0] The start position. * @param {number} [end=array.length] The end position. * @returns {Array} Returns the slice of `array`. */ function baseSlice(array, start, end) { var index = -1, length = array.length; if (start < 0) { start = -start > length ? 0 : (length + start); } end = end > length ? length : end; if (end < 0) { end += length; } length = start > end ? 0 : ((end - start) >>> 0); start >>>= 0; var result = Array(length); while (++index < length) { result[index] = array[index + start]; } return result; } /** * The base implementation of `_.some` without support for iteratee shorthands. * * @private * @param {Array|Object} collection The collection to iterate over. * @param {Function} predicate The function invoked per iteration. * @returns {boolean} Returns `true` if any element passes the predicate check, * else `false`. */ function baseSome(collection, predicate) { var result; baseEach(collection, function(value, index, collection) { result = predicate(value, index, collection); return !result; }); return !!result; } /** * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which * performs a binary search of `array` to determine the index at which `value` * should be inserted into `array` in order to maintain its sort order. * * @private * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @param {boolean} [retHighest] Specify returning the highest qualified index. * @returns {number} Returns the index at which `value` should be inserted * into `array`. */ function baseSortedIndex(array, value, retHighest) { var low = 0, high = array == null ? low : array.length; if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) { while (low < high) { var mid = (low + high) >>> 1, computed = array[mid]; if (computed !== null && !isSymbol(computed) && (retHighest ? (computed <= value) : (computed < value))) { low = mid + 1; } else { high = mid; } } return high; } return baseSortedIndexBy(array, value, identity, retHighest); } /** * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy` * which invokes `iteratee` for `value` and each element of `array` to compute * their sort ranking. The iteratee is invoked with one argument; (value). * * @private * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @param {Function} iteratee The iteratee invoked per element. * @param {boolean} [retHighest] Specify returning the highest qualified index. * @returns {number} Returns the index at which `value` should be inserted * into `array`. */ function baseSortedIndexBy(array, value, iteratee, retHighest) { var low = 0, high = array == null ? 0 : array.length; if (high === 0) { return 0; } value = iteratee(value); var valIsNaN = value !== value, valIsNull = value === null, valIsSymbol = isSymbol(value), valIsUndefined = value === undefined; while (low < high) { var mid = nativeFloor((low + high) / 2), computed = iteratee(array[mid]), othIsDefined = computed !== undefined, othIsNull = computed === null, othIsReflexive = computed === computed, othIsSymbol = isSymbol(computed); if (valIsNaN) { var setLow = retHighest || othIsReflexive; } else if (valIsUndefined) { setLow = othIsReflexive && (retHighest || othIsDefined); } else if (valIsNull) { setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull); } else if (valIsSymbol) { setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol); } else if (othIsNull || othIsSymbol) { setLow = false; } else { setLow = retHighest ? (computed <= value) : (computed < value); } if (setLow) { low = mid + 1; } else { high = mid; } } return nativeMin(high, MAX_ARRAY_INDEX); } /** * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without * support for iteratee shorthands. * * @private * @param {Array} array The array to inspect. * @param {Function} [iteratee] The iteratee invoked per element. * @returns {Array} Returns the new duplicate free array. */ function baseSortedUniq(array, iteratee) { var index = -1, length = array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index], computed = iteratee ? iteratee(value) : value; if (!index || !eq(computed, seen)) { var seen = computed; result[resIndex++] = value === 0 ? 0 : value; } } return result; } /** * The base implementation of `_.toNumber` which doesn't ensure correct * conversions of binary, hexadecimal, or octal string values. * * @private * @param {*} value The value to process. * @returns {number} Returns the number. */ function baseToNumber(value) { if (typeof value == 'number') { return value; } if (isSymbol(value)) { return NAN; } return +value; } /** * The base implementation of `_.toString` which doesn't convert nullish * values to empty strings. * * @private * @param {*} value The value to process. * @returns {string} Returns the string. */ function baseToString(value) { // Exit early for strings to avoid a performance hit in some environments. if (typeof value == 'string') { return value; } if (isArray(value)) { // Recursively convert values (susceptible to call stack limits). return arrayMap(value, baseToString) + ''; } if (isSymbol(value)) { return symbolToString ? symbolToString.call(value) : ''; } var result = (value + ''); return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; } /** * The base implementation of `_.uniqBy` without support for iteratee shorthands. * * @private * @param {Array} array The array to inspect. * @param {Function} [iteratee] The iteratee invoked per element. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new duplicate free array. */ function baseUniq(array, iteratee, comparator) { var index = -1, includes = arrayIncludes, length = array.length, isCommon = true, result = [], seen = result; if (comparator) { isCommon = false; includes = arrayIncludesWith; } else if (length >= LARGE_ARRAY_SIZE) { var set = iteratee ? null : createSet(array); if (set) { return setToArray(set); } isCommon = false; includes = cacheHas; seen = new SetCache; } else { seen = iteratee ? [] : result; } outer: while (++index < length) { var value = array[index], computed = iteratee ? iteratee(value) : value; value = (comparator || value !== 0) ? value : 0; if (isCommon && computed === computed) { var seenIndex = seen.length; while (seenIndex--) { if (seen[seenIndex] === computed) { continue outer; } } if (iteratee) { seen.push(computed); } result.push(value); } else if (!includes(seen, computed, comparator)) { if (seen !== result) { seen.push(computed); } result.push(value); } } return result; } /** * The base implementation of `_.unset`. * * @private * @param {Object} object The object to modify. * @param {Array|string} path The property path to unset. * @returns {boolean} Returns `true` if the property is deleted, else `false`. */ function baseUnset(object, path) { path = castPath(path, object); object = parent(object, path); return object == null || delete object[toKey(last(path))]; } /** * The base implementation of `_.update`. * * @private * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to update. * @param {Function} updater The function to produce the updated value. * @param {Function} [customizer] The function to customize path creation. * @returns {Object} Returns `object`. */ function baseUpdate(object, path, updater, customizer) { return baseSet(object, path, updater(baseGet(object, path)), customizer); } /** * The base implementation of methods like `_.dropWhile` and `_.takeWhile` * without support for iteratee shorthands. * * @private * @param {Array} array The array to query. * @param {Function} predicate The function invoked per iteration. * @param {boolean} [isDrop] Specify dropping elements instead of taking them. * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Array} Returns the slice of `array`. */ function baseWhile(array, predicate, isDrop, fromRight) { var length = array.length, index = fromRight ? length : -1; while ((fromRight ? index-- : ++index < length) && predicate(array[index], index, array)) {} return isDrop ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length)) : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index)); } /** * The base implementation of `wrapperValue` which returns the result of * performing a sequence of actions on the unwrapped `value`, where each * successive action is supplied the return value of the previous. * * @private * @param {*} value The unwrapped value. * @param {Array} actions Actions to perform to resolve the unwrapped value. * @returns {*} Returns the resolved value. */ function baseWrapperValue(value, actions) { var result = value; if (result instanceof LazyWrapper) { result = result.value(); } return arrayReduce(actions, function(result, action) { return action.func.apply(action.thisArg, arrayPush([result], action.args)); }, result); } /** * The base implementation of methods like `_.xor`, without support for * iteratee shorthands, that accepts an array of arrays to inspect. * * @private * @param {Array} arrays The arrays to inspect. * @param {Function} [iteratee] The iteratee invoked per element. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of values. */ function baseXor(arrays, iteratee, comparator) { var length = arrays.length; if (length < 2) { return length ? baseUniq(arrays[0]) : []; } var index = -1, result = Array(length); while (++index < length) { var array = arrays[index], othIndex = -1; while (++othIndex < length) { if (othIndex != index) { result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator); } } } return baseUniq(baseFlatten(result, 1), iteratee, comparator); } /** * This base implementation of `_.zipObject` which assigns values using `assignFunc`. * * @private * @param {Array} props The property identifiers. * @param {Array} values The property values. * @param {Function} assignFunc The function to assign values. * @returns {Object} Returns the new object. */ function baseZipObject(props, values, assignFunc) { var index = -1, length = props.length, valsLength = values.length, result = {}; while (++index < length) { var value = index < valsLength ? values[index] : undefined; assignFunc(result, props[index], value); } return result; } /** * Casts `value` to an empty array if it's not an array like object. * * @private * @param {*} value The value to inspect. * @returns {Array|Object} Returns the cast array-like object. */ function castArrayLikeObject(value) { return isArrayLikeObject(value) ? value : []; } /** * Casts `value` to `identity` if it's not a function. * * @private * @param {*} value The value to inspect. * @returns {Function} Returns cast function. */ function castFunction(value) { return typeof value == 'function' ? value : identity; } /** * Casts `value` to a path array if it's not one. * * @private * @param {*} value The value to inspect. * @param {Object} [object] The object to query keys on. * @returns {Array} Returns the cast property path array. */ function castPath(value, object) { if (isArray(value)) { return value; } return isKey(value, object) ? [value] : stringToPath(toString(value)); } /** * A `baseRest` alias which can be replaced with `identity` by module * replacement plugins. * * @private * @type {Function} * @param {Function} func The function to apply a rest parameter to. * @returns {Function} Returns the new function. */ var castRest = baseRest; /** * Casts `array` to a slice if it's needed. * * @private * @param {Array} array The array to inspect. * @param {number} start The start position. * @param {number} [end=array.length] The end position. * @returns {Array} Returns the cast slice. */ function castSlice(array, start, end) { var length = array.length; end = end === undefined ? length : end; return (!start && end >= length) ? array : baseSlice(array, start, end); } /** * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout). * * @private * @param {number|Object} id The timer id or timeout object of the timer to clear. */ var clearTimeout = ctxClearTimeout || function(id) { return root.clearTimeout(id); }; /** * Creates a clone of `buffer`. * * @private * @param {Buffer} buffer The buffer to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Buffer} Returns the cloned buffer. */ function cloneBuffer(buffer, isDeep) { if (isDeep) { return buffer.slice(); } var length = buffer.length, result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length); buffer.copy(result); return result; } /** * Creates a clone of `arrayBuffer`. * * @private * @param {ArrayBuffer} arrayBuffer The array buffer to clone. * @returns {ArrayBuffer} Returns the cloned array buffer. */ function cloneArrayBuffer(arrayBuffer) { var result = new arrayBuffer.constructor(arrayBuffer.byteLength); new Uint8Array(result).set(new Uint8Array(arrayBuffer)); return result; } /** * Creates a clone of `dataView`. * * @private * @param {Object} dataView The data view to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Object} Returns the cloned data view. */ function cloneDataView(dataView, isDeep) { var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer; return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength); } /** * Creates a clone of `regexp`. * * @private * @param {Object} regexp The regexp to clone. * @returns {Object} Returns the cloned regexp. */ function cloneRegExp(regexp) { var result = new regexp.constructor(regexp.source, reFlags.exec(regexp)); result.lastIndex = regexp.lastIndex; return result; } /** * Creates a clone of the `symbol` object. * * @private * @param {Object} symbol The symbol object to clone. * @returns {Object} Returns the cloned symbol object. */ function cloneSymbol(symbol) { return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {}; } /** * Creates a clone of `typedArray`. * * @private * @param {Object} typedArray The typed array to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Object} Returns the cloned typed array. */ function cloneTypedArray(typedArray, isDeep) { var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer; return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length); } /** * Compares values to sort them in ascending order. * * @private * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {number} Returns the sort order indicator for `value`. */ function compareAscending(value, other) { if (value !== other) { var valIsDefined = value !== undefined, valIsNull = value === null, valIsReflexive = value === value, valIsSymbol = isSymbol(value); var othIsDefined = other !== undefined, othIsNull = other === null, othIsReflexive = other === other, othIsSymbol = isSymbol(other); if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) || (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) || (valIsNull && othIsDefined && othIsReflexive) || (!valIsDefined && othIsReflexive) || !valIsReflexive) { return 1; } if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) || (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) || (othIsNull && valIsDefined && valIsReflexive) || (!othIsDefined && valIsReflexive) || !othIsReflexive) { return -1; } } return 0; } /** * Used by `_.orderBy` to compare multiple properties of a value to another * and stable sort them. * * If `orders` is unspecified, all values are sorted in ascending order. Otherwise, * specify an order of "desc" for descending or "asc" for ascending sort order * of corresponding values. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {boolean[]|string[]} orders The order to sort by for each property. * @returns {number} Returns the sort order indicator for `object`. */ function compareMultiple(object, other, orders) { var index = -1, objCriteria = object.criteria, othCriteria = other.criteria, length = objCriteria.length, ordersLength = orders.length; while (++index < length) { var result = compareAscending(objCriteria[index], othCriteria[index]); if (result) { if (index >= ordersLength) { return result; } var order = orders[index]; return result * (order == 'desc' ? -1 : 1); } } // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications // that causes it, under certain circumstances, to provide the same value for // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247 // for more details. // // This also ensures a stable sort in V8 and other engines. // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details. return object.index - other.index; } /** * Creates an array that is the composition of partially applied arguments, * placeholders, and provided arguments into a single array of arguments. * * @private * @param {Array} args The provided arguments. * @param {Array} partials The arguments to prepend to those provided. * @param {Array} holders The `partials` placeholder indexes. * @params {boolean} [isCurried] Specify composing for a curried function. * @returns {Array} Returns the new array of composed arguments. */ function composeArgs(args, partials, holders, isCurried) { var argsIndex = -1, argsLength = args.length, holdersLength = holders.length, leftIndex = -1, leftLength = partials.length, rangeLength = nativeMax(argsLength - holdersLength, 0), result = Array(leftLength + rangeLength), isUncurried = !isCurried; while (++leftIndex < leftLength) { result[leftIndex] = partials[leftIndex]; } while (++argsIndex < holdersLength) { if (isUncurried || argsIndex < argsLength) { result[holders[argsIndex]] = args[argsIndex]; } } while (rangeLength--) { result[leftIndex++] = args[argsIndex++]; } return result; } /** * This function is like `composeArgs` except that the arguments composition * is tailored for `_.partialRight`. * * @private * @param {Array} args The provided arguments. * @param {Array} partials The arguments to append to those provided. * @param {Array} holders The `partials` placeholder indexes. * @params {boolean} [isCurried] Specify composing for a curried function. * @returns {Array} Returns the new array of composed arguments. */ function composeArgsRight(args, partials, holders, isCurried) { var argsIndex = -1, argsLength = args.length, holdersIndex = -1, holdersLength = holders.length, rightIndex = -1, rightLength = partials.length, rangeLength = nativeMax(argsLength - holdersLength, 0), result = Array(rangeLength + rightLength), isUncurried = !isCurried; while (++argsIndex < rangeLength) { result[argsIndex] = args[argsIndex]; } var offset = argsIndex; while (++rightIndex < rightLength) { result[offset + rightIndex] = partials[rightIndex]; } while (++holdersIndex < holdersLength) { if (isUncurried || argsIndex < argsLength) { result[offset + holders[holdersIndex]] = args[argsIndex++]; } } return result; } /** * Copies the values of `source` to `array`. * * @private * @param {Array} source The array to copy values from. * @param {Array} [array=[]] The array to copy values to. * @returns {Array} Returns `array`. */ function copyArray(source, array) { var index = -1, length = source.length; array || (array = Array(length)); while (++index < length) { array[index] = source[index]; } return array; } /** * Copies properties of `source` to `object`. * * @private * @param {Object} source The object to copy properties from. * @param {Array} props The property identifiers to copy. * @param {Object} [object={}] The object to copy properties to. * @param {Function} [customizer] The function to customize copied values. * @returns {Object} Returns `object`. */ function copyObject(source, props, object, customizer) { var isNew = !object; object || (object = {}); var index = -1, length = props.length; while (++index < length) { var key = props[index]; var newValue = customizer ? customizer(object[key], source[key], key, object, source) : undefined; if (newValue === undefined) { newValue = source[key]; } if (isNew) { baseAssignValue(object, key, newValue); } else { assignValue(object, key, newValue); } } return object; } /** * Copies own symbols of `source` to `object`. * * @private * @param {Object} source The object to copy symbols from. * @param {Object} [object={}] The object to copy symbols to. * @returns {Object} Returns `object`. */ function copySymbols(source, object) { return copyObject(source, getSymbols(source), object); } /** * Copies own and inherited symbols of `source` to `object`. * * @private * @param {Object} source The object to copy symbols from. * @param {Object} [object={}] The object to copy symbols to. * @returns {Object} Returns `object`. */ function copySymbolsIn(source, object) { return copyObject(source, getSymbolsIn(source), object); } /** * Creates a function like `_.groupBy`. * * @private * @param {Function} setter The function to set accumulator values. * @param {Function} [initializer] The accumulator object initializer. * @returns {Function} Returns the new aggregator function. */ function createAggregator(setter, initializer) { return function(collection, iteratee) { var func = isArray(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {}; return func(collection, setter, getIteratee(iteratee, 2), accumulator); }; } /** * Creates a function like `_.assign`. * * @private * @param {Function} assigner The function to assign values. * @returns {Function} Returns the new assigner function. */ function createAssigner(assigner) { return baseRest(function(object, sources) { var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined, guard = length > 2 ? sources[2] : undefined; customizer = (assigner.length > 3 && typeof customizer == 'function') ? (length--, customizer) : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { customizer = length < 3 ? undefined : customizer; length = 1; } object = Object(object); while (++index < length) { var source = sources[index]; if (source) { assigner(object, source, index, customizer); } } return object; }); } /** * Creates a `baseEach` or `baseEachRight` function. * * @private * @param {Function} eachFunc The function to iterate over a collection. * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new base function. */ function createBaseEach(eachFunc, fromRight) { return function(collection, iteratee) { if (collection == null) { return collection; } if (!isArrayLike(collection)) { return eachFunc(collection, iteratee); } var length = collection.length, index = fromRight ? length : -1, iterable = Object(collection); while ((fromRight ? index-- : ++index < length)) { if (iteratee(iterable[index], index, iterable) === false) { break; } } return collection; }; } /** * Creates a base function for methods like `_.forIn` and `_.forOwn`. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new base function. */ function createBaseFor(fromRight) { return function(object, iteratee, keysFunc) { var index = -1, iterable = Object(object), props = keysFunc(object), length = props.length; while (length--) { var key = props[fromRight ? length : ++index]; if (iteratee(iterable[key], key, iterable) === false) { break; } } return object; }; } /** * Creates a function that wraps `func` to invoke it with the optional `this` * binding of `thisArg`. * * @private * @param {Function} func The function to wrap. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @param {*} [thisArg] The `this` binding of `func`. * @returns {Function} Returns the new wrapped function. */ function createBind(func, bitmask, thisArg) { var isBind = bitmask & WRAP_BIND_FLAG, Ctor = createCtor(func); function wrapper() { var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; return fn.apply(isBind ? thisArg : this, arguments); } return wrapper; } /** * Creates a function like `_.lowerFirst`. * * @private * @param {string} methodName The name of the `String` case method to use. * @returns {Function} Returns the new case function. */ function createCaseFirst(methodName) { return function(string) { string = toString(string); var strSymbols = hasUnicode(string) ? stringToArray(string) : undefined; var chr = strSymbols ? strSymbols[0] : string.charAt(0); var trailing = strSymbols ? castSlice(strSymbols, 1).join('') : string.slice(1); return chr[methodName]() + trailing; }; } /** * Creates a function like `_.camelCase`. * * @private * @param {Function} callback The function to combine each word. * @returns {Function} Returns the new compounder function. */ function createCompounder(callback) { return function(string) { return arrayReduce(words(deburr(string).replace(reApos, '')), callback, ''); }; } /** * Creates a function that produces an instance of `Ctor` regardless of * whether it was invoked as part of a `new` expression or by `call` or `apply`. * * @private * @param {Function} Ctor The constructor to wrap. * @returns {Function} Returns the new wrapped function. */ function createCtor(Ctor) { return function() { // Use a `switch` statement to work with class constructors. See // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist // for more details. var args = arguments; switch (args.length) { case 0: return new Ctor; case 1: return new Ctor(args[0]); case 2: return new Ctor(args[0], args[1]); case 3: return new Ctor(args[0], args[1], args[2]); case 4: return new Ctor(args[0], args[1], args[2], args[3]); case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]); case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]); case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]); } var thisBinding = baseCreate(Ctor.prototype), result = Ctor.apply(thisBinding, args); // Mimic the constructor's `return` behavior. // See https://es5.github.io/#x13.2.2 for more details. return isObject(result) ? result : thisBinding; }; } /** * Creates a function that wraps `func` to enable currying. * * @private * @param {Function} func The function to wrap. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @param {number} arity The arity of `func`. * @returns {Function} Returns the new wrapped function. */ function createCurry(func, bitmask, arity) { var Ctor = createCtor(func); function wrapper() { var length = arguments.length, args = Array(length), index = length, placeholder = getHolder(wrapper); while (index--) { args[index] = arguments[index]; } var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder) ? [] : replaceHolders(args, placeholder); length -= holders.length; if (length < arity) { return createRecurry( func, bitmask, createHybrid, wrapper.placeholder, undefined, args, holders, undefined, undefined, arity - length); } var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; return apply(fn, this, args); } return wrapper; } /** * Creates a `_.find` or `_.findLast` function. * * @private * @param {Function} findIndexFunc The function to find the collection index. * @returns {Function} Returns the new find function. */ function createFind(findIndexFunc) { return function(collection, predicate, fromIndex) { var iterable = Object(collection); if (!isArrayLike(collection)) { var iteratee = getIteratee(predicate, 3); collection = keys(collection); predicate = function(key) { return iteratee(iterable[key], key, iterable); }; } var index = findIndexFunc(collection, predicate, fromIndex); return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined; }; } /** * Creates a `_.flow` or `_.flowRight` function. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new flow function. */ function createFlow(fromRight) { return flatRest(function(funcs) { var length = funcs.length, index = length, prereq = LodashWrapper.prototype.thru; if (fromRight) { funcs.reverse(); } while (index--) { var func = funcs[index]; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } if (prereq && !wrapper && getFuncName(func) == 'wrapper') { var wrapper = new LodashWrapper([], true); } } index = wrapper ? index : length; while (++index < length) { func = funcs[index]; var funcName = getFuncName(func), data = funcName == 'wrapper' ? getData(func) : undefined; if (data && isLaziable(data[0]) && data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) && !data[4].length && data[9] == 1 ) { wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]); } else { wrapper = (func.length == 1 && isLaziable(func)) ? wrapper[funcName]() : wrapper.thru(func); } } return function() { var args = arguments, value = args[0]; if (wrapper && args.length == 1 && isArray(value)) { return wrapper.plant(value).value(); } var index = 0, result = length ? funcs[index].apply(this, args) : value; while (++index < length) { result = funcs[index].call(this, result); } return result; }; }); } /** * Creates a function that wraps `func` to invoke it with optional `this` * binding of `thisArg`, partial application, and currying. * * @private * @param {Function|string} func The function or method name to wrap. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @param {*} [thisArg] The `this` binding of `func`. * @param {Array} [partials] The arguments to prepend to those provided to * the new function. * @param {Array} [holders] The `partials` placeholder indexes. * @param {Array} [partialsRight] The arguments to append to those provided * to the new function. * @param {Array} [holdersRight] The `partialsRight` placeholder indexes. * @param {Array} [argPos] The argument positions of the new function. * @param {number} [ary] The arity cap of `func`. * @param {number} [arity] The arity of `func`. * @returns {Function} Returns the new wrapped function. */ function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) { var isAry = bitmask & WRAP_ARY_FLAG, isBind = bitmask & WRAP_BIND_FLAG, isBindKey = bitmask & WRAP_BIND_KEY_FLAG, isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG), isFlip = bitmask & WRAP_FLIP_FLAG, Ctor = isBindKey ? undefined : createCtor(func); function wrapper() { var length = arguments.length, args = Array(length), index = length; while (index--) { args[index] = arguments[index]; } if (isCurried) { var placeholder = getHolder(wrapper), holdersCount = countHolders(args, placeholder); } if (partials) { args = composeArgs(args, partials, holders, isCurried); } if (partialsRight) { args = composeArgsRight(args, partialsRight, holdersRight, isCurried); } length -= holdersCount; if (isCurried && length < arity) { var newHolders = replaceHolders(args, placeholder); return createRecurry( func, bitmask, createHybrid, wrapper.placeholder, thisArg, args, newHolders, argPos, ary, arity - length ); } var thisBinding = isBind ? thisArg : this, fn = isBindKey ? thisBinding[func] : func; length = args.length; if (argPos) { args = reorder(args, argPos); } else if (isFlip && length > 1) { args.reverse(); } if (isAry && ary < length) { args.length = ary; } if (this && this !== root && this instanceof wrapper) { fn = Ctor || createCtor(fn); } return fn.apply(thisBinding, args); } return wrapper; } /** * Creates a function like `_.invertBy`. * * @private * @param {Function} setter The function to set accumulator values. * @param {Function} toIteratee The function to resolve iteratees. * @returns {Function} Returns the new inverter function. */ function createInverter(setter, toIteratee) { return function(object, iteratee) { return baseInverter(object, setter, toIteratee(iteratee), {}); }; } /** * Creates a function that performs a mathematical operation on two values. * * @private * @param {Function} operator The function to perform the operation. * @param {number} [defaultValue] The value used for `undefined` arguments. * @returns {Function} Returns the new mathematical operation function. */ function createMathOperation(operator, defaultValue) { return function(value, other) { var result; if (value === undefined && other === undefined) { return defaultValue; } if (value !== undefined) { result = value; } if (other !