'use strict';
exports.__esModule = true;
exports['default'] = defaultIfEmpty;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
function _inherits(subClass, superClass) { Iif (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); Eif (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
var _Subscriber2 = require('../Subscriber');
var _Subscriber3 = _interopRequireDefault(_Subscriber2);
function defaultIfEmpty() {
var defaultValue = arguments.length <= 0 || arguments[0] === undefined ? null : arguments[0];
return this.lift(new DefaultIfEmptyOperator(defaultValue));
}
var DefaultIfEmptyOperator = (function () {
function DefaultIfEmptyOperator(defaultValue) {
_classCallCheck(this, DefaultIfEmptyOperator);
this.defaultValue = defaultValue;
}
DefaultIfEmptyOperator.prototype.call = function call(subscriber) {
return new DefaultIfEmptySubscriber(subscriber, this.defaultValue);
};
return DefaultIfEmptyOperator;
})();
var DefaultIfEmptySubscriber = (function (_Subscriber) {
_inherits(DefaultIfEmptySubscriber, _Subscriber);
function DefaultIfEmptySubscriber(destination, defaultValue) {
_classCallCheck(this, DefaultIfEmptySubscriber);
_Subscriber.call(this, destination);
this.defaultValue = defaultValue;
this.isEmpty = true;
}
//# sourceMappingURL=defaultIfEmpty.js.map
DefaultIfEmptySubscriber.prototype._next = function _next(x) {
this.isEmpty = false;
this.destination.next(x);
};
DefaultIfEmptySubscriber.prototype._complete = function _complete() {
if (this.isEmpty) {
this.destination.next(this.defaultValue);
}
this.destination.complete();
};
return DefaultIfEmptySubscriber;
})(_Subscriber3['default']);
module.exports = exports['default'];
//# sourceMappingURL=defaultIfEmpty.js.map |