bootstrap-vue/esm/utils/clone-deep.js

BootstrapVue, with over 40 plugins and more than 75 custom components, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated WAI-ARIA accessibility markup.

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, 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; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }

function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }

import { isArray, isPlainObject } from './inspect';
import { keys } from './object';
export var cloneDeep = function cloneDeep(obj) {
  var defaultValue = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : obj;

  if (isArray(obj)) {
    return obj.reduce(function (result, val) {
      return [].concat(_toConsumableArray(result), [cloneDeep(val, val)]);
    }, []);
  }

  if (isPlainObject(obj)) {
    return keys(obj).reduce(function (result, key) {
      return _objectSpread({}, result, _defineProperty({}, key, cloneDeep(obj[key], obj[key])));
    }, {});
  }

  return defaultValue;
};
export default cloneDeep;