| /** PURE_IMPORTS_START .._util_isArray,.._observable_ArrayObservable,.._OuterSubscriber,.._util_subscribeToResult PURE_IMPORTS_END */ |
| var __extends = (this && this.__extends) || function (d, b) { |
| for (var p in b) |
| if (b.hasOwnProperty(p)) |
| d[p] = b[p]; |
| function __() { this.constructor = d; } |
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); |
| }; |
| import { isArray } from '../util/isArray'; |
| import { ArrayObservable } from '../observable/ArrayObservable'; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| export function race() { |
| var observables = []; |
| for (var _i = 0; _i < arguments.length; _i++) { |
| observables[_i - 0] = arguments[_i]; |
| } |
| // if the only argument is an array, it was most likely called with |
| // `race([obs1, obs2, ...])` |
| if (observables.length === 1) { |
| if (isArray(observables[0])) { |
| observables = observables[0]; |
| } |
| else { |
| return observables[0]; |
| } |
| } |
| return new ArrayObservable(observables).lift(new RaceOperator()); |
| } |
| export var RaceOperator = /*@__PURE__*/ (/*@__PURE__*/ function () { |
| function RaceOperator() { |
| } |
| RaceOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new RaceSubscriber(subscriber)); |
| }; |
| return RaceOperator; |
| }()); |
| /** |
| * We need this JSDoc comment for affecting ESDoc. |
| * @ignore |
| * @extends {Ignored} |
| */ |
| export var RaceSubscriber = /*@__PURE__*/ (/*@__PURE__*/ function (_super) { |
| __extends(RaceSubscriber, _super); |
| function RaceSubscriber(destination) { |
| _super.call(this, destination); |
| this.hasFirst = false; |
| this.observables = []; |
| this.subscriptions = []; |
| } |
| 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(this, observable, observable, i); |
| if (this.subscriptions) { |
| this.subscriptions.push(subscription); |
| } |
| this.add(subscription); |
| } |
| this.observables = null; |
| } |
| }; |
| RaceSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { |
| 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)); |
| //# sourceMappingURL=race.js.map |