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- import { isArray } from '../util/isArray';
- import { race as raceStatic } from '../observable/race';
- /* tslint:enable:max-line-length */
- /**
- * Returns an Observable that mirrors the first source Observable to emit an item
- * from the combination of this Observable and supplied Observables.
- * @param {...Observables} ...observables Sources used to race for which Observable emits first.
- * @return {Observable} An Observable that mirrors the output of the first Observable to emit an item.
- * @method race
- * @owner Observable
- */
- export function race(...observables) {
- return function raceOperatorFunction(source) {
- // if the only argument is an array, it was most likely called with
- // `pair([obs1, obs2, ...])`
- if (observables.length === 1 && isArray(observables[0])) {
- observables = observables[0];
- }
- return source.lift.call(raceStatic(source, ...observables));
- };
- }
- //# sourceMappingURL=race.js.map
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