es6/operator/ignoreElements.js

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 this.lift(new IgnoreElementsOperator());
}
;
var IgnoreElementsOperator = (function () {
    function IgnoreElementsOperator() {
    }
    IgnoreElementsOperator.prototype.call = function (subscriber, source) {
        return source._subscribe(new IgnoreElementsSubscriber(subscriber));
    };
    return IgnoreElementsOperator;
}());
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @ignore
 * @extends {Ignored}
 */
var IgnoreElementsSubscriber = (function (_super) {
    __extends(IgnoreElementsSubscriber, _super);
    function IgnoreElementsSubscriber() {
        _super.apply(this, arguments);
    }
    IgnoreElementsSubscriber.prototype._next = function (unused) {
        noop();
    };
    return IgnoreElementsSubscriber;
}(Subscriber));
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