28 lines
1.2 KiB
JavaScript
Executable File
28 lines
1.2 KiB
JavaScript
Executable File
/** PURE_IMPORTS_START .._util_isArray,.._observable_race PURE_IMPORTS_END */
|
|
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() {
|
|
var observables = [];
|
|
for (var _i = 0; _i < arguments.length; _i++) {
|
|
observables[_i - 0] = arguments[_i];
|
|
}
|
|
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.apply(void 0, [source].concat(observables)));
|
|
};
|
|
}
|
|
//# sourceMappingURL=race.js.map
|