mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			52 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.2 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 path = require("path");
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class NormalModuleReplacementPlugin {
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	constructor(resourceRegExp, newResource) {
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		this.resourceRegExp = resourceRegExp;
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		this.newResource = newResource;
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	}
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	apply(compiler) {
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		const resourceRegExp = this.resourceRegExp;
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		const newResource = this.newResource;
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		compiler.hooks.normalModuleFactory.tap(
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			"NormalModuleReplacementPlugin",
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			nmf => {
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				nmf.hooks.beforeResolve.tap("NormalModuleReplacementPlugin", result => {
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					if (!result) return;
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					if (resourceRegExp.test(result.request)) {
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						if (typeof newResource === "function") {
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							newResource(result);
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						} else {
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							result.request = newResource;
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						}
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					}
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					return result;
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				});
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				nmf.hooks.afterResolve.tap("NormalModuleReplacementPlugin", result => {
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					if (!result) return;
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					if (resourceRegExp.test(result.resource)) {
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						if (typeof newResource === "function") {
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							newResource(result);
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						} else {
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							result.resource = path.resolve(
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								path.dirname(result.resource),
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								newResource
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							);
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						}
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					}
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					return result;
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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 = NormalModuleReplacementPlugin;
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