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/** PURE_IMPORTS_START tslib,_Subject,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { Subject } from '../Subject';
import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
export function windowWhen(closingSelector) {
return function windowWhenOperatorFunction(source) {
return source.lift(new WindowOperator(closingSelector));
};
}
var WindowOperator = /*@__PURE__*/ (function () {
function WindowOperator(closingSelector) {
this.closingSelector = closingSelector;
}
WindowOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new WindowSubscriber(subscriber, this.closingSelector));
};
return WindowOperator;
}());
var WindowSubscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(WindowSubscriber, _super);
function WindowSubscriber(destination, closingSelector) {
var _this = _super.call(this, destination) || this;
_this.destination = destination;
_this.closingSelector = closingSelector;
_this.openWindow();
return _this;
}
WindowSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
this.openWindow(innerSub);
};
WindowSubscriber.prototype.notifyError = function (error, innerSub) {
this._error(error);
};
WindowSubscriber.prototype.notifyComplete = function (innerSub) {
this.openWindow(innerSub);
};
WindowSubscriber.prototype._next = function (value) {
this.window.next(value);
};
WindowSubscriber.prototype._error = function (err) {
this.window.error(err);
this.destination.error(err);
this.unsubscribeClosingNotification();
};
WindowSubscriber.prototype._complete = function () {
this.window.complete();
this.destination.complete();
this.unsubscribeClosingNotification();
};
WindowSubscriber.prototype.unsubscribeClosingNotification = function () {
if (this.closingNotification) {
this.closingNotification.unsubscribe();
}
};
WindowSubscriber.prototype.openWindow = function (innerSub) {
if (innerSub === void 0) {
innerSub = null;
}
if (innerSub) {
this.remove(innerSub);
innerSub.unsubscribe();
}
var prevWindow = this.window;
if (prevWindow) {
prevWindow.complete();
}
var window = this.window = new Subject();
this.destination.next(window);
var closingNotifier;
try {
var closingSelector = this.closingSelector;
closingNotifier = closingSelector();
}
catch (e) {
this.destination.error(e);
this.window.error(e);
return;
}
this.add(this.closingNotification = subscribeToResult(this, closingNotifier));
};
return WindowSubscriber;
}(OuterSubscriber));
//# sourceMappingURL=windowWhen.js.map
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