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