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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/src/internal/operators/concatMap.ts b/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/src/internal/operators/concatMap.ts
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+import { mergeMap } from './mergeMap';
+import { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';
+
+/* tslint:disable:max-line-length */
+export function concatMap<T, O extends ObservableInput<any>>(project: (value: T, index: number) =>  O): OperatorFunction<T, ObservedValueOf<O>>;
+/** @deprecated resultSelector no longer supported, use inner map instead */
+export function concatMap<T, O extends ObservableInput<any>>(project: (value: T, index: number) => O, resultSelector: undefined): OperatorFunction<T, ObservedValueOf<O>>;
+/** @deprecated resultSelector no longer supported, use inner map instead */
+export function concatMap<T, R, O extends ObservableInput<any>>(project: (value: T, index: number) =>  O, resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R): OperatorFunction<T, R>;
+/* tslint:enable:max-line-length */
+
+/**
+ * Projects each source value to an Observable which is merged in the output
+ * Observable, in a serialized fashion waiting for each one to complete before
+ * merging the next.
+ *
+ * <span class="informal">Maps each value to an Observable, then flattens all of
+ * these inner Observables using {@link concatAll}.</span>
+ *
+ * ![](concatMap.png)
+ *
+ * Returns an Observable that emits items based on applying a function that you
+ * supply to each item emitted by the source Observable, where that function
+ * returns an (so-called "inner") Observable. Each new inner Observable is
+ * concatenated with the previous inner Observable.
+ *
+ * __Warning:__ if source values arrive endlessly and faster than their
+ * corresponding inner Observables can complete, it will result in memory issues
+ * as inner Observables amass in an unbounded buffer waiting for their turn to
+ * be subscribed to.
+ *
+ * Note: `concatMap` is equivalent to `mergeMap` with concurrency parameter set
+ * to `1`.
+ *
+ * ## Example
+ * For each click event, tick every second from 0 to 3, with no concurrency
+ *
+ * ```ts
+ * import { fromEvent, interval } from 'rxjs';
+ * import { concatMap, take } from 'rxjs/operators';
+ *
+ * const clicks = fromEvent(document, 'click');
+ * const result = clicks.pipe(
+ *   concatMap(ev => interval(1000).pipe(take(4)))
+ * );
+ * result.subscribe(x => console.log(x));
+ *
+ * // Results in the following:
+ * // (results are not concurrent)
+ * // For every click on the "document" it will emit values 0 to 3 spaced
+ * // on a 1000ms interval
+ * // one click = 1000ms-> 0 -1000ms-> 1 -1000ms-> 2 -1000ms-> 3
+ * ```
+ *
+ * @see {@link concat}
+ * @see {@link concatAll}
+ * @see {@link concatMapTo}
+ * @see {@link exhaustMap}
+ * @see {@link mergeMap}
+ * @see {@link switchMap}
+ *
+ * @param {function(value: T, ?index: number): ObservableInput} project A function
+ * that, when applied to an item emitted by the source Observable, returns an
+ * Observable.
+ * @return {Observable} An Observable that emits the result of applying the
+ * projection function (and the optional deprecated `resultSelector`) to each item emitted
+ * by the source Observable and taking values from each projected inner
+ * Observable sequentially.
+ * @method concatMap
+ * @owner Observable
+ */
+export function concatMap<T, R, O extends ObservableInput<any>>(
+  project: (value: T, index: number) => O,
+  resultSelector?: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R
+): OperatorFunction<T, ObservedValueOf<O>|R> {
+  return mergeMap(project, resultSelector, 1);
+}