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36 lines
537 B
36 lines
537 B
4 years ago
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/*
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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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module.exports = class TrackingSet {
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constructor(set) {
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this.set = set;
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this.set2 = new Set();
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this.stack = set.stack;
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}
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add(item) {
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this.set2.add(item);
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return this.set.add(item);
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}
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delete(item) {
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this.set2.delete(item);
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return this.set.delete(item);
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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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createChild() {
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return this.set.createChild();
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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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