throwIfEmpty.js
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"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
}
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var EmptyError_1 = require("../util/EmptyError");
var Subscriber_1 = require("../Subscriber");
function throwIfEmpty(errorFactory) {
if (errorFactory === void 0) { errorFactory = defaultErrorFactory; }
return function (source) {
return source.lift(new ThrowIfEmptyOperator(errorFactory));
};
}
exports.throwIfEmpty = throwIfEmpty;
var ThrowIfEmptyOperator = (function () {
function ThrowIfEmptyOperator(errorFactory) {
this.errorFactory = errorFactory;
}
ThrowIfEmptyOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new ThrowIfEmptySubscriber(subscriber, this.errorFactory));
};
return ThrowIfEmptyOperator;
}());
var ThrowIfEmptySubscriber = (function (_super) {
__extends(ThrowIfEmptySubscriber, _super);
function ThrowIfEmptySubscriber(destination, errorFactory) {
var _this = _super.call(this, destination) || this;
_this.errorFactory = errorFactory;
_this.hasValue = false;
return _this;
}
ThrowIfEmptySubscriber.prototype._next = function (value) {
this.hasValue = true;
this.destination.next(value);
};
ThrowIfEmptySubscriber.prototype._complete = function () {
if (!this.hasValue) {
var err = void 0;
try {
err = this.errorFactory();
}
catch (e) {
err = e;
}
this.destination.error(err);
}
else {
return this.destination.complete();
}
};
return ThrowIfEmptySubscriber;
}(Subscriber_1.Subscriber));
function defaultErrorFactory() {
return new EmptyError_1.EmptyError();
}
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