| 1 | /** PURE_IMPORTS_START tslib,_Subject,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
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| 2 | import * as tslib_1 from "tslib";
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| 3 | import { Subject } from '../Subject';
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| 4 | import { OuterSubscriber } from '../OuterSubscriber';
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| 5 | import { subscribeToResult } from '../util/subscribeToResult';
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| 6 | export function windowWhen(closingSelector) {
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| 7 | return function windowWhenOperatorFunction(source) {
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| 8 | return source.lift(new WindowOperator(closingSelector));
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| 9 | };
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| 10 | }
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| 11 | var WindowOperator = /*@__PURE__*/ (function () {
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| 12 | function WindowOperator(closingSelector) {
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| 13 | this.closingSelector = closingSelector;
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| 14 | }
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| 15 | WindowOperator.prototype.call = function (subscriber, source) {
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| 16 | return source.subscribe(new WindowSubscriber(subscriber, this.closingSelector));
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| 17 | };
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| 18 | return WindowOperator;
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| 19 | }());
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| 20 | var WindowSubscriber = /*@__PURE__*/ (function (_super) {
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| 21 | tslib_1.__extends(WindowSubscriber, _super);
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| 22 | function WindowSubscriber(destination, closingSelector) {
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| 23 | var _this = _super.call(this, destination) || this;
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| 24 | _this.destination = destination;
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| 25 | _this.closingSelector = closingSelector;
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| 26 | _this.openWindow();
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| 27 | return _this;
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| 28 | }
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| 29 | WindowSubscriber.prototype.notifyNext = function (_outerValue, _innerValue, _outerIndex, _innerIndex, innerSub) {
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| 30 | this.openWindow(innerSub);
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| 31 | };
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| 32 | WindowSubscriber.prototype.notifyError = function (error) {
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| 33 | this._error(error);
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| 34 | };
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| 35 | WindowSubscriber.prototype.notifyComplete = function (innerSub) {
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| 36 | this.openWindow(innerSub);
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| 37 | };
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| 38 | WindowSubscriber.prototype._next = function (value) {
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| 39 | this.window.next(value);
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| 40 | };
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| 41 | WindowSubscriber.prototype._error = function (err) {
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| 42 | this.window.error(err);
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| 43 | this.destination.error(err);
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| 44 | this.unsubscribeClosingNotification();
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| 45 | };
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| 46 | WindowSubscriber.prototype._complete = function () {
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| 47 | this.window.complete();
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| 48 | this.destination.complete();
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| 49 | this.unsubscribeClosingNotification();
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| 50 | };
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| 51 | WindowSubscriber.prototype.unsubscribeClosingNotification = function () {
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| 52 | if (this.closingNotification) {
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| 53 | this.closingNotification.unsubscribe();
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| 54 | }
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| 55 | };
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| 56 | WindowSubscriber.prototype.openWindow = function (innerSub) {
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| 57 | if (innerSub === void 0) {
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| 58 | innerSub = null;
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| 59 | }
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| 60 | if (innerSub) {
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| 61 | this.remove(innerSub);
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| 62 | innerSub.unsubscribe();
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| 63 | }
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| 64 | var prevWindow = this.window;
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| 65 | if (prevWindow) {
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| 66 | prevWindow.complete();
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| 67 | }
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| 68 | var window = this.window = new Subject();
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| 69 | this.destination.next(window);
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| 70 | var closingNotifier;
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| 71 | try {
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| 72 | var closingSelector = this.closingSelector;
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| 73 | closingNotifier = closingSelector();
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| 74 | }
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| 75 | catch (e) {
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| 76 | this.destination.error(e);
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| 77 | this.window.error(e);
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| 78 | return;
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| 79 | }
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| 80 | this.add(this.closingNotification = subscribeToResult(this, closingNotifier));
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| 81 | };
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| 82 | return WindowSubscriber;
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| 83 | }(OuterSubscriber));
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| 84 | //# sourceMappingURL=windowWhen.js.map
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