haw-utils/lib/utils/type/isUndefined.js

一个基于业务场景的工具方法库

(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports);
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports);
    global.isUndefined = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports["default"] = void 0;
  /**
   * 检查值是否为Undefined
   * 
   * @static
   * @alias module:Type.isUndefined
   * @since 1.1.0
   * @param {*} value 检查值
   * @returns {Boolean} 是否为Undefined
   * @example
   *
   * isUndefined(undefined)
   * // => true
   *
   * isUndefined(void 0)
   * // => true
   *
   * isUndefined(null)
   * // => false
   */
  function isUndefined(value) {
    return value === void 0;
  }
  var _default = isUndefined;
  _exports["default"] = _default;
});