mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			82 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.3 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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| 
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| "use strict";
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| 
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| const validateOptions = require("schema-utils");
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| const schema = require("../schemas/plugins/IgnorePlugin.json");
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| 
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| /** @typedef {import("../declarations/plugins/IgnorePlugin").IgnorePluginOptions} IgnorePluginOptions */
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| /** @typedef {import("./Compiler")} Compiler */
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| /** @typedef {import("./NormalModuleFactory").ResolveData} ResolveData */
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| 
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| class IgnorePlugin {
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| 	/**
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| 	 * @param {IgnorePluginOptions} options IgnorePlugin options
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| 	 */
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| 	constructor(options) {
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| 		validateOptions(schema, options, "IgnorePlugin");
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| 		this.options = options;
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| 
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| 		/** @private @type {Function} */
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| 		this.checkIgnore = this.checkIgnore.bind(this);
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| 	}
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| 
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| 	/**
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| 	 * Note that if "contextRegExp" is given, both the "resourceRegExp"
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| 	 * and "contextRegExp" have to match.
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| 	 *
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| 	 * @param {ResolveData} resolveData resolve data
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| 	 * @returns {false|undefined} returns false when the request should be ignored, otherwise undefined
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| 	 */
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| 	checkIgnore(resolveData) {
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| 		if (
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| 			"checkResource" in this.options &&
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| 			this.options.checkResource &&
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| 			this.options.checkResource(resolveData.request, resolveData.context)
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| 		) {
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| 			// TODO webpack 5 remove checkContext, as checkResource already gets context
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| 			if ("checkContext" in this.options && this.options.checkContext) {
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| 				if (this.options.checkContext(resolveData.context)) {
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| 					return false;
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| 				}
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| 			} else {
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| 				return false;
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| 			}
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| 		}
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| 
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| 		if (
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| 			"resourceRegExp" in this.options &&
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| 			this.options.resourceRegExp &&
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| 			this.options.resourceRegExp.test(resolveData.request)
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| 		) {
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| 			if ("contextRegExp" in this.options && this.options.contextRegExp) {
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| 				// if "contextRegExp" is given,
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| 				// both the "resourceRegExp" and "contextRegExp" have to match.
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| 				if (this.options.contextRegExp.test(resolveData.context)) {
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| 					return false;
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| 				}
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| 			} else {
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| 				return false;
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| 			}
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| 		}
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| 	}
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| 
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| 	/**
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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.normalModuleFactory.tap("IgnorePlugin", nmf => {
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| 			nmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
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| 		});
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| 		compiler.hooks.contextModuleFactory.tap("IgnorePlugin", cmf => {
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| 			cmf.hooks.beforeResolve.tap("IgnorePlugin", this.checkIgnore);
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| 		});
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| 	}
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| }
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| 
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| module.exports = IgnorePlugin;
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