mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			122 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.0 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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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(
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			"CommonJsChunkLoadingPlugin",
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			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(
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						chunk,
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						new ChunkLoadingRuntimeModule(set)
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					);
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				};
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.ensureChunkHandlers)
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					.tap("CommonJsChunkLoadingPlugin", handler);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
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					.tap("CommonJsChunkLoadingPlugin", handler);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.hmrDownloadManifest)
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					.tap("CommonJsChunkLoadingPlugin", handler);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.baseURI)
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					.tap("CommonJsChunkLoadingPlugin", handler);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.externalInstallChunk)
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					.tap("CommonJsChunkLoadingPlugin", handler);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.onChunksLoaded)
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					.tap("CommonJsChunkLoadingPlugin", handler);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.ensureChunkHandlers)
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					.tap("CommonJsChunkLoadingPlugin", (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("CommonJsChunkLoadingPlugin", (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("CommonJsChunkLoadingPlugin", (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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}
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module.exports = CommonJsChunkLoadingPlugin;
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