49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Queue = void 0;
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class Queue {
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constructor() {
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this._size = 0;
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}
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push(...values) {
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for (const value of values) {
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const node = { value };
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if (this.tail) {
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this.tail.next = node;
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}
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this.tail = node;
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if (!this.head) {
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this.head = this.tail;
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}
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this._size++;
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}
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return this;
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}
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pop(_default) {
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if (this.head) {
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const value = this.head.value;
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this.head = this.head.next;
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if (!this.head) {
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this.tail = undefined;
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}
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this._size--;
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return value;
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}
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return _default;
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}
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peek() {
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return this.head.value;
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}
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isEmpty() {
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return this.head === undefined;
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}
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clear() {
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this.head = this.tail = undefined;
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this._size = 0;
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}
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get size() {
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return this._size;
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}
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}
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exports.Queue = Queue;
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