mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			66 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.0 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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| /**
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|  * @template T
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|  * @template U
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|  * @typedef {import("./StackedSetMap")<T,U>} StackedSetMap<T,U>
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|  */
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| 
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| /**
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|  * @template T
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|  * @template U
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|  */
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| class TrackingSet {
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| 	/**
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| 	 * @param {StackedSetMap<T,U>} set the set to track
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| 	 */
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| 	constructor(set) {
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| 		/** @type {StackedSetMap<T,U>} */
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| 		this.set = set;
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| 		/** @type {Set<T>} */
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| 		this.set2 = new Set();
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| 		this.stack = set.stack;
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| 	}
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| 
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| 	/**
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| 	 * @param {T} item the item to add
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| 	 * @returns {void}
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| 	 */
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| 	add(item) {
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| 		this.set2.add(item);
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| 		this.set.add(item);
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| 	}
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| 
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| 	/**
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| 	 * @param {T} item the item to delete
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| 	 * @returns {void}
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| 	 */
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| 	delete(item) {
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| 		this.set2.delete(item);
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| 		this.set.delete(item);
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| 	}
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| 
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| 	/**
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| 	 * @param {T} item the item to test
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| 	 * @returns {boolean} true if the item exists in this set
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| 	 */
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| 	has(item) {
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| 		return this.set.has(item);
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| 	}
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| 
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| 	createChild() {
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| 		return this.set.createChild();
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| 	}
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| 
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| 	getAddedItems() {
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| 		return this.set2;
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| 	}
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| }
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| 
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| module.exports = TrackingSet;
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