/** PURE_IMPORTS_START tslib,_Subject,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { Subject } from '../Subject';
import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
export function retryWhen(notifier) {
    return function (source) { return source.lift(new RetryWhenOperator(notifier, source)); };
}
var RetryWhenOperator = /*@__PURE__*/ (function () {
    function RetryWhenOperator(notifier, source) {
        this.notifier = notifier;
        this.source = source;
    }
    RetryWhenOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new RetryWhenSubscriber(subscriber, this.notifier, this.source));
    };
    return RetryWhenOperator;
}());
var RetryWhenSubscriber = /*@__PURE__*/ (function (_super) {
    tslib_1.__extends(RetryWhenSubscriber, _super);
    function RetryWhenSubscriber(destination, notifier, source) {
        var _this = _super.call(this, destination) || this;
        _this.notifier = notifier;
        _this.source = source;
        return _this;
    }
    RetryWhenSubscriber.prototype.error = function (err) {
        if (!this.isStopped) {
            var errors = this.errors;
            var retries = this.retries;
            var retriesSubscription = this.retriesSubscription;
            if (!retries) {
                errors = new Subject();
                try {
                    var notifier = this.notifier;
                    retries = notifier(errors);
                }
                catch (e) {
                    return _super.prototype.error.call(this, e);
                }
                retriesSubscription = subscribeToResult(this, retries);
            }
            else {
                this.errors = null;
                this.retriesSubscription = null;
            }
            this._unsubscribeAndRecycle();
            this.errors = errors;
            this.retries = retries;
            this.retriesSubscription = retriesSubscription;
            errors.next(err);
        }
    };
    RetryWhenSubscriber.prototype._unsubscribe = function () {
        var _a = this, errors = _a.errors, retriesSubscription = _a.retriesSubscription;
        if (errors) {
            errors.unsubscribe();
            this.errors = null;
        }
        if (retriesSubscription) {
            retriesSubscription.unsubscribe();
            this.retriesSubscription = null;
        }
        this.retries = null;
    };
    RetryWhenSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
        var _unsubscribe = this._unsubscribe;
        this._unsubscribe = null;
        this._unsubscribeAndRecycle();
        this._unsubscribe = _unsubscribe;
        this.source.subscribe(this);
    };
    return RetryWhenSubscriber;
}(OuterSubscriber));
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