race.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 isArray_1 = require("../util/isArray");
var fromArray_1 = require("./fromArray");
var OuterSubscriber_1 = require("../OuterSubscriber");
var subscribeToResult_1 = require("../util/subscribeToResult");
function race() {
var observables = [];
for (var _i = 0; _i < arguments.length; _i++) {
observables[_i] = arguments[_i];
}
if (observables.length === 1) {
if (isArray_1.isArray(observables[0])) {
observables = observables[0];
}
else {
return observables[0];
}
}
return fromArray_1.fromArray(observables, undefined).lift(new RaceOperator());
}
exports.race = race;
var RaceOperator = (function () {
function RaceOperator() {
}
RaceOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new RaceSubscriber(subscriber));
};
return RaceOperator;
}());
exports.RaceOperator = RaceOperator;
var RaceSubscriber = (function (_super) {
__extends(RaceSubscriber, _super);
function RaceSubscriber(destination) {
var _this = _super.call(this, destination) || this;
_this.hasFirst = false;
_this.observables = [];
_this.subscriptions = [];
return _this;
}
RaceSubscriber.prototype._next = function (observable) {
this.observables.push(observable);
};
RaceSubscriber.prototype._complete = function () {
var observables = this.observables;
var len = observables.length;
if (len === 0) {
this.destination.complete();
}
else {
for (var i = 0; i < len && !this.hasFirst; i++) {
var observable = observables[i];
var subscription = subscribeToResult_1.subscribeToResult(this, observable, undefined, i);
if (this.subscriptions) {
this.subscriptions.push(subscription);
}
this.add(subscription);
}
this.observables = null;
}
};
RaceSubscriber.prototype.notifyNext = function (_outerValue, innerValue, outerIndex) {
if (!this.hasFirst) {
this.hasFirst = true;
for (var i = 0; i < this.subscriptions.length; i++) {
if (i !== outerIndex) {
var subscription = this.subscriptions[i];
subscription.unsubscribe();
this.remove(subscription);
}
}
this.subscriptions = null;
}
this.destination.next(innerValue);
};
return RaceSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
exports.RaceSubscriber = RaceSubscriber;
//# sourceMappingURL=race.js.map