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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/src/internal/operators/repeatWhen.ts b/.config/coc/extensions/node_modules/coc-prettier/node_modules/rxjs/src/internal/operators/repeatWhen.ts
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+import { Operator } from '../Operator';
+import { Subscriber } from '../Subscriber';
+import { Observable } from '../Observable';
+import { Subject } from '../Subject';
+import { Subscription } from '../Subscription';
+
+import { OuterSubscriber } from '../OuterSubscriber';
+import { InnerSubscriber } from '../InnerSubscriber';
+import { subscribeToResult } from '../util/subscribeToResult';
+
+import { MonoTypeOperatorFunction, TeardownLogic } from '../types';
+
+/**
+ * Returns an Observable that mirrors the source Observable with the exception of a `complete`. If the source
+ * Observable calls `complete`, this method will emit to the Observable returned from `notifier`. If that Observable
+ * calls `complete` or `error`, then this method will call `complete` or `error` on the child subscription. Otherwise
+ * this method will resubscribe to the source Observable.
+ *
+ * ![](repeatWhen.png)
+ *
+ * ## Example
+ * Repeat a message stream on click
+ * ```ts
+ * import { of, fromEvent } from 'rxjs';
+ * import { repeatWhen } from 'rxjs/operators';
+ *
+ * const source = of('Repeat message');
+ * const documentClick$ = fromEvent(document, 'click');
+ *
+ * source.pipe(repeatWhen(() => documentClick$)
+ * ).subscribe(data => console.log(data))
+ * ```
+ * @see {@link repeat}
+ * @see {@link retry}
+ * @see {@link retryWhen}
+ *
+ * @param {function(notifications: Observable): Observable} notifier - Receives an Observable of notifications with
+ * which a user can `complete` or `error`, aborting the repetition.
+ * @return {Observable} The source Observable modified with repeat logic.
+ * @method repeatWhen
+ * @owner Observable
+ */
+export function repeatWhen<T>(notifier: (notifications: Observable<any>) => Observable<any>): MonoTypeOperatorFunction<T> {
+  return (source: Observable<T>) => source.lift(new RepeatWhenOperator(notifier));
+}
+
+class RepeatWhenOperator<T> implements Operator<T, T> {
+  constructor(protected notifier: (notifications: Observable<any>) => Observable<any>) {
+  }
+
+  call(subscriber: Subscriber<T>, source: any): TeardownLogic {
+    return source.subscribe(new RepeatWhenSubscriber(subscriber, this.notifier, source));
+  }
+}
+
+/**
+ * We need this JSDoc comment for affecting ESDoc.
+ * @ignore
+ * @extends {Ignored}
+ */
+class RepeatWhenSubscriber<T, R> extends OuterSubscriber<T, R> {
+
+  private notifications: Subject<any>;
+  private retries: Observable<any>;
+  private retriesSubscription: Subscription;
+  private sourceIsBeingSubscribedTo: boolean = true;
+
+  constructor(destination: Subscriber<R>,
+              private notifier: (notifications: Observable<any>) => Observable<any>,
+              private source: Observable<T>) {
+    super(destination);
+  }
+
+  notifyNext(outerValue: T, innerValue: R,
+             outerIndex: number, innerIndex: number,
+             innerSub: InnerSubscriber<T, R>): void {
+    this.sourceIsBeingSubscribedTo = true;
+    this.source.subscribe(this);
+  }
+
+  notifyComplete(innerSub: InnerSubscriber<T, R>): void {
+    if (this.sourceIsBeingSubscribedTo === false) {
+      return super.complete();
+    }
+  }
+
+  complete() {
+    this.sourceIsBeingSubscribedTo = false;
+
+    if (!this.isStopped) {
+      if (!this.retries) {
+        this.subscribeToRetries();
+      }
+      if (!this.retriesSubscription || this.retriesSubscription.closed) {
+        return super.complete();
+      }
+
+      this._unsubscribeAndRecycle();
+      this.notifications.next();
+    }
+  }
+
+  /** @deprecated This is an internal implementation detail, do not use. */
+  _unsubscribe() {
+    const { notifications, retriesSubscription } = this;
+    if (notifications) {
+      notifications.unsubscribe();
+      this.notifications = null;
+    }
+    if (retriesSubscription) {
+      retriesSubscription.unsubscribe();
+      this.retriesSubscription = null;
+    }
+    this.retries = null;
+  }
+
+  /** @deprecated This is an internal implementation detail, do not use. */
+  _unsubscribeAndRecycle(): Subscriber<T> {
+    const { _unsubscribe } = this;
+
+    this._unsubscribe = null;
+    super._unsubscribeAndRecycle();
+    this._unsubscribe = _unsubscribe;
+
+    return this;
+  }
+
+  private subscribeToRetries() {
+    this.notifications = new Subject();
+    let retries;
+    try {
+      const { notifier } = this;
+      retries = notifier(this.notifications);
+    } catch (e) {
+      return super.complete();
+    }
+    this.retries = retries;
+    this.retriesSubscription = subscribeToResult(this, retries);
+  }
+}