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- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
-
- var _terser = require("terser");
-
- function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
-
- function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(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; }
-
- const buildTerserOptions = ({
- ecma,
- warnings,
- parse = {},
- compress = {},
- mangle,
- module,
- output,
- toplevel,
- nameCache,
- ie8,
-
- /* eslint-disable camelcase */
- keep_classnames,
- keep_fnames,
-
- /* eslint-enable camelcase */
- safari10
- } = {}) => ({
- ecma,
- warnings,
- parse: _objectSpread({}, parse),
- compress: typeof compress === 'boolean' ? compress : _objectSpread({}, compress),
- // eslint-disable-next-line no-nested-ternary
- mangle: mangle == null ? true : typeof mangle === 'boolean' ? mangle : _objectSpread({}, mangle),
- output: _objectSpread({
- shebang: true,
- comments: false,
- beautify: false,
- semicolons: true
- }, output),
- module,
- // Ignoring sourceMap from options
- sourceMap: null,
- toplevel,
- nameCache,
- ie8,
- keep_classnames,
- keep_fnames,
- safari10
- });
-
- const buildComments = (options, terserOptions, extractedComments) => {
- const condition = {};
- const commentsOpts = terserOptions.output.comments; // Use /^\**!|@preserve|@license|@cc_on/i RegExp
-
- if (typeof options.extractComments === 'boolean') {
- condition.preserve = commentsOpts;
- condition.extract = /^\**!|@preserve|@license|@cc_on/i;
- } else if (typeof options.extractComments === 'string' || options.extractComments instanceof RegExp) {
- // extractComments specifies the extract condition and commentsOpts specifies the preserve condition
- condition.preserve = commentsOpts;
- condition.extract = options.extractComments;
- } else if (typeof options.extractComments === 'function') {
- condition.preserve = commentsOpts;
- condition.extract = options.extractComments;
- } else if (Object.prototype.hasOwnProperty.call(options.extractComments, 'condition')) {
- // Extract condition is given in extractComments.condition
- condition.preserve = commentsOpts;
- condition.extract = options.extractComments.condition;
- } else {
- // No extract condition is given. Extract comments that match commentsOpts instead of preserving them
- condition.preserve = false;
- condition.extract = commentsOpts;
- } // Ensure that both conditions are functions
-
-
- ['preserve', 'extract'].forEach(key => {
- let regexStr;
- let regex;
-
- switch (typeof condition[key]) {
- case 'boolean':
- condition[key] = condition[key] ? () => true : () => false;
- break;
-
- case 'function':
- break;
-
- case 'string':
- if (condition[key] === 'all') {
- condition[key] = () => true;
-
- break;
- }
-
- if (condition[key] === 'some') {
- condition[key] = (astNode, comment) => {
- return comment.type === 'comment2' && /^\**!|@preserve|@license|@cc_on/i.test(comment.value);
- };
-
- break;
- }
-
- regexStr = condition[key];
-
- condition[key] = (astNode, comment) => {
- return new RegExp(regexStr).test(comment.value);
- };
-
- break;
-
- default:
- regex = condition[key];
-
- condition[key] = (astNode, comment) => regex.test(comment.value);
-
- }
- }); // Redefine the comments function to extract and preserve
- // comments according to the two conditions
-
- return (astNode, comment) => {
- if (condition.extract(astNode, comment)) {
- const commentText = comment.type === 'comment2' ? `/*${comment.value}*/` : `//${comment.value}`; // Don't include duplicate comments
-
- if (!extractedComments.includes(commentText)) {
- extractedComments.push(commentText);
- }
- }
-
- return condition.preserve(astNode, comment);
- };
- };
-
- const minify = options => {
- const {
- file,
- input,
- inputSourceMap,
- extractComments,
- minify: minifyFn
- } = options;
-
- if (minifyFn) {
- return minifyFn({
- [file]: input
- }, inputSourceMap);
- } // Copy terser options
-
-
- const terserOptions = buildTerserOptions(options.terserOptions); // Let terser generate a SourceMap
-
- if (inputSourceMap) {
- terserOptions.sourceMap = true;
- }
-
- const extractedComments = [];
-
- if (extractComments) {
- terserOptions.output.comments = buildComments(options, terserOptions, extractedComments);
- }
-
- const {
- error,
- map,
- code,
- warnings
- } = (0, _terser.minify)({
- [file]: input
- }, terserOptions);
- return {
- error,
- map,
- code,
- warnings,
- extractedComments
- };
- };
-
- var _default = minify;
- exports.default = _default;
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