undot.js 1.7 KB

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  1. 'use strict';
  2. 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; }
  3. 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; }
  4. 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; }
  5. module.exports = function undot() {
  6. var _this = this;
  7. if (Array.isArray(this.items)) {
  8. return this;
  9. }
  10. var collection = {};
  11. Object.keys(this.items).forEach(function (key) {
  12. if (key.indexOf('.') !== -1) {
  13. var obj = collection;
  14. key.split('.').reduce(function (acc, current, index, array) {
  15. if (!acc[current]) {
  16. acc[current] = {};
  17. }
  18. if (index === array.length - 1) {
  19. acc[current] = _this.items[key];
  20. }
  21. return acc[current];
  22. }, obj);
  23. collection = _objectSpread(_objectSpread({}, collection), obj);
  24. } else {
  25. collection[key] = _this.items[key];
  26. }
  27. });
  28. return new this.constructor(collection);
  29. };