== undefined) { if (result === undefined) { return other; } if (typeof value == 'string' || typeof other == 'string') { value = baseToString(value); other = baseToString(other); } else { value = baseToNumber(value); other = baseToNumber(other); } result = operator(value, other); } return result; }; } /** * Creates a function like `_.over`. * * @private * @param {Function} arrayFunc The function to iterate over iteratees. * @returns {Function} Returns the new over function. */ function createOver(arrayFunc) { return flatRest(function(iteratees) { iteratees = arrayMap(iteratees, baseUnary(getIteratee())); return baseRest(function(args) { var thisArg = this; return arrayFunc(iteratees, function(iteratee) { return apply(iteratee, thisArg, args); }); }); }); } /** * Creates the padding for `string` based on `length`. The `chars` string * is truncated if the number of characters exceeds `length`. * * @private * @param {number} length The padding length. * @param {string} [chars=' '] The string used as padding. * @returns {string} Returns the padding for `string`. */ function createPadding(length, chars) { chars = chars === undefined ? ' ' : baseToString(chars); var charsLength = chars.length; if (charsLength < 2) { return charsLength ? baseRepeat(chars, length) : chars; } var result = baseRepeat(chars, nativeCeil(length / stringSize(chars))); return hasUnicode(chars) ? castSlice(stringToArray(result), 0, length).join('') : result.slice(0, length); } /** * Creates a function that wraps `func` to invoke it with the `this` binding * of `thisArg` and `partials` prepended to the arguments it receives. * * @private * @param {Function} func The function to wrap. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @param {*} thisArg The `this` binding of `func`. * @param {Array} partials The arguments to prepend to those provided to * the new function. * @returns {Function} Returns the new wrapped function. */ function createPartial(func, bitmask, thisArg, partials) { var isBind = bitmask & WRAP_BIND_FLAG, Ctor = createCtor(func); function wrapper() { var argsIndex = -1, argsLength = arguments.length, leftIndex = -1, leftLength = partials.length, args = Array(leftLength + argsLength), fn = (this && this !== root && this instanceof wrapper) ? Ctor : func; while (++leftIndex < leftLength) { args[leftIndex] = partials[leftIndex]; } while (argsLength--) { args[leftIndex++] = arguments[++argsIndex]; } return apply(fn, isBind ? thisArg : this, args); } return wrapper; } /** * Creates a `_.range` or `_.rangeRight` function. * * @private * @param {boolean} [fromRight] Specify iterating from right to left. * @returns {Function} Returns the new range function. */ function createRange(fromRight) { return function(start, end, step) { if (step && typeof step != 'number' && isIterateeCall(start, end, step)) { end = step = undefined; } // Ensure the sign of `-0` is preserved. start = toFinite(start); if (end === undefined) { end = start; start = 0; } else { end = toFinite(end); } step = step === undefined ? (start < end ? 1 : -1) : toFinite(step); return baseRange(start, end, step, fromRight); }; } /** * Creates a function that performs a relational operation on two values. * * @private * @param {Function} operator The function to perform the operation. * @returns {Function} Returns the new relational operation function. */ function createRelationalOperation(operator) { return function(value, other) { if (!(typeof value == 'string' && typeof other == 'string')) { value = toNumber(value); other = toNumber(other); } return operator(value, other); }; } /** * Creates a function that wraps `func` to continue currying. * * @private * @param {Function} func The function to wrap. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @param {Function} wrapFunc The function to create the `func` wrapper. * @param {*} placeholder The placeholder value. * @param {*} [thisArg] The `this` binding of `func`. * @param {Array} [partials] The arguments to prepend to those provided to * the new function. * @param {Array} [holders] The `partials` placeholder indexes. * @param {Array} [argPos] The argument positions of the new function. * @param {number} [ary] The arity cap of `func`. * @param {number} [arity] The arity of `func`. * @returns {Function} Returns the new wrapped function. */ function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) { var isCurry = bitmask & WRAP_CURRY_FLAG, newHolders = isCurry ? holders : undefined, newHoldersRight = isCurry ? undefined : holders, newPartials = isCurry ? partials : undefined, newPartialsRight = isCurry ? undefined : partials; bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG); bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG); if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) { bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG); } var newData = [ func, bitmask, thisArg, newPartials, newHolders, newPartialsRight, newHoldersRight, argPos, ary, arity ]; var result = wrapFunc.apply(undefined, newData); if (isLaziable(func)) { setData(result, newData); } result.placeholder = placeholder; return setWrapToString(result, func, bitmask); } /** * Creates a function like `_.round`. * * @private * @param {string} methodName The name of the `Math` method to use when rounding. * @returns {Function} Returns the new round function. */ function createRound(methodName) { var func = Math[methodName]; return function(number, precision) { number = toNumber(number); precision = precision == null ? 0 : nativeMin(toInteger(precision), 292); if (precision && nativeIsFinite(number)) { // Shift with exponential notation to avoid floating-point issues. // See [MDN](https://mdn.io/round#Examples) for more details. var pair = (toString(number) + 'e').split('e'), value = func(pair[0] + 'e' + (+pair[1] + precision)); pair = (toString(value) + 'e').split('e'); return +(pair[0] + 'e' + (+pair[1] - precision)); } return func(number); }; } /** * Creates a set object of `values`. * * @private * @param {Array} values The values to add to the set. * @returns {Object} Returns the new set. */ var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) { return new Set(values); }; /** * Creates a `_.toPairs` or `_.toPairsIn` function. * * @private * @param {Function} keysFunc The function to get the keys of a given object. * @returns {Function} Returns the new pairs function. */ function createToPairs(keysFunc) { return function(object) { var tag = getTag(object); if (tag == mapTag) { return mapToArray(object); } if (tag == setTag) { return setToPairs(object); } return baseToPairs(object, keysFunc(object)); }; } /** * Creates a function that either curries or invokes `func` with optional * `this` binding and partially applied arguments. * * @private * @param {Function|string} func The function or method name to wrap. * @param {number} bitmask The bitmask flags. * 1 - `_.bind` * 2 - `_.bindKey` * 4 - `_.curry` or `_.curryRight` of a bound function * 8 - `_.curry` * 16 - `_.curryRight` * 32 - `_.partial` * 64 - `_.partialRight` * 128 - `_.rearg` * 256 - `_.ary` * 512 - `_.flip` * @param {*} [thisArg] The `this` binding of `func`. * @param {Array} [partials] The arguments to be partially applied. * @param {Array} [holders] The `partials` placeholder indexes. * @param {Array} [argPos] The argument positions of the new function. * @param {number} [ary] The arity cap of `func`. * @param {number} [arity] The arity of `func`. * @returns {Function} Returns the new wrapped function. */ function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) { var isBindKey = bitmask & WRAP_BIND_KEY_FLAG; if (!isBindKey && typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } var length = partials ? partials.length : 0; if (!length) { bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG); partials = holders = undefined; } ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0); arity = arity === undefined ? arity : toInteger(arity); length -= holders ? holders.length : 0; if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) { var partialsRight = partials, holdersRight = holders; partials = holders = undefined; } var data = isBindKey ? undefined : getData(func); var newData = [ func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity ]; if (data) { mergeData(newData, data); } func = newData[0]; bitmask = newData[1]; thisArg = newData[2]; partials = newData[3]; holders = newData[4]; arity = newData[9] = newData[9] === undefined ? (isBindKey ? 0 : func.length) : nativeMax(newData[9] - length, 0); if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) { bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG); } if (!bitmask || bitmask == WRAP_BIND_FLAG) { var result = createBind(func, bitmask, thisArg); } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) { result = createCurry(func, bitmask, arity); } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) { result = createPartial(func, bitmask, thisArg, partials); } else { result = createHybrid.apply(undefined, newData); } var setter = data ? baseSetData : setData; return setWrapToString(setter(result, newData), func, bitmask); } /** * Used by `_.defaults` to customize its `_.assignIn` use to assign properties * of source objects to the destination object for all destination properties * that resolve to `undefined`. * * @private * @param {*} objValue The destination value. * @param {*} srcValue The source value. * @param {string} key The key of the property to assign. * @param {Object} object The parent object of `objValue`. * @returns {*} Returns the value to assign. */ function customDefaultsAssignIn(objValue, srcValue, key, object) { if (objValue === undefined || (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) { return srcValue; } return objValue; } /** * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source * objects into destination objects that are passed thru. * * @private * @param {*} objValue The destination value. * @param {*} srcValue The source value. * @param {string} key The key of the property to merge. * @param {Object} object The parent object of `objValue`. * @param {Object} source The parent object of `srcValue`. * @param {Object} [stack] Tracks traversed source values and their merged * counterparts. * @returns {*} Returns the value to assign. */ function customDefaultsMerge(objValue, srcValue, key, object, source, stack) { if (isObject(objValue) && isObject(srcValue)) { // Recursively merge objects and arrays (susceptible to call stack limits). stack.set(srcValue, objValue); baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack); stack['delete'](srcValue); } return objValue; } /** * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain * objects. * * @private * @param {*} value The value to inspect. * @param {string} key The key of the property to inspect. * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`. */ function customOmitClone(value) { return isPlainObject(value) ? undefined : value; } /** * A specialized version of `baseIsEqualDeep` for arrays with support for * partial deep comparisons. * * @private * @param {Array} array The array to compare. * @param {Array} other The other array to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `array` and `other` objects. * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`. */ function equalArrays(array, other, bitmask, customizer, equalFunc, stack) { var isPartial = bitmask & COMPARE_PARTIAL_FLAG, arrLength = array.length, othLength = other.length; if (arrLength != othLength && !(isPartial && othLength > arrLength)) { return false; } // Check that cyclic values are equal. var arrStacked = stack.get(array); var othStacked = stack.get(other); if (arrStacked && othStacked) { return arrStacked == other && othStacked == array; } var index = -1, result = true, seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined; stack.set(array, other); stack.set(other, array); // Ignore non-index properties. while (++index < arrLength) { var arrValue = array[index], othValue = other[index]; if (customizer) { var compared = isPartial ? customizer(othValue, arrValue, index, other, array, stack) : customizer(arrValue, othValue, index, array, other, stack); } if (compared !== undefined) { if (compared) { continue; } result = false; break; } // Recursively compare arrays (susceptible to call stack limits). if (seen) { if (!arraySome(other, function(othValue, othIndex) { if (!cacheHas(seen, othIndex) && (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) { return seen.push(othIndex); } })) { result = false; break; } } else if (!( arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack) )) { result = false; break; } } stack['delete'](array); stack['delete'](other); return result; } /** * A specialized version of `baseIsEqualDeep` for comparing objects of * the same `toStringTag`. * * **Note:** This function only supports comparing values with tags of * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {string} tag The `toStringTag` of the objects to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) { switch (tag) { case dataViewTag: if ((object.byteLength != other.byteLength) || (object.byteOffset != other.byteOffset)) { return false; } object = object.buffer; other = other.buffer; case arrayBufferTag: if ((object.byteLength != other.byteLength) || !equalFunc(new Uint8Array(object), new Uint8Array(other))) { return false; } return true; case boolTag: case dateTag: case numberTag: // Coerce booleans to `1` or `0` and dates to milliseconds. // Invalid dates are coerced to `NaN`. return eq(+object, +other); case errorTag: return object.name == other.name && object.message == other.message; case regexpTag: case stringTag: // Coerce regexes to strings and treat strings, primitives and objects, // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring // for more details. return object == (other + ''); case mapTag: var convert = mapToArray; case setTag: var isPartial = bitmask & COMPARE_PARTIAL_FLAG; convert || (convert = setToArray); if (object.size != other.size && !isPartial) { return false; } // Assume cyclic values are equal. var stacked = stack.get(object); if (stacked) { return stacked == other; } bitmask |= COMPARE_UNORDERED_FLAG; // Recursively compare objects (susceptible to call stack limits). stack.set(object, other); var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack); stack['delete'](object); return result; case symbolTag: if (symbolValueOf) { return symbolValueOf.call(object) == symbolValueOf.call(other); } } return false; } /** * A specialized version of `baseIsEqualDeep` for objects with support for * partial deep comparisons. * * @private * @param {Object} object The object to compare. * @param {Object} other The other object to compare. * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details. * @param {Function} customizer The function to customize comparisons. * @param {Function} equalFunc The function to determine equivalents of values. * @param {Object} stack Tracks traversed `object` and `other` objects. * @returns {boolean} Returns `true` if the objects are equivalent, else `false`. */ function equalObjects(object, other, bitmask, customizer, equalFunc, stack) { var isPartial = bitmask & COMPARE_PARTIAL_FLAG, objProps = getAllKeys(object), objLength = objProps.length, othProps = getAllKeys(other), othLength = othProps.length; if (objLength != othLength && !isPartial) { return false; } var index = objLength; while (index--) { var key = objProps[index]; if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) { return false; } } // Check that cyclic values are equal. var objStacked = stack.get(object); var othStacked = stack.get(other); if (objStacked && othStacked) { return objStacked == other && othStacked == object; } var result = true; stack.set(object, other); stack.set(other, object); var skipCtor = isPartial; while (++index < objLength) { key = objProps[index]; var objValue = object[key], othValue = other[key]; if (customizer) { var compared = isPartial ? customizer(othValue, objValue, key, other, object, stack) : customizer(objValue, othValue, key, object, other, stack); } // Recursively compare objects (susceptible to call stack limits). if (!(compared === undefined ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack)) : compared )) { result = false; break; } skipCtor || (skipCtor = key == 'constructor'); } if (result && !skipCtor) { var objCtor = object.constructor, othCtor = other.constructor; // Non `Object` object instances with different constructors are not equal. if (objCtor != othCtor && ('constructor' in object && 'constructor' in other) && !(typeof objCtor == 'function' && objCtor instanceof objCtor && typeof othCtor == 'function' && othCtor instanceof othCtor)) { result = false; } } stack['delete'](object); stack['delete'](other); return result; } /** * A specialized version of `baseRest` which flattens the rest array. * * @private * @param {Function} func The function to apply a rest parameter to. * @returns {Function} Returns the new function. */ function flatRest(func) { return setToString(overRest(func, undefined, flatten), func + ''); } /** * Creates an array of own enumerable property names and symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names and symbols. */ function getAllKeys(object) { return baseGetAllKeys(object, keys, getSymbols); } /** * Creates an array of own and inherited enumerable property names and * symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names and symbols. */ function getAllKeysIn(object) { return baseGetAllKeys(object, keysIn, getSymbolsIn); } /** * Gets metadata for `func`. * * @private * @param {Function} func The function to query. * @returns {*} Returns the metadata for `func`. */ var getData = !metaMap ? noop : function(func) { return metaMap.get(func); }; /** * Gets the name of `func`. * * @private * @param {Function} func The function to query. * @returns {string} Returns the function name. */ function getFuncName(func) { var result = (func.name + ''), array = realNames[result], length = hasOwnProperty.call(realNames, result) ? array.length : 0; while (length--) { var data = array[length], otherFunc = data.func; if (otherFunc == null || otherFunc == func) { return data.name; } } return result; } /** * Gets the argument placeholder value for `func`. * * @private * @param {Function} func The function to inspect. * @returns {*} Returns the placeholder value. */ function getHolder(func) { var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func; return object.placeholder; } /** * Gets the appropriate "iteratee" function. If `_.iteratee` is customized, * this function returns the custom method, otherwise it returns `baseIteratee`. * If arguments are provided, the chosen function is invoked with them and * its result is returned. * * @private * @param {*} [value] The value to convert to an iteratee. * @param {number} [arity] The arity of the created iteratee. * @returns {Function} Returns the chosen function or its result. */ function getIteratee() { var result = lodash.iteratee || iteratee; result = result === iteratee ? baseIteratee : result; return arguments.length ? result(arguments[0], arguments[1]) : result; } /** * Gets the data for `map`. * * @private * @param {Object} map The map to query. * @param {string} key The reference key. * @returns {*} Returns the map data. */ function getMapData(map, key) { var data = map.__data__; return isKeyable(key) ? data[typeof key == 'string' ? 'string' : 'hash'] : data.map; } /** * Gets the property names, values, and compare flags of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the match data of `object`. */ function getMatchData(object) { var result = keys(object), length = result.length; while (length--) { var key = result[length], value = object[key]; result[length] = [key, value, isStrictComparable(value)]; } return result; } /** * Gets the native function at `key` of `object`. * * @private * @param {Object} object The object to query. * @param {string} key The key of the method to get. * @returns {*} Returns the function if it's native, else `undefined`. */ function getNative(object, key) { var value = getValue(object, key); return baseIsNative(value) ? value : undefined; } /** * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values. * * @private * @param {*} value The value to query. * @returns {string} Returns the raw `toStringTag`. */ function getRawTag(value) { var isOwn = hasOwnProperty.call(value, symToStringTag), tag = value[symToStringTag]; try { value[symToStringTag] = undefined; var unmasked = true; } catch (e) {} var result = nativeObjectToString.call(value); if (unmasked) { if (isOwn) { value[symToStringTag] = tag; } else { delete value[symToStringTag]; } } return result; } /** * Creates an array of the own enumerable symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of symbols. */ var getSymbols = !nativeGetSymbols ? stubArray : function(object) { if (object == null) { return []; } object = Object(object); return arrayFilter(nativeGetSymbols(object), function(symbol) { return propertyIsEnumerable.call(object, symbol); }); }; /** * Creates an array of the own and inherited enumerable symbols of `object`. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of symbols. */ var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) { var result = []; while (object) { arrayPush(result, getSymbols(object)); object = getPrototype(object); } return result; }; /** * Gets the `toStringTag` of `value`. * * @private * @param {*} value The value to query. * @returns {string} Returns the `toStringTag`. */ var getTag = baseGetTag; // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6. if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) || (Map && getTag(new Map) != mapTag) || (Promise && getTag(Promise.resolve()) != promiseTag) || (Set && getTag(new Set) != setTag) || (WeakMap && getTag(new WeakMap) != weakMapTag)) { getTag = function(value) { var result = baseGetTag(value), Ctor = result == objectTag ? value.constructor : undefined, ctorString = Ctor ? toSource(Ctor) : ''; if (ctorString) { switch (ctorString) { case dataViewCtorString: return dataViewTag; case mapCtorString: return mapTag; case promiseCtorString: return promiseTag; case setCtorString: return setTag; case weakMapCtorString: return weakMapTag; } } return result; }; } /** * Gets the view, applying any `transforms` to the `start` and `end` positions. * * @private * @param {number} start The start of the view. * @param {number} end The end of the view. * @param {Array} transforms The transformations to apply to the view. * @returns {Object} Returns an object containing the `start` and `end` * positions of the view. */ function getView(start, end, transforms) { var index = -1, length = transforms.length; while (++index < length) { var data = transforms[index], size = data.size; switch (data.type) { case 'drop': start += size; break; case 'dropRight': end -= size; break; case 'take': end = nativeMin(end, start + size); break; case 'takeRight': start = nativeMax(start, end - size); break; } } return { 'start': start, 'end': end }; } /** * Extracts wrapper details from the `source` body comment. * * @private * @param {string} source The source to inspect. * @returns {Array} Returns the wrapper details. */ function getWrapDetails(source) { var match = source.match(reWrapDetails); return match ? match[1].split(reSplitDetails) : []; } /** * Checks if `path` exists on `object`. * * @private * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @param {Function} hasFunc The function to check properties. * @returns {boolean} Returns `true` if `path` exists, else `false`. */ function hasPath(object, path, hasFunc) { path = castPath(path, object); var index = -1, length = path.length, result = false; while (++index < length) { var key = toKey(path[index]); if (!(result = object != null && hasFunc(object, key))) { break; } object = object[key]; } if (result || ++index != length) { return result; } length = object == null ? 0 : object.length; return !!length && isLength(length) && isIndex(key, length) && (isArray(object) || isArguments(object)); } /** * Initializes an array clone. * * @private * @param {Array} array The array to clone. * @returns {Array} Returns the initialized clone. */ function initCloneArray(array) { var length = array.length, result = new array.constructor(length); // Add properties assigned by `RegExp#exec`. if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) { result.index = array.index; result.input = array.input; } return result; } /** * Initializes an object clone. * * @private * @param {Object} object The object to clone. * @returns {Object} Returns the initialized clone. */ function initCloneObject(object) { return (typeof object.constructor == 'function' && !isPrototype(object)) ? baseCreate(getPrototype(object)) : {}; } /** * Initializes an object clone based on its `toStringTag`. * * **Note:** This function only supports cloning values with tags of * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`. * * @private * @param {Object} object The object to clone. * @param {string} tag The `toStringTag` of the object to clone. * @param {boolean} [isDeep] Specify a deep clone. * @returns {Object} Returns the initialized clone. */ function initCloneByTag(object, tag, isDeep) { var Ctor = object.constructor; switch (tag) { case arrayBufferTag: return cloneArrayBuffer(object); case boolTag: case dateTag: return new Ctor(+object); case dataViewTag: return cloneDataView(object, isDeep); case float32Tag: case float64Tag: case int8Tag: case int16Tag: case int32Tag: case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag: return cloneTypedArray(object, isDeep); case mapTag: return new Ctor; case numberTag: case stringTag: return new Ctor(object); case regexpTag: return cloneRegExp(object); case setTag: return new Ctor; case symbolTag: return cloneSymbol(object); } } /** * Inserts wrapper `details` in a comment at the top of the `source` body. * * @private * @param {string} source The source to modify. * @returns {Array} details The details to insert. * @returns {string} Returns the modified source. */ function insertWrapDetails(source, details) { var length = details.length; if (!length) { return source; } var lastIndex = length - 1; details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex]; details = details.join(length > 2 ? ', ' : ' '); return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n'); } /** * Checks if `value` is a flattenable `arguments` object or array. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is flattenable, else `false`. */ function isFlattenable(value) { return isArray(value) || isArguments(value) || !!(spreadableSymbol && value && value[spreadableSymbol]); } /** * Checks if `value` is a valid array-like index. * * @private * @param {*} value The value to check. * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. */ function isIndex(value, length) { var type = typeof value; length = length == null ? MAX_SAFE_INTEGER : length; return !!length && (type == 'number' || (type != 'symbol' && reIsUint.test(value))) && (value > -1 && value % 1 == 0 && value < length); } /** * Checks if the given arguments are from an iteratee call. * * @private * @param {*} value The potential iteratee value argument. * @param {*} index The potential iteratee index or key argument. * @param {*} object The potential iteratee object argument. * @returns {boolean} Returns `true` if the arguments are from an iteratee call, * else `false`. */ function isIterateeCall(value, index, object) { if (!isObject(object)) { return false; } var type = typeof index; if (type == 'number' ? (isArrayLike(object) && isIndex(index, object.length)) : (type == 'string' && index in object) ) { return eq(object[index], value); } return false; } /** * Checks if `value` is a property name and not a property path. * * @private * @param {*} value The value to check. * @param {Object} [object] The object to query keys on. * @returns {boolean} Returns `true` if `value` is a property name, else `false`. */ function isKey(value, object) { if (isArray(value)) { return false; } var type = typeof value; if (type == 'number' || type == 'symbol' || type == 'boolean' || value == null || isSymbol(value)) { return true; } return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || (object != null && value in Object(object)); } /** * Checks if `value` is suitable for use as unique object key. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is suitable, else `false`. */ function isKeyable(value) { var type = typeof value; return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean') ? (value !== '__proto__') : (value === null); } /** * Checks if `func` has a lazy counterpart. * * @private * @param {Function} func The function to check. * @returns {boolean} Returns `true` if `func` has a lazy counterpart, * else `false`. */ function isLaziable(func) { var funcName = getFuncName(func), other = lodash[funcName]; if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) { return false; } if (func === other) { return true; } var data = getData(other); return !!data && func === data[0]; } /** * Checks if `func` has its source masked. * * @private * @param {Function} func The function to check. * @returns {boolean} Returns `true` if `func` is masked, else `false`. */ function isMasked(func) { return !!maskSrcKey && (maskSrcKey in func); } /** * Checks if `func` is capable of being masked. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `func` is maskable, else `false`. */ var isMaskable = coreJsData ? isFunction : stubFalse; /** * Checks if `value` is likely a prototype object. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. */ function isPrototype(value) { var Ctor = value && value.constructor, proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; return value === proto; } /** * Checks if `value` is suitable for strict equality comparisons, i.e. `===`. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` if suitable for strict * equality comparisons, else `false`. */ function isStrictComparable(value) { return value === value && !isObject(value); } /** * A specialized version of `matchesProperty` for source values suitable * for strict equality comparisons, i.e. `===`. * * @private * @param {string} key The key of the property to get. * @param {*} srcValue The value to match. * @returns {Function} Returns the new spec function. */ function matchesStrictComparable(key, srcValue) { return function(object) { if (object == null) { return false; } return object[key] === srcValue && (srcValue !== undefined || (key in Object(object))); }; } /** * A specialized version of `_.memoize` which clears the memoized function's * cache when it exceeds `MAX_MEMOIZE_SIZE`. * * @private * @param {Function} func The function to have its output memoized. * @returns {Function} Returns the new memoized function. */ function memoizeCapped(func) { var result = memoize(func, function(key) { if (cache.size === MAX_MEMOIZE_SIZE) { cache.clear(); } return key; }); var cache = result.cache; return result; } /** * Merges the function metadata of `source` into `data`. * * Merging metadata reduces the number of wrappers used to invoke a function. * This is possible because methods like `_.bind`, `_.curry`, and `_.partial` * may be applied regardless of execution order. Methods like `_.ary` and * `_.rearg` modify function arguments, making the order in which they are * executed important, preventing the merging of metadata. However, we make * an exception for a safe combined case where curried functions have `_.ary` * and or `_.rearg` applied. * * @private * @param {Array} data The destination metadata. * @param {Array} source The source metadata. * @returns {Array} Returns `data`. */ function mergeData(data, source) { var bitmask = data[1], srcBitmask = source[1], newBitmask = bitmask | srcBitmask, isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG); var isCombo = ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) || ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) || ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG)); // Exit early if metadata can't be merged. if (!