@orca-fe/tools/lib/obj.js

front-end tools

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.convertNullToUndefined = convertNullToUndefined;
exports.objFilter = objFilter;
exports.objMap = objMap;
exports.objOmitUndefined = objOmitUndefined;
exports.omit = omit;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _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 _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
/* eslint-disable @typescript-eslint/ban-types,@typescript-eslint/no-explicit-any */

function objMap(obj) {
  var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function (k, v) {
    return v;
  };
  var result = {};
  var changed = false;
  Object.entries(obj).forEach(function (_ref) {
    var _ref2 = _slicedToArray(_ref, 2),
      key = _ref2[0],
      value = _ref2[1];
    var r = callback(key, value);
    if (r !== value) {
      changed = true;
      result[key] = r;
    } else {
      result[key] = value;
    }
  });
  return changed ? result : obj;
}

/**
 * 对象内容过滤器
 * @param obj 对象本身
 * @param callback 过滤器回调
 */
function objFilter(obj, callback) {
  var result = {};
  Object.entries(obj).forEach(function (_ref3) {
    var _ref4 = _slicedToArray(_ref3, 2),
      key = _ref4[0],
      value = _ref4[1];
    var r = callback(key, value);
    if (r) {
      result[key] = value;
    }
  });
  return result;
}
function objOmitUndefined(obj) {
  var omitNull = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
  return objFilter(obj, function (key, value) {
    if (omitNull && value === null) return false;
    return value !== undefined;
  });
}
function omit(obj) {
  var result = _objectSpread({}, obj);
  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }
  args.forEach(function (key) {
    // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
    delete result[key];
  });
  return result;
}

/**
 * 将对象中的 null 转换为 undefined
 * @param value
 */
function convertNullToUndefined(value) {
  var cache = new WeakMap();
  function convert(value) {
    if (value === null) return undefined;
    // array
    if (Array.isArray(value)) {
      if (!cache.has(value)) {
        var newArray = [];
        cache.set(value, newArray);
        value.forEach(function (v) {
          newArray.push(convert(v));
        });
      }
      return cache.get(value);
    }
    if (_typeof(value) === 'object' && value.constructor.name === 'Object') {
      if (!cache.has(value)) {
        var newObj = {};
        cache.set(value, newObj);
        Object.assign(newObj, objMap(value, function (_, v) {
          return convertNullToUndefined(v);
        }));
      }
      return cache.get(value);
    }
    return value;
  }
  return convert(value);
}