32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
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import { Observable } from '../Observable';
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import { innerFrom } from './innerFrom';
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import { argsOrArgArray } from '../util/argsOrArgArray';
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import { createOperatorSubscriber } from '../operators/OperatorSubscriber';
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export function race() {
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var sources = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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sources[_i] = arguments[_i];
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}
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sources = argsOrArgArray(sources);
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return sources.length === 1 ? innerFrom(sources[0]) : new Observable(raceInit(sources));
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}
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export function raceInit(sources) {
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return function (subscriber) {
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var subscriptions = [];
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var _loop_1 = function (i) {
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subscriptions.push(innerFrom(sources[i]).subscribe(createOperatorSubscriber(subscriber, function (value) {
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if (subscriptions) {
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for (var s = 0; s < subscriptions.length; s++) {
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s !== i && subscriptions[s].unsubscribe();
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}
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subscriptions = null;
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}
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subscriber.next(value);
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})));
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};
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for (var i = 0; subscriptions && !subscriber.closed && i < sources.length; i++) {
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_loop_1(i);
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}
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};
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}
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//# sourceMappingURL=race.js.map
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