(isCommon || isCombo)) { return data; } // Use source `thisArg` if available. if (srcBitmask & WRAP_BIND_FLAG) { data[2] = source[2]; // Set when currying a bound function. newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG; } // Compose partial arguments. var value = source[3]; if (value) { var partials = data[3]; data[3] = partials ? composeArgs(partials, value, source[4]) : value; data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4]; } // Compose partial right arguments. value = source[5]; if (value) { partials = data[5]; data[5] = partials ? composeArgsRight(partials, value, source[6]) : value; data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6]; } // Use source `argPos` if available. value = source[7]; if (value) { data[7] = value; } // Use source `ary` if it's smaller. if (srcBitmask & WRAP_ARY_FLAG) { data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]); } // Use source `arity` if one is not provided. if (data[9] == null) { data[9] = source[9]; } // Use source `func` and merge bitmasks. data[0] = source[0]; data[1] = newBitmask; return data; } /** * This function is like * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) * except that it includes inherited enumerable properties. * * @private * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. */ function nativeKeysIn(object) { var result = []; if (object != null) { for (var key in Object(object)) { result.push(key); } } return result; } /** * Converts `value` to a string using `Object.prototype.toString`. * * @private * @param {*} value The value to convert. * @returns {string} Returns the converted string. */ function objectToString(value) { return nativeObjectToString.call(value); } /** * A specialized version of `baseRest` which transforms the rest array. * * @private * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @param {Function} transform The rest array transform. * @returns {Function} Returns the new function. */ function overRest(func, start, transform) { start = nativeMax(start === undefined ? (func.length - 1) : start, 0); return function() { var args = arguments, index = -1, length = nativeMax(args.length - start, 0), array = Array(length); while (++index < length) { array[index] = args[start + index]; } index = -1; var otherArgs = Array(start + 1); while (++index < start) { otherArgs[index] = args[index]; } otherArgs[start] = transform(array); return apply(func, this, otherArgs); }; } /** * Gets the parent value at `path` of `object`. * * @private * @param {Object} object The object to query. * @param {Array} path The path to get the parent value of. * @returns {*} Returns the parent value. */ function parent(object, path) { return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1)); } /** * Reorder `array` according to the specified indexes where the element at * the first index is assigned as the first element, the element at * the second index is assigned as the second element, and so on. * * @private * @param {Array} array The array to reorder. * @param {Array} indexes The arranged array indexes. * @returns {Array} Returns `array`. */ function reorder(array, indexes) { var arrLength = array.length, length = nativeMin(indexes.length, arrLength), oldArray = copyArray(array); while (length--) { var index = indexes[length]; array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined; } return array; } /** * Gets the value at `key`, unless `key` is "__proto__" or "constructor". * * @private * @param {Object} object The object to query. * @param {string} key The key of the property to get. * @returns {*} Returns the property value. */ function safeGet(object, key) { if (key === 'constructor' && typeof object[key] === 'function') { return; } if (key == '__proto__') { return; } return object[key]; } /** * Sets metadata for `func`. * * **Note:** If this function becomes hot, i.e. is invoked a lot in a short * period of time, it will trip its breaker and transition to an identity * function to avoid garbage collection pauses in V8. See * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070) * for more details. * * @private * @param {Function} func The function to associate metadata with. * @param {*} data The metadata. * @returns {Function} Returns `func`. */ var setData = shortOut(baseSetData); /** * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout). * * @private * @param {Function} func The function to delay. * @param {number} wait The number of milliseconds to delay invocation. * @returns {number|Object} Returns the timer id or timeout object. */ var setTimeout = ctxSetTimeout || function(func, wait) { return root.setTimeout(func, wait); }; /** * Sets the `toString` method of `func` to return `string`. * * @private * @param {Function} func The function to modify. * @param {Function} string The `toString` result. * @returns {Function} Returns `func`. */ var setToString = shortOut(baseSetToString); /** * Sets the `toString` method of `wrapper` to mimic the source of `reference` * with wrapper details in a comment at the top of the source body. * * @private * @param {Function} wrapper The function to modify. * @param {Function} reference The reference function. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @returns {Function} Returns `wrapper`. */ function setWrapToString(wrapper, reference, bitmask) { var source = (reference + ''); return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask))); } /** * Creates a function that'll short out and invoke `identity` instead * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN` * milliseconds. * * @private * @param {Function} func The function to restrict. * @returns {Function} Returns the new shortable function. */ function shortOut(func) { var count = 0, lastCalled = 0; return function() { var stamp = nativeNow(), remaining = HOT_SPAN - (stamp - lastCalled); lastCalled = stamp; if (remaining > 0) { if (++count >= HOT_COUNT) { return arguments[0]; } } else { count = 0; } return func.apply(undefined, arguments); }; } /** * A specialized version of `_.shuffle` which mutates and sets the size of `array`. * * @private * @param {Array} array The array to shuffle. * @param {number} [size=array.length] The size of `array`. * @returns {Array} Returns `array`. */ function shuffleSelf(array, size) { var index = -1, length = array.length, lastIndex = length - 1; size = size === undefined ? length : size; while (++index < size) { var rand = baseRandom(index, lastIndex), value = array[rand]; array[rand] = array[index]; array[index] = value; } array.length = size; return array; } /** * Converts `string` to a property path array. * * @private * @param {string} string The string to convert. * @returns {Array} Returns the property path array. */ var stringToPath = memoizeCapped(function(string) { var result = []; if (string.charCodeAt(0) === 46 /* . */) { result.push(''); } string.replace(rePropName, function(match, number, quote, subString) { result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match)); }); return result; }); /** * Converts `value` to a string key if it's not a string or symbol. * * @private * @param {*} value The value to inspect. * @returns {string|symbol} Returns the key. */ function toKey(value) { if (typeof value == 'string' || isSymbol(value)) { return value; } var result = (value + ''); return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result; } /** * Converts `func` to its source code. * * @private * @param {Function} func The function to convert. * @returns {string} Returns the source code. */ function toSource(func) { if (func != null) { try { return funcToString.call(func); } catch (e) {} try { return (func + ''); } catch (e) {} } return ''; } /** * Updates wrapper `details` based on `bitmask` flags. * * @private * @returns {Array} details The details to modify. * @param {number} bitmask The bitmask flags. See `createWrap` for more details. * @returns {Array} Returns `details`. */ function updateWrapDetails(details, bitmask) { arrayEach(wrapFlags, function(pair) { var value = '_.' + pair[0]; if ((bitmask & pair[1]) && !arrayIncludes(details, value)) { details.push(value); } }); return details.sort(); } /** * Creates a clone of `wrapper`. * * @private * @param {Object} wrapper The wrapper to clone. * @returns {Object} Returns the cloned wrapper. */ function wrapperClone(wrapper) { if (wrapper instanceof LazyWrapper) { return wrapper.clone(); } var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__); result.__actions__ = copyArray(wrapper.__actions__); result.__index__ = wrapper.__index__; result.__values__ = wrapper.__values__; return result; } /*------------------------------------------------------------------------*/ /** * Creates an array of elements split into groups the length of `size`. * If `array` can't be split evenly, the final chunk will be the remaining * elements. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to process. * @param {number} [size=1] The length of each chunk * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Array} Returns the new array of chunks. * @example * * _.chunk(['a', 'b', 'c', 'd'], 2); * // => [['a', 'b'], ['c', 'd']] * * _.chunk(['a', 'b', 'c', 'd'], 3); * // => [['a', 'b', 'c'], ['d']] */ function chunk(array, size, guard) { if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) { size = 1; } else { size = nativeMax(toInteger(size), 0); } var length = array == null ? 0 : array.length; if (!length || size < 1) { return []; } var index = 0, resIndex = 0, result = Array(nativeCeil(length / size)); while (index < length) { result[resIndex++] = baseSlice(array, index, (index += size)); } return result; } /** * Creates an array with all falsey values removed. The values `false`, `null`, * `0`, `""`, `undefined`, and `NaN` are falsey. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to compact. * @returns {Array} Returns the new array of filtered values. * @example * * _.compact([0, 1, false, 2, '', 3]); * // => [1, 2, 3] */ function compact(array) { var index = -1, length = array == null ? 0 : array.length, resIndex = 0, result = []; while (++index < length) { var value = array[index]; if (value) { result[resIndex++] = value; } } return result; } /** * Creates a new array concatenating `array` with any additional arrays * and/or values. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to concatenate. * @param {...*} [values] The values to concatenate. * @returns {Array} Returns the new concatenated array. * @example * * var array = [1]; * var other = _.concat(array, 2, [3], [[4]]); * * console.log(other); * // => [1, 2, 3, [4]] * * console.log(array); * // => [1] */ function concat() { var length = arguments.length; if (!length) { return []; } var args = Array(length - 1), array = arguments[0], index = length; while (index--) { args[index - 1] = arguments[index]; } return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)); } /** * Creates an array of `array` values not included in the other given arrays * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. The order and references of result values are * determined by the first array. * * **Note:** Unlike `_.pullAll`, this method returns a new array. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to inspect. * @param {...Array} [values] The values to exclude. * @returns {Array} Returns the new array of filtered values. * @see _.without, _.xor * @example * * _.difference([2, 1], [2, 3]); * // => [1] */ var difference = baseRest(function(array, values) { return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true)) : []; }); /** * This method is like `_.difference` except that it accepts `iteratee` which * is invoked for each element of `array` and `values` to generate the criterion * by which they're compared. The order and references of result values are * determined by the first array. The iteratee is invoked with one argument: * (value). * * **Note:** Unlike `_.pullAllBy`, this method returns a new array. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {...Array} [values] The values to exclude. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Array} Returns the new array of filtered values. * @example * * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor); * // => [1.2] * * // The `_.property` iteratee shorthand. * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x'); * // => [{ 'x': 2 }] */ var differenceBy = baseRest(function(array, values) { var iteratee = last(values); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)) : []; }); /** * This method is like `_.difference` except that it accepts `comparator` * which is invoked to compare elements of `array` to `values`. The order and * references of result values are determined by the first array. The comparator * is invoked with two arguments: (arrVal, othVal). * * **Note:** Unlike `_.pullAllWith`, this method returns a new array. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {...Array} [values] The values to exclude. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of filtered values. * @example * * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual); * // => [{ 'x': 2, 'y': 1 }] */ var differenceWith = baseRest(function(array, values) { var comparator = last(values); if (isArrayLikeObject(comparator)) { comparator = undefined; } return isArrayLikeObject(array) ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator) : []; }); /** * Creates a slice of `array` with `n` elements dropped from the beginning. * * @static * @memberOf _ * @since 0.5.0 * @category Array * @param {Array} array The array to query. * @param {number} [n=1] The number of elements to drop. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Array} Returns the slice of `array`. * @example * * _.drop([1, 2, 3]); * // => [2, 3] * * _.drop([1, 2, 3], 2); * // => [3] * * _.drop([1, 2, 3], 5); * // => [] * * _.drop([1, 2, 3], 0); * // => [1, 2, 3] */ function drop(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); return baseSlice(array, n < 0 ? 0 : n, length); } /** * Creates a slice of `array` with `n` elements dropped from the end. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to query. * @param {number} [n=1] The number of elements to drop. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Array} Returns the slice of `array`. * @example * * _.dropRight([1, 2, 3]); * // => [1, 2] * * _.dropRight([1, 2, 3], 2); * // => [1] * * _.dropRight([1, 2, 3], 5); * // => [] * * _.dropRight([1, 2, 3], 0); * // => [1, 2, 3] */ function dropRight(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); n = length - n; return baseSlice(array, 0, n < 0 ? 0 : n); } /** * Creates a slice of `array` excluding elements dropped from the end. * Elements are dropped until `predicate` returns falsey. The predicate is * invoked with three arguments: (value, index, array). * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to query. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the slice of `array`. * @example * * var users = [ * { 'user': 'barney', 'active': true }, * { 'user': 'fred', 'active': false }, * { 'user': 'pebbles', 'active': false } * ]; * * _.dropRightWhile(users, function(o) { return !o.active; }); * // => objects for ['barney'] * * // The `_.matches` iteratee shorthand. * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false }); * // => objects for ['barney', 'fred'] * * // The `_.matchesProperty` iteratee shorthand. * _.dropRightWhile(users, ['active', false]); * // => objects for ['barney'] * * // The `_.property` iteratee shorthand. * _.dropRightWhile(users, 'active'); * // => objects for ['barney', 'fred', 'pebbles'] */ function dropRightWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3), true, true) : []; } /** * Creates a slice of `array` excluding elements dropped from the beginning. * Elements are dropped until `predicate` returns falsey. The predicate is * invoked with three arguments: (value, index, array). * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to query. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the slice of `array`. * @example * * var users = [ * { 'user': 'barney', 'active': false }, * { 'user': 'fred', 'active': false }, * { 'user': 'pebbles', 'active': true } * ]; * * _.dropWhile(users, function(o) { return !o.active; }); * // => objects for ['pebbles'] * * // The `_.matches` iteratee shorthand. * _.dropWhile(users, { 'user': 'barney', 'active': false }); * // => objects for ['fred', 'pebbles'] * * // The `_.matchesProperty` iteratee shorthand. * _.dropWhile(users, ['active', false]); * // => objects for ['pebbles'] * * // The `_.property` iteratee shorthand. * _.dropWhile(users, 'active'); * // => objects for ['barney', 'fred', 'pebbles'] */ function dropWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3), true) : []; } /** * Fills elements of `array` with `value` from `start` up to, but not * including, `end`. * * **Note:** This method mutates `array`. * * @static * @memberOf _ * @since 3.2.0 * @category Array * @param {Array} array The array to fill. * @param {*} value The value to fill `array` with. * @param {number} [start=0] The start position. * @param {number} [end=array.length] The end position. * @returns {Array} Returns `array`. * @example * * var array = [1, 2, 3]; * * _.fill(array, 'a'); * console.log(array); * // => ['a', 'a', 'a'] * * _.fill(Array(3), 2); * // => [2, 2, 2] * * _.fill([4, 6, 8, 10], '*', 1, 3); * // => [4, '*', '*', 10] */ function fill(array, value, start, end) { var length = array == null ? 0 : array.length; if (!length) { return []; } if (start && typeof start != 'number' && isIterateeCall(array, value, start)) { start = 0; end = length; } return baseFill(array, value, start, end); } /** * This method is like `_.find` except that it returns the index of the first * element `predicate` returns truthy for instead of the element itself. * * @static * @memberOf _ * @since 1.1.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param {number} [fromIndex=0] The index to search from. * @returns {number} Returns the index of the found element, else `-1`. * @example * * var users = [ * { 'user': 'barney', 'active': false }, * { 'user': 'fred', 'active': false }, * { 'user': 'pebbles', 'active': true } * ]; * * _.findIndex(users, function(o) { return o.user == 'barney'; }); * // => 0 * * // The `_.matches` iteratee shorthand. * _.findIndex(users, { 'user': 'fred', 'active': false }); * // => 1 * * // The `_.matchesProperty` iteratee shorthand. * _.findIndex(users, ['active', false]); * // => 0 * * // The `_.property` iteratee shorthand. * _.findIndex(users, 'active'); * // => 2 */ function findIndex(array, predicate, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = fromIndex == null ? 0 : toInteger(fromIndex); if (index < 0) { index = nativeMax(length + index, 0); } return baseFindIndex(array, getIteratee(predicate, 3), index); } /** * This method is like `_.findIndex` except that it iterates over elements * of `collection` from right to left. * * @static * @memberOf _ * @since 2.0.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param {number} [fromIndex=array.length-1] The index to search from. * @returns {number} Returns the index of the found element, else `-1`. * @example * * var users = [ * { 'user': 'barney', 'active': true }, * { 'user': 'fred', 'active': false }, * { 'user': 'pebbles', 'active': false } * ]; * * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; }); * // => 2 * * // The `_.matches` iteratee shorthand. * _.findLastIndex(users, { 'user': 'barney', 'active': true }); * // => 0 * * // The `_.matchesProperty` iteratee shorthand. * _.findLastIndex(users, ['active', false]); * // => 2 * * // The `_.property` iteratee shorthand. * _.findLastIndex(users, 'active'); * // => 0 */ function findLastIndex(array, predicate, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length - 1; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = fromIndex < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return baseFindIndex(array, getIteratee(predicate, 3), index, true); } /** * Flattens `array` a single level deep. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to flatten. * @returns {Array} Returns the new flattened array. * @example * * _.flatten([1, [2, [3, [4]], 5]]); * // => [1, 2, [3, [4]], 5] */ function flatten(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, 1) : []; } /** * Recursively flattens `array`. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to flatten. * @returns {Array} Returns the new flattened array. * @example * * _.flattenDeep([1, [2, [3, [4]], 5]]); * // => [1, 2, 3, 4, 5] */ function flattenDeep(array) { var length = array == null ? 0 : array.length; return length ? baseFlatten(array, INFINITY) : []; } /** * Recursively flatten `array` up to `depth` times. * * @static * @memberOf _ * @since 4.4.0 * @category Array * @param {Array} array The array to flatten. * @param {number} [depth=1] The maximum recursion depth. * @returns {Array} Returns the new flattened array. * @example * * var array = [1, [2, [3, [4]], 5]]; * * _.flattenDepth(array, 1); * // => [1, 2, [3, [4]], 5] * * _.flattenDepth(array, 2); * // => [1, 2, 3, [4], 5] */ function flattenDepth(array, depth) { var length = array == null ? 0 : array.length; if (!length) { return []; } depth = depth === undefined ? 1 : toInteger(depth); return baseFlatten(array, depth); } /** * The inverse of `_.toPairs`; this method returns an object composed * from key-value `pairs`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} pairs The key-value pairs. * @returns {Object} Returns the new object. * @example * * _.fromPairs([['a', 1], ['b', 2]]); * // => { 'a': 1, 'b': 2 } */ function fromPairs(pairs) { var index = -1, length = pairs == null ? 0 : pairs.length, result = {}; while (++index < length) { var pair = pairs[index]; result[pair[0]] = pair[1]; } return result; } /** * Gets the first element of `array`. * * @static * @memberOf _ * @since 0.1.0 * @alias first * @category Array * @param {Array} array The array to query. * @returns {*} Returns the first element of `array`. * @example * * _.head([1, 2, 3]); * // => 1 * * _.head([]); * // => undefined */ function head(array) { return (array && array.length) ? array[0] : undefined; } /** * Gets the index at which the first occurrence of `value` is found in `array` * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. If `fromIndex` is negative, it's used as the * offset from the end of `array`. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} [fromIndex=0] The index to search from. * @returns {number} Returns the index of the matched value, else `-1`. * @example * * _.indexOf([1, 2, 1, 2], 2); * // => 1 * * // Search from the `fromIndex`. * _.indexOf([1, 2, 1, 2], 2, 2); * // => 3 */ function indexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = fromIndex == null ? 0 : toInteger(fromIndex); if (index < 0) { index = nativeMax(length + index, 0); } return baseIndexOf(array, value, index); } /** * Gets all but the last element of `array`. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to query. * @returns {Array} Returns the slice of `array`. * @example * * _.initial([1, 2, 3]); * // => [1, 2] */ function initial(array) { var length = array == null ? 0 : array.length; return length ? baseSlice(array, 0, -1) : []; } /** * Creates an array of unique values that are included in all given arrays * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. The order and references of result values are * determined by the first array. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @returns {Array} Returns the new array of intersecting values. * @example * * _.intersection([2, 1], [2, 3]); * // => [2] */ var intersection = baseRest(function(arrays) { var mapped = arrayMap(arrays, castArrayLikeObject); return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped) : []; }); /** * This method is like `_.intersection` except that it accepts `iteratee` * which is invoked for each element of each `arrays` to generate the criterion * by which they're compared. The order and references of result values are * determined by the first array. The iteratee is invoked with one argument: * (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Array} Returns the new array of intersecting values. * @example * * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor); * // => [2.1] * * // The `_.property` iteratee shorthand. * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); * // => [{ 'x': 1 }] */ var intersectionBy = baseRest(function(arrays) { var iteratee = last(arrays), mapped = arrayMap(arrays, castArrayLikeObject); if (iteratee === last(mapped)) { iteratee = undefined; } else { mapped.pop(); } return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped, getIteratee(iteratee, 2)) : []; }); /** * This method is like `_.intersection` except that it accepts `comparator` * which is invoked to compare elements of `arrays`. The order and references * of result values are determined by the first array. The comparator is * invoked with two arguments: (arrVal, othVal). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of intersecting values. * @example * * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; * * _.intersectionWith(objects, others, _.isEqual); * // => [{ 'x': 1, 'y': 2 }] */ var intersectionWith = baseRest(function(arrays) { var comparator = last(arrays), mapped = arrayMap(arrays, castArrayLikeObject); comparator = typeof comparator == 'function' ? comparator : undefined; if (comparator) { mapped.pop(); } return (mapped.length && mapped[0] === arrays[0]) ? baseIntersection(mapped, undefined, comparator) : []; }); /** * Converts all elements in `array` into a string separated by `separator`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to convert. * @param {string} [separator=','] The element separator. * @returns {string} Returns the joined string. * @example * * _.join(['a', 'b', 'c'], '~'); * // => 'a~b~c' */ function join(array, separator) { return array == null ? '' : nativeJoin.call(array, separator); } /** * Gets the last element of `array`. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to query. * @returns {*} Returns the last element of `array`. * @example * * _.last([1, 2, 3]); * // => 3 */ function last(array) { var length = array == null ? 0 : array.length; return length ? array[length - 1] : undefined; } /** * This method is like `_.indexOf` except that it iterates over elements of * `array` from right to left. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} [fromIndex=array.length-1] The index to search from. * @returns {number} Returns the index of the matched value, else `-1`. * @example * * _.lastIndexOf([1, 2, 1, 2], 2); * // => 3 * * // Search from the `fromIndex`. * _.lastIndexOf([1, 2, 1, 2], 2, 2); * // => 1 */ function lastIndexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return value === value ? strictLastIndexOf(array, value, index) : baseFindIndex(array, baseIsNaN, index, true); } /** * Gets the element at index `n` of `array`. If `n` is negative, the nth * element from the end is returned. * * @static * @memberOf _ * @since 4.11.0 * @category Array * @param {Array} array The array to query. * @param {number} [n=0] The index of the element to return. * @returns {*} Returns the nth element of `array`. * @example * * var array = ['a', 'b', 'c', 'd']; * * _.nth(array, 1); * // => 'b' * * _.nth(array, -2); * // => 'c'; */ function nth(array, n) { return (array && array.length) ? baseNth(array, toInteger(n)) : undefined; } /** * Removes all given values from `array` using * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. * * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove` * to remove elements from an array by predicate. * * @static * @memberOf _ * @since 2.0.0 * @category Array * @param {Array} array The array to modify. * @param {...*} [values] The values to remove. * @returns {Array} Returns `array`. * @example * * var array = ['a', 'b', 'c', 'a', 'b', 'c']; * * _.pull(array, 'a', 'c'); * console.log(array); * // => ['b', 'b'] */ var pull = baseRest(pullAll); /** * This method is like `_.pull` except that it accepts an array of values to remove. * * **Note:** Unlike `_.difference`, this method mutates `array`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to modify. * @param {Array} values The values to remove. * @returns {Array} Returns `array`. * @example * * var array = ['a', 'b', 'c', 'a', 'b', 'c']; * * _.pullAll(array, ['a', 'c']); * console.log(array); * // => ['b', 'b'] */ function pullAll(array, values) { return (array && array.length && values && values.length) ? basePullAll(array, values) : array; } /** * This method is like `_.pullAll` except that it accepts `iteratee` which is * invoked for each element of `array` and `values` to generate the criterion * by which they're compared. The iteratee is invoked with one argument: (value). * * **Note:** Unlike `_.differenceBy`, this method mutates `array`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to modify. * @param {Array} values The values to remove. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Array} Returns `array`. * @example * * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }]; * * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x'); * console.log(array); * // => [{ 'x': 2 }] */ function pullAllBy(array, values, iteratee) { return (array && array.length && values && values.length) ? basePullAll(array, values, getIteratee(iteratee, 2)) : array; } /** * This method is like `_.pullAll` except that it accepts `comparator` which * is invoked to compare elements of `array` to `values`. The comparator is * invoked with two arguments: (arrVal, othVal). * * **Note:** Unlike `_.differenceWith`, this method mutates `array`. * * @static * @memberOf _ * @since 4.6.0 * @category Array * @param {Array} array The array to modify. * @param {Array} values The values to remove. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns `array`. * @example * * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }]; * * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual); * console.log(array); * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }] */ function pullAllWith(array, values, comparator) { return (array && array.length && values && values.length) ? basePullAll(array, values, undefined, comparator) : array; } /** * Removes elements from `array` corresponding to `indexes` and returns an * array of removed elements. * * **Note:** Unlike `_.at`, this method mutates `array`. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to modify. * @param {...(number|number[])} [indexes] The indexes of elements to remove. * @returns {Array} Returns the new array of removed elements. * @example * * var array = ['a', 'b', 'c', 'd']; * var pulled = _.pullAt(array, [1, 3]); * * console.log(array); * // => ['a', 'c'] * * console.log(pulled); * // => ['b', 'd'] */ var pullAt = flatRest(function(array, indexes) { var length = array == null ? 0 : array.length, result = baseAt(array, indexes); basePullAt(array, arrayMap(indexes, function(index) { return isIndex(index, length) ? +index : index; }).sort(compareAscending)); return result; }); /** * Removes all elements from `array` that `predicate` returns truthy for * and returns an array of the removed elements. The predicate is invoked * with three arguments: (value, index, array). * * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull` * to pull elements from an array by value. * * @static * @memberOf _ * @since 2.0.0 * @category Array * @param {Array} array The array to modify. