source: frontend/node_modules/webpack/lib/hmr/HotModuleReplacementRuntimeModule.js

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

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");
const RuntimeModule = require("../RuntimeModule");
const Template = require("../Template");

class HotModuleReplacementRuntimeModule extends RuntimeModule {
        constructor() {
                super("hot module replacement", RuntimeModule.STAGE_BASIC);
        }

        /**
         * Generates runtime code for this runtime module.
         * @returns {string | null} runtime code
         */
        generate() {
                return Template.getFunctionContent(
                        require("./HotModuleReplacement.runtime")
                )
                        .replace(
                                /\$interceptModuleExecution\$/g,
                                RuntimeGlobals.interceptModuleExecution
                        )
                        .replace(/\$moduleCache\$/g, RuntimeGlobals.moduleCache)
                        .replace(/\$hmrModuleData\$/g, RuntimeGlobals.hmrModuleData)
                        .replace(/\$hmrDownloadManifest\$/g, RuntimeGlobals.hmrDownloadManifest)
                        .replace(
                                /\$hmrInvalidateModuleHandlers\$/g,
                                RuntimeGlobals.hmrInvalidateModuleHandlers
                        )
                        .replace(
                                /\$hmrDownloadUpdateHandlers\$/g,
                                RuntimeGlobals.hmrDownloadUpdateHandlers
                        );
        }
}

module.exports = HotModuleReplacementRuntimeModule;