[6a3a178] | 1 | /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
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| 2 | import * as tslib_1 from "tslib";
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| 3 | import { Subscriber } from '../Subscriber';
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| 4 | export function defaultIfEmpty(defaultValue) {
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| 5 | if (defaultValue === void 0) {
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| 6 | defaultValue = null;
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| 7 | }
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| 8 | return function (source) { return source.lift(new DefaultIfEmptyOperator(defaultValue)); };
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| 9 | }
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| 10 | var DefaultIfEmptyOperator = /*@__PURE__*/ (function () {
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| 11 | function DefaultIfEmptyOperator(defaultValue) {
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| 12 | this.defaultValue = defaultValue;
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| 13 | }
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| 14 | DefaultIfEmptyOperator.prototype.call = function (subscriber, source) {
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| 15 | return source.subscribe(new DefaultIfEmptySubscriber(subscriber, this.defaultValue));
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| 16 | };
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| 17 | return DefaultIfEmptyOperator;
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| 18 | }());
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| 19 | var DefaultIfEmptySubscriber = /*@__PURE__*/ (function (_super) {
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| 20 | tslib_1.__extends(DefaultIfEmptySubscriber, _super);
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| 21 | function DefaultIfEmptySubscriber(destination, defaultValue) {
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| 22 | var _this = _super.call(this, destination) || this;
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| 23 | _this.defaultValue = defaultValue;
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| 24 | _this.isEmpty = true;
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| 25 | return _this;
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| 26 | }
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| 27 | DefaultIfEmptySubscriber.prototype._next = function (value) {
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| 28 | this.isEmpty = false;
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| 29 | this.destination.next(value);
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| 30 | };
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| 31 | DefaultIfEmptySubscriber.prototype._complete = function () {
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| 32 | if (this.isEmpty) {
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| 33 | this.destination.next(this.defaultValue);
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| 34 | }
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| 35 | this.destination.complete();
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| 36 | };
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| 37 | return DefaultIfEmptySubscriber;
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| 38 | }(Subscriber));
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| 39 | //# sourceMappingURL=defaultIfEmpty.js.map
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