import { switchMapTo as higherOrder } from '../operators/switchMapTo'; /* tslint:enable:max-line-length */ /** * Projects each source value to the same Observable which is flattened multiple * times with {@link switch} in the output Observable. * * It's like {@link switchMap}, but maps each value * always to the same inner Observable. * * * * Maps each source value to the given Observable `innerObservable` regardless * of the source value, and then flattens those resulting Observables into one * single Observable, which is the output Observable. The output Observables * emits values only from the most recently emitted instance of * `innerObservable`. * * @example Rerun an interval Observable on every click event * var clicks = Rx.Observable.fromEvent(document, 'click'); * var result = clicks.switchMapTo(Rx.Observable.interval(1000)); * result.subscribe(x => console.log(x)); * * @see {@link concatMapTo} * @see {@link switch} * @see {@link switchMap} * @see {@link mergeMapTo} * * @param {ObservableInput} innerObservable An Observable to replace each value from * the source Observable. * @param {function(outerValue: T, innerValue: I, outerIndex: number, innerIndex: number): any} [resultSelector] * A function to produce the value on the output Observable based on the values * and the indices of the source (outer) emission and the inner Observable * emission. The arguments passed to this function are: * - `outerValue`: the value that came from the source * - `innerValue`: the value that came from the projected Observable * - `outerIndex`: the "index" of the value that came from the source * - `innerIndex`: the "index" of the value from the projected Observable * @return {Observable} An Observable that emits items from the given * `innerObservable` (and optionally transformed through `resultSelector`) every * time a value is emitted on the source Observable, and taking only the values * from the most recently projected inner Observable. * @method switchMapTo * @owner Observable */ export function switchMapTo(innerObservable, resultSelector) { return higherOrder(innerObservable, resultSelector)(this); } //# sourceMappingURL=switchMapTo.js.map