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40 lines
1.4 KiB
40 lines
1.4 KiB
"use strict"; |
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var take_1 = require('../operators/take'); |
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/** |
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* Emits only the first `count` values emitted by the source Observable. |
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* |
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* <span class="informal">Takes the first `count` values from the source, then |
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* completes.</span> |
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* |
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* <img src="./img/take.png" width="100%"> |
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* |
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* `take` returns an Observable that emits only the first `count` values emitted |
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* by the source Observable. If the source emits fewer than `count` values then |
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* all of its values are emitted. After that, it completes, regardless if the |
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* source completes. |
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* |
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* @example <caption>Take the first 5 seconds of an infinite 1-second interval Observable</caption> |
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* var interval = Rx.Observable.interval(1000); |
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* var five = interval.take(5); |
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* five.subscribe(x => console.log(x)); |
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* |
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* @see {@link takeLast} |
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* @see {@link takeUntil} |
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* @see {@link takeWhile} |
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* @see {@link skip} |
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* |
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* @throws {ArgumentOutOfRangeError} When using `take(i)`, it delivers an |
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* ArgumentOutOrRangeError to the Observer's `error` callback if `i < 0`. |
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* |
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* @param {number} count The maximum number of `next` values to emit. |
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* @return {Observable<T>} An Observable that emits only the first `count` |
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* values emitted by the source Observable, or all of the values from the source |
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* if the source emits fewer than `count` values. |
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* @method take |
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* @owner Observable |
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*/ |
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function take(count) { |
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return take_1.take(count)(this); |
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} |
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exports.take = take; |
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//# sourceMappingURL=take.js.map
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