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[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / rxjs / src / internal / operators / switchMapTo.ts

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/src/internal/operators/switchMapTo.ts b/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/src/internal/operators/switchMapTo.ts
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+import { Operator } from '../Operator';
+import { Observable } from '../Observable';
+import { Subscriber } from '../Subscriber';
+import { Subscription } from '../Subscription';
+import { OuterSubscriber } from '../OuterSubscriber';
+import { InnerSubscriber } from '../InnerSubscriber';
+import { subscribeToResult } from '../util/subscribeToResult';
+import { ObservableInput, OperatorFunction } from '../types';
+import { switchMap } from './switchMap';
+
+/* tslint:disable:max-line-length */
+export function switchMapTo<R>(observable: ObservableInput<R>): OperatorFunction<any, R>;
+/** @deprecated resultSelector is no longer supported. Switch to using switchMap with an inner map */
+export function switchMapTo<T, R>(observable: ObservableInput<R>, resultSelector: undefined): OperatorFunction<T, R>;
+/** @deprecated resultSelector is no longer supported. Switch to using switchMap with an inner map */
+export function switchMapTo<T, I, R>(observable: ObservableInput<I>, resultSelector: (outerValue: T, innerValue: I, outerIndex: number, innerIndex: number) => R): OperatorFunction<T, R>;
+/* tslint:enable:max-line-length */
+
+/**
+ * Projects each source value to the same Observable which is flattened multiple
+ * times with {@link switchMap} in the output Observable.
+ *
+ * <span class="informal">It's like {@link switchMap}, but maps each value
+ * always to the same inner Observable.</span>
+ *
+ * ![](switchMapTo.png)
+ *
+ * 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
+ * ```ts
+ * import { fromEvent, interval } from 'rxjs';
+ * import { switchMapTo } from 'rxjs/operators';
+ *
+ * const clicks = fromEvent(document, 'click');
+ * const result = clicks.pipe(switchMapTo(interval(1000)));
+ * result.subscribe(x => console.log(x));
+ * ```
+ *
+ * @see {@link concatMapTo}
+ * @see {@link switchAll}
+ * @see {@link switchMap}
+ * @see {@link mergeMapTo}
+ *
+ * @param {ObservableInput} innerObservable An Observable to replace each value from
+ * the source Observable.
+ * @return {Observable} An Observable that emits items from the given
+ * `innerObservable` (and optionally transformed through the deprecated `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<T, I, R>(
+  innerObservable: ObservableInput<I>,
+  resultSelector?: (outerValue: T, innerValue: I, outerIndex: number, innerIndex: number) => R
+): OperatorFunction<T, I|R> {
+  return resultSelector ? switchMap(() => innerObservable, resultSelector) : switchMap(() => innerObservable);
+}