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

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

const Template = require('./Template');

class JsonpMainTemplatePlugin {
  apply(mainTemplate) {
    mainTemplate.plugin('rax-hot-bootstrap', function(source, chunk, hash) {
      const hotUpdateChunkFilename = this.outputOptions.hotUpdateChunkFilename;
      const hotUpdateMainFilename = this.outputOptions.hotUpdateMainFilename;
      const hotUpdateFunction = this.outputOptions.hotUpdateFunction;
      const currentHotUpdateChunkFilename = this.applyPluginsWaterfall(
        'asset-path',
        JSON.stringify(hotUpdateChunkFilename),
        {
          hash: `" + ${this.renderCurrentHashCode(hash)} + "`,
          hashWithLength: length => `" + ${this.renderCurrentHashCode(hash, length)} + "`,
          chunk: {
            id: '" + chunkId + "'
          }
        }
      );
      const currentHotUpdateMainFilename = this.applyPluginsWaterfall(
        'asset-path',
        JSON.stringify(hotUpdateMainFilename),
        {
          hash: `" + ${this.renderCurrentHashCode(hash)} + "`,
          hashWithLength: length => `" + ${this.renderCurrentHashCode(hash, length)} + "`
        }
      );
      const runtimeSource = Template.getFunctionContent(require('./RaxJsonpMainTemplate.runtime.js'))
        .replace(/\/\/\$semicolon/g, ';')
        .replace(/\$require\$/g, this.requireFn)
        .replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
        .replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename)
        .replace(/\$hash\$/g, JSON.stringify(hash));
      return `${source}
function hotDisposeChunk(chunkId) {
  delete installedChunks[chunkId];
}
var parentHotUpdateCallback = global[${JSON.stringify(hotUpdateFunction)}];
global[${JSON.stringify(hotUpdateFunction)}] = ${runtimeSource}`;
    });
    mainTemplate.plugin('hash', function(hash) {
      hash.update('jsonp');
      hash.update('4');
      hash.update(`${this.outputOptions.filename}`);
      hash.update(`${this.outputOptions.chunkFilename}`);
      hash.update(`${this.outputOptions.jsonpFunction}`);
      hash.update(`${this.outputOptions.hotUpdateFunction}`);
    });
  }
}
module.exports = JsonpMainTemplatePlugin;