rax-hot-module-replacement-webpack-plugin/src/Dependency.js

/*
  MIT License http://www.opensource.org/licenses/mit-license.php
  Author Tobias Koppers @sokra
*/
'use strict';
const compareLocations = require('./compareLocations');

class Dependency {
  constructor() {
    this.module = null;
  }

  isEqualResource() {
    return false;
  }

  // Returns the referenced module and export
  getReference() {
    if (!this.module) return null;
    return {
      module: this.module,
      importedNames: true, // true: full object, false: only sideeffects/no export, array of strings: the exports with this names
    };
  }

  // Returns the exported names
  getExports() {
    return null;
  }

  getWarnings() {
    return null;
  }

  getErrors() {
    return null;
  }

  updateHash(hash) {
    hash.update((this.module && this.module.id) + '');
  }

  disconnect() {
    this.module = null;
  }

  // TODO: remove in webpack 3
  compare(a, b) {
    return compareLocations(a.loc, b.loc);
  }
}
Dependency.compare = (a, b) => compareLocations(a.loc, b.loc);

module.exports = Dependency;