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the new array of removed elements. * @example * * var array = [1, 2, 3, 4]; * var evens = _.remove(array, function(n) { * return n % 2 == 0; * }); * * console.log(array); * // => [1, 3] * * console.log(evens); * // => [2, 4] */ function remove(array, predicate) { var result = []; if (!(array && array.length)) { return result; } var index = -1, indexes = [], length = array.length; predicate = getIteratee(predicate, 3); while (++index < length) { var value = array[index]; if (predicate(value, index, array)) { result.push(value); indexes.push(index); } } basePullAt(array, indexes); return result; } /** * Reverses `array` so that the first element becomes the last, the second * element becomes the second to last, and so on. * * **Note:** This method mutates `array` and is based on * [`Array#reverse`](https://mdn.io/Array/reverse). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to modify. * @returns {Array} Returns `array`. * @example * * var array = [1, 2, 3]; * * _.reverse(array); * // => [3, 2, 1] * * console.log(array); * // => [3, 2, 1] */ function reverse(array) { return array == null ? array : nativeReverse.call(array); } /** * Creates a slice of `array` from `start` up to, but not including, `end`. * * **Note:** This method is used instead of * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are * returned. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to slice. * @param {number} [start=0] The start position. * @param {number} [end=array.length] The end position. * @returns {Array} Returns the slice of `array`. */ function slice(array, start, end) { var length = array == null ? 0 : array.length; if (!length) { return []; } if (end && typeof end != 'number' && isIterateeCall(array, start, end)) { start = 0; end = length; } else { start = start == null ? 0 : toInteger(start); end = end === undefined ? length : toInteger(end); } return baseSlice(array, start, end); } /** * Uses a binary search to determine the lowest index at which `value` * should be inserted into `array` in order to maintain its sort order. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @returns {number} Returns the index at which `value` should be inserted * into `array`. * @example * * _.sortedIndex([30, 50], 40); * // => 1 */ function sortedIndex(array, value) { return baseSortedIndex(array, value); } /** * This method is like `_.sortedIndex` except that it accepts `iteratee` * which is invoked for `value` and each element of `array` to compute their * sort ranking. The iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {number} Returns the index at which `value` should be inserted * into `array`. * @example * * var objects = [{ 'x': 4 }, { 'x': 5 }]; * * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); * // => 0 * * // The `_.property` iteratee shorthand. * _.sortedIndexBy(objects, { 'x': 4 }, 'x'); * // => 0 */ function sortedIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, getIteratee(iteratee, 2)); } /** * This method is like `_.indexOf` except that it performs a binary * search on a sorted `array`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @returns {number} Returns the index of the matched value, else `-1`. * @example * * _.sortedIndexOf([4, 5, 5, 5, 6], 5); * // => 1 */ function sortedIndexOf(array, value) { var length = array == null ? 0 : array.length; if (length) { var index = baseSortedIndex(array, value); if (index < length && eq(array[index], value)) { return index; } } return -1; } /** * This method is like `_.sortedIndex` except that it returns the highest * index at which `value` should be inserted into `array` in order to * maintain its sort order. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @returns {number} Returns the index at which `value` should be inserted * into `array`. * @example * * _.sortedLastIndex([4, 5, 5, 5, 6], 5); * // => 4 */ function sortedLastIndex(array, value) { return baseSortedIndex(array, value, true); } /** * This method is like `_.sortedLastIndex` except that it accepts `iteratee` * which is invoked for `value` and each element of `array` to compute their * sort ranking. The iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {number} Returns the index at which `value` should be inserted * into `array`. * @example * * var objects = [{ 'x': 4 }, { 'x': 5 }]; * * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); * // => 1 * * // The `_.property` iteratee shorthand. * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x'); * // => 1 */ function sortedLastIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true); } /** * This method is like `_.lastIndexOf` except that it performs a binary * search on a sorted `array`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @returns {number} Returns the index of the matched value, else `-1`. * @example * * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5); * // => 3 */ function sortedLastIndexOf(array, value) { var length = array == null ? 0 : array.length; if (length) { var index = baseSortedIndex(array, value, true) - 1; if (eq(array[index], value)) { return index; } } return -1; } /** * This method is like `_.uniq` except that it's designed and optimized * for sorted arrays. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @returns {Array} Returns the new duplicate free array. * @example * * _.sortedUniq([1, 1, 2]); * // => [1, 2] */ function sortedUniq(array) { return (array && array.length) ? baseSortedUniq(array) : []; } /** * This method is like `_.uniqBy` except that it's designed and optimized * for sorted arrays. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [iteratee] The iteratee invoked per element. * @returns {Array} Returns the new duplicate free array. * @example * * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor); * // => [1.1, 2.3] */ function sortedUniqBy(array, iteratee) { return (array && array.length) ? baseSortedUniq(array, getIteratee(iteratee, 2)) : []; } /** * Gets all but the first element of `array`. * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to query. * @returns {Array} Returns the slice of `array`. * @example * * _.tail([1, 2, 3]); * // => [2, 3] */ function tail(array) { var length = array == null ? 0 : array.length; return length ? baseSlice(array, 1, length) : []; } /** * Creates a slice of `array` with `n` elements taken from the beginning. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to query. * @param {number} [n=1] The number of elements to take. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Array} Returns the slice of `array`. * @example * * _.take([1, 2, 3]); * // => [1] * * _.take([1, 2, 3], 2); * // => [1, 2] * * _.take([1, 2, 3], 5); * // => [1, 2, 3] * * _.take([1, 2, 3], 0); * // => [] */ function take(array, n, guard) { if (!(array && array.length)) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); return baseSlice(array, 0, n < 0 ? 0 : n); } /** * Creates a slice of `array` with `n` elements taken from the end. * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to query. * @param {number} [n=1] The number of elements to take. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Array} Returns the slice of `array`. * @example * * _.takeRight([1, 2, 3]); * // => [3] * * _.takeRight([1, 2, 3], 2); * // => [2, 3] * * _.takeRight([1, 2, 3], 5); * // => [1, 2, 3] * * _.takeRight([1, 2, 3], 0); * // => [] */ function takeRight(array, n, guard) { var length = array == null ? 0 : array.length; if (!length) { return []; } n = (guard || n === undefined) ? 1 : toInteger(n); n = length - n; return baseSlice(array, n < 0 ? 0 : n, length); } /** * Creates a slice of `array` with elements taken from the end. Elements are * taken until `predicate` returns falsey. The predicate is invoked with * three arguments: (value, index, array). * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to query. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the slice of `array`. * @example * * var users = [ * { 'user': 'barney', 'active': true }, * { 'user': 'fred', 'active': false }, * { 'user': 'pebbles', 'active': false } * ]; * * _.takeRightWhile(users, function(o) { return !o.active; }); * // => objects for ['fred', 'pebbles'] * * // The `_.matches` iteratee shorthand. * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false }); * // => objects for ['pebbles'] * * // The `_.matchesProperty` iteratee shorthand. * _.takeRightWhile(users, ['active', false]); * // => objects for ['fred', 'pebbles'] * * // The `_.property` iteratee shorthand. * _.takeRightWhile(users, 'active'); * // => [] */ function takeRightWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3), false, true) : []; } /** * Creates a slice of `array` with elements taken from the beginning. Elements * are taken until `predicate` returns falsey. The predicate is invoked with * three arguments: (value, index, array). * * @static * @memberOf _ * @since 3.0.0 * @category Array * @param {Array} array The array to query. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the slice of `array`. * @example * * var users = [ * { 'user': 'barney', 'active': false }, * { 'user': 'fred', 'active': false }, * { 'user': 'pebbles', 'active': true } * ]; * * _.takeWhile(users, function(o) { return !o.active; }); * // => objects for ['barney', 'fred'] * * // The `_.matches` iteratee shorthand. * _.takeWhile(users, { 'user': 'barney', 'active': false }); * // => objects for ['barney'] * * // The `_.matchesProperty` iteratee shorthand. * _.takeWhile(users, ['active', false]); * // => objects for ['barney', 'fred'] * * // The `_.property` iteratee shorthand. * _.takeWhile(users, 'active'); * // => [] */ function takeWhile(array, predicate) { return (array && array.length) ? baseWhile(array, getIteratee(predicate, 3)) : []; } /** * Creates an array of unique values, in order, from all given arrays using * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @returns {Array} Returns the new array of combined values. * @example * * _.union([2], [1, 2]); * // => [2, 1] */ var union = baseRest(function(arrays) { return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true)); }); /** * This method is like `_.union` except that it accepts `iteratee` which is * invoked for each element of each `arrays` to generate the criterion by * which uniqueness is computed. Result values are chosen from the first * array in which the value occurs. The iteratee is invoked with one argument: * (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Array} Returns the new array of combined values. * @example * * _.unionBy([2.1], [1.2, 2.3], Math.floor); * // => [2.1, 1.2] * * // The `_.property` iteratee shorthand. * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); * // => [{ 'x': 1 }, { 'x': 2 }] */ var unionBy = baseRest(function(arrays) { var iteratee = last(arrays); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2)); }); /** * This method is like `_.union` except that it accepts `comparator` which * is invoked to compare elements of `arrays`. Result values are chosen from * the first array in which the value occurs. The comparator is invoked * with two arguments: (arrVal, othVal). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of combined values. * @example * * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; * * _.unionWith(objects, others, _.isEqual); * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] */ var unionWith = baseRest(function(arrays) { var comparator = last(arrays); comparator = typeof comparator == 'function' ? comparator : undefined; return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator); }); /** * Creates a duplicate-free version of an array, using * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons, in which only the first occurrence of each element * is kept. The order of result values is determined by the order they occur * in the array. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to inspect. * @returns {Array} Returns the new duplicate free array. * @example * * _.uniq([2, 1, 2]); * // => [2, 1] */ function uniq(array) { return (array && array.length) ? baseUniq(array) : []; } /** * This method is like `_.uniq` except that it accepts `iteratee` which is * invoked for each element in `array` to generate the criterion by which * uniqueness is computed. The order of result values is determined by the * order they occur in the array. The iteratee is invoked with one argument: * (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Array} Returns the new duplicate free array. * @example * * _.uniqBy([2.1, 1.2, 2.3], Math.floor); * // => [2.1, 1.2] * * // The `_.property` iteratee shorthand. * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x'); * // => [{ 'x': 1 }, { 'x': 2 }] */ function uniqBy(array, iteratee) { return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : []; } /** * This method is like `_.uniq` except that it accepts `comparator` which * is invoked to compare elements of `array`. The order of result values is * determined by the order they occur in the array.The comparator is invoked * with two arguments: (arrVal, othVal). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new duplicate free array. * @example * * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }]; * * _.uniqWith(objects, _.isEqual); * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }] */ function uniqWith(array, comparator) { comparator = typeof comparator == 'function' ? comparator : undefined; return (array && array.length) ? baseUniq(array, undefined, comparator) : []; } /** * This method is like `_.zip` except that it accepts an array of grouped * elements and creates an array regrouping the elements to their pre-zip * configuration. * * @static * @memberOf _ * @since 1.2.0 * @category Array * @param {Array} array The array of grouped elements to process. * @returns {Array} Returns the new array of regrouped elements. * @example * * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]); * // => [['a', 1, true], ['b', 2, false]] * * _.unzip(zipped); * // => [['a', 'b'], [1, 2], [true, false]] */ function unzip(array) { if (!(array && array.length)) { return []; } var length = 0; array = arrayFilter(array, function(group) { if (isArrayLikeObject(group)) { length = nativeMax(group.length, length); return true; } }); return baseTimes(length, function(index) { return arrayMap(array, baseProperty(index)); }); } /** * This method is like `_.unzip` except that it accepts `iteratee` to specify * how regrouped values should be combined. The iteratee is invoked with the * elements of each group: (...group). * * @static * @memberOf _ * @since 3.8.0 * @category Array * @param {Array} array The array of grouped elements to process. * @param {Function} [iteratee=_.identity] The function to combine * regrouped values. * @returns {Array} Returns the new array of regrouped elements. * @example * * var zipped = _.zip([1, 2], [10, 20], [100, 200]); * // => [[1, 10, 100], [2, 20, 200]] * * _.unzipWith(zipped, _.add); * // => [3, 30, 300] */ function unzipWith(array, iteratee) { if (!(array && array.length)) { return []; } var result = unzip(array); if (iteratee == null) { return result; } return arrayMap(result, function(group) { return apply(iteratee, undefined, group); }); } /** * Creates an array excluding all given values using * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * for equality comparisons. * * **Note:** Unlike `_.pull`, this method returns a new array. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to inspect. * @param {...*} [values] The values to exclude. * @returns {Array} Returns the new array of filtered values. * @see _.difference, _.xor * @example * * _.without([2, 1, 2, 3], 1, 2); * // => [3] */ var without = baseRest(function(array, values) { return isArrayLikeObject(array) ? baseDifference(array, values) : []; }); /** * Creates an array of unique values that is the * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference) * of the given arrays. The order of result values is determined by the order * they occur in the arrays. * * @static * @memberOf _ * @since 2.4.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @returns {Array} Returns the new array of filtered values. * @see _.difference, _.without * @example * * _.xor([2, 1], [2, 3]); * // => [1, 3] */ var xor = baseRest(function(arrays) { return baseXor(arrayFilter(arrays, isArrayLikeObject)); }); /** * This method is like `_.xor` except that it accepts `iteratee` which is * invoked for each element of each `arrays` to generate the criterion by * which by which they're compared. The order of result values is determined * by the order they occur in the arrays. The iteratee is invoked with one * argument: (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Array} Returns the new array of filtered values. * @example * * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor); * // => [1.2, 3.4] * * // The `_.property` iteratee shorthand. * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); * // => [{ 'x': 2 }] */ var xorBy = baseRest(function(arrays) { var iteratee = last(arrays); if (isArrayLikeObject(iteratee)) { iteratee = undefined; } return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2)); }); /** * This method is like `_.xor` except that it accepts `comparator` which is * invoked to compare elements of `arrays`. The order of result values is * determined by the order they occur in the arrays. The comparator is invoked * with two arguments: (arrVal, othVal). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {...Array} [arrays] The arrays to inspect. * @param {Function} [comparator] The comparator invoked per element. * @returns {Array} Returns the new array of filtered values. * @example * * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]; * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }]; * * _.xorWith(objects, others, _.isEqual); * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }] */ var xorWith = baseRest(function(arrays) { var comparator = last(arrays); comparator = typeof comparator == 'function' ? comparator : undefined; return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator); }); /** * Creates an array of grouped elements, the first of which contains the * first elements of the given arrays, the second of which contains the * second elements of the given arrays, and so on. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {...Array} [arrays] The arrays to process. * @returns {Array} Returns the new array of grouped elements. * @example * * _.zip(['a', 'b'], [1, 2], [true, false]); * // => [['a', 1, true], ['b', 2, false]] */ var zip = baseRest(unzip); /** * This method is like `_.fromPairs` except that it accepts two arrays, * one of property identifiers and one of corresponding values. * * @static * @memberOf _ * @since 0.4.0 * @category Array * @param {Array} [props=[]] The property identifiers. * @param {Array} [values=[]] The property values. * @returns {Object} Returns the new object. * @example * * _.zipObject(['a', 'b'], [1, 2]); * // => { 'a': 1, 'b': 2 } */ function zipObject(props, values) { return baseZipObject(props || [], values || [], assignValue); } /** * This method is like `_.zipObject` except that it supports property paths. * * @static * @memberOf _ * @since 4.1.0 * @category Array * @param {Array} [props=[]] The property identifiers. * @param {Array} [values=[]] The property values. * @returns {Object} Returns the new object. * @example * * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]); * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } } */ function zipObjectDeep(props, values) { return baseZipObject(props || [], values || [], baseSet); } /** * This method is like `_.zip` except that it accepts `iteratee` to specify * how grouped values should be combined. The iteratee is invoked with the * elements of each group: (...group). * * @static * @memberOf _ * @since 3.8.0 * @category Array * @param {...Array} [arrays] The arrays to process. * @param {Function} [iteratee=_.identity] The function to combine * grouped values. * @returns {Array} Returns the new array of grouped elements. * @example * * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) { * return a + b + c; * }); * // => [111, 222] */ var zipWith = baseRest(function(arrays) { var length = arrays.length, iteratee = length > 1 ? arrays[length - 1] : undefined; iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined; return unzipWith(arrays, iteratee); }); /*------------------------------------------------------------------------*/ /** * Creates a `lodash` wrapper instance that wraps `value` with explicit method * chain sequences enabled. The result of such sequences must be unwrapped * with `_#value`. * * @static * @memberOf _ * @since 1.3.0 * @category Seq * @param {*} value The value to wrap. * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * var users = [ * { 'user': 'barney', 'age': 36 }, * { 'user': 'fred', 'age': 40 }, * { 'user': 'pebbles', 'age': 1 } * ]; * * var youngest = _ * .chain(users) * .sortBy('age') * .map(function(o) { * return o.user + ' is ' + o.age; * }) * .head() * .value(); * // => 'pebbles is 1' */ function chain(value) { var result = lodash(value); result.__chain__ = true; return result; } /** * This method invokes `interceptor` and returns `value`. The interceptor * is invoked with one argument; (value). The purpose of this method is to * "tap into" a method chain sequence in order to modify intermediate results. * * @static * @memberOf _ * @since 0.1.0 * @category Seq * @param {*} value The value to provide to `interceptor`. * @param {Function} interceptor The function to invoke. * @returns {*} Returns `value`. * @example * * _([1, 2, 3]) * .tap(function(array) { * // Mutate input array. * array.pop(); * }) * .reverse() * .value(); * // => [2, 1] */ function tap(value, interceptor) { interceptor(value); return value; } /** * This method is like `_.tap` except that it returns the result of `interceptor`. * The purpose of this method is to "pass thru" values replacing intermediate * results in a method chain sequence. * * @static * @memberOf _ * @since 3.0.0 * @category Seq * @param {*} value The value to provide to `interceptor`. * @param {Function} interceptor The function to invoke. * @returns {*} Returns the result of `interceptor`. * @example * * _(' abc ') * .chain() * .trim() * .thru(function(value) { * return [value]; * }) * .value(); * // => ['abc'] */ function thru(value, interceptor) { return interceptor(value); } /** * This method is the wrapper version of `_.at`. * * @name at * @memberOf _ * @since 1.0.0 * @category Seq * @param {...(string|string[])} [paths] The property paths to pick. * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; * * _(object).at(['a[0].b.c', 'a[1]']).value(); * // => [3, 4] */ var wrapperAt = flatRest(function(paths) { var length = paths.length, start = length ? paths[0] : 0, value = this.__wrapped__, interceptor = function(object) { return baseAt(object, paths); }; if (length > 1 || this.__actions__.length || !(value instanceof LazyWrapper) || !isIndex(start)) { return this.thru(interceptor); } value = value.slice(start, +start + (length ? 1 : 0)); value.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined }); return new LodashWrapper(value, this.__chain__).thru(function(array) { if (length && !array.length) { array.push(undefined); } return array; }); }); /** * Creates a `lodash` wrapper instance with explicit method chain sequences enabled. * * @name chain * @memberOf _ * @since 0.1.0 * @category Seq * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * var users = [ * { 'user': 'barney', 'age': 36 }, * { 'user': 'fred', 'age': 40 } * ]; * * // A sequence without explicit chaining. * _(users).head(); * // => { 'user': 'barney', 'age': 36 } * * // A sequence with explicit chaining. * _(users) * .chain() * .head() * .pick('user') * .value(); * // => { 'user': 'barney' } */ function wrapperChain() { return chain(this); } /** * Executes the chain sequence and returns the wrapped result. * * @name commit * @memberOf _ * @since 3.2.0 * @category Seq * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * var array = [1, 2]; * var wrapped = _(array).push(3); * * console.log(array); * // => [1, 2] * * wrapped = wrapped.commit(); * console.log(array); * // => [1, 2, 3] * * wrapped.last(); * // => 3 * * console.log(array); * // => [1, 2, 3] */ function wrapperCommit() { return new LodashWrapper(this.value(), this.__chain__); } /** * Gets the next value on a wrapped object following the * [iterator protocol](https://mdn.io/iteration_protocols#iterator). * * @name next * @memberOf _ * @since 4.0.0 * @category Seq * @returns {Object} Returns the next iterator value. * @example * * var wrapped = _([1, 2]); * * wrapped.next(); * // => { 'done': false, 'value': 1 } * * wrapped.next(); * // => { 'done': false, 'value': 2 } * * wrapped.next(); * // => { 'done': true, 'value': undefined } */ function wrapperNext() { if (this.__values__ === undefined) { this.__values__ = toArray(this.value()); } var done = this.__index__ >= this.__values__.length, value = done ? undefined : this.__values__[this.__index__++]; return { 'done': done, 'value': value }; } /** * Enables the wrapper to be iterable. * * @name Symbol.iterator * @memberOf _ * @since 4.0.0 * @category Seq * @returns {Object} Returns the wrapper object. * @example * * var wrapped = _([1, 2]); * * wrapped[Symbol.iterator]() === wrapped; * // => true * * Array.from(wrapped); * // => [1, 2] */ function wrapperToIterator() { return this; } /** * Creates a clone of the chain sequence planting `value` as the wrapped value. * * @name plant * @memberOf _ * @since 3.2.0 * @category Seq * @param {*} value The value to plant. * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * function square(n) { * return n * n; * } * * var wrapped = _([1, 2]).map(square); * var other = wrapped.plant([3, 4]); * * other.value(); * // => [9, 16] * * wrapped.value(); * // => [1, 4] */ function wrapperPlant(value) { var result, parent = this; while (parent instanceof baseLodash) { var clone = wrapperClone(parent); clone.__index__ = 0; clone.__values__ = undefined; if (result) { previous.__wrapped__ = clone; } else { result = clone; } var previous = clone; parent = parent.__wrapped__; } previous.__wrapped__ = value; return result; } /** * This method is the wrapper version of `_.reverse`. * * **Note:** This method mutates the wrapped array. * * @name reverse * @memberOf _ * @since 0.1.0 * @category Seq * @returns {Object} Returns the new `lodash` wrapper instance. * @example * * var array = [1, 2, 3]; * * _(array).reverse().value() * // => [3, 2, 1] * * console.log(array); * // => [3, 2, 1] */ function wrapperReverse() { var value = this.__wrapped__; if (value instanceof LazyWrapper) { var wrapped = value; if (this.__actions__.length) { wrapped = new LazyWrapper(this); } wrapped = wrapped.reverse(); wrapped.__actions__.push({ 'func': thru, 'args': [reverse], 'thisArg': undefined }); return new LodashWrapper(wrapped, this.__chain__); } return this.thru(reverse); } /** * Executes the chain sequence to resolve the unwrapped value. * * @name value * @memberOf _ * @since 0.1.0 * @alias toJSON, valueOf * @category Seq * @returns {*} Returns the resolved unwrapped value. * @example * * _([1, 2, 3]).value(); * // => [1, 2, 3] */ function wrapperValue() { return baseWrapperValue(this.__wrapped__, this.__actions__); } /*------------------------------------------------------------------------*/ /** * Creates an object composed of keys generated from the results of running * each element of `collection` thru `iteratee`. The corresponding value of * each key is the number of times the key was returned by `iteratee`. The * iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 0.5.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The iteratee to transform keys. * @returns {Object} Returns the composed aggregate object. * @example * * _.countBy([6.1, 4.2, 6.3], Math.floor); * // => { '4': 1, '6': 2 } * * // The `_.property` iteratee shorthand. * _.countBy(['one', 'two', 'three'], 'length'); * // => { '3': 2, '5': 1 } */ var countBy = createAggregator(function(result, value, key) { if (hasOwnProperty.call(result, key)) { ++result[key]; } else { baseAssignValue(result, key, 1); } }); /** * Checks if `predicate` returns truthy for **all** elements of `collection`. * Iteration is stopped once `predicate` returns falsey. The predicate is * invoked with three arguments: (value, index|key, collection). * * **Note:** This method returns `true` for * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of * elements of empty collections. * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {boolean} Returns `true` if all elements pass the predicate check, * else `false`. * @example * * _.every([true, 1, null, 'yes'], Boolean); * // => false * * var users = [ * { 'user': 'barney', 'age': 36, 'active': false }, * { 'user': 'fred', 'age': 40, 'active': false } * ]; * * // The `_.matches` iteratee shorthand. * _.every(users, { 'user': 'barney', 'active': false }); * // => false * * // The `_.matchesProperty` iteratee shorthand. * _.every(users, ['active', false]); * // => true * * // The `_.property` iteratee shorthand. * _.every(users, 'active'); * // => false */ function every(collection, predicate, guard) { var func = isArray(collection) ? arrayEvery : baseEvery; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, getIteratee(predicate, 3)); } /** * Iterates over elements of `collection`, returning an array of all elements * `predicate` returns truthy for. The predicate is invoked with three * arguments: (value, index|key, collection). * * **Note:** Unlike `_.remove`, this method returns a new array. * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the new filtered array. * @see _.reject * @example * * var users = [ * { 'user': 'barney', 'age': 36, 'active': true }, * { 'user': 'fred', 'age': 40, 'active': false } * ]; * * _.filter(users, function(o) { return !o.active; }); * // => objects for ['fred'] * * // The `_.matches` iteratee shorthand. * _.filter(users, { 'age': 36, 'active': true }); * // => objects for ['barney'] * * // The `_.matchesProperty` iteratee shorthand. * _.filter(users, ['active', false]); * // => objects for ['fred'] * * // The `_.property` iteratee shorthand. * _.filter(users, 'active'); * // => objects for ['barney'] * * // Combining several predicates using `_.overEvery` or `_.overSome`. * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]])); * // => objects for ['fred', 'barney'] */ function filter(collection, predicate) { var func = isArray(collection) ? arrayFilter : baseFilter; return func(collection, getIteratee(predicate, 3)); } /** * Iterates over elements of `collection`, returning the first element * `predicate` returns truthy for. The predicate is invoked with three * arguments: (value, index|key, collection). * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param {number} [fromIndex=0] The index to search from. * @returns {*} Returns the matched element, else `undefined`. * @example * * var users = [ * { 'user': 'barney', 'age': 36, 'active': true }, * { 'user': 'fred', 'age': 40, 'active': false }, * { 'user': 'pebbles', 'age': 1, 'active': true } * ]; * * _.find(users, function(o) { return o.age < 40; }); * // => object for 'barney' * * // The `_.matches` iteratee shorthand. * _.find(users, { 'age': 1, 'active': true }); * // => object for 'pebbles' * * // The `_.matchesProperty` iteratee shorthand. * _.find(users, ['active', false]); * // => object for 'fred' * * // The `_.property` iteratee shorthand. * _.find(users, 'active'); * // => object for 'barney' */ var find = createFind(findIndex); /** * This method is like `_.find` except that it iterates over elements of * `collection` from right to left. * * @static * @memberOf _ * @since 2.0.0 * @category Collection * @param {Array|Object} collection The collection to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param {number} [fromIndex=collection.length-1] The index to search from. * @returns {*} Returns the matched element, else `undefined`. * @example * * _.findLast([1, 2, 3, 4], function(n) { * return n % 2 == 1; * }); * // => 3 */ var findLast = createFind(findLastIndex); /** * Creates a flattened array of values by running each element in `collection` * thru `iteratee` and flattening the mapped results. The iteratee is invoked * with three arguments: (value, index|key, collection). * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array} Returns the new flattened array. * @example * * function duplicate(n) { * return [n, n]; * } * * _.flatMap([1, 2], duplicate); * // => [1, 1, 2, 2] */ function flatMap(collection, iteratee) { return baseFlatten(map(collection, iteratee), 1); } /** * This method is like `_.flatMap` except that it recursively flattens the * mapped results. * * @static * @memberOf _ * @since 4.7.