| 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 |
