| 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(); |
| } |
| } |
| //# sourceMappingURL=ignoreElements.js.map |