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/** PURE_IMPORTS_START tslib,_util_EmptyError,_Subscriber PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { EmptyError } from '../util/EmptyError';
import { Subscriber } from '../Subscriber';
export function throwIfEmpty(errorFactory) {
    if (errorFactory === void 0) {
        errorFactory = defaultErrorFactory;
    }
    return function (source) {
        return source.lift(new ThrowIfEmptyOperator(errorFactory));
    };
}
var ThrowIfEmptyOperator = /*@__PURE__*/ (function () {
    function ThrowIfEmptyOperator(errorFactory) {
        this.errorFactory = errorFactory;
    }
    ThrowIfEmptyOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new ThrowIfEmptySubscriber(subscriber, this.errorFactory));
    };
    return ThrowIfEmptyOperator;
}());
var ThrowIfEmptySubscriber = /*@__PURE__*/ (function (_super) {
    tslib_1.__extends(ThrowIfEmptySubscriber, _super);
    function ThrowIfEmptySubscriber(destination, errorFactory) {
        var _this = _super.call(this, destination) || this;
        _this.errorFactory = errorFactory;
        _this.hasValue = false;
        return _this;
    }
    ThrowIfEmptySubscriber.prototype._next = function (value) {
        this.hasValue = true;
        this.destination.next(value);
    };
    ThrowIfEmptySubscriber.prototype._complete = function () {
        if (!this.hasValue) {
            var err = void 0;
            try {
                err = this.errorFactory();
            }
            catch (e) {
                err = e;
            }
            this.destination.error(err);
        }
        else {
            return this.destination.complete();
        }
    };
    return ThrowIfEmptySubscriber;
}(Subscriber));
function defaultErrorFactory() {
    return new EmptyError();
}
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