om/node_modules/rxjs/_esm5/internal/operators/takeUntil.js

/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
export function takeUntil(notifier) {
    return function (source) { return source.lift(new TakeUntilOperator(notifier)); };
}
var TakeUntilOperator = /*@__PURE__*/ (function () {
    function TakeUntilOperator(notifier) {
        this.notifier = notifier;
    }
    TakeUntilOperator.prototype.call = function (subscriber, source) {
        var takeUntilSubscriber = new TakeUntilSubscriber(subscriber);
        var notifierSubscription = subscribeToResult(takeUntilSubscriber, this.notifier);
        if (notifierSubscription && !takeUntilSubscriber.seenValue) {
            takeUntilSubscriber.add(notifierSubscription);
            return source.subscribe(takeUntilSubscriber);
        }
        return takeUntilSubscriber;
    };
    return TakeUntilOperator;
}());
var TakeUntilSubscriber = /*@__PURE__*/ (function (_super) {
    tslib_1.__extends(TakeUntilSubscriber, _super);
    function TakeUntilSubscriber(destination) {
        var _this = _super.call(this, destination) || this;
        _this.seenValue = false;
        return _this;
    }
    TakeUntilSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
        this.seenValue = true;
        this.complete();
    };
    TakeUntilSubscriber.prototype.notifyComplete = function () {
    };
    return TakeUntilSubscriber;
}(OuterSubscriber));
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