priorityqueue

import PriorityQueue from 'priorityqueue'; const pq = new PriorityQueue({ comparator: (a, b) => a - b }); pq.push(4); pq.push(2); pq.push(5); pq.push(1); console.log(pq.pop()); // 5 console.log(pq.top()); // 4 console.log(pq.length); // 3 // Custom objects class Point { constructor(x, y) { this.x = x; this.y = y; } } const pointComparator = (a, b) => (a.x !== b.x ? a.x - b.x : a.y - b.y); const pq2 = new PriorityQueue({ comparator: pointComparator }); pq2.push(new Point(4, 6)); pq2.push(new Point(2, 3)); pq2.push(new Point(5, 1)); console.log(pq2.pop()); // Point { x: 5, y: 1 }