mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			52 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.3 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 { getEntryRuntime, mergeRuntimeOwned } = require("./util/runtime");
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
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class FlagAllModulesAsUsedPlugin {
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	constructor(explanation) {
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		this.explanation = explanation;
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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.compilation.tap(
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			"FlagAllModulesAsUsedPlugin",
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			compilation => {
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				const moduleGraph = compilation.moduleGraph;
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				compilation.hooks.optimizeDependencies.tap(
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					"FlagAllModulesAsUsedPlugin",
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					modules => {
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						/** @type {RuntimeSpec} */
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						let runtime = undefined;
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						for (const [name, { options }] of compilation.entries) {
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							runtime = mergeRuntimeOwned(
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								runtime,
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								getEntryRuntime(compilation, name, options)
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							);
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						}
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						for (const module of modules) {
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							const exportsInfo = moduleGraph.getExportsInfo(module);
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							exportsInfo.setUsedInUnknownWay(runtime);
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							moduleGraph.addExtraReason(module, this.explanation);
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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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}
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module.exports = FlagAllModulesAsUsedPlugin;
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