Opal-Estate-Pro/node_modules/rxjs/_esm2015/operators/ignoreElements.js
2019-09-13 11:27:52 +07:00

33 lines
976 B
JavaScript
Executable File

import { Subscriber } from '../Subscriber';
import { noop } from '../util/noop';
/**
* Ignores all items emitted by the source Observable and only passes calls of `complete` or `error`.
*
* <img src="./img/ignoreElements.png" width="100%">
*
* @return {Observable} An empty Observable that only calls `complete`
* or `error`, based on which one is called by the source Observable.
* @method ignoreElements
* @owner Observable
*/
export function ignoreElements() {
return function ignoreElementsOperatorFunction(source) {
return source.lift(new IgnoreElementsOperator());
};
}
class IgnoreElementsOperator {
call(subscriber, source) {
return source.subscribe(new IgnoreElementsSubscriber(subscriber));
}
}
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
class IgnoreElementsSubscriber extends Subscriber {
_next(unused) {
noop();
}
}
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