rkhaslarov / rs-school-short-track-2021-q2 Goto Github PK

const ListNode = require('../extensions/list-node');

class Queue {
  constructor() {
    this.tasks = [];
    this.list = null;
  }

  get size() {
    return this.tasks.length;
  }

  enqueue(element) {
    this.list = new ListNode(element);
    this.tasks.push(element);
  }

  dequeue() {
    return this.tasks.length ? this.tasks.shift() : null;
  }
}

module.exports = Queue;