Current File : //home/forge/takeaseat.eco-n-tech.co.uk/node_modules/rxjs/src/internal/operators/race.ts
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>[])));
};
}
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