92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
"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
|