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array} Returns the new flattened array. * @example * * function duplicate(n) { * return [[[n, n]]]; * } * * _.flatMapDeep([1, 2], duplicate); * // => [1, 1, 2, 2] */ function flatMapDeep(collection, iteratee) { return baseFlatten(map(collection, iteratee), INFINITY); } /** * This method is like `_.flatMap` except that it recursively flattens the * mapped results up to `depth` times. * * @static * @memberOf _ * @since 4.7.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @param {number} [depth=1] The maximum recursion depth. * @returns {Array} Returns the new flattened array. * @example * * function duplicate(n) { * return [[[n, n]]]; * } * * _.flatMapDepth([1, 2], duplicate, 2); * // => [[1, 1], [2, 2]] */ function flatMapDepth(collection, iteratee, depth) { depth = depth === undefined ? 1 : toInteger(depth); return baseFlatten(map(collection, iteratee), depth); } /** * Iterates over elements of `collection` and invokes `iteratee` for each element. * The iteratee is invoked with three arguments: (value, index|key, collection). * Iteratee functions may exit iteration early by explicitly returning `false`. * * **Note:** As with other "Collections" methods, objects with a "length" * property are iterated like arrays. To avoid this behavior use `_.forIn` * or `_.forOwn` for object iteration. * * @static * @memberOf _ * @since 0.1.0 * @alias each * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array|Object} Returns `collection`. * @see _.forEachRight * @example * * _.forEach([1, 2], function(value) { * console.log(value); * }); * // => Logs `1` then `2`. * * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) { * console.log(key); * }); * // => Logs 'a' then 'b' (iteration order is not guaranteed). */ function forEach(collection, iteratee) { var func = isArray(collection) ? arrayEach : baseEach; return func(collection, getIteratee(iteratee, 3)); } /** * This method is like `_.forEach` except that it iterates over elements of * `collection` from right to left. * * @static * @memberOf _ * @since 2.0.0 * @alias eachRight * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array|Object} Returns `collection`. * @see _.forEach * @example * * _.forEachRight([1, 2], function(value) { * console.log(value); * }); * // => Logs `2` then `1`. */ function forEachRight(collection, iteratee) { var func = isArray(collection) ? arrayEachRight : baseEachRight; return func(collection, getIteratee(iteratee, 3)); } /** * Creates an object composed of keys generated from the results of running * each element of `collection` thru `iteratee`. The order of grouped values * is determined by the order they occur in `collection`. The corresponding * value of each key is an array of elements responsible for generating the * key. The iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The iteratee to transform keys. * @returns {Object} Returns the composed aggregate object. * @example * * _.groupBy([6.1, 4.2, 6.3], Math.floor); * // => { '4': [4.2], '6': [6.1, 6.3] } * * // The `_.property` iteratee shorthand. * _.groupBy(['one', 'two', 'three'], 'length'); * // => { '3': ['one', 'two'], '5': ['three'] } */ var groupBy = createAggregator(function(result, value, key) { if (hasOwnProperty.call(result, key)) { result[key].push(value); } else { baseAssignValue(result, key, [value]); } }); /** * Checks if `value` is in `collection`. If `collection` is a string, it's * checked for a substring of `value`, otherwise * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * is used for equality comparisons. If `fromIndex` is negative, it's used as * the offset from the end of `collection`. * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object|string} collection The collection to inspect. * @param {*} value The value to search for. * @param {number} [fromIndex=0] The index to search from. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. * @returns {boolean} Returns `true` if `value` is found, else `false`. * @example * * _.includes([1, 2, 3], 1); * // => true * * _.includes([1, 2, 3], 1, 2); * // => false * * _.includes({ 'a': 1, 'b': 2 }, 1); * // => true * * _.includes('abcd', 'bc'); * // => true */ function includes(collection, value, fromIndex, guard) { collection = isArrayLike(collection) ? collection : values(collection); fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0; var length = collection.length; if (fromIndex < 0) { fromIndex = nativeMax(length + fromIndex, 0); } return isString(collection) ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1) : (!!length && baseIndexOf(collection, value, fromIndex) > -1); } /** * Invokes the method at `path` of each element in `collection`, returning * an array of the results of each invoked method. Any additional arguments * are provided to each invoked method. If `path` is a function, it's invoked * for, and `this` bound to, each element in `collection`. * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Array|Function|string} path The path of the method to invoke or * the function invoked per iteration. * @param {...*} [args] The arguments to invoke each method with. * @returns {Array} Returns the array of results. * @example * * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort'); * // => [[1, 5, 7], [1, 2, 3]] * * _.invokeMap([123, 456], String.prototype.split, ''); * // => [['1', '2', '3'], ['4', '5', '6']] */ var invokeMap = baseRest(function(collection, path, args) { var index = -1, isFunc = typeof path == 'function', result = isArrayLike(collection) ? Array(collection.length) : []; baseEach(collection, function(value) { result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args); }); return result; }); /** * Creates an object composed of keys generated from the results of running * each element of `collection` thru `iteratee`. The corresponding value of * each key is the last element responsible for generating the key. The * iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The iteratee to transform keys. * @returns {Object} Returns the composed aggregate object. * @example * * var array = [ * { 'dir': 'left', 'code': 97 }, * { 'dir': 'right', 'code': 100 } * ]; * * _.keyBy(array, function(o) { * return String.fromCharCode(o.code); * }); * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } } * * _.keyBy(array, 'dir'); * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } } */ var keyBy = createAggregator(function(result, value, key) { baseAssignValue(result, key, value); }); /** * Creates an array of values by running each element in `collection` thru * `iteratee`. The iteratee is invoked with three arguments: * (value, index|key, collection). * * Many lodash methods are guarded to work as iteratees for methods like * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`. * * The guarded methods are: * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`, * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`, * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`, * `template`, `trim`, `trimEnd`, `trimStart`, and `words` * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Array} Returns the new mapped array. * @example * * function square(n) { * return n * n; * } * * _.map([4, 8], square); * // => [16, 64] * * _.map({ 'a': 4, 'b': 8 }, square); * // => [16, 64] (iteration order is not guaranteed) * * var users = [ * { 'user': 'barney' }, * { 'user': 'fred' } * ]; * * // The `_.property` iteratee shorthand. * _.map(users, 'user'); * // => ['barney', 'fred'] */ function map(collection, iteratee) { var func = isArray(collection) ? arrayMap : baseMap; return func(collection, getIteratee(iteratee, 3)); } /** * This method is like `_.sortBy` except that it allows specifying the sort * orders of the iteratees to sort by. If `orders` is unspecified, all values * are sorted in ascending order. Otherwise, specify an order of "desc" for * descending or "asc" for ascending sort order of corresponding values. * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]] * The iteratees to sort by. * @param {string[]} [orders] The sort orders of `iteratees`. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`. * @returns {Array} Returns the new sorted array. * @example * * var users = [ * { 'user': 'fred', 'age': 48 }, * { 'user': 'barney', 'age': 34 }, * { 'user': 'fred', 'age': 40 }, * { 'user': 'barney', 'age': 36 } * ]; * * // Sort by `user` in ascending order and by `age` in descending order. * _.orderBy(users, ['user', 'age'], ['asc', 'desc']); * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]] */ function orderBy(collection, iteratees, orders, guard) { if (collection == null) { return []; } if (!isArray(iteratees)) { iteratees = iteratees == null ? [] : [iteratees]; } orders = guard ? undefined : orders; if (!isArray(orders)) { orders = orders == null ? [] : [orders]; } return baseOrderBy(collection, iteratees, orders); } /** * Creates an array of elements split into two groups, the first of which * contains elements `predicate` returns truthy for, the second of which * contains elements `predicate` returns falsey for. The predicate is * invoked with one argument: (value). * * @static * @memberOf _ * @since 3.0.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the array of grouped elements. * @example * * var users = [ * { 'user': 'barney', 'age': 36, 'active': false }, * { 'user': 'fred', 'age': 40, 'active': true }, * { 'user': 'pebbles', 'age': 1, 'active': false } * ]; * * _.partition(users, function(o) { return o.active; }); * // => objects for [['fred'], ['barney', 'pebbles']] * * // The `_.matches` iteratee shorthand. * _.partition(users, { 'age': 1, 'active': false }); * // => objects for [['pebbles'], ['barney', 'fred']] * * // The `_.matchesProperty` iteratee shorthand. * _.partition(users, ['active', false]); * // => objects for [['barney', 'pebbles'], ['fred']] * * // The `_.property` iteratee shorthand. * _.partition(users, 'active'); * // => objects for [['fred'], ['barney', 'pebbles']] */ var partition = createAggregator(function(result, value, key) { result[key ? 0 : 1].push(value); }, function() { return [[], []]; }); /** * Reduces `collection` to a value which is the accumulated result of running * each element in `collection` thru `iteratee`, where each successive * invocation is supplied the return value of the previous. If `accumulator` * is not given, the first element of `collection` is used as the initial * value. The iteratee is invoked with four arguments: * (accumulator, value, index|key, collection). * * Many lodash methods are guarded to work as iteratees for methods like * `_.reduce`, `_.reduceRight`, and `_.transform`. * * The guarded methods are: * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`, * and `sortBy` * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @param {*} [accumulator] The initial value. * @returns {*} Returns the accumulated value. * @see _.reduceRight * @example * * _.reduce([1, 2], function(sum, n) { * return sum + n; * }, 0); * // => 3 * * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { * (result[value] || (result[value] = [])).push(key); * return result; * }, {}); * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed) */ function reduce(collection, iteratee, accumulator) { var func = isArray(collection) ? arrayReduce : baseReduce, initAccum = arguments.length < 3; return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach); } /** * This method is like `_.reduce` except that it iterates over elements of * `collection` from right to left. * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @param {*} [accumulator] The initial value. * @returns {*} Returns the accumulated value. * @see _.reduce * @example * * var array = [[0, 1], [2, 3], [4, 5]]; * * _.reduceRight(array, function(flattened, other) { * return flattened.concat(other); * }, []); * // => [4, 5, 2, 3, 0, 1] */ function reduceRight(collection, iteratee, accumulator) { var func = isArray(collection) ? arrayReduceRight : baseReduce, initAccum = arguments.length < 3; return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight); } /** * The opposite of `_.filter`; this method returns the elements of `collection` * that `predicate` does **not** return truthy for. * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {Array} Returns the new filtered array. * @see _.filter * @example * * var users = [ * { 'user': 'barney', 'age': 36, 'active': false }, * { 'user': 'fred', 'age': 40, 'active': true } * ]; * * _.reject(users, function(o) { return !o.active; }); * // => objects for ['fred'] * * // The `_.matches` iteratee shorthand. * _.reject(users, { 'age': 40, 'active': true }); * // => objects for ['barney'] * * // The `_.matchesProperty` iteratee shorthand. * _.reject(users, ['active', false]); * // => objects for ['fred'] * * // The `_.property` iteratee shorthand. * _.reject(users, 'active'); * // => objects for ['barney'] */ function reject(collection, predicate) { var func = isArray(collection) ? arrayFilter : baseFilter; return func(collection, negate(getIteratee(predicate, 3))); } /** * Gets a random element from `collection`. * * @static * @memberOf _ * @since 2.0.0 * @category Collection * @param {Array|Object} collection The collection to sample. * @returns {*} Returns the random element. * @example * * _.sample([1, 2, 3, 4]); * // => 2 */ function sample(collection) { var func = isArray(collection) ? arraySample : baseSample; return func(collection); } /** * Gets `n` random elements at unique keys from `collection` up to the * size of `collection`. * * @static * @memberOf _ * @since 4.0.0 * @category Collection * @param {Array|Object} collection The collection to sample. * @param {number} [n=1] The number of elements to sample. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Array} Returns the random elements. * @example * * _.sampleSize([1, 2, 3], 2); * // => [3, 1] * * _.sampleSize([1, 2, 3], 4); * // => [2, 3, 1] */ function sampleSize(collection, n, guard) { if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) { n = 1; } else { n = toInteger(n); } var func = isArray(collection) ? arraySampleSize : baseSampleSize; return func(collection, n); } /** * Creates an array of shuffled values, using a version of the * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle). * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to shuffle. * @returns {Array} Returns the new shuffled array. * @example * * _.shuffle([1, 2, 3, 4]); * // => [4, 1, 3, 2] */ function shuffle(collection) { var func = isArray(collection) ? arrayShuffle : baseShuffle; return func(collection); } /** * Gets the size of `collection` by returning its length for array-like * values or the number of own enumerable string keyed properties for objects. * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object|string} collection The collection to inspect. * @returns {number} Returns the collection size. * @example * * _.size([1, 2, 3]); * // => 3 * * _.size({ 'a': 1, 'b': 2 }); * // => 2 * * _.size('pebbles'); * // => 7 */ function size(collection) { if (collection == null) { return 0; } if (isArrayLike(collection)) { return isString(collection) ? stringSize(collection) : collection.length; } var tag = getTag(collection); if (tag == mapTag || tag == setTag) { return collection.size; } return baseKeys(collection).length; } /** * Checks if `predicate` returns truthy for **any** element of `collection`. * Iteration is stopped once `predicate` returns truthy. The predicate is * invoked with three arguments: (value, index|key, collection). * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {boolean} Returns `true` if any element passes the predicate check, * else `false`. * @example * * _.some([null, 0, 'yes', false], Boolean); * // => true * * var users = [ * { 'user': 'barney', 'active': true }, * { 'user': 'fred', 'active': false } * ]; * * // The `_.matches` iteratee shorthand. * _.some(users, { 'user': 'barney', 'active': false }); * // => false * * // The `_.matchesProperty` iteratee shorthand. * _.some(users, ['active', false]); * // => true * * // The `_.property` iteratee shorthand. * _.some(users, 'active'); * // => true */ function some(collection, predicate, guard) { var func = isArray(collection) ? arraySome : baseSome; if (guard && isIterateeCall(collection, predicate, guard)) { predicate = undefined; } return func(collection, getIteratee(predicate, 3)); } /** * Creates an array of elements, sorted in ascending order by the results of * running each element in a collection thru each iteratee. This method * performs a stable sort, that is, it preserves the original sort order of * equal elements. The iteratees are invoked with one argument: (value). * * @static * @memberOf _ * @since 0.1.0 * @category Collection * @param {Array|Object} collection The collection to iterate over. * @param {...(Function|Function[])} [iteratees=[_.identity]] * The iteratees to sort by. * @returns {Array} Returns the new sorted array. * @example * * var users = [ * { 'user': 'fred', 'age': 48 }, * { 'user': 'barney', 'age': 36 }, * { 'user': 'fred', 'age': 30 }, * { 'user': 'barney', 'age': 34 } * ]; * * _.sortBy(users, [function(o) { return o.user; }]); * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]] * * _.sortBy(users, ['user', 'age']); * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]] */ var sortBy = baseRest(function(collection, iteratees) { if (collection == null) { return []; } var length = iteratees.length; if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) { iteratees = []; } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) { iteratees = [iteratees[0]]; } return baseOrderBy(collection, baseFlatten(iteratees, 1), []); }); /*------------------------------------------------------------------------*/ /** * Gets the timestamp of the number of milliseconds that have elapsed since * the Unix epoch (1 January 1970 00:00:00 UTC). * * @static * @memberOf _ * @since 2.4.0 * @category Date * @returns {number} Returns the timestamp. * @example * * _.defer(function(stamp) { * console.log(_.now() - stamp); * }, _.now()); * // => Logs the number of milliseconds it took for the deferred invocation. */ var now = ctxNow || function() { return root.Date.now(); }; /*------------------------------------------------------------------------*/ /** * The opposite of `_.before`; this method creates a function that invokes * `func` once it's called `n` or more times. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {number} n The number of calls before `func` is invoked. * @param {Function} func The function to restrict. * @returns {Function} Returns the new restricted function. * @example * * var saves = ['profile', 'settings']; * * var done = _.after(saves.length, function() { * console.log('done saving!'); * }); * * _.forEach(saves, function(type) { * asyncSave({ 'type': type, 'complete': done }); * }); * // => Logs 'done saving!' after the two async saves have completed. */ function after(n, func) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } n = toInteger(n); return function() { if (--n < 1) { return func.apply(this, arguments); } }; } /** * Creates a function that invokes `func`, with up to `n` arguments, * ignoring any additional arguments. * * @static * @memberOf _ * @since 3.0.0 * @category Function * @param {Function} func The function to cap arguments for. * @param {number} [n=func.length] The arity cap. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Function} Returns the new capped function. * @example * * _.map(['6', '8', '10'], _.ary(parseInt, 1)); * // => [6, 8, 10] */ function ary(func, n, guard) { n = guard ? undefined : n; n = (func && n == null) ? func.length : n; return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n); } /** * Creates a function that invokes `func`, with the `this` binding and arguments * of the created function, while it's called less than `n` times. Subsequent * calls to the created function return the result of the last `func` invocation. * * @static * @memberOf _ * @since 3.0.0 * @category Function * @param {number} n The number of calls at which `func` is no longer invoked. * @param {Function} func The function to restrict. * @returns {Function} Returns the new restricted function. * @example * * jQuery(element).on('click', _.before(5, addContactToList)); * // => Allows adding up to 4 contacts to the list. */ function before(n, func) { var result; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } n = toInteger(n); return function() { if (--n > 0) { result = func.apply(this, arguments); } if (n <= 1) { func = undefined; } return result; }; } /** * Creates a function that invokes `func` with the `this` binding of `thisArg` * and `partials` prepended to the arguments it receives. * * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds, * may be used as a placeholder for partially applied arguments. * * **Note:** Unlike native `Function#bind`, this method doesn't set the "length" * property of bound functions. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to bind. * @param {*} thisArg The `this` binding of `func`. * @param {...*} [partials] The arguments to be partially applied. * @returns {Function} Returns the new bound function. * @example * * function greet(greeting, punctuation) { * return greeting + ' ' + this.user + punctuation; * } * * var object = { 'user': 'fred' }; * * var bound = _.bind(greet, object, 'hi'); * bound('!'); * // => 'hi fred!' * * // Bound with placeholders. * var bound = _.bind(greet, object, _, '!'); * bound('hi'); * // => 'hi fred!' */ var bind = baseRest(function(func, thisArg, partials) { var bitmask = WRAP_BIND_FLAG; if (partials.length) { var holders = replaceHolders(partials, getHolder(bind)); bitmask |= WRAP_PARTIAL_FLAG; } return createWrap(func, bitmask, thisArg, partials, holders); }); /** * Creates a function that invokes the method at `object[key]` with `partials` * prepended to the arguments it receives. * * This method differs from `_.bind` by allowing bound functions to reference * methods that may be redefined or don't yet exist. See * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern) * for more details. * * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic * builds, may be used as a placeholder for partially applied arguments. * * @static * @memberOf _ * @since 0.10.0 * @category Function * @param {Object} object The object to invoke the method on. * @param {string} key The key of the method. * @param {...*} [partials] The arguments to be partially applied. * @returns {Function} Returns the new bound function. * @example * * var object = { * 'user': 'fred', * 'greet': function(greeting, punctuation) { * return greeting + ' ' + this.user + punctuation; * } * }; * * var bound = _.bindKey(object, 'greet', 'hi'); * bound('!'); * // => 'hi fred!' * * object.greet = function(greeting, punctuation) { * return greeting + 'ya ' + this.user + punctuation; * }; * * bound('!'); * // => 'hiya fred!' * * // Bound with placeholders. * var bound = _.bindKey(object, 'greet', _, '!'); * bound('hi'); * // => 'hiya fred!' */ var bindKey = baseRest(function(object, key, partials) { var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG; if (partials.length) { var holders = replaceHolders(partials, getHolder(bindKey)); bitmask |= WRAP_PARTIAL_FLAG; } return createWrap(key, bitmask, object, partials, holders); }); /** * Creates a function that accepts arguments of `func` and either invokes * `func` returning its result, if at least `arity` number of arguments have * been provided, or returns a function that accepts the remaining `func` * arguments, and so on. The arity of `func` may be specified if `func.length` * is not sufficient. * * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds, * may be used as a placeholder for provided arguments. * * **Note:** This method doesn't set the "length" property of curried functions. * * @static * @memberOf _ * @since 2.0.0 * @category Function * @param {Function} func The function to curry. * @param {number} [arity=func.length] The arity of `func`. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Function} Returns the new curried function. * @example * * var abc = function(a, b, c) { * return [a, b, c]; * }; * * var curried = _.curry(abc); * * curried(1)(2)(3); * // => [1, 2, 3] * * curried(1, 2)(3); * // => [1, 2, 3] * * curried(1, 2, 3); * // => [1, 2, 3] * * // Curried with placeholders. * curried(1)(_, 3)(2); * // => [1, 2, 3] */ function curry(func, arity, guard) { arity = guard ? undefined : arity; var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity); result.placeholder = curry.placeholder; return result; } /** * This method is like `_.curry` except that arguments are applied to `func` * in the manner of `_.partialRight` instead of `_.partial`. * * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic * builds, may be used as a placeholder for provided arguments. * * **Note:** This method doesn't set the "length" property of curried functions. * * @static * @memberOf _ * @since 3.0.0 * @category Function * @param {Function} func The function to curry. * @param {number} [arity=func.length] The arity of `func`. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Function} Returns the new curried function. * @example * * var abc = function(a, b, c) { * return [a, b, c]; * }; * * var curried = _.curryRight(abc); * * curried(3)(2)(1); * // => [1, 2, 3] * * curried(2, 3)(1); * // => [1, 2, 3] * * curried(1, 2, 3); * // => [1, 2, 3] * * // Curried with placeholders. * curried(3)(1, _)(2); * // => [1, 2, 3] */ function curryRight(func, arity, guard) { arity = guard ? undefined : arity; var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity); result.placeholder = curryRight.placeholder; return result; } /** * Creates a debounced function that delays invoking `func` until after `wait` * milliseconds have elapsed since the last time the debounced function was * invoked. The debounced function comes with a `cancel` method to cancel * delayed `func` invocations and a `flush` method to immediately invoke them. * Provide `options` to indicate whether `func` should be invoked on the * leading and/or trailing edge of the `wait` timeout. The `func` is invoked * with the last arguments provided to the debounced function. Subsequent * calls to the debounced function return the result of the last `func` * invocation. * * **Note:** If `leading` and `trailing` options are `true`, `func` is * invoked on the trailing edge of the timeout only if the debounced function * is invoked more than once during the `wait` timeout. * * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred * until to the next tick, similar to `setTimeout` with a timeout of `0`. * * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) * for details over the differences between `_.debounce` and `_.throttle`. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to debounce. * @param {number} [wait=0] The number of milliseconds to delay. * @param {Object} [options={}] The options object. * @param {boolean} [options.leading=false] * Specify invoking on the leading edge of the timeout. * @param {number} [options.maxWait] * The maximum time `func` is allowed to be delayed before it's invoked. * @param {boolean} [options.trailing=true] * Specify invoking on the trailing edge of the timeout. * @returns {Function} Returns the new debounced function. * @example * * // Avoid costly calculations while the window size is in flux. * jQuery(window).on('resize', _.debounce(calculateLayout, 150)); * * // Invoke `sendMail` when clicked, debouncing subsequent calls. * jQuery(element).on('click', _.debounce(sendMail, 300, { * 'leading': true, * 'trailing': false * })); * * // Ensure `batchLog` is invoked once after 1 second of debounced calls. * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 }); * var source = new EventSource('/stream'); * jQuery(source).on('message', debounced); * * // Cancel the trailing debounced invocation. * jQuery(window).on('popstate', debounced.cancel); */ function debounce(func, wait, options) { var lastArgs, lastThis, maxWait, result, timerId, lastCallTime, lastInvokeTime = 0, leading = false, maxing = false, trailing = true; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } wait = toNumber(wait) || 0; if (isObject(options)) { leading = !!options.leading; maxing = 'maxWait' in options; maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait; trailing = 'trailing' in options ? !!options.trailing : trailing; } function invokeFunc(time) { var args = lastArgs, thisArg = lastThis; lastArgs = lastThis = undefined; lastInvokeTime = time; result = func.apply(thisArg, args); return result; } function leadingEdge(time) { // Reset any `maxWait` timer. lastInvokeTime = time; // Start the timer for the trailing edge. timerId = setTimeout(timerExpired, wait); // Invoke the leading edge. return leading ? invokeFunc(time) : result; } function remainingWait(time) { var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime, timeWaiting = wait - timeSinceLastCall; return maxing ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke) : timeWaiting; } function shouldInvoke(time) { var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime; // Either this is the first call, activity has stopped and we're at the // trailing edge, the system time has gone backwards and we're treating // it as the trailing edge, or we've hit the `maxWait` limit. return (lastCallTime === undefined || (timeSinceLastCall >= wait) || (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait)); } function timerExpired() { var time = now(); if (shouldInvoke(time)) { return trailingEdge(time); } // Restart the timer. timerId = setTimeout(timerExpired, remainingWait(time)); } function trailingEdge(time) { timerId = undefined; // Only invoke if we have `lastArgs` which means `func` has been // debounced at least once. if (trailing && lastArgs) { return invokeFunc(time); } lastArgs = lastThis = undefined; return result; } function cancel() { if (timerId !