| import { Observable } from '../Observable'; |
| import { isArray } from '../util/isArray'; |
| import { MonoTypeOperatorFunction, OperatorFunction } from '../types'; |
| import { race as raceStatic } from '../observable/race'; |
| |
| /* tslint:disable:max-line-length */ |
| /** @deprecated Deprecated in favor of static race. */ |
| export function race<T>(observables: Array<Observable<T>>): MonoTypeOperatorFunction<T>; |
| /** @deprecated Deprecated in favor of static race. */ |
| export function race<T, R>(observables: Array<Observable<T>>): OperatorFunction<T, R>; |
| /** @deprecated Deprecated in favor of static race. */ |
| export function race<T>(...observables: Array<Observable<T> | Array<Observable<T>>>): MonoTypeOperatorFunction<T>; |
| /** @deprecated Deprecated in favor of static race. */ |
| export function race<T, R>(...observables: Array<Observable<any> | Array<Observable<any>>>): OperatorFunction<T, R>; |
| /* tslint:enable:max-line-length */ |
| |
| /** |
| * Returns an Observable that mirrors the first source Observable to emit a next, |
| * error or complete notification 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 |
| * @deprecated Deprecated in favor of static {@link race}. |
| */ |
| export function race<T>(...observables: (Observable<T> | Observable<T>[])[]): MonoTypeOperatorFunction<T> { |
| return function raceOperatorFunction(source: Observable<T>) { |
| // 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] as Observable<T>[]; |
| } |
| |
| return source.lift.call(raceStatic(source, ...(observables as Observable<T>[]))); |
| }; |
| } |