text: 'use strict'
  var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]
    function __ () { this.constructor = d }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __())
  }
  var OuterSubscriber_1 = require('../OuterSubscriber')
  var subscribeToResult_1 = require('../util/subscribeToResult')
  /**
   * Emits the values emitted by the source Observable until a `notifier`
   * Observable emits a value.
   *
   * <span class="informal">Lets values pass until a second Observable,
   * `notifier`, emits something. Then, it completes.</span>
   *
   * <img src="./img/takeUntil.png" width="100%">
   *
   * `takeUntil` subscribes and begins mirroring the source Observable. It also
   * monitors a second Observable, `notifier` that you provide. If the `notifier`
   * emits a value or a complete notification, the output Observable stops
   * mirroring the source Observable and completes.
   *
   * @example <caption>Tick every second until the first click happens</caption>
   * var interval = Rx.Observable.interval(1000);
   * var clicks = Rx.Observable.fromEvent(document, 'click');
   * var result = interval.takeUntil(clicks);
   * result.subscribe(x => console.log(x));
   *
   * @see {@link take}
   * @see {@link takeLast}
   * @see {@link takeWhile}
   * @see {@link skip}
   *
   * @param {Observable} notifier The Observable whose first emitted value will
   * cause the output Observable of `takeUntil` to stop emitting values from the
   * source Observable.
   * @return {Observable<T>} An Observable that emits the values from the source
   * Observable until such time as `notifier` emits its first value.
   * @method takeUntil
   * @owner Observable
   */
  function takeUntil (notifier) {
    return function (source) { return source.lift(new TakeUntilOperator(notifier)) }
  }
  exports.takeUntil = takeUntil
  var TakeUntilOperator = (function () {
    function TakeUntilOperator (notifier) {
      this.notifier = notifier
    }
    TakeUntilOperator.prototype.call = function (subscriber, source) {
      return source.subscribe(new TakeUntilSubscriber(subscriber, this.notifier))
    }
    return TakeUntilOperator
  }())
  /**
   * We need this JSDoc comment for affecting ESDoc.
   * @ignore
   * @extends {Ignored}
   */
  var TakeUntilSubscriber = (function (_super) {
    __extends(TakeUntilSubscriber, _super)
    function TakeUntilSubscriber (destination, notifier) {
      _super.call(this, destination)
      this.notifier = notifier
      this.add(subscribeToResult_1.subscribeToResult(this, notifier))
    }
    TakeUntilSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
      this.complete()
    }
    TakeUntilSubscriber.prototype.notifyComplete = function () {
      // noop
    }
    return TakeUntilSubscriber
  }(OuterSubscriber_1.OuterSubscriber))
  // # sourceMappingURL=takeUntil.js.map
  