Edit File: SortableSet.js
"use strict"; module.exports = class SortableSet extends Set { constructor(initialIterable, defaultSort) { super(initialIterable); this._sortFn = defaultSort; this._lastActiveSortFn = null; } /** * @param {any} value - value to add to set * @returns {SortableSet} - returns itself */ add(value) { this._lastActiveSortFn = null; super.add(value); return this; } /** * @param {Function} sortFn - function to sort the set * @returns {void} */ sortWith(sortFn) { if(this.size === 0 || sortFn === this._lastActiveSortFn) { // already sorted - nothing to do return; } const sortedArray = Array.from(this).sort(sortFn); super.clear(); for(let i = 0; i < sortedArray.length; i += 1) { this.add(sortedArray[i]); } this._lastActiveSortFn = sortFn; } /** * @returns {void} */ sort() { this.sortWith(this._sortFn); } };
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