mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			54 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			54 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 } = require("./util/runtime");
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/** @typedef {import("./Compiler")} Compiler */
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class FlagEntryExportAsUsedPlugin {
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	constructor(nsObjectUsed, explanation) {
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		this.nsObjectUsed = nsObjectUsed;
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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.thisCompilation.tap(
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			"FlagEntryExportAsUsedPlugin",
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			compilation => {
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				const moduleGraph = compilation.moduleGraph;
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				compilation.hooks.seal.tap("FlagEntryExportAsUsedPlugin", () => {
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					for (const [
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						entryName,
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						{ dependencies: deps, options }
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					] of compilation.entries) {
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						const runtime = getEntryRuntime(compilation, entryName, options);
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						for (const dep of deps) {
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							const module = moduleGraph.getModule(dep);
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							if (module) {
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								const exportsInfo = moduleGraph.getExportsInfo(module);
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								if (this.nsObjectUsed) {
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									exportsInfo.setUsedInUnknownWay(runtime);
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								} else {
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									exportsInfo.setAllKnownExportsUsed(runtime);
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								}
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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 = FlagEntryExportAsUsedPlugin;
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