"use strict"; var isArray_1 = require('../util/isArray'); var race_1 = require('../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 */ 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_1.isArray(observables[0])) { observables = observables[0]; } return source.lift.call(race_1.race.apply(void 0, [source].concat(observables))); }; } exports.race = race; //# sourceMappingURL=race.js.map