118 lines
3.8 KiB
JavaScript
118 lines
3.8 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const StartupChunkDependenciesPlugin = require("../runtime/StartupChunkDependenciesPlugin");
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compiler")} Compiler */
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/**
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* @typedef {object} CommonJsChunkLoadingPluginOptions
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* @property {boolean=} asyncChunkLoading enable async chunk loading
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*/
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const PLUGIN_NAME = "CommonJsChunkLoadingPlugin";
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class CommonJsChunkLoadingPlugin {
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/**
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* @param {CommonJsChunkLoadingPluginOptions=} options options
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*/
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constructor(options = {}) {
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this._asyncChunkLoading = options.asyncChunkLoading;
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}
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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const ChunkLoadingRuntimeModule = this._asyncChunkLoading
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? require("./ReadFileChunkLoadingRuntimeModule")
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: require("./RequireChunkLoadingRuntimeModule");
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const chunkLoadingValue = this._asyncChunkLoading
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? "async-node"
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: "require";
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new StartupChunkDependenciesPlugin({
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chunkLoading: chunkLoadingValue,
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asyncChunkLoading: this._asyncChunkLoading
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}).apply(compiler);
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compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
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const globalChunkLoading = compilation.outputOptions.chunkLoading;
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/**
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* @param {Chunk} chunk chunk
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* @returns {boolean} true, if wasm loading is enabled for the chunk
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*/
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const isEnabledForChunk = (chunk) => {
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const options = chunk.getEntryOptions();
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const chunkLoading =
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options && options.chunkLoading !== undefined
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? options.chunkLoading
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: globalChunkLoading;
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return chunkLoading === chunkLoadingValue;
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};
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const onceForChunkSet = new WeakSet();
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/**
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* @param {Chunk} chunk chunk
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* @param {Set<string>} set runtime requirements
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*/
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const handler = (chunk, set) => {
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if (onceForChunkSet.has(chunk)) return;
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onceForChunkSet.add(chunk);
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if (!isEnabledForChunk(chunk)) return;
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set.add(RuntimeGlobals.moduleFactoriesAddOnly);
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set.add(RuntimeGlobals.hasOwnProperty);
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compilation.addRuntimeModule(chunk, new ChunkLoadingRuntimeModule(set));
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};
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.ensureChunkHandlers)
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.tap(PLUGIN_NAME, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
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.tap(PLUGIN_NAME, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.hmrDownloadManifest)
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.tap(PLUGIN_NAME, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.baseURI)
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.tap(PLUGIN_NAME, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.externalInstallChunk)
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.tap(PLUGIN_NAME, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.onChunksLoaded)
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.tap(PLUGIN_NAME, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.ensureChunkHandlers)
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.tap(PLUGIN_NAME, (chunk, set) => {
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if (!isEnabledForChunk(chunk)) return;
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set.add(RuntimeGlobals.getChunkScriptFilename);
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});
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
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.tap(PLUGIN_NAME, (chunk, set) => {
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if (!isEnabledForChunk(chunk)) return;
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set.add(RuntimeGlobals.getChunkUpdateScriptFilename);
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set.add(RuntimeGlobals.moduleCache);
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set.add(RuntimeGlobals.hmrModuleData);
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set.add(RuntimeGlobals.moduleFactoriesAddOnly);
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});
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.hmrDownloadManifest)
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.tap(PLUGIN_NAME, (chunk, set) => {
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if (!isEnabledForChunk(chunk)) return;
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set.add(RuntimeGlobals.getUpdateManifestFilename);
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});
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});
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}
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}
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module.exports = CommonJsChunkLoadingPlugin;
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