| 1 | /** PURE_IMPORTS_START tslib,_util_EmptyError,_Subscriber PURE_IMPORTS_END */
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| 2 | import * as tslib_1 from "tslib";
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| 3 | import { EmptyError } from '../util/EmptyError';
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| 4 | import { Subscriber } from '../Subscriber';
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| 5 | export function throwIfEmpty(errorFactory) {
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| 6 | if (errorFactory === void 0) {
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| 7 | errorFactory = defaultErrorFactory;
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| 8 | }
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| 9 | return function (source) {
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| 10 | return source.lift(new ThrowIfEmptyOperator(errorFactory));
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| 11 | };
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| 12 | }
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| 13 | var ThrowIfEmptyOperator = /*@__PURE__*/ (function () {
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| 14 | function ThrowIfEmptyOperator(errorFactory) {
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| 15 | this.errorFactory = errorFactory;
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| 16 | }
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| 17 | ThrowIfEmptyOperator.prototype.call = function (subscriber, source) {
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| 18 | return source.subscribe(new ThrowIfEmptySubscriber(subscriber, this.errorFactory));
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| 19 | };
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| 20 | return ThrowIfEmptyOperator;
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| 21 | }());
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| 22 | var ThrowIfEmptySubscriber = /*@__PURE__*/ (function (_super) {
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| 23 | tslib_1.__extends(ThrowIfEmptySubscriber, _super);
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| 24 | function ThrowIfEmptySubscriber(destination, errorFactory) {
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| 25 | var _this = _super.call(this, destination) || this;
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| 26 | _this.errorFactory = errorFactory;
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| 27 | _this.hasValue = false;
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| 28 | return _this;
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| 29 | }
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| 30 | ThrowIfEmptySubscriber.prototype._next = function (value) {
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| 31 | this.hasValue = true;
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| 32 | this.destination.next(value);
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| 33 | };
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| 34 | ThrowIfEmptySubscriber.prototype._complete = function () {
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| 35 | if (!this.hasValue) {
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| 36 | var err = void 0;
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| 37 | try {
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| 38 | err = this.errorFactory();
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| 39 | }
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| 40 | catch (e) {
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| 41 | err = e;
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| 42 | }
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| 43 | this.destination.error(err);
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| 44 | }
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| 45 | else {
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| 46 | return this.destination.complete();
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| 47 | }
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| 48 | };
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| 49 | return ThrowIfEmptySubscriber;
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| 50 | }(Subscriber));
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| 51 | function defaultErrorFactory() {
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| 52 | return new EmptyError();
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| 53 | }
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| 54 | //# sourceMappingURL=throwIfEmpty.js.map
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