i will never fibb

iterative.js

  var min = this._data.findMinimum()
  var data = []
  var iterationNodes = [min]
  var iterationHeads = [min]
  var depth = 0

  if (min) {
    var current
    while (depth >= 0) {
      current = iterationNodes[depth]
      data.push(current.value)
      iterationNodes[depth] = current.next
      if (current.child) {
        ++depth
        iterationHeads[depth] = iterationNodes[depth] = current.child
      } else {
        while (depth >= 0 && iterationNodes[depth] === iterationHeads[depth]) {
          --depth
        }
      }
    }
  }

  return data

recursive.js

  var nodes = []
  var min = this._data.findMinimum()

  if (min) {
    serializeHeap(min, nodes)
  }

  return nodes

  function serializeHeap(head, arr) {
    var current = head

    do {
      arr.push(current.value)
      if (current.child) {
        serializeHeap(current.child, arr)
      }
      current = current.next
    } while (current !== head)
  }