| /** PURE_IMPORTS_START .._operators_mergeMapTo PURE_IMPORTS_END */ |
| import { mergeMapTo as higherOrder } from '../operators/mergeMapTo'; |
| /* tslint:enable:max-line-length */ |
| /** |
| * Projects each source value to the same Observable which is merged multiple |
| * times in the output Observable. |
| * |
| * <span class="informal">It's like {@link mergeMap}, but maps each value always |
| * to the same inner Observable.</span> |
| * |
| * <img src="./img/mergeMapTo.png" width="100%"> |
| * |
| * Maps each source value to the given Observable `innerObservable` regardless |
| * of the source value, and then merges those resulting Observables into one |
| * single Observable, which is the output Observable. |
| * |
| * @example <caption>For each click event, start an interval Observable ticking every 1 second</caption> |
| * var clicks = Rx.Observable.fromEvent(document, 'click'); |
| * var result = clicks.mergeMapTo(Rx.Observable.interval(1000)); |
| * result.subscribe(x => console.log(x)); |
| * |
| * @see {@link concatMapTo} |
| * @see {@link merge} |
| * @see {@link mergeAll} |
| * @see {@link mergeMap} |
| * @see {@link mergeScan} |
| * @see {@link switchMapTo} |
| * |
| * @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 |
| * @param {number} [concurrent=Number.POSITIVE_INFINITY] Maximum number of input |
| * Observables being subscribed to concurrently. |
| * @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. |
| * @method mergeMapTo |
| * @owner Observable |
| */ |
| export function mergeMapTo(innerObservable, resultSelector, concurrent) { |
| if (concurrent === void 0) { |
| concurrent = Number.POSITIVE_INFINITY; |
| } |
| return higherOrder(innerObservable, resultSelector, concurrent)(this); |
| } |
| //# sourceMappingURL=mergeMapTo.js.map |