flo-utils/es/setValueByPath.js

some utils

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (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 = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { 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; }

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

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

import getValueByPath from './getValueByPath';

function internalSet(entity, paths, value, removeIfUndefined) {
  if (!paths.length) {
    return value;
  }

  var _paths = _toArray(paths),
      path = _paths[0],
      restPath = _paths.slice(1);

  var clone;

  if (!entity && typeof path === 'number') {
    clone = [];
  } else if (Array.isArray(entity)) {
    clone = _toConsumableArray(entity);
  } else {
    clone = _objectSpread({}, entity);
  } // Delete prop if `removeIfUndefined`


  if (removeIfUndefined && restPath.length === 1 && value === undefined && clone[path]) {
    delete clone[path][restPath[0]];
  } else {
    clone[path] = internalSet(clone[path], restPath, value, removeIfUndefined);
  }

  return clone;
}
/**
 * @name setValueByPath
 * @param {any} entity
 * @param {any} path  a.b.c.d
 * @param {string} [value=""]
 * @param {string} [removeIfUndefined=false]
 * @returns
 * @description 通过路径设置值
 */


function setValueByPath(entity, path, value) {
  var removeIfUndefined = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
  var props = path;

  if (typeof props === 'string') {
    props = props.split('.').filter(function (d) {
      return d;
    });
  }

  if (!props.length || !entity) return entity; // if `removeIfUndefined` and parent object not exist

  if (props.length && removeIfUndefined && !getValueByPath(entity, props.slice(0, -1).join('.'), '') // 上一项
  ) {
      return entity;
    }

  return internalSet(entity, props, value, removeIfUndefined);
}

export default setValueByPath;