source: trip-planner-front/node_modules/webpack/lib/esm/ModuleChunkLoadingPlugin.js

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

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");
const ExportWebpackRequireRuntimeModule = require("./ExportWebpackRequireRuntimeModule");
const ModuleChunkLoadingRuntimeModule = require("./ModuleChunkLoadingRuntimeModule");

/** @typedef {import("../Compiler")} Compiler */

class ModuleChunkLoadingPlugin {
        /**
         * Apply the plugin
         * @param {Compiler} compiler the compiler instance
         * @returns {void}
         */
        apply(compiler) {
                compiler.hooks.thisCompilation.tap(
                        "ModuleChunkLoadingPlugin",
                        compilation => {
                                const globalChunkLoading = compilation.outputOptions.chunkLoading;
                                const isEnabledForChunk = chunk => {
                                        const options = chunk.getEntryOptions();
                                        const chunkLoading =
                                                (options && options.chunkLoading) || globalChunkLoading;
                                        return chunkLoading === "import";
                                };
                                const onceForChunkSet = new WeakSet();
                                const handler = (chunk, set) => {
                                        if (onceForChunkSet.has(chunk)) return;
                                        onceForChunkSet.add(chunk);
                                        if (!isEnabledForChunk(chunk)) return;
                                        set.add(RuntimeGlobals.moduleFactoriesAddOnly);
                                        set.add(RuntimeGlobals.hasOwnProperty);
                                        compilation.addRuntimeModule(
                                                chunk,
                                                new ModuleChunkLoadingRuntimeModule(set)
                                        );
                                };
                                compilation.hooks.runtimeRequirementInTree
                                        .for(RuntimeGlobals.ensureChunkHandlers)
                                        .tap("ModuleChunkLoadingPlugin", handler);
                                compilation.hooks.runtimeRequirementInTree
                                        .for(RuntimeGlobals.baseURI)
                                        .tap("ModuleChunkLoadingPlugin", handler);
                                compilation.hooks.runtimeRequirementInTree
                                        .for(RuntimeGlobals.externalInstallChunk)
                                        .tap("ModuleChunkLoadingPlugin", handler);
                                compilation.hooks.runtimeRequirementInTree
                                        .for(RuntimeGlobals.onChunksLoaded)
                                        .tap("ModuleChunkLoadingPlugin", handler);
                                compilation.hooks.runtimeRequirementInTree
                                        .for(RuntimeGlobals.externalInstallChunk)
                                        .tap("ModuleChunkLoadingPlugin", (chunk, set) => {
                                                if (!isEnabledForChunk(chunk)) return;
                                                compilation.addRuntimeModule(
                                                        chunk,
                                                        new ExportWebpackRequireRuntimeModule()
                                                );
                                        });

                                compilation.hooks.runtimeRequirementInTree
                                        .for(RuntimeGlobals.ensureChunkHandlers)
                                        .tap("ModuleChunkLoadingPlugin", (chunk, set) => {
                                                if (!isEnabledForChunk(chunk)) return;
                                                set.add(RuntimeGlobals.getChunkScriptFilename);
                                        });
                        }
                );
        }
}

module.exports = ModuleChunkLoadingPlugin;