== undefined) { clearTimeout(timerId); } lastInvokeTime = 0; lastArgs = lastCallTime = lastThis = timerId = undefined; } function flush() { return timerId === undefined ? result : trailingEdge(now()); } function debounced() { var time = now(), isInvoking = shouldInvoke(time); lastArgs = arguments; lastThis = this; lastCallTime = time; if (isInvoking) { if (timerId === undefined) { return leadingEdge(lastCallTime); } if (maxing) { // Handle invocations in a tight loop. clearTimeout(timerId); timerId = setTimeout(timerExpired, wait); return invokeFunc(lastCallTime); } } if (timerId === undefined) { timerId = setTimeout(timerExpired, wait); } return result; } debounced.cancel = cancel; debounced.flush = flush; return debounced; } /** * Defers invoking the `func` until the current call stack has cleared. Any * additional arguments are provided to `func` when it's invoked. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to defer. * @param {...*} [args] The arguments to invoke `func` with. * @returns {number} Returns the timer id. * @example * * _.defer(function(text) { * console.log(text); * }, 'deferred'); * // => Logs 'deferred' after one millisecond. */ var defer = baseRest(function(func, args) { return baseDelay(func, 1, args); }); /** * Invokes `func` after `wait` milliseconds. Any additional arguments are * provided to `func` when it's invoked. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to delay. * @param {number} wait The number of milliseconds to delay invocation. * @param {...*} [args] The arguments to invoke `func` with. * @returns {number} Returns the timer id. * @example * * _.delay(function(text) { * console.log(text); * }, 1000, 'later'); * // => Logs 'later' after one second. */ var delay = baseRest(function(func, wait, args) { return baseDelay(func, toNumber(wait) || 0, args); }); /** * Creates a function that invokes `func` with arguments reversed. * * @static * @memberOf _ * @since 4.0.0 * @category Function * @param {Function} func The function to flip arguments for. * @returns {Function} Returns the new flipped function. * @example * * var flipped = _.flip(function() { * return _.toArray(arguments); * }); * * flipped('a', 'b', 'c', 'd'); * // => ['d', 'c', 'b', 'a'] */ function flip(func) { return createWrap(func, WRAP_FLIP_FLAG); } /** * Creates a function that memoizes the result of `func`. If `resolver` is * provided, it determines the cache key for storing the result based on the * arguments provided to the memoized function. By default, the first argument * provided to the memoized function is used as the map cache key. The `func` * is invoked with the `this` binding of the memoized function. * * **Note:** The cache is exposed as the `cache` property on the memoized * function. Its creation may be customized by replacing the `_.memoize.Cache` * constructor with one whose instances implement the * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object) * method interface of `clear`, `delete`, `get`, `has`, and `set`. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to have its output memoized. * @param {Function} [resolver] The function to resolve the cache key. * @returns {Function} Returns the new memoized function. * @example * * var object = { 'a': 1, 'b': 2 }; * var other = { 'c': 3, 'd': 4 }; * * var values = _.memoize(_.values); * values(object); * // => [1, 2] * * values(other); * // => [3, 4] * * object.a = 2; * values(object); * // => [1, 2] * * // Modify the result cache. * values.cache.set(object, ['a', 'b']); * values(object); * // => ['a', 'b'] * * // Replace `_.memoize.Cache`. * _.memoize.Cache = WeakMap; */ function memoize(func, resolver) { if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) { throw new TypeError(FUNC_ERROR_TEXT); } var memoized = function() { var args = arguments, key = resolver ? resolver.apply(this, args) : args[0], cache = memoized.cache; if (cache.has(key)) { return cache.get(key); } var result = func.apply(this, args); memoized.cache = cache.set(key, result) || cache; return result; }; memoized.cache = new (memoize.Cache || MapCache); return memoized; } // Expose `MapCache`. memoize.Cache = MapCache; /** * Creates a function that negates the result of the predicate `func`. The * `func` predicate is invoked with the `this` binding and arguments of the * created function. * * @static * @memberOf _ * @since 3.0.0 * @category Function * @param {Function} predicate The predicate to negate. * @returns {Function} Returns the new negated function. * @example * * function isEven(n) { * return n % 2 == 0; * } * * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven)); * // => [1, 3, 5] */ function negate(predicate) { if (typeof predicate != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } return function() { var args = arguments; switch (args.length) { case 0: return !predicate.call(this); case 1: return !predicate.call(this, args[0]); case 2: return !predicate.call(this, args[0], args[1]); case 3: return !predicate.call(this, args[0], args[1], args[2]); } return !predicate.apply(this, args); }; } /** * Creates a function that is restricted to invoking `func` once. Repeat calls * to the function return the value of the first invocation. The `func` is * invoked with the `this` binding and arguments of the created function. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to restrict. * @returns {Function} Returns the new restricted function. * @example * * var initialize = _.once(createApplication); * initialize(); * initialize(); * // => `createApplication` is invoked once */ function once(func) { return before(2, func); } /** * Creates a function that invokes `func` with its arguments transformed. * * @static * @since 4.0.0 * @memberOf _ * @category Function * @param {Function} func The function to wrap. * @param {...(Function|Function[])} [transforms=[_.identity]] * The argument transforms. * @returns {Function} Returns the new function. * @example * * function doubled(n) { * return n * 2; * } * * function square(n) { * return n * n; * } * * var func = _.overArgs(function(x, y) { * return [x, y]; * }, [square, doubled]); * * func(9, 3); * // => [81, 6] * * func(10, 5); * // => [100, 10] */ var overArgs = castRest(function(func, transforms) { transforms = (transforms.length == 1 && isArray(transforms[0])) ? arrayMap(transforms[0], baseUnary(getIteratee())) : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee())); var funcsLength = transforms.length; return baseRest(function(args) { var index = -1, length = nativeMin(args.length, funcsLength); while (++index < length) { args[index] = transforms[index].call(this, args[index]); } return apply(func, this, args); }); }); /** * Creates a function that invokes `func` with `partials` prepended to the * arguments it receives. This method is like `_.bind` except it does **not** * alter the `this` binding. * * The `_.partial.placeholder` value, which defaults to `_` in monolithic * builds, may be used as a placeholder for partially applied arguments. * * **Note:** This method doesn't set the "length" property of partially * applied functions. * * @static * @memberOf _ * @since 0.2.0 * @category Function * @param {Function} func The function to partially apply arguments to. * @param {...*} [partials] The arguments to be partially applied. * @returns {Function} Returns the new partially applied function. * @example * * function greet(greeting, name) { * return greeting + ' ' + name; * } * * var sayHelloTo = _.partial(greet, 'hello'); * sayHelloTo('fred'); * // => 'hello fred' * * // Partially applied with placeholders. * var greetFred = _.partial(greet, _, 'fred'); * greetFred('hi'); * // => 'hi fred' */ var partial = baseRest(function(func, partials) { var holders = replaceHolders(partials, getHolder(partial)); return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders); }); /** * This method is like `_.partial` except that partially applied arguments * are appended to the arguments it receives. * * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic * builds, may be used as a placeholder for partially applied arguments. * * **Note:** This method doesn't set the "length" property of partially * applied functions. * * @static * @memberOf _ * @since 1.0.0 * @category Function * @param {Function} func The function to partially apply arguments to. * @param {...*} [partials] The arguments to be partially applied. * @returns {Function} Returns the new partially applied function. * @example * * function greet(greeting, name) { * return greeting + ' ' + name; * } * * var greetFred = _.partialRight(greet, 'fred'); * greetFred('hi'); * // => 'hi fred' * * // Partially applied with placeholders. * var sayHelloTo = _.partialRight(greet, 'hello', _); * sayHelloTo('fred'); * // => 'hello fred' */ var partialRight = baseRest(function(func, partials) { var holders = replaceHolders(partials, getHolder(partialRight)); return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders); }); /** * Creates a function that invokes `func` with arguments arranged according * to the specified `indexes` where the argument value at the first index is * provided as the first argument, the argument value at the second index is * provided as the second argument, and so on. * * @static * @memberOf _ * @since 3.0.0 * @category Function * @param {Function} func The function to rearrange arguments for. * @param {...(number|number[])} indexes The arranged argument indexes. * @returns {Function} Returns the new function. * @example * * var rearged = _.rearg(function(a, b, c) { * return [a, b, c]; * }, [2, 0, 1]); * * rearged('b', 'c', 'a') * // => ['a', 'b', 'c'] */ var rearg = flatRest(function(func, indexes) { return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes); }); /** * Creates a function that invokes `func` with the `this` binding of the * created function and arguments from `start` and beyond provided as * an array. * * **Note:** This method is based on the * [rest parameter](https://mdn.io/rest_parameters). * * @static * @memberOf _ * @since 4.0.0 * @category Function * @param {Function} func The function to apply a rest parameter to. * @param {number} [start=func.length-1] The start position of the rest parameter. * @returns {Function} Returns the new function. * @example * * var say = _.rest(function(what, names) { * return what + ' ' + _.initial(names).join(', ') + * (_.size(names) > 1 ? ', & ' : '') + _.last(names); * }); * * say('hello', 'fred', 'barney', 'pebbles'); * // => 'hello fred, barney, & pebbles' */ function rest(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = start === undefined ? start : toInteger(start); return baseRest(func, start); } /** * Creates a function that invokes `func` with the `this` binding of the * create function and an array of arguments much like * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply). * * **Note:** This method is based on the * [spread operator](https://mdn.io/spread_operator). * * @static * @memberOf _ * @since 3.2.0 * @category Function * @param {Function} func The function to spread arguments over. * @param {number} [start=0] The start position of the spread. * @returns {Function} Returns the new function. * @example * * var say = _.spread(function(who, what) { * return who + ' says ' + what; * }); * * say(['fred', 'hello']); * // => 'fred says hello' * * var numbers = Promise.all([ * Promise.resolve(40), * Promise.resolve(36) * ]); * * numbers.then(_.spread(function(x, y) { * return x + y; * })); * // => a Promise of 76 */ function spread(func, start) { if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } start = start == null ? 0 : nativeMax(toInteger(start), 0); return baseRest(function(args) { var array = args[start], otherArgs = castSlice(args, 0, start); if (array) { arrayPush(otherArgs, array); } return apply(func, this, otherArgs); }); } /** * Creates a throttled function that only invokes `func` at most once per * every `wait` milliseconds. The throttled function comes with a `cancel` * method to cancel delayed `func` invocations and a `flush` method to * immediately invoke them. Provide `options` to indicate whether `func` * should be invoked on the leading and/or trailing edge of the `wait` * timeout. The `func` is invoked with the last arguments provided to the * throttled function. Subsequent calls to the throttled function return the * result of the last `func` invocation. * * **Note:** If `leading` and `trailing` options are `true`, `func` is * invoked on the trailing edge of the timeout only if the throttled function * is invoked more than once during the `wait` timeout. * * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred * until to the next tick, similar to `setTimeout` with a timeout of `0`. * * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/) * for details over the differences between `_.throttle` and `_.debounce`. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {Function} func The function to throttle. * @param {number} [wait=0] The number of milliseconds to throttle invocations to. * @param {Object} [options={}] The options object. * @param {boolean} [options.leading=true] * Specify invoking on the leading edge of the timeout. * @param {boolean} [options.trailing=true] * Specify invoking on the trailing edge of the timeout. * @returns {Function} Returns the new throttled function. * @example * * // Avoid excessively updating the position while scrolling. * jQuery(window).on('scroll', _.throttle(updatePosition, 100)); * * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes. * var throttled = _.throttle(renewToken, 300000, { 'trailing': false }); * jQuery(element).on('click', throttled); * * // Cancel the trailing throttled invocation. * jQuery(window).on('popstate', throttled.cancel); */ function throttle(func, wait, options) { var leading = true, trailing = true; if (typeof func != 'function') { throw new TypeError(FUNC_ERROR_TEXT); } if (isObject(options)) { leading = 'leading' in options ? !!options.leading : leading; trailing = 'trailing' in options ? !!options.trailing : trailing; } return debounce(func, wait, { 'leading': leading, 'maxWait': wait, 'trailing': trailing }); } /** * Creates a function that accepts up to one argument, ignoring any * additional arguments. * * @static * @memberOf _ * @since 4.0.0 * @category Function * @param {Function} func The function to cap arguments for. * @returns {Function} Returns the new capped function. * @example * * _.map(['6', '8', '10'], _.unary(parseInt)); * // => [6, 8, 10] */ function unary(func) { return ary(func, 1); } /** * Creates a function that provides `value` to `wrapper` as its first * argument. Any additional arguments provided to the function are appended * to those provided to the `wrapper`. The wrapper is invoked with the `this` * binding of the created function. * * @static * @memberOf _ * @since 0.1.0 * @category Function * @param {*} value The value to wrap. * @param {Function} [wrapper=identity] The wrapper function. * @returns {Function} Returns the new function. * @example * * var p = _.wrap(_.escape, function(func, text) { * return '

' + func(text) + '

'; * }); * * p('fred, barney, & pebbles'); * // => '

fred, barney, & pebbles

' */ function wrap(value, wrapper) { return partial(castFunction(wrapper), value); } /*------------------------------------------------------------------------*/ /** * Casts `value` as an array if it's not one. * * @static * @memberOf _ * @since 4.4.0 * @category Lang * @param {*} value The value to inspect. * @returns {Array} Returns the cast array. * @example * * _.castArray(1); * // => [1] * * _.castArray({ 'a': 1 }); * // => [{ 'a': 1 }] * * _.castArray('abc'); * // => ['abc'] * * _.castArray(null); * // => [null] * * _.castArray(undefined); * // => [undefined] * * _.castArray(); * // => [] * * var array = [1, 2, 3]; * console.log(_.castArray(array) === array); * // => true */ function castArray() { if (!arguments.length) { return []; } var value = arguments[0]; return isArray(value) ? value : [value]; } /** * Creates a shallow clone of `value`. * * **Note:** This method is loosely based on the * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm) * and supports cloning arrays, array buffers, booleans, date objects, maps, * numbers, `Object` objects, regexes, sets, strings, symbols, and typed * arrays. The own enumerable properties of `arguments` objects are cloned * as plain objects. An empty object is returned for uncloneable values such * as error objects, functions, DOM nodes, and WeakMaps. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to clone. * @returns {*} Returns the cloned value. * @see _.cloneDeep * @example * * var objects = [{ 'a': 1 }, { 'b': 2 }]; * * var shallow = _.clone(objects); * console.log(shallow[0] === objects[0]); * // => true */ function clone(value) { return baseClone(value, CLONE_SYMBOLS_FLAG); } /** * This method is like `_.clone` except that it accepts `customizer` which * is invoked to produce the cloned value. If `customizer` returns `undefined`, * cloning is handled by the method instead. The `customizer` is invoked with * up to four arguments; (value [, index|key, object, stack]). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to clone. * @param {Function} [customizer] The function to customize cloning. * @returns {*} Returns the cloned value. * @see _.cloneDeepWith * @example * * function customizer(value) { * if (_.isElement(value)) { * return value.cloneNode(false); * } * } * * var el = _.cloneWith(document.body, customizer); * * console.log(el === document.body); * // => false * console.log(el.nodeName); * // => 'BODY' * console.log(el.childNodes.length); * // => 0 */ function cloneWith(value, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return baseClone(value, CLONE_SYMBOLS_FLAG, customizer); } /** * This method is like `_.clone` except that it recursively clones `value`. * * @static * @memberOf _ * @since 1.0.0 * @category Lang * @param {*} value The value to recursively clone. * @returns {*} Returns the deep cloned value. * @see _.clone * @example * * var objects = [{ 'a': 1 }, { 'b': 2 }]; * * var deep = _.cloneDeep(objects); * console.log(deep[0] === objects[0]); * // => false */ function cloneDeep(value) { return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG); } /** * This method is like `_.cloneWith` except that it recursively clones `value`. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to recursively clone. * @param {Function} [customizer] The function to customize cloning. * @returns {*} Returns the deep cloned value. * @see _.cloneWith * @example * * function customizer(value) { * if (_.isElement(value)) { * return value.cloneNode(true); * } * } * * var el = _.cloneDeepWith(document.body, customizer); * * console.log(el === document.body); * // => false * console.log(el.nodeName); * // => 'BODY' * console.log(el.childNodes.length); * // => 20 */ function cloneDeepWith(value, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer); } /** * Checks if `object` conforms to `source` by invoking the predicate * properties of `source` with the corresponding property values of `object`. * * **Note:** This method is equivalent to `_.conforms` when `source` is * partially applied. * * @static * @memberOf _ * @since 4.14.0 * @category Lang * @param {Object} object The object to inspect. * @param {Object} source The object of property predicates to conform to. * @returns {boolean} Returns `true` if `object` conforms, else `false`. * @example * * var object = { 'a': 1, 'b': 2 }; * * _.conformsTo(object, { 'b': function(n) { return n > 1; } }); * // => true * * _.conformsTo(object, { 'b': function(n) { return n > 2; } }); * // => false */ function conformsTo(object, source) { return source == null || baseConformsTo(object, source, keys(source)); } /** * Performs a * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) * comparison between two values to determine if they are equivalent. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'a': 1 }; * var other = { 'a': 1 }; * * _.eq(object, object); * // => true * * _.eq(object, other); * // => false * * _.eq('a', 'a'); * // => true * * _.eq('a', Object('a')); * // => false * * _.eq(NaN, NaN); * // => true */ function eq(value, other) { return value === other || (value !== value && other !== other); } /** * Checks if `value` is greater than `other`. * * @static * @memberOf _ * @since 3.9.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if `value` is greater than `other`, * else `false`. * @see _.lt * @example * * _.gt(3, 1); * // => true * * _.gt(3, 3); * // => false * * _.gt(1, 3); * // => false */ var gt = createRelationalOperation(baseGt); /** * Checks if `value` is greater than or equal to `other`. * * @static * @memberOf _ * @since 3.9.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if `value` is greater than or equal to * `other`, else `false`. * @see _.lte * @example * * _.gte(3, 1); * // => true * * _.gte(3, 3); * // => true * * _.gte(1, 3); * // => false */ var gte = createRelationalOperation(function(value, other) { return value >= other; }); /** * Checks if `value` is likely an `arguments` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an `arguments` object, * else `false`. * @example * * _.isArguments(function() { return arguments; }()); * // => true * * _.isArguments([1, 2, 3]); * // => false */ var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) { return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee'); }; /** * Checks if `value` is classified as an `Array` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array, else `false`. * @example * * _.isArray([1, 2, 3]); * // => true * * _.isArray(document.body.children); * // => false * * _.isArray('abc'); * // => false * * _.isArray(_.noop); * // => false */ var isArray = Array.isArray; /** * Checks if `value` is classified as an `ArrayBuffer` object. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`. * @example * * _.isArrayBuffer(new ArrayBuffer(2)); * // => true * * _.isArrayBuffer(new Array(2)); * // => false */ var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer; /** * Checks if `value` is array-like. A value is considered array-like if it's * not a function and has a `value.length` that's an integer greater than or * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is array-like, else `false`. * @example * * _.isArrayLike([1, 2, 3]); * // => true * * _.isArrayLike(document.body.children); * // => true * * _.isArrayLike('abc'); * // => true * * _.isArrayLike(_.noop); * // => false */ function isArrayLike(value) { return value != null && isLength(value.length) && !isFunction(value); } /** * This method is like `_.isArrayLike` except that it also checks if `value` * is an object. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an array-like object, * else `false`. * @example * * _.isArrayLikeObject([1, 2, 3]); * // => true * * _.isArrayLikeObject(document.body.children); * // => true * * _.isArrayLikeObject('abc'); * // => false * * _.isArrayLikeObject(_.noop); * // => false */ function isArrayLikeObject(value) { return isObjectLike(value) && isArrayLike(value); } /** * Checks if `value` is classified as a boolean primitive or object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a boolean, else `false`. * @example * * _.isBoolean(false); * // => true * * _.isBoolean(null); * // => false */ function isBoolean(value) { return value === true || value === false || (isObjectLike(value) && baseGetTag(value) == boolTag); } /** * Checks if `value` is a buffer. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. * @example * * _.isBuffer(new Buffer(2)); * // => true * * _.isBuffer(new Uint8Array(2)); * // => false */ var isBuffer = nativeIsBuffer || stubFalse; /** * Checks if `value` is classified as a `Date` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a date object, else `false`. * @example * * _.isDate(new Date); * // => true * * _.isDate('Mon April 23 2012'); * // => false */ var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate; /** * Checks if `value` is likely a DOM element. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`. * @example * * _.isElement(document.body); * // => true * * _.isElement(''); * // => false */ function isElement(value) { return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value); } /** * Checks if `value` is an empty object, collection, map, or set. * * Objects are considered empty if they have no own enumerable string keyed * properties. * * Array-like values such as `arguments` objects, arrays, buffers, strings, or * jQuery-like collections are considered empty if they have a `length` of `0`. * Similarly, maps and sets are considered empty if they have a `size` of `0`. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is empty, else `false`. * @example * * _.isEmpty(null); * // => true * * _.isEmpty(true); * // => true * * _.isEmpty(1); * // => true * * _.isEmpty([1, 2, 3]); * // => false * * _.isEmpty({ 'a': 1 }); * // => false */ function isEmpty(value) { if (value == null) { return true; } if (isArrayLike(value) && (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' || isBuffer(value) || isTypedArray(value) || isArguments(value))) { return !value.length; } var tag = getTag(value); if (tag == mapTag || tag == setTag) { return !value.size; } if (isPrototype(value)) { return !baseKeys(value).length; } for (var key in value) { if (hasOwnProperty.call(value, key)) { return false; } } return true; } /** * Performs a deep comparison between two values to determine if they are * equivalent. * * **Note:** This method supports comparing arrays, array buffers, booleans, * date objects, error objects, maps, numbers, `Object` objects, regexes, * sets, strings, symbols, and typed arrays. `Object` objects are compared * by their own, not inherited, enumerable properties. Functions and DOM * nodes are compared by strict equality, i.e. `===`. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * var object = { 'a': 1 }; * var other = { 'a': 1 }; * * _.isEqual(object, other); * // => true * * object === other; * // => false */ function isEqual(value, other) { return baseIsEqual(value, other); } /** * This method is like `_.isEqual` except that it accepts `customizer` which * is invoked to compare values. If `customizer` returns `undefined`, comparisons * are handled by the method instead. The `customizer` is invoked with up to * six arguments: (objValue, othValue [, index|key, object, other, stack]). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @param {Function} [customizer] The function to customize comparisons. * @returns {boolean} Returns `true` if the values are equivalent, else `false`. * @example * * function isGreeting(value) { * return /^h(?:i|ello)$/.test(value); * } * * function customizer(objValue, othValue) { * if (isGreeting(objValue) && isGreeting(othValue)) { * return true; * } * } * * var array = ['hello', 'goodbye']; * var other = ['hi', 'goodbye']; * * _.isEqualWith(array, other, customizer); * // => true */ function isEqualWith(value, other, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; var result = customizer ? customizer(value, other) : undefined; return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result; } /** * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`, * `SyntaxError`, `TypeError`, or `URIError` object. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an error object, else `false`. * @example * * _.isError(new Error); * // => true * * _.isError(Error); * // => false */ function isError(value) { if (!isObjectLike(value)) { return false; } var tag = baseGetTag(value); return tag == errorTag || tag == domExcTag || (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value)); } /** * Checks if `value` is a finite primitive number. * * **Note:** This method is based on * [`Number.isFinite`](https://mdn.io/Number/isFinite). * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a finite number, else `false`. * @example * * _.isFinite(3); * // => true * * _.isFinite(Number.MIN_VALUE); * // => true * * _.isFinite(Infinity); * // => false * * _.isFinite('3'); * // => false */ function isFinite(value) { return typeof value == 'number' && nativeIsFinite(value); } /** * Checks if `value` is classified as a `Function` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a function, else `false`. * @example * * _.isFunction(_); * // => true * * _.isFunction(/abc/); * // => false */ function isFunction(value) { if (!isObject(value)) { return false; } // The use of `Object#toString` avoids issues with the `typeof` operator // in Safari 9 which returns 'object' for typed arrays and other constructors. var tag = baseGetTag(value); return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; } /** * Checks if `value` is an integer. * * **Note:** This method is based on * [`Number.isInteger`](https://mdn.io/Number/isInteger). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an integer, else `false`. * @example * * _.isInteger(3); * // => true * * _.isInteger(Number.MIN_VALUE); * // => false * * _.isInteger(Infinity); * // => false * * _.isInteger('3'); * // => false */ function isInteger(value) { return typeof value == 'number' && value == toInteger(value); } /** * Checks if `value` is a valid array-like length. * * **Note:** This method is loosely based on * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. * @example * * _.isLength(3); * // => true * * _.isLength(Number.MIN_VALUE); * // => false * * _.isLength(Infinity); * // => false * * _.isLength('3'); * // => false */ function isLength(value) { return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; } /** * Checks if `value` is the * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is an object, else `false`. * @example * * _.isObject({}); * // => true * * _.isObject([1, 2, 3]); * // => true * * _.isObject(_.noop); * // => true * * _.isObject(null); * // => false */ function isObject(value) { var type = typeof value; return value != null && (type == 'object' || type == 'function'); } /** * Checks if `value` is object-like. A value is object-like if it's not `null` * and has a `typeof` result of "object". * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is object-like, else `false`. * @example * * _.isObjectLike({}); * // => true * * _.isObjectLike([1, 2, 3]); * // => true * * _.isObjectLike(_.noop); * // => false * * _.isObjectLike(null); * // => false */ function isObjectLike(value) { return value != null && typeof value == 'object'; } /** * Checks if `value` is classified as a `Map` object. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a map, else `false`. * @example * * _.isMap(new Map); * // => true * * _.isMap(new WeakMap); * // => false */ var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap; /** * Performs a partial deep comparison between `object` and `source` to * determine if `object` contains equivalent property values. * * **Note:** This method is equivalent to `_.matches` when `source` is * partially applied. * * Partial comparisons will match empty array and empty object `source` * values against any array or object value, respectively. See `_.isEqual` * for a list of supported value comparisons. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {Object} object The object to inspect. * @param {Object} source The object of property values to match. * @returns {boolean} Returns `true` if `object` is a match, else `false`. * @example * * var object = { 'a': 1, 'b': 2 }; * * _.isMatch(object, { 'b': 2 }); * // => true * * _.isMatch(object, { 'b': 1 }); * // => false */ function isMatch(object, source) { return object === source || baseIsMatch(object, source, getMatchData(source)); } /** * This method is like `_.isMatch` except that it accepts `customizer` which * is invoked to compare values. If `customizer` returns `undefined`, comparisons * are handled by the method instead. The `customizer` is invoked with five * arguments: (objValue, srcValue, index|key, object, source). