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59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import { MonoTypeOperatorFunction } from '../types';
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/**
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* Returns an Observable that will resubscribe to the source stream when the source stream completes, at most count times.
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*
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* <span class="informal">Repeats all values emitted on the source. It's like {@link retry}, but for non error cases.</span>
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*
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* ![](repeat.png)
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*
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* Similar to {@link retry}, this operator repeats the stream of items emitted by the source for non error cases.
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* Repeat can be useful for creating observables that are meant to have some repeated pattern or rhythm.
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*
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* Note: `repeat(0)` returns an empty observable and `repeat()` will repeat forever
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*
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* ## Example
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* Repeat a message stream
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* ```ts
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* import { of } from 'rxjs';
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* import { repeat, delay } from 'rxjs/operators';
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*
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* const source = of('Repeat message');
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* const example = source.pipe(repeat(3));
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* example.subscribe(x => console.log(x));
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*
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* // Results
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* // Repeat message
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* // Repeat message
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* // Repeat message
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* ```
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*
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* Repeat 3 values, 2 times
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* ```ts
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* import { interval } from 'rxjs';
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* import { repeat, take } from 'rxjs/operators';
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*
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* const source = interval(1000);
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* const example = source.pipe(take(3), repeat(2));
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* example.subscribe(x => console.log(x));
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*
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* // Results every second
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* // 0
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* // 1
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* // 2
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* // 0
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* // 1
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* // 2
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* ```
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*
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* @see {@link repeatWhen}
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* @see {@link retry}
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*
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* @param {number} [count] The number of times the source Observable items are repeated, a count of 0 will yield
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* an empty Observable.
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* @return {Observable} An Observable that will resubscribe to the source stream when the source stream completes
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* , at most count times.
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* @method repeat
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* @owner Observable
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*/
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export declare function repeat<T>(count?: number): MonoTypeOperatorFunction<T>;
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