/**
 * Type for what object is instances of. Also applicable to "Constructor of T" as Types/Classes/Constructors are interchangable in TS.
 */
export interface Type<T> {
  new(...args: any[]): T;
}

export type Constructor<T> = Function & { prototype: T }

/**
 * Generic `ClassDecorator` type
 */
export type GenericClassDecorator<T> = (target: T) => void;

export type SingletonDefinition = {
  initializationPriority?: number //Priority of initializing this object after creation, lower value means higher priority; default: 0
  ctor: Type<any>                 //Object constructor to make singleton from
}

export class NamedError extends Error{
  constructor(message: string){
    super(message)
    this.name = this.constructor.name
  }
}

export class InjectionError extends NamedError{
  constructor(message: string){
    super(message)
  }
}

export class InjectionResolutionError extends InjectionError{
  constructor(message: string){
    super(message)
  }
}