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {Object} object The object to inspect. * @param {Object} source The object of property values to match. * @param {Function} [customizer] The function to customize comparisons. * @returns {boolean} Returns `true` if `object` is a match, else `false`. * @example * * function isGreeting(value) { * return /^h(?:i|ello)$/.test(value); * } * * function customizer(objValue, srcValue) { * if (isGreeting(objValue) && isGreeting(srcValue)) { * return true; * } * } * * var object = { 'greeting': 'hello' }; * var source = { 'greeting': 'hi' }; * * _.isMatchWith(object, source, customizer); * // => true */ function isMatchWith(object, source, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return baseIsMatch(object, source, getMatchData(source), customizer); } /** * Checks if `value` is `NaN`. * * **Note:** This method is based on * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for * `undefined` and other non-number values. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`. * @example * * _.isNaN(NaN); * // => true * * _.isNaN(new Number(NaN)); * // => true * * isNaN(undefined); * // => true * * _.isNaN(undefined); * // => false */ function isNaN(value) { // An `NaN` primitive is the only value that is not equal to itself. // Perform the `toStringTag` check first to avoid errors with some // ActiveX objects in IE. return isNumber(value) && value != +value; } /** * Checks if `value` is a pristine native function. * * **Note:** This method can't reliably detect native functions in the presence * of the core-js package because core-js circumvents this kind of detection. * Despite multiple requests, the core-js maintainer has made it clear: any * attempt to fix the detection will be obstructed. As a result, we're left * with little choice but to throw an error. Unfortunately, this also affects * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill), * which rely on core-js. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a native function, * else `false`. * @example * * _.isNative(Array.prototype.push); * // => true * * _.isNative(_); * // => false */ function isNative(value) { if (isMaskable(value)) { throw new Error(CORE_ERROR_TEXT); } return baseIsNative(value); } /** * Checks if `value` is `null`. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is `null`, else `false`. * @example * * _.isNull(null); * // => true * * _.isNull(void 0); * // => false */ function isNull(value) { return value === null; } /** * Checks if `value` is `null` or `undefined`. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is nullish, else `false`. * @example * * _.isNil(null); * // => true * * _.isNil(void 0); * // => true * * _.isNil(NaN); * // => false */ function isNil(value) { return value == null; } /** * Checks if `value` is classified as a `Number` primitive or object. * * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are * classified as numbers, use the `_.isFinite` method. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a number, else `false`. * @example * * _.isNumber(3); * // => true * * _.isNumber(Number.MIN_VALUE); * // => true * * _.isNumber(Infinity); * // => true * * _.isNumber('3'); * // => false */ function isNumber(value) { return typeof value == 'number' || (isObjectLike(value) && baseGetTag(value) == numberTag); } /** * Checks if `value` is a plain object, that is, an object created by the * `Object` constructor or one with a `[[Prototype]]` of `null`. * * @static * @memberOf _ * @since 0.8.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. * @example * * function Foo() { * this.a = 1; * } * * _.isPlainObject(new Foo); * // => false * * _.isPlainObject([1, 2, 3]); * // => false * * _.isPlainObject({ 'x': 0, 'y': 0 }); * // => true * * _.isPlainObject(Object.create(null)); * // => true */ function isPlainObject(value) { if (!isObjectLike(value) || baseGetTag(value) != objectTag) { return false; } var proto = getPrototype(value); if (proto === null) { return true; } var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor; return typeof Ctor == 'function' && Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString; } /** * Checks if `value` is classified as a `RegExp` object. * * @static * @memberOf _ * @since 0.1.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a regexp, else `false`. * @example * * _.isRegExp(/abc/); * // => true * * _.isRegExp('/abc/'); * // => false */ var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp; /** * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754 * double precision number which isn't the result of a rounded unsafe integer. * * **Note:** This method is based on * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`. * @example * * _.isSafeInteger(3); * // => true * * _.isSafeInteger(Number.MIN_VALUE); * // => false * * _.isSafeInteger(Infinity); * // => false * * _.isSafeInteger('3'); * // => false */ function isSafeInteger(value) { return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER; } /** * Checks if `value` is classified as a `Set` object. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a set, else `false`. * @example * * _.isSet(new Set); * // => true * * _.isSet(new WeakSet); * // => false */ var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet; /** * Checks if `value` is classified as a `String` primitive or object. * * @static * @since 0.1.0 * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a string, else `false`. * @example * * _.isString('abc'); * // => true * * _.isString(1); * // => false */ function isString(value) { return typeof value == 'string' || (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag); } /** * Checks if `value` is classified as a `Symbol` primitive or object. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a symbol, else `false`. * @example * * _.isSymbol(Symbol.iterator); * // => true * * _.isSymbol('abc'); * // => false */ function isSymbol(value) { return typeof value == 'symbol' || (isObjectLike(value) && baseGetTag(value) == symbolTag); } /** * Checks if `value` is classified as a typed array. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. * @example * * _.isTypedArray(new Uint8Array); * // => true * * _.isTypedArray([]); * // => false */ var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray; /** * Checks if `value` is `undefined`. * * @static * @since 0.1.0 * @memberOf _ * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`. * @example * * _.isUndefined(void 0); * // => true * * _.isUndefined(null); * // => false */ function isUndefined(value) { return value === undefined; } /** * Checks if `value` is classified as a `WeakMap` object. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a weak map, else `false`. * @example * * _.isWeakMap(new WeakMap); * // => true * * _.isWeakMap(new Map); * // => false */ function isWeakMap(value) { return isObjectLike(value) && getTag(value) == weakMapTag; } /** * Checks if `value` is classified as a `WeakSet` object. * * @static * @memberOf _ * @since 4.3.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a weak set, else `false`. * @example * * _.isWeakSet(new WeakSet); * // => true * * _.isWeakSet(new Set); * // => false */ function isWeakSet(value) { return isObjectLike(value) && baseGetTag(value) == weakSetTag; } /** * Checks if `value` is less than `other`. * * @static * @memberOf _ * @since 3.9.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if `value` is less than `other`, * else `false`. * @see _.gt * @example * * _.lt(1, 3); * // => true * * _.lt(3, 3); * // => false * * _.lt(3, 1); * // => false */ var lt = createRelationalOperation(baseLt); /** * Checks if `value` is less than or equal to `other`. * * @static * @memberOf _ * @since 3.9.0 * @category Lang * @param {*} value The value to compare. * @param {*} other The other value to compare. * @returns {boolean} Returns `true` if `value` is less than or equal to * `other`, else `false`. * @see _.gte * @example * * _.lte(1, 3); * // => true * * _.lte(3, 3); * // => true * * _.lte(3, 1); * // => false */ var lte = createRelationalOperation(function(value, other) { return value <= other; }); /** * Converts `value` to an array. * * @static * @since 0.1.0 * @memberOf _ * @category Lang * @param {*} value The value to convert. * @returns {Array} Returns the converted array. * @example * * _.toArray({ 'a': 1, 'b': 2 }); * // => [1, 2] * * _.toArray('abc'); * // => ['a', 'b', 'c'] * * _.toArray(1); * // => [] * * _.toArray(null); * // => [] */ function toArray(value) { if (!value) { return []; } if (isArrayLike(value)) { return isString(value) ? stringToArray(value) : copyArray(value); } if (symIterator && value[symIterator]) { return iteratorToArray(value[symIterator]()); } var tag = getTag(value), func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values); return func(value); } /** * Converts `value` to a finite number. * * @static * @memberOf _ * @since 4.12.0 * @category Lang * @param {*} value The value to convert. * @returns {number} Returns the converted number. * @example * * _.toFinite(3.2); * // => 3.2 * * _.toFinite(Number.MIN_VALUE); * // => 5e-324 * * _.toFinite(Infinity); * // => 1.7976931348623157e+308 * * _.toFinite('3.2'); * // => 3.2 */ function toFinite(value) { if (!value) { return value === 0 ? value : 0; } value = toNumber(value); if (value === INFINITY || value === -INFINITY) { var sign = (value < 0 ? -1 : 1); return sign * MAX_INTEGER; } return value === value ? value : 0; } /** * Converts `value` to an integer. * * **Note:** This method is loosely based on * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to convert. * @returns {number} Returns the converted integer. * @example * * _.toInteger(3.2); * // => 3 * * _.toInteger(Number.MIN_VALUE); * // => 0 * * _.toInteger(Infinity); * // => 1.7976931348623157e+308 * * _.toInteger('3.2'); * // => 3 */ function toInteger(value) { var result = toFinite(value), remainder = result % 1; return result === result ? (remainder ? result - remainder : result) : 0; } /** * Converts `value` to an integer suitable for use as the length of an * array-like object. * * **Note:** This method is based on * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to convert. * @returns {number} Returns the converted integer. * @example * * _.toLength(3.2); * // => 3 * * _.toLength(Number.MIN_VALUE); * // => 0 * * _.toLength(Infinity); * // => 4294967295 * * _.toLength('3.2'); * // => 3 */ function toLength(value) { return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0; } /** * Converts `value` to a number. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to process. * @returns {number} Returns the number. * @example * * _.toNumber(3.2); * // => 3.2 * * _.toNumber(Number.MIN_VALUE); * // => 5e-324 * * _.toNumber(Infinity); * // => Infinity * * _.toNumber('3.2'); * // => 3.2 */ function toNumber(value) { if (typeof value == 'number') { return value; } if (isSymbol(value)) { return NAN; } if (isObject(value)) { var other = typeof value.valueOf == 'function' ? value.valueOf() : value; value = isObject(other) ? (other + '') : other; } if (typeof value != 'string') { return value === 0 ? value : +value; } value = baseTrim(value); var isBinary = reIsBinary.test(value); return (isBinary || reIsOctal.test(value)) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : (reIsBadHex.test(value) ? NAN : +value); } /** * Converts `value` to a plain object flattening inherited enumerable string * keyed properties of `value` to own properties of the plain object. * * @static * @memberOf _ * @since 3.0.0 * @category Lang * @param {*} value The value to convert. * @returns {Object} Returns the converted plain object. * @example * * function Foo() { * this.b = 2; * } * * Foo.prototype.c = 3; * * _.assign({ 'a': 1 }, new Foo); * // => { 'a': 1, 'b': 2 } * * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); * // => { 'a': 1, 'b': 2, 'c': 3 } */ function toPlainObject(value) { return copyObject(value, keysIn(value)); } /** * Converts `value` to a safe integer. A safe integer can be compared and * represented correctly. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to convert. * @returns {number} Returns the converted integer. * @example * * _.toSafeInteger(3.2); * // => 3 * * _.toSafeInteger(Number.MIN_VALUE); * // => 0 * * _.toSafeInteger(Infinity); * // => 9007199254740991 * * _.toSafeInteger('3.2'); * // => 3 */ function toSafeInteger(value) { return value ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER) : (value === 0 ? value : 0); } /** * Converts `value` to a string. An empty string is returned for `null` * and `undefined` values. The sign of `-0` is preserved. * * @static * @memberOf _ * @since 4.0.0 * @category Lang * @param {*} value The value to convert. * @returns {string} Returns the converted string. * @example * * _.toString(null); * // => '' * * _.toString(-0); * // => '-0' * * _.toString([1, 2, 3]); * // => '1,2,3' */ function toString(value) { return value == null ? '' : baseToString(value); } /*------------------------------------------------------------------------*/ /** * Assigns own enumerable string keyed properties of source objects to the * destination object. Source objects are applied from left to right. * Subsequent sources overwrite property assignments of previous sources. * * **Note:** This method mutates `object` and is loosely based on * [`Object.assign`](https://mdn.io/Object/assign). * * @static * @memberOf _ * @since 0.10.0 * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @see _.assignIn * @example * * function Foo() { * this.a = 1; * } * * function Bar() { * this.c = 3; * } * * Foo.prototype.b = 2; * Bar.prototype.d = 4; * * _.assign({ 'a': 0 }, new Foo, new Bar); * // => { 'a': 1, 'c': 3 } */ var assign = createAssigner(function(object, source) { if (isPrototype(source) || isArrayLike(source)) { copyObject(source, keys(source), object); return; } for (var key in source) { if (hasOwnProperty.call(source, key)) { assignValue(object, key, source[key]); } } }); /** * This method is like `_.assign` except that it iterates over own and * inherited source properties. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @alias extend * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @see _.assign * @example * * function Foo() { * this.a = 1; * } * * function Bar() { * this.c = 3; * } * * Foo.prototype.b = 2; * Bar.prototype.d = 4; * * _.assignIn({ 'a': 0 }, new Foo, new Bar); * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 } */ var assignIn = createAssigner(function(object, source) { copyObject(source, keysIn(source), object); }); /** * This method is like `_.assignIn` except that it accepts `customizer` * which is invoked to produce the assigned values. If `customizer` returns * `undefined`, assignment is handled by the method instead. The `customizer` * is invoked with five arguments: (objValue, srcValue, key, object, source). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @alias extendWith * @category Object * @param {Object} object The destination object. * @param {...Object} sources The source objects. * @param {Function} [customizer] The function to customize assigned values. * @returns {Object} Returns `object`. * @see _.assignWith * @example * * function customizer(objValue, srcValue) { * return _.isUndefined(objValue) ? srcValue : objValue; * } * * var defaults = _.partialRight(_.assignInWith, customizer); * * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); * // => { 'a': 1, 'b': 2 } */ var assignInWith = createAssigner(function(object, source, srcIndex, customizer) { copyObject(source, keysIn(source), object, customizer); }); /** * This method is like `_.assign` except that it accepts `customizer` * which is invoked to produce the assigned values. If `customizer` returns * `undefined`, assignment is handled by the method instead. The `customizer` * is invoked with five arguments: (objValue, srcValue, key, object, source). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The destination object. * @param {...Object} sources The source objects. * @param {Function} [customizer] The function to customize assigned values. * @returns {Object} Returns `object`. * @see _.assignInWith * @example * * function customizer(objValue, srcValue) { * return _.isUndefined(objValue) ? srcValue : objValue; * } * * var defaults = _.partialRight(_.assignWith, customizer); * * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); * // => { 'a': 1, 'b': 2 } */ var assignWith = createAssigner(function(object, source, srcIndex, customizer) { copyObject(source, keys(source), object, customizer); }); /** * Creates an array of values corresponding to `paths` of `object`. * * @static * @memberOf _ * @since 1.0.0 * @category Object * @param {Object} object The object to iterate over. * @param {...(string|string[])} [paths] The property paths to pick. * @returns {Array} Returns the picked values. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; * * _.at(object, ['a[0].b.c', 'a[1]']); * // => [3, 4] */ var at = flatRest(baseAt); /** * Creates an object that inherits from the `prototype` object. If a * `properties` object is given, its own enumerable string keyed properties * are assigned to the created object. * * @static * @memberOf _ * @since 2.3.0 * @category Object * @param {Object} prototype The object to inherit from. * @param {Object} [properties] The properties to assign to the object. * @returns {Object} Returns the new object. * @example * * function Shape() { * this.x = 0; * this.y = 0; * } * * function Circle() { * Shape.call(this); * } * * Circle.prototype = _.create(Shape.prototype, { * 'constructor': Circle * }); * * var circle = new Circle; * circle instanceof Circle; * // => true * * circle instanceof Shape; * // => true */ function create(prototype, properties) { var result = baseCreate(prototype); return properties == null ? result : baseAssign(result, properties); } /** * Assigns own and inherited enumerable string keyed properties of source * objects to the destination object for all destination properties that * resolve to `undefined`. Source objects are applied from left to right. * Once a property is set, additional values of the same property are ignored. * * **Note:** This method mutates `object`. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @see _.defaultsDeep * @example * * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 }); * // => { 'a': 1, 'b': 2 } */ var defaults = baseRest(function(object, sources) { object = Object(object); var index = -1; var length = sources.length; var guard = length > 2 ? sources[2] : undefined; if (guard && isIterateeCall(sources[0], sources[1], guard)) { length = 1; } while (++index < length) { var source = sources[index]; var props = keysIn(source); var propsIndex = -1; var propsLength = props.length; while (++propsIndex < propsLength) { var key = props[propsIndex]; var value = object[key]; if (value === undefined || (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) { object[key] = source[key]; } } } return object; }); /** * This method is like `_.defaults` except that it recursively assigns * default properties. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 3.10.0 * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @see _.defaults * @example * * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } }); * // => { 'a': { 'b': 2, 'c': 3 } } */ var defaultsDeep = baseRest(function(args) { args.push(undefined, customDefaultsMerge); return apply(mergeWith, undefined, args); }); /** * This method is like `_.find` except that it returns the key of the first * element `predicate` returns truthy for instead of the element itself. * * @static * @memberOf _ * @since 1.1.0 * @category Object * @param {Object} object The object to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {string|undefined} Returns the key of the matched element, * else `undefined`. * @example * * var users = { * 'barney': { 'age': 36, 'active': true }, * 'fred': { 'age': 40, 'active': false }, * 'pebbles': { 'age': 1, 'active': true } * }; * * _.findKey(users, function(o) { return o.age < 40; }); * // => 'barney' (iteration order is not guaranteed) * * // The `_.matches` iteratee shorthand. * _.findKey(users, { 'age': 1, 'active': true }); * // => 'pebbles' * * // The `_.matchesProperty` iteratee shorthand. * _.findKey(users, ['active', false]); * // => 'fred' * * // The `_.property` iteratee shorthand. * _.findKey(users, 'active'); * // => 'barney' */ function findKey(object, predicate) { return baseFindKey(object, getIteratee(predicate, 3), baseForOwn); } /** * This method is like `_.findKey` except that it iterates over elements of * a collection in the opposite order. * * @static * @memberOf _ * @since 2.0.0 * @category Object * @param {Object} object The object to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @returns {string|undefined} Returns the key of the matched element, * else `undefined`. * @example * * var users = { * 'barney': { 'age': 36, 'active': true }, * 'fred': { 'age': 40, 'active': false }, * 'pebbles': { 'age': 1, 'active': true } * }; * * _.findLastKey(users, function(o) { return o.age < 40; }); * // => returns 'pebbles' assuming `_.findKey` returns 'barney' * * // The `_.matches` iteratee shorthand. * _.findLastKey(users, { 'age': 36, 'active': true }); * // => 'barney' * * // The `_.matchesProperty` iteratee shorthand. * _.findLastKey(users, ['active', false]); * // => 'fred' * * // The `_.property` iteratee shorthand. * _.findLastKey(users, 'active'); * // => 'pebbles' */ function findLastKey(object, predicate) { return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight); } /** * Iterates over own and inherited enumerable string keyed properties of an * object and invokes `iteratee` for each property. The iteratee is invoked * with three arguments: (value, key, object). Iteratee functions may exit * iteration early by explicitly returning `false`. * * @static * @memberOf _ * @since 0.3.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Object} Returns `object`. * @see _.forInRight * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.forIn(new Foo, function(value, key) { * console.log(key); * }); * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed). */ function forIn(object, iteratee) { return object == null ? object : baseFor(object, getIteratee(iteratee, 3), keysIn); } /** * This method is like `_.forIn` except that it iterates over properties of * `object` in the opposite order. * * @static * @memberOf _ * @since 2.0.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Object} Returns `object`. * @see _.forIn * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.forInRight(new Foo, function(value, key) { * console.log(key); * }); * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'. */ function forInRight(object, iteratee) { return object == null ? object : baseForRight(object, getIteratee(iteratee, 3), keysIn); } /** * Iterates over own enumerable string keyed properties of an object and * invokes `iteratee` for each property. The iteratee is invoked with three * arguments: (value, key, object). Iteratee functions may exit iteration * early by explicitly returning `false`. * * @static * @memberOf _ * @since 0.3.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Object} Returns `object`. * @see _.forOwnRight * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.forOwn(new Foo, function(value, key) { * console.log(key); * }); * // => Logs 'a' then 'b' (iteration order is not guaranteed). */ function forOwn(object, iteratee) { return object && baseForOwn(object, getIteratee(iteratee, 3)); } /** * This method is like `_.forOwn` except that it iterates over properties of * `object` in the opposite order. * * @static * @memberOf _ * @since 2.0.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Object} Returns `object`. * @see _.forOwn * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.forOwnRight(new Foo, function(value, key) { * console.log(key); * }); * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'. */ function forOwnRight(object, iteratee) { return object && baseForOwnRight(object, getIteratee(iteratee, 3)); } /** * Creates an array of function property names from own enumerable properties * of `object`. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to inspect. * @returns {Array} Returns the function names. * @see _.functionsIn * @example * * function Foo() { * this.a = _.constant('a'); * this.b = _.constant('b'); * } * * Foo.prototype.c = _.constant('c'); * * _.functions(new Foo); * // => ['a', 'b'] */ function functions(object) { return object == null ? [] : baseFunctions(object, keys(object)); } /** * Creates an array of function property names from own and inherited * enumerable properties of `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to inspect. * @returns {Array} Returns the function names. * @see _.functions * @example * * function Foo() { * this.a = _.constant('a'); * this.b = _.constant('b'); * } * * Foo.prototype.c = _.constant('c'); * * _.functionsIn(new Foo); * // => ['a', 'b', 'c'] */ function functionsIn(object) { return object == null ? [] : baseFunctions(object, keysIn(object)); } /** * Gets the value at `path` of `object`. If the resolved value is * `undefined`, the `defaultValue` is returned in its place. * * @static * @memberOf _ * @since 3.7.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path of the property to get. * @param {*} [defaultValue] The value returned for `undefined` resolved values. * @returns {*} Returns the resolved value. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }] }; * * _.get(object, 'a[0].b.c'); * // => 3 * * _.get(object, ['a', '0', 'b', 'c']); * // => 3 * * _.get(object, 'a.b.c', 'default'); * // => 'default' */ function get(object, path, defaultValue) { var result = object == null ? undefined : baseGet(object, path); return result === undefined ? defaultValue : result; } /** * Checks if `path` is a direct property of `object`. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` exists, else `false`. * @example * * var object = { 'a': { 'b': 2 } }; * var other = _.create({ 'a': _.create({ 'b': 2 }) }); * * _.has(object, 'a'); * // => true * * _.has(object, 'a.b'); * // => true * * _.has(object, ['a', 'b']); * // => true * * _.has(other, 'a'); * // => false */ function has(object, path) { return object != null && hasPath(object, path, baseHas); } /** * Checks if `path` is a direct or inherited property of `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` exists, else `false`. * @example * * var object = _.create({ 'a': _.create({ 'b': 2 }) }); * * _.hasIn(object, 'a'); * // => true * * _.hasIn(object, 'a.b'); * // => true * * _.hasIn(object, ['a', 'b']); * // => true * * _.hasIn(object, 'b'); * // => false */ function hasIn(object, path) { return object != null && hasPath(object, path, baseHasIn); } /** * Creates an object composed of the inverted keys and values of `object`. * If `object` contains duplicate values, subsequent values overwrite * property assignments of previous values. * * @static * @memberOf _ * @since 0.7.0 * @category Object * @param {Object} object The object to invert. * @returns {Object} Returns the new inverted object. * @example * * var object = { 'a': 1, 'b': 2, 'c': 1 }; * * _.invert(object); * // => { '1': 'c', '2': 'b' } */ var invert = createInverter(function(result, value, key) { if (value != null && typeof value.toString != 'function') { value = nativeObjectToString.call(value); } result[value] = key; }, constant(identity)); /** * This method is like `_.invert` except that the inverted object is generated * from the results of running each element of `object` thru `iteratee`. The * corresponding inverted value of each inverted key is an array of keys * responsible for generating the inverted value. The iteratee is invoked * with one argument: (value). * * @static * @memberOf _ * @since 4.1.0 * @category Object * @param {Object} object The object to invert. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {Object} Returns the new inverted object. * @example * * var object = { 'a': 1, 'b': 2, 'c': 1 }; * * _.invertBy(object); * // => { '1': ['a', 'c'], '2': ['b'] } * * _.invertBy(object, function(value) { * return 'group' + value; * }); * // => { 'group1': ['a', 'c'], 'group2': ['b'] } */ var invertBy = createInverter(function(result, value, key) { if (value != null && typeof value.toString != 'function') { value = nativeObjectToString.call(value); } if (hasOwnProperty.call(result, value)) { result[value].push(key); } else { result[value] = [key]; } }, getIteratee); /** * Invokes the method at `path` of `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path of the method to invoke. * @param {...*} [args] The arguments to invoke the method with. * @returns {*} Returns the result of the invoked method. * @example * * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] }; * * _.invoke(object, 'a[0].b.c.slice', 1, 3); * // => [2, 3] */ var invoke = baseRest(baseInvoke); /** * Creates an array of the own enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. See the * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) * for more details. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keys(new Foo); * // => ['a', 'b'] (iteration order is not guaranteed) * * _.keys('hi'); * // => ['0', '1'] */ function keys(object) { return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object); } /** * Creates an array of the own and inherited enumerable property names of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @memberOf _ * @since 3.0.0 * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property names. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.keysIn(new Foo); * // => ['a', 'b', 'c'] (iteration order is not guaranteed) */ function keysIn(object) { return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object); } /** * The opposite of `_.mapValues`; this method creates an object with the * same values as `object` and keys generated by running each own enumerable * string keyed property of `object` thru `iteratee`. The iteratee is invoked * with three arguments: (value, key, object). * * @static * @memberOf _ * @since 3.8.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Object} Returns the new mapped object. * @see _.mapValues * @example * * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) { * return key + value; * }); * // => { 'a1': 1, 'b2': 2 } */ function mapKeys(object, iteratee) { var result = {}; iteratee = getIteratee(iteratee, 3); baseForOwn(object, function(value, key, object) { baseAssignValue(result, iteratee(value, key, object), value); }); return result; } /** * Creates an object with the same keys as `object` and values generated * by running each own enumerable string keyed property of `object` thru * `iteratee`. The iteratee is invoked with three arguments: * (value, key, object). * * @static * @memberOf _ * @since 2.4.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @returns {Object} Returns the new mapped object. * @see _.mapKeys * @example * * var users = { * 'fred': { 'user': 'fred', 'age': 40 }, * 'pebbles': { 'user': 'pebbles', 'age': 1 } * }; * * _.mapValues(users, function(o) { return o.age; }); * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) * * // The `_.property` iteratee shorthand. * _.mapValues(users, 'age'); * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed) */ function mapValues(object, iteratee) { var result = {}; iteratee = getIteratee(iteratee, 3); baseForOwn(object, function(value, key, object) { baseAssignValue(result, key, iteratee(value, key, object)); }); return result; } /** * This method is like `_.assign` except that it recursively merges own and * inherited enumerable string keyed properties of source objects into the * destination object. Source properties that resolve to `undefined` are * skipped if a destination value exists. Array and plain object properties * are merged recursively. Other objects and value types are overridden by * assignment. Source objects are applied from left to right. Subsequent * sources overwrite property assignments of previous sources. