graphdb/lib/util/object-utils.js

Javascript client library supporting GraphDB and RDF4J REST API.

"use strict";

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 _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
/**
 * Utility class for common object-related checks.
 *
 * @class
 */
var ObjectUtils = /*#__PURE__*/function () {
  function ObjectUtils() {
    _classCallCheck(this, ObjectUtils);
  }
  return _createClass(ObjectUtils, null, [{
    key: "isNull",
    value:
    /**
    * Checks if the given object is strictly null.
    *
    * @param {*} object The object to check.
    * @return {boolean} True if the object is null, false otherwise.
    */
    function isNull(object) {
      return object === null;
    }

    /**
    * Checks if the given object is strictly undefined.
    *
    * @param {*} object The object to check.
    * @return {boolean} True if the object is undefined, false otherwise.
    */
  }, {
    key: "isUndefined",
    value: function isUndefined(object) {
      return object === undefined;
    }

    /**
    * Checks if the given object is either null or undefined.
    *
    * @param {*} object The object to check.
    * @return {boolean} True if the object is null or undefined, false otherwise.
    */
  }, {
    key: "isNullOrUndefined",
    value: function isNullOrUndefined(object) {
      return ObjectUtils.isNull(object) || ObjectUtils.isUndefined(object);
    }
  }]);
}();
module.exports = ObjectUtils;