92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
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"use strict";
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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}
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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Object.defineProperty(exports, "__esModule", { value: true });
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var isArray_1 = require("../util/isArray");
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var fromArray_1 = require("./fromArray");
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var OuterSubscriber_1 = require("../OuterSubscriber");
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var subscribeToResult_1 = require("../util/subscribeToResult");
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function race() {
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var observables = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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observables[_i] = arguments[_i];
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}
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if (observables.length === 1) {
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if (isArray_1.isArray(observables[0])) {
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observables = observables[0];
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}
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else {
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return observables[0];
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}
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}
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return fromArray_1.fromArray(observables, undefined).lift(new RaceOperator());
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}
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exports.race = race;
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var RaceOperator = (function () {
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function RaceOperator() {
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}
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RaceOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new RaceSubscriber(subscriber));
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};
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return RaceOperator;
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}());
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exports.RaceOperator = RaceOperator;
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var RaceSubscriber = (function (_super) {
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__extends(RaceSubscriber, _super);
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function RaceSubscriber(destination) {
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var _this = _super.call(this, destination) || this;
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_this.hasFirst = false;
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_this.observables = [];
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_this.subscriptions = [];
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return _this;
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}
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RaceSubscriber.prototype._next = function (observable) {
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this.observables.push(observable);
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};
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RaceSubscriber.prototype._complete = function () {
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var observables = this.observables;
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var len = observables.length;
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if (len === 0) {
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this.destination.complete();
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}
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else {
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for (var i = 0; i < len && !this.hasFirst; i++) {
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var observable = observables[i];
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var subscription = subscribeToResult_1.subscribeToResult(this, observable, observable, i);
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if (this.subscriptions) {
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this.subscriptions.push(subscription);
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}
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this.add(subscription);
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}
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this.observables = null;
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}
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};
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RaceSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
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if (!this.hasFirst) {
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this.hasFirst = true;
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for (var i = 0; i < this.subscriptions.length; i++) {
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if (i !== outerIndex) {
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var subscription = this.subscriptions[i];
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subscription.unsubscribe();
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this.remove(subscription);
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}
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}
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this.subscriptions = null;
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}
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this.destination.next(innerValue);
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};
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return RaceSubscriber;
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}(OuterSubscriber_1.OuterSubscriber));
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exports.RaceSubscriber = RaceSubscriber;
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//# sourceMappingURL=race.js.map
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