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 0.5.0 * @category Object * @param {Object} object The destination object. * @param {...Object} [sources] The source objects. * @returns {Object} Returns `object`. * @example * * var object = { * 'a': [{ 'b': 2 }, { 'd': 4 }] * }; * * var other = { * 'a': [{ 'c': 3 }, { 'e': 5 }] * }; * * _.merge(object, other); * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] } */ var merge = createAssigner(function(object, source, srcIndex) { baseMerge(object, source, srcIndex); }); /** * This method is like `_.merge` except that it accepts `customizer` which * is invoked to produce the merged values of the destination and source * properties. If `customizer` returns `undefined`, merging is handled by the * method instead. The `customizer` is invoked with six arguments: * (objValue, srcValue, key, object, source, stack). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The destination object. * @param {...Object} sources The source objects. * @param {Function} customizer The function to customize assigned values. * @returns {Object} Returns `object`. * @example * * function customizer(objValue, srcValue) { * if (_.isArray(objValue)) { * return objValue.concat(srcValue); * } * } * * var object = { 'a': [1], 'b': [2] }; * var other = { 'a': [3], 'b': [4] }; * * _.mergeWith(object, other, customizer); * // => { 'a': [1, 3], 'b': [2, 4] } */ var mergeWith = createAssigner(function(object, source, srcIndex, customizer) { baseMerge(object, source, srcIndex, customizer); }); /** * The opposite of `_.pick`; this method creates an object composed of the * own and inherited enumerable property paths of `object` that are not omitted. * * **Note:** This method is considerably slower than `_.pick`. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The source object. * @param {...(string|string[])} [paths] The property paths to omit. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.omit(object, ['a', 'c']); * // => { 'b': '2' } */ var omit = flatRest(function(object, paths) { var result = {}; if (object == null) { return result; } var isDeep = false; paths = arrayMap(paths, function(path) { path = castPath(path, object); isDeep || (isDeep = path.length > 1); return path; }); copyObject(object, getAllKeysIn(object), result); if (isDeep) { result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone); } var length = paths.length; while (length--) { baseUnset(result, paths[length]); } return result; }); /** * The opposite of `_.pickBy`; this method creates an object composed of * the own and inherited enumerable string keyed properties of `object` that * `predicate` doesn't return truthy for. The predicate is invoked with two * arguments: (value, key). * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The source object. * @param {Function} [predicate=_.identity] The function invoked per property. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.omitBy(object, _.isNumber); * // => { 'b': '2' } */ function omitBy(object, predicate) { return pickBy(object, negate(getIteratee(predicate))); } /** * Creates an object composed of the picked `object` properties. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The source object. * @param {...(string|string[])} [paths] The property paths to pick. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.pick(object, ['a', 'c']); * // => { 'a': 1, 'c': 3 } */ var pick = flatRest(function(object, paths) { return object == null ? {} : basePick(object, paths); }); /** * Creates an object composed of the `object` properties `predicate` returns * truthy for. The predicate is invoked with two arguments: (value, key). * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The source object. * @param {Function} [predicate=_.identity] The function invoked per property. * @returns {Object} Returns the new object. * @example * * var object = { 'a': 1, 'b': '2', 'c': 3 }; * * _.pickBy(object, _.isNumber); * // => { 'a': 1, 'c': 3 } */ function pickBy(object, predicate) { if (object == null) { return {}; } var props = arrayMap(getAllKeysIn(object), function(prop) { return [prop]; }); predicate = getIteratee(predicate); return basePickBy(object, props, function(value, path) { return predicate(value, path[0]); }); } /** * This method is like `_.get` except that if the resolved value is a * function it's invoked with the `this` binding of its parent object and * its result is returned. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path of the property to resolve. * @param {*} [defaultValue] The value returned for `undefined` resolved values. * @returns {*} Returns the resolved value. * @example * * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] }; * * _.result(object, 'a[0].b.c1'); * // => 3 * * _.result(object, 'a[0].b.c2'); * // => 4 * * _.result(object, 'a[0].b.c3', 'default'); * // => 'default' * * _.result(object, 'a[0].b.c3', _.constant('default')); * // => 'default' */ function result(object, path, defaultValue) { path = castPath(path, object); var index = -1, length = path.length; // Ensure the loop is entered when path is empty. if (!length) { length = 1; object = undefined; } while (++index < length) { var value = object == null ? undefined : object[toKey(path[index])]; if (value === undefined) { index = length; value = defaultValue; } object = isFunction(value) ? value.call(object) : value; } return object; } /** * Sets the value at `path` of `object`. If a portion of `path` doesn't exist, * it's created. Arrays are created for missing index properties while objects * are created for all other missing properties. Use `_.setWith` to customize * `path` creation. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 3.7.0 * @category Object * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to set. * @param {*} value The value to set. * @returns {Object} Returns `object`. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }] }; * * _.set(object, 'a[0].b.c', 4); * console.log(object.a[0].b.c); * // => 4 * * _.set(object, ['x', '0', 'y', 'z'], 5); * console.log(object.x[0].y.z); * // => 5 */ function set(object, path, value) { return object == null ? object : baseSet(object, path, value); } /** * This method is like `_.set` except that it accepts `customizer` which is * invoked to produce the objects of `path`. If `customizer` returns `undefined` * path creation is handled by the method instead. The `customizer` is invoked * with three arguments: (nsValue, key, nsObject). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to set. * @param {*} value The value to set. * @param {Function} [customizer] The function to customize assigned values. * @returns {Object} Returns `object`. * @example * * var object = {}; * * _.setWith(object, '[0][1]', 'a', Object); * // => { '0': { '1': 'a' } } */ function setWith(object, path, value, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return object == null ? object : baseSet(object, path, value, customizer); } /** * Creates an array of own enumerable string keyed-value pairs for `object` * which can be consumed by `_.fromPairs`. If `object` is a map or set, its * entries are returned. * * @static * @memberOf _ * @since 4.0.0 * @alias entries * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the key-value pairs. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.toPairs(new Foo); * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed) */ var toPairs = createToPairs(keys); /** * Creates an array of own and inherited enumerable string keyed-value pairs * for `object` which can be consumed by `_.fromPairs`. If `object` is a map * or set, its entries are returned. * * @static * @memberOf _ * @since 4.0.0 * @alias entriesIn * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the key-value pairs. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.toPairsIn(new Foo); * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed) */ var toPairsIn = createToPairs(keysIn); /** * An alternative to `_.reduce`; this method transforms `object` to a new * `accumulator` object which is the result of running each of its own * enumerable string keyed properties thru `iteratee`, with each invocation * potentially mutating the `accumulator` object. If `accumulator` is not * provided, a new object with the same `[[Prototype]]` will be used. The * iteratee is invoked with four arguments: (accumulator, value, key, object). * Iteratee functions may exit iteration early by explicitly returning `false`. * * @static * @memberOf _ * @since 1.3.0 * @category Object * @param {Object} object The object to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @param {*} [accumulator] The custom accumulator value. * @returns {*} Returns the accumulated value. * @example * * _.transform([2, 3, 4], function(result, n) { * result.push(n *= n); * return n % 2 == 0; * }, []); * // => [4, 9] * * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) { * (result[value] || (result[value] = [])).push(key); * }, {}); * // => { '1': ['a', 'c'], '2': ['b'] } */ function transform(object, iteratee, accumulator) { var isArr = isArray(object), isArrLike = isArr || isBuffer(object) || isTypedArray(object); iteratee = getIteratee(iteratee, 4); if (accumulator == null) { var Ctor = object && object.constructor; if (isArrLike) { accumulator = isArr ? new Ctor : []; } else if (isObject(object)) { accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {}; } else { accumulator = {}; } } (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) { return iteratee(accumulator, value, index, object); }); return accumulator; } /** * Removes the property at `path` of `object`. * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.0.0 * @category Object * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to unset. * @returns {boolean} Returns `true` if the property is deleted, else `false`. * @example * * var object = { 'a': [{ 'b': { 'c': 7 } }] }; * _.unset(object, 'a[0].b.c'); * // => true * * console.log(object); * // => { 'a': [{ 'b': {} }] }; * * _.unset(object, ['a', '0', 'b', 'c']); * // => true * * console.log(object); * // => { 'a': [{ 'b': {} }] }; */ function unset(object, path) { return object == null ? true : baseUnset(object, path); } /** * This method is like `_.set` except that accepts `updater` to produce the * value to set. Use `_.updateWith` to customize `path` creation. The `updater` * is invoked with one argument: (value). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.6.0 * @category Object * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to set. * @param {Function} updater The function to produce the updated value. * @returns {Object} Returns `object`. * @example * * var object = { 'a': [{ 'b': { 'c': 3 } }] }; * * _.update(object, 'a[0].b.c', function(n) { return n * n; }); * console.log(object.a[0].b.c); * // => 9 * * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; }); * console.log(object.x[0].y.z); * // => 0 */ function update(object, path, updater) { return object == null ? object : baseUpdate(object, path, castFunction(updater)); } /** * This method is like `_.update` except that it accepts `customizer` which is * invoked to produce the objects of `path`. If `customizer` returns `undefined` * path creation is handled by the method instead. The `customizer` is invoked * with three arguments: (nsValue, key, nsObject). * * **Note:** This method mutates `object`. * * @static * @memberOf _ * @since 4.6.0 * @category Object * @param {Object} object The object to modify. * @param {Array|string} path The path of the property to set. * @param {Function} updater The function to produce the updated value. * @param {Function} [customizer] The function to customize assigned values. * @returns {Object} Returns `object`. * @example * * var object = {}; * * _.updateWith(object, '[0][1]', _.constant('a'), Object); * // => { '0': { '1': 'a' } } */ function updateWith(object, path, updater, customizer) { customizer = typeof customizer == 'function' ? customizer : undefined; return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer); } /** * Creates an array of the own enumerable string keyed property values of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @since 0.1.0 * @memberOf _ * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property values. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.values(new Foo); * // => [1, 2] (iteration order is not guaranteed) * * _.values('hi'); * // => ['h', 'i'] */ function values(object) { return object == null ? [] : baseValues(object, keys(object)); } /** * Creates an array of the own and inherited enumerable string keyed property * values of `object`. * * **Note:** Non-object values are coerced to objects. * * @static * @memberOf _ * @since 3.0.0 * @category Object * @param {Object} object The object to query. * @returns {Array} Returns the array of property values. * @example * * function Foo() { * this.a = 1; * this.b = 2; * } * * Foo.prototype.c = 3; * * _.valuesIn(new Foo); * // => [1, 2, 3] (iteration order is not guaranteed) */ function valuesIn(object) { return object == null ? [] : baseValues(object, keysIn(object)); } /*------------------------------------------------------------------------*/ /** * Clamps `number` within the inclusive `lower` and `upper` bounds. * * @static * @memberOf _ * @since 4.0.0 * @category Number * @param {number} number The number to clamp. * @param {number} [lower] The lower bound. * @param {number} upper The upper bound. * @returns {number} Returns the clamped number. * @example * * _.clamp(-10, -5, 5); * // => -5 * * _.clamp(10, -5, 5); * // => 5 */ function clamp(number, lower, upper) { if (upper === undefined) { upper = lower; lower = undefined; } if (upper !== undefined) { upper = toNumber(upper); upper = upper === upper ? upper : 0; } if (lower !== undefined) { lower = toNumber(lower); lower = lower === lower ? lower : 0; } return baseClamp(toNumber(number), lower, upper); } /** * Checks if `n` is between `start` and up to, but not including, `end`. If * `end` is not specified, it's set to `start` with `start` then set to `0`. * If `start` is greater than `end` the params are swapped to support * negative ranges. * * @static * @memberOf _ * @since 3.3.0 * @category Number * @param {number} number The number to check. * @param {number} [start=0] The start of the range. * @param {number} end The end of the range. * @returns {boolean} Returns `true` if `number` is in the range, else `false`. * @see _.range, _.rangeRight * @example * * _.inRange(3, 2, 4); * // => true * * _.inRange(4, 8); * // => true * * _.inRange(4, 2); * // => false * * _.inRange(2, 2); * // => false * * _.inRange(1.2, 2); * // => true * * _.inRange(5.2, 4); * // => false * * _.inRange(-3, -2, -6); * // => true */ function inRange(number, start, end) { start = toFinite(start); if (end === undefined) { end = start; start = 0; } else { end = toFinite(end); } number = toNumber(number); return baseInRange(number, start, end); } /** * Produces a random number between the inclusive `lower` and `upper` bounds. * If only one argument is provided a number between `0` and the given number * is returned. If `floating` is `true`, or either `lower` or `upper` are * floats, a floating-point number is returned instead of an integer. * * **Note:** JavaScript follows the IEEE-754 standard for resolving * floating-point values which can produce unexpected results. * * @static * @memberOf _ * @since 0.7.0 * @category Number * @param {number} [lower=0] The lower bound. * @param {number} [upper=1] The upper bound. * @param {boolean} [floating] Specify returning a floating-point number. * @returns {number} Returns the random number. * @example * * _.random(0, 5); * // => an integer between 0 and 5 * * _.random(5); * // => also an integer between 0 and 5 * * _.random(5, true); * // => a floating-point number between 0 and 5 * * _.random(1.2, 5.2); * // => a floating-point number between 1.2 and 5.2 */ function random(lower, upper, floating) { if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) { upper = floating = undefined; } if (floating === undefined) { if (typeof upper == 'boolean') { floating = upper; upper = undefined; } else if (typeof lower == 'boolean') { floating = lower; lower = undefined; } } if (lower === undefined && upper === undefined) { lower = 0; upper = 1; } else { lower = toFinite(lower); if (upper === undefined) { upper = lower; lower = 0; } else { upper = toFinite(upper); } } if (lower > upper) { var temp = lower; lower = upper; upper = temp; } if (floating || lower % 1 || upper % 1) { var rand = nativeRandom(); return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper); } return baseRandom(lower, upper); } /*------------------------------------------------------------------------*/ /** * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase). * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to convert. * @returns {string} Returns the camel cased string. * @example * * _.camelCase('Foo Bar'); * // => 'fooBar' * * _.camelCase('--foo-bar--'); * // => 'fooBar' * * _.camelCase('__FOO_BAR__'); * // => 'fooBar' */ var camelCase = createCompounder(function(result, word, index) { word = word.toLowerCase(); return result + (index ? capitalize(word) : word); }); /** * Converts the first character of `string` to upper case and the remaining * to lower case. * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to capitalize. * @returns {string} Returns the capitalized string. * @example * * _.capitalize('FRED'); * // => 'Fred' */ function capitalize(string) { return upperFirst(toString(string).toLowerCase()); } /** * Deburrs `string` by converting * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table) * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A) * letters to basic Latin letters and removing * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to deburr. * @returns {string} Returns the deburred string. * @example * * _.deburr('déjà vu'); * // => 'deja vu' */ function deburr(string) { string = toString(string); return string && string.replace(reLatin, deburrLetter).replace(reComboMark, ''); } /** * Checks if `string` ends with the given target string. * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to inspect. * @param {string} [target] The string to search for. * @param {number} [position=string.length] The position to search up to. * @returns {boolean} Returns `true` if `string` ends with `target`, * else `false`. * @example * * _.endsWith('abc', 'c'); * // => true * * _.endsWith('abc', 'b'); * // => false * * _.endsWith('abc', 'b', 2); * // => true */ function endsWith(string, target, position) { string = toString(string); target = baseToString(target); var length = string.length; position = position === undefined ? length : baseClamp(toInteger(position), 0, length); var end = position; position -= target.length; return position >= 0 && string.slice(position, end) == target; } /** * Converts the characters "&", "<", ">", '"', and "'" in `string` to their * corresponding HTML entities. * * **Note:** No other characters are escaped. To escape additional * characters use a third-party library like [_he_](https://mths.be/he). * * Though the ">" character is escaped for symmetry, characters like * ">" and "/" don't need escaping in HTML and have no special meaning * unless they're part of a tag or unquoted attribute value. See * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands) * (under "semi-related fun fact") for more details. * * When working with HTML you should always * [quote attribute values](http://wonko.com/post/html-escaping) to reduce * XSS vectors. * * @static * @since 0.1.0 * @memberOf _ * @category String * @param {string} [string=''] The string to escape. * @returns {string} Returns the escaped string. * @example * * _.escape('fred, barney, & pebbles'); * // => 'fred, barney, & pebbles' */ function escape(string) { string = toString(string); return (string && reHasUnescapedHtml.test(string)) ? string.replace(reUnescapedHtml, escapeHtmlChar) : string; } /** * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+", * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`. * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to escape. * @returns {string} Returns the escaped string. * @example * * _.escapeRegExp('[lodash](https://lodash.com/)'); * // => '\[lodash\]\(https://lodash\.com/\)' */ function escapeRegExp(string) { string = toString(string); return (string && reHasRegExpChar.test(string)) ? string.replace(reRegExpChar, '\\$&') : string; } /** * Converts `string` to * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles). * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to convert. * @returns {string} Returns the kebab cased string. * @example * * _.kebabCase('Foo Bar'); * // => 'foo-bar' * * _.kebabCase('fooBar'); * // => 'foo-bar' * * _.kebabCase('__FOO_BAR__'); * // => 'foo-bar' */ var kebabCase = createCompounder(function(result, word, index) { return result + (index ? '-' : '') + word.toLowerCase(); }); /** * Converts `string`, as space separated words, to lower case. * * @static * @memberOf _ * @since 4.0.0 * @category String * @param {string} [string=''] The string to convert. * @returns {string} Returns the lower cased string. * @example * * _.lowerCase('--Foo-Bar--'); * // => 'foo bar' * * _.lowerCase('fooBar'); * // => 'foo bar' * * _.lowerCase('__FOO_BAR__'); * // => 'foo bar' */ var lowerCase = createCompounder(function(result, word, index) { return result + (index ? ' ' : '') + word.toLowerCase(); }); /** * Converts the first character of `string` to lower case. * * @static * @memberOf _ * @since 4.0.0 * @category String * @param {string} [string=''] The string to convert. * @returns {string} Returns the converted string. * @example * * _.lowerFirst('Fred'); * // => 'fred' * * _.lowerFirst('FRED'); * // => 'fRED' */ var lowerFirst = createCaseFirst('toLowerCase'); /** * Pads `string` on the left and right sides if it's shorter than `length`. * Padding characters are truncated if they can't be evenly divided by `length`. * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to pad. * @param {number} [length=0] The padding length. * @param {string} [chars=' '] The string used as padding. * @returns {string} Returns the padded string. * @example * * _.pad('abc', 8); * // => ' abc ' * * _.pad('abc', 8, '_-'); * // => '_-abc_-_' * * _.pad('abc', 3); * // => 'abc' */ function pad(string, length, chars) { string = toString(string); length = toInteger(length); var strLength = length ? stringSize(string) : 0; if (!length || strLength >= length) { return string; } var mid = (length - strLength) / 2; return ( createPadding(nativeFloor(mid), chars) + string + createPadding(nativeCeil(mid), chars) ); } /** * Pads `string` on the right side if it's shorter than `length`. Padding * characters are truncated if they exceed `length`. * * @static * @memberOf _ * @since 4.0.0 * @category String * @param {string} [string=''] The string to pad. * @param {number} [length=0] The padding length. * @param {string} [chars=' '] The string used as padding. * @returns {string} Returns the padded string. * @example * * _.padEnd('abc', 6); * // => 'abc ' * * _.padEnd('abc', 6, '_-'); * // => 'abc_-_' * * _.padEnd('abc', 3); * // => 'abc' */ function padEnd(string, length, chars) { string = toString(string); length = toInteger(length); var strLength = length ? stringSize(string) : 0; return (length && strLength < length) ? (string + createPadding(length - strLength, chars)) : string; } /** * Pads `string` on the left side if it's shorter than `length`. Padding * characters are truncated if they exceed `length`. * * @static * @memberOf _ * @since 4.0.0 * @category String * @param {string} [string=''] The string to pad. * @param {number} [length=0] The padding length. * @param {string} [chars=' '] The string used as padding. * @returns {string} Returns the padded string. * @example * * _.padStart('abc', 6); * // => ' abc' * * _.padStart('abc', 6, '_-'); * // => '_-_abc' * * _.padStart('abc', 3); * // => 'abc' */ function padStart(string, length, chars) { string = toString(string); length = toInteger(length); var strLength = length ? stringSize(string) : 0; return (length && strLength < length) ? (createPadding(length - strLength, chars) + string) : string; } /** * Converts `string` to an integer of the specified radix. If `radix` is * `undefined` or `0`, a `radix` of `10` is used unless `value` is a * hexadecimal, in which case a `radix` of `16` is used. * * **Note:** This method aligns with the * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`. * * @static * @memberOf _ * @since 1.1.0 * @category String * @param {string} string The string to convert. * @param {number} [radix=10] The radix to interpret `value` by. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {number} Returns the converted integer. * @example * * _.parseInt('08'); * // => 8 * * _.map(['6', '08', '10'], _.parseInt); * // => [6, 8, 10] */ function parseInt(string, radix, guard) { if (guard || radix == null) { radix = 0; } else if (radix) { radix = +radix; } return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0); } /** * Repeats the given string `n` times. * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to repeat. * @param {number} [n=1] The number of times to repeat the string. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {string} Returns the repeated string. * @example * * _.repeat('*', 3); * // => '***' * * _.repeat('abc', 2); * // => 'abcabc' * * _.repeat('abc', 0); * // => '' */ function repeat(string, n, guard) { if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) { n = 1; } else { n = toInteger(n); } return baseRepeat(toString(string), n); } /** * Replaces matches for `pattern` in `string` with `replacement`. * * **Note:** This method is based on * [`String#replace`](https://mdn.io/String/replace). * * @static * @memberOf _ * @since 4.0.0 * @category String * @param {string} [string=''] The string to modify. * @param {RegExp|string} pattern The pattern to replace. * @param {Function|string} replacement The match replacement. * @returns {string} Returns the modified string. * @example * * _.replace('Hi Fred', 'Fred', 'Barney'); * // => 'Hi Barney' */ function replace() { var args = arguments, string = toString(args[0]); return args.length < 3 ? string : string.replace(args[1], args[2]); } /** * Converts `string` to * [snake case](https://en.wikipedia.org/wiki/Snake_case). * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to convert. * @returns {string} Returns the snake cased string. * @example * * _.snakeCase('Foo Bar'); * // => 'foo_bar' * * _.snakeCase('fooBar'); * // => 'foo_bar' * * _.snakeCase('--FOO-BAR--'); * // => 'foo_bar' */ var snakeCase = createCompounder(function(result, word, index) { return result + (index ? '_' : '') + word.toLowerCase(); }); /** * Splits `string` by `separator`. * * **Note:** This method is based on * [`String#split`](https://mdn.io/String/split). * * @static * @memberOf _ * @since 4.0.0 * @category String * @param {string} [string=''] The string to split. * @param {RegExp|string} separator The separator pattern to split by. * @param {number} [limit] The length to truncate results to. * @returns {Array} Returns the string segments. * @example * * _.split('a-b-c', '-', 2); * // => ['a', 'b'] */ function split(string, separator, limit) { if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) { separator = limit = undefined; } limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0; if (!limit) { return []; } string = toString(string); if (string && ( typeof separator == 'string' || (separator != null && !isRegExp(separator)) )) { separator = baseToString(separator); if (!separator && hasUnicode(string)) { return castSlice(stringToArray(string), 0, limit); } } return string.split(separator, limit); } /** * Converts `string` to * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage). * * @static * @memberOf _ * @since 3.1.0 * @category String * @param {string} [string=''] The string to convert. * @returns {string} Returns the start cased string. * @example * * _.startCase('--foo-bar--'); * // => 'Foo Bar' * * _.startCase('fooBar'); * // => 'Foo Bar' * * _.startCase('__FOO_BAR__'); * // => 'FOO BAR' */ var startCase = createCompounder(function(result, word, index) { return result + (index ? ' ' : '') + upperFirst(word); }); /** * Checks if `string` starts with the given target string. * * @static * @memberOf _ * @since 3.0.0 * @category String * @param {string} [string=''] The string to inspect. * @param {string} [target] The string to search for. * @param {number} [position=0] The position to search from. * @returns {boolean} Returns `true` if `string` starts with `target`, * else `false`. * @example * * _.startsWith('abc', 'a'); * // => true * * _.startsWith('abc', 'b'); * // => false * * _.startsWith('abc', 'b', 1); * // => true */ function startsWith(string, target, position) { string = toString(string); position = position == null ? 0 : baseClamp(toInteger(position), 0, string.length); target = baseToString(target); return string.slice(position, position + target.length) == target; } /** * Creates a compiled template function that can interpolate data properties * in "interpolate" delimiters, HTML-escape interpolated data properties in * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data * properties may be accessed as free variables in the template. If a setting * object is given, it takes precedence over `_.templateSettings` values. * * **Note:** In the development build `_.template` utilizes * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl) * for easier debugging. * * For more information on precompiling templates see * [lodash's custom builds documentation](https://lodash.com/custom-builds). * * For more information on Chrome extension sandboxes see * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval). * * @static * @since 0.1.0 * @memberOf _ * @category String * @param {string} [string=''] The template string. * @param {Object} [options={}] The options object. * @param {RegExp} [options.escape=_.templateSettings.escape] * The HTML "escape" delimiter. * @param {RegExp} [options.evaluate=_.templateSettings.evaluate] * The "evaluate" delimiter. * @param {Object} [options.imports=_.templateSettings.imports] * An object to import into the template as free variables. * @param {RegExp} [options.interpolate=_.templateSettings.interpolate] * The "interpolate" delimiter. * @param {string} [options.sourceURL='lodash.templateSources[n]'] * The sourceURL of the compiled template. * @param {string} [options.variable='obj'] * The data object variable name. * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`. * @returns {Function} Returns the compiled template function. * @example * * // Use the "interpolate" delimiter to create a compiled template. * var compiled = _.template('hello <%= user %>!'); * compiled({ 'user': 'fred' }); * // => 'hello fred!' * * // Use the HTML "escape" delimiter to escape data property values. * var compiled = _.template('<%- value %>'); * compiled({ 'value': '