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-rw-r--r--node_modules/rxjs/src/internal/observable/empty.ts79
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diff --git a/node_modules/rxjs/src/internal/observable/empty.ts b/node_modules/rxjs/src/internal/observable/empty.ts
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-import { Observable } from '../Observable';
-import { SchedulerLike } from '../types';
-
-/**
- * A simple Observable that emits no items to the Observer and immediately
- * emits a complete notification.
- *
- * <span class="informal">Just emits 'complete', and nothing else.</span>
- *
- * ![](empty.png)
- *
- * A simple Observable that only emits the complete notification. It can be used
- * for composing with other Observables, such as in a {@link mergeMap}.
- *
- * ## Examples
- *
- * Log complete notification
- *
- * ```ts
- * import { EMPTY } from 'rxjs';
- *
- * EMPTY.subscribe({
- * next: () => console.log('Next'),
- * complete: () => console.log('Complete!')
- * });
- *
- * // Outputs
- * // Complete!
- * ```
- *
- * Emit the number 7, then complete
- *
- * ```ts
- * import { EMPTY, startWith } from 'rxjs';
- *
- * const result = EMPTY.pipe(startWith(7));
- * result.subscribe(x => console.log(x));
- *
- * // Outputs
- * // 7
- * ```
- *
- * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`
- *
- * ```ts
- * import { interval, mergeMap, of, EMPTY } from 'rxjs';
- *
- * const interval$ = interval(1000);
- * const result = interval$.pipe(
- * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),
- * );
- * result.subscribe(x => console.log(x));
- *
- * // Results in the following to the console:
- * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)
- * // x will occur every 1000ms
- * // if x % 2 is equal to 1, print a, b, c (each on its own)
- * // if x % 2 is not equal to 1, nothing will be output
- * ```
- *
- * @see {@link Observable}
- * @see {@link NEVER}
- * @see {@link of}
- * @see {@link throwError}
- */
-export const EMPTY = new Observable<never>((subscriber) => subscriber.complete());
-
-/**
- * @param scheduler A {@link SchedulerLike} to use for scheduling
- * the emission of the complete notification.
- * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.
- */
-export function empty(scheduler?: SchedulerLike) {
- return scheduler ? emptyScheduled(scheduler) : EMPTY;
-}
-
-function emptyScheduled(scheduler: SchedulerLike) {
- return new Observable<never>((subscriber) => scheduler.schedule(() => subscriber.complete()));
-}
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