mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			90 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const StartupChunkDependenciesRuntimeModule = require("./StartupChunkDependenciesRuntimeModule");
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const StartupEntrypointRuntimeModule = require("./StartupEntrypointRuntimeModule");
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/** @typedef {import("../../declarations/WebpackOptions").ChunkLoadingType} ChunkLoadingType */
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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} Options
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 * @property {ChunkLoadingType} chunkLoading
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 * @property {boolean=} asyncChunkLoading
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 */
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class StartupChunkDependenciesPlugin {
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	/**
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	 * @param {Options} options options
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	 */
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	constructor(options) {
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		this.chunkLoading = options.chunkLoading;
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		this.asyncChunkLoading =
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			typeof options.asyncChunkLoading === "boolean"
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				? options.asyncChunkLoading
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				: true;
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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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		compiler.hooks.thisCompilation.tap(
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			"StartupChunkDependenciesPlugin",
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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 to check
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				 * @returns {boolean} true, when the plugin 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 === this.chunkLoading;
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				};
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				compilation.hooks.additionalTreeRuntimeRequirements.tap(
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					"StartupChunkDependenciesPlugin",
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					(chunk, set, { chunkGraph }) => {
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						if (!isEnabledForChunk(chunk)) return;
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						if (chunkGraph.hasChunkEntryDependentChunks(chunk)) {
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							set.add(RuntimeGlobals.startup);
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							set.add(RuntimeGlobals.ensureChunk);
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							set.add(RuntimeGlobals.ensureChunkIncludeEntries);
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							compilation.addRuntimeModule(
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								chunk,
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								new StartupChunkDependenciesRuntimeModule(
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									this.asyncChunkLoading
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								)
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							);
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						}
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					}
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				);
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.startupEntrypoint)
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					.tap("StartupChunkDependenciesPlugin", (chunk, set) => {
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						if (!isEnabledForChunk(chunk)) return;
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						set.add(RuntimeGlobals.require);
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						set.add(RuntimeGlobals.ensureChunk);
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						set.add(RuntimeGlobals.ensureChunkIncludeEntries);
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						compilation.addRuntimeModule(
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							chunk,
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							new StartupEntrypointRuntimeModule(this.asyncChunkLoading)
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						);
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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 = StartupChunkDependenciesPlugin;
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