mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			45 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.0 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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/** @typedef {import("./Compiler")} Compiler */
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class FlagInitialModulesAsUsedPlugin {
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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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	 * @param {Compiler} compiler webpack compiler
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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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			"FlagInitialModulesAsUsedPlugin",
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			compilation => {
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				const moduleGraph = compilation.moduleGraph;
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				compilation.hooks.afterOptimizeChunks.tap(
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					"FlagInitialModulesAsUsedPlugin",
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					chunks => {
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						const chunkGraph = compilation.chunkGraph;
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						for (const chunk of chunks) {
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							if (!chunk.isOnlyInitial()) {
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								return;
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							}
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							for (const module of chunkGraph.getChunkModulesIterable(chunk)) {
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								moduleGraph.getExportsInfo(module).setUsedInUnknownWay();
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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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}
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module.exports = FlagInitialModulesAsUsedPlugin;
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