mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			68 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			2.2 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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| 
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| "use strict";
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| 
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| /** @typedef {import("../../declarations/WebpackOptions").RuleSetConditionOrConditions} RuleSetConditionOrConditions */
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| /** @typedef {import("../../declarations/WebpackOptions").RuleSetConditionOrConditionsAbsolute} RuleSetConditionOrConditionsAbsolute */
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| /** @typedef {import("../../declarations/WebpackOptions").RuleSetLoaderOptions} RuleSetLoaderOptions */
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| /** @typedef {import("../../declarations/WebpackOptions").RuleSetRule} RuleSetRule */
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| /** @typedef {import("./RuleSetCompiler")} RuleSetCompiler */
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| /** @typedef {import("./RuleSetCompiler").RuleCondition} RuleCondition */
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| 
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| /**
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|  * @template T
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|  * @template {T[keyof T]} V
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|  * @typedef {import("./RuleSetCompiler").KeysOfTypes<T, V>} KeysOfTypes
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|  */
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| 
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| /** @typedef {KeysOfTypes<RuleSetRule, RuleSetConditionOrConditions | RuleSetConditionOrConditionsAbsolute>} BasicMatcherRuleKeys */
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| 
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| const PLUGIN_NAME = "BasicMatcherRulePlugin";
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| 
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| class BasicMatcherRulePlugin {
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| 	/**
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| 	 * @param {BasicMatcherRuleKeys} ruleProperty the rule property
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| 	 * @param {string=} dataProperty the data property
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| 	 * @param {boolean=} invert if true, inverts the condition
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| 	 */
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| 	constructor(ruleProperty, dataProperty, invert) {
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| 		this.ruleProperty = ruleProperty;
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| 		this.dataProperty = dataProperty || ruleProperty;
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| 		this.invert = invert || false;
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| 	}
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| 
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| 	/**
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| 	 * @param {RuleSetCompiler} ruleSetCompiler the rule set compiler
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| 	 * @returns {void}
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| 	 */
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| 	apply(ruleSetCompiler) {
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| 		ruleSetCompiler.hooks.rule.tap(
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| 			PLUGIN_NAME,
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| 			(path, rule, unhandledProperties, result) => {
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| 				if (unhandledProperties.has(this.ruleProperty)) {
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| 					unhandledProperties.delete(this.ruleProperty);
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| 					const value = rule[this.ruleProperty];
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| 					const condition = ruleSetCompiler.compileCondition(
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| 						`${path}.${this.ruleProperty}`,
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| 						/** @type {RuleSetConditionOrConditions | RuleSetConditionOrConditionsAbsolute} */
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| 						(value)
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| 					);
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| 					const fn = condition.fn;
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| 					result.conditions.push({
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| 						property: this.dataProperty,
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| 						matchWhenEmpty: this.invert
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| 							? !condition.matchWhenEmpty
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| 							: condition.matchWhenEmpty,
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| 						fn: this.invert ? (v) => !fn(v) : fn
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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 = BasicMatcherRulePlugin;
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