{"ast":null,"code":"import _inherits from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/inherits\";\nimport _createSuper from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/createSuper\";\nimport _classCallCheck from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"C:/Users/kgamal/Downloads/HijriGregorianDatepicker-master/HijriGregorianDatepicker-master/node_modules/@babel/runtime/helpers/esm/createClass\";\nimport { Subscriber } from '../Subscriber';\nexport function defaultIfEmpty() {\n  var defaultValue = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;\n  return function (source) {\n    return source.lift(new DefaultIfEmptyOperator(defaultValue));\n  };\n}\n\nvar DefaultIfEmptyOperator = /*#__PURE__*/function () {\n  function DefaultIfEmptyOperator(defaultValue) {\n    _classCallCheck(this, DefaultIfEmptyOperator);\n\n    this.defaultValue = defaultValue;\n  }\n\n  _createClass(DefaultIfEmptyOperator, [{\n    key: \"call\",\n    value: function call(subscriber, source) {\n      return source.subscribe(new DefaultIfEmptySubscriber(subscriber, this.defaultValue));\n    }\n  }]);\n\n  return DefaultIfEmptyOperator;\n}();\n\nvar DefaultIfEmptySubscriber = /*#__PURE__*/function (_Subscriber) {\n  _inherits(DefaultIfEmptySubscriber, _Subscriber);\n\n  var _super = _createSuper(DefaultIfEmptySubscriber);\n\n  function DefaultIfEmptySubscriber(destination, defaultValue) {\n    var _this;\n\n    _classCallCheck(this, DefaultIfEmptySubscriber);\n\n    _this = _super.call(this, destination);\n    _this.defaultValue = defaultValue;\n    _this.isEmpty = true;\n    return _this;\n  }\n\n  _createClass(DefaultIfEmptySubscriber, [{\n    key: \"_next\",\n    value: function _next(value) {\n      this.isEmpty = false;\n      this.destination.next(value);\n    }\n  }, {\n    key: \"_complete\",\n    value: function _complete() {\n      if (this.isEmpty) {\n        this.destination.next(this.defaultValue);\n      }\n\n      this.destination.complete();\n    }\n  }]);\n\n  return DefaultIfEmptySubscriber;\n}(Subscriber); //# sourceMappingURL=defaultIfEmpty.js.map","map":null,"metadata":{},"sourceType":"module"}