"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.removeKr = exports.moveNext = exports.moveFront = void 0;

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var removeKr = function removeKr(krs, index) {
  var newKrs = [];

  for (var i = 0; i < krs.length; i++) {
    if (krs[i].index !== index) newKrs.push(krs[i]);
  }

  return newKrs;
};

exports.removeKr = removeKr;

var moveFront = function moveFront(krs, dragNode) {
  var newKrs = removeKr(krs, dragNode.index);
  newKrs.unshift(dragNode);
  var pureNewKrs = newKrs.map(function (it) {
    return it.data;
  });
  return pureNewKrs;
};

exports.moveFront = moveFront;

var moveNext = function moveNext(krs, dropNode, dragNode) {
  var newDragNode = _objectSpread({}, dragNode);

  var removedKrs = removeKr(krs, dragNode.index);
  var newKrs = [];

  for (var i = 0; i < removedKrs.length; i++) {
    if (i > 0 && removedKrs[i - 1].index == dropNode.index) {
      newKrs.push(newDragNode);
      newKrs.push(removedKrs[i]);
    } else {
      newKrs.push(removedKrs[i]);
    }
  }

  if (newKrs.length == krs.length - 1) {
    newKrs.push(newDragNode);
  }

  var pureNewKrs = newKrs.map(function (it) {
    return it.data;
  });
  return pureNewKrs;
};

exports.moveNext = moveNext;