t-comm/lib/lodash-mini/set.js

专业、稳定、纯粹的工具库

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var _typeof = require('@babel/runtime/helpers/typeof');
var tslib_es6 = require('../tslib.es6-01322ba9.js');
var lodashMini_get = require('./get.js');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

var _typeof__default = /*#__PURE__*/_interopDefaultLegacy(_typeof);

function internalSet(entity, paths, value, removeIfUndefined) {
  if (!paths.length) {
    return value;
  }
  var path = paths[0],
    restPath = paths.slice(1);
  var clone;
  if (!entity && typeof path === 'number') {
    clone = [];
  } else if (Array.isArray(entity)) {
    clone = tslib_es6.__spreadArray([], entity, true);
  } else {
    clone = tslib_es6.__assign({}, entity);
  }
  // Delete prop if `removeIfUndefined` and value is undefined
  if (removeIfUndefined && value === undefined && restPath.length === 1) {
    // @ts-ignore
    delete clone[path][restPath[0]];
  } else {
    // @ts-ignore
    clone[path] = internalSet(clone[path], restPath, value, removeIfUndefined);
  }
  return clone;
}
function set(entity, paths, value, removeIfUndefined) {
  if (removeIfUndefined === void 0) {
    removeIfUndefined = false;
  }
  // Do nothing if `removeIfUndefined` and parent object not exist
  if (paths.length && removeIfUndefined && value === undefined
  // @ts-ignore
  && !lodashMini_get.get(entity, paths.slice(0, -1).join('.'))) {
    return entity;
  }
  return internalSet(entity, paths, value, removeIfUndefined);
}
function isObject(obj) {
  return _typeof__default["default"](obj) === 'object' && obj !== null && Object.getPrototypeOf(obj) === Object.prototype;
}
function createEmpty(source) {
  return Array.isArray(source) ? [] : {};
}
var keys = typeof Reflect === 'undefined' ? Object.keys : Reflect.ownKeys;
/**
 * Merge objects which will create
 */
function merge() {
  var sources = [];
  for (var _i = 0; _i < arguments.length; _i++) {
    sources[_i] = arguments[_i];
  }
  var clone = createEmpty(sources[0]);
  sources.forEach(function (src) {
    function internalMerge(path, parentLoopSet) {
      var loopSet = new Set(parentLoopSet);
      var value = lodashMini_get.get(src, path.join('.'));
      var isArr = Array.isArray(value);
      if (isArr || isObject(value)) {
        // Only add not loop obj
        if (!loopSet.has(value)) {
          loopSet.add(value);
          var originValue = lodashMini_get.get(clone, path.join('.'));
          if (isArr) {
            // Array will always be override
            clone = set(clone, path, []);
          } else if (!originValue || _typeof__default["default"](originValue) !== 'object') {
            // Init container if not exist
            clone = set(clone, path, createEmpty(value));
          }
          keys(value).forEach(function (key) {
            internalMerge(tslib_es6.__spreadArray(tslib_es6.__spreadArray([], path, true), [key], false), loopSet);
          });
        }
      } else {
        clone = set(clone, path, value);
      }
    }
    internalMerge([]);
  });
  return clone;
}

exports.merge = merge;
exports.set = set;