mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
	
	
		
			48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
		
		
			
		
	
	
			48 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
|  | /* | ||
|  | 	MIT License http://www.opensource.org/licenses/mit-license.php
 | ||
|  | 	Author Tobias Koppers @sokra | ||
|  | */ | ||
|  | 
 | ||
|  | "use strict"; | ||
|  | 
 | ||
|  | /** @typedef {import("./RuleSetCompiler")} RuleSetCompiler */ | ||
|  | /** @typedef {import("./RuleSetCompiler").RuleCondition} RuleCondition */ | ||
|  | 
 | ||
|  | class BasicMatcherRulePlugin { | ||
|  | 	constructor(ruleProperty, dataProperty, invert) { | ||
|  | 		this.ruleProperty = ruleProperty; | ||
|  | 		this.dataProperty = dataProperty || ruleProperty; | ||
|  | 		this.invert = invert || false; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * @param {RuleSetCompiler} ruleSetCompiler the rule set compiler | ||
|  | 	 * @returns {void} | ||
|  | 	 */ | ||
|  | 	apply(ruleSetCompiler) { | ||
|  | 		ruleSetCompiler.hooks.rule.tap( | ||
|  | 			"BasicMatcherRulePlugin", | ||
|  | 			(path, rule, unhandledProperties, result) => { | ||
|  | 				if (unhandledProperties.has(this.ruleProperty)) { | ||
|  | 					unhandledProperties.delete(this.ruleProperty); | ||
|  | 					const value = rule[this.ruleProperty]; | ||
|  | 					const condition = ruleSetCompiler.compileCondition( | ||
|  | 						`${path}.${this.ruleProperty}`, | ||
|  | 						value | ||
|  | 					); | ||
|  | 					const fn = condition.fn; | ||
|  | 					result.conditions.push({ | ||
|  | 						property: this.dataProperty, | ||
|  | 						matchWhenEmpty: this.invert | ||
|  | 							? !condition.matchWhenEmpty | ||
|  | 							: condition.matchWhenEmpty, | ||
|  | 						fn: this.invert ? v => !fn(v) : fn | ||
|  | 					}); | ||
|  | 				} | ||
|  | 			} | ||
|  | 		); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = BasicMatcherRulePlugin; |