Function push

docs/index.js:2126–2136

(heap, node)

"use strict";
function push(heap, node) {
  var index = heap.length;
  heap.push(node);
  a: for (; 0 < index; ) {
    var parentIndex = (index - 1) >>> 1,
      parent = heap[parentIndex];
    if (0 < compare(parent, node))
      (heap[parentIndex] = node), (heap[index] = parent), (index = parentIndex);
    else break a;
  }
}
function peek(heap) {
  return 0 === heap.length ? null : heap[0];
}