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43 lines
1.7 KiB
43 lines
1.7 KiB
import { Notification } from '../Notification'; |
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import { OperatorFunction } from '../interfaces'; |
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/** |
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* Converts an Observable of {@link Notification} objects into the emissions |
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* that they represent. |
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* |
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* <span class="informal">Unwraps {@link Notification} objects as actual `next`, |
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* `error` and `complete` emissions. The opposite of {@link materialize}.</span> |
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* |
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* <img src="./img/dematerialize.png" width="100%"> |
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* |
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* `dematerialize` is assumed to operate an Observable that only emits |
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* {@link Notification} objects as `next` emissions, and does not emit any |
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* `error`. Such Observable is the output of a `materialize` operation. Those |
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* notifications are then unwrapped using the metadata they contain, and emitted |
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* as `next`, `error`, and `complete` on the output Observable. |
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* |
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* Use this operator in conjunction with {@link materialize}. |
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* |
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* @example <caption>Convert an Observable of Notifications to an actual Observable</caption> |
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* var notifA = new Rx.Notification('N', 'A'); |
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* var notifB = new Rx.Notification('N', 'B'); |
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* var notifE = new Rx.Notification('E', void 0, |
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* new TypeError('x.toUpperCase is not a function') |
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* ); |
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* var materialized = Rx.Observable.of(notifA, notifB, notifE); |
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* var upperCase = materialized.dematerialize(); |
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* upperCase.subscribe(x => console.log(x), e => console.error(e)); |
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* |
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* // Results in: |
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* // A |
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* // B |
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* // TypeError: x.toUpperCase is not a function |
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* |
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* @see {@link Notification} |
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* @see {@link materialize} |
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* |
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* @return {Observable} An Observable that emits items and notifications |
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* embedded in Notification objects emitted by the source Observable. |
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* @method dematerialize |
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* @owner Observable |
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*/ |
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export declare function dematerialize<T>(): OperatorFunction<Notification<T>, T>;
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