rxjs
Version:
Reactive Extensions for modern JavaScript
42 lines • 1.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.windowWhen = void 0;
var Subject_1 = require("../Subject");
var lift_1 = require("../util/lift");
var OperatorSubscriber_1 = require("./OperatorSubscriber");
var from_1 = require("../observable/from");
function windowWhen(closingSelector) {
return lift_1.operate(function (source, subscriber) {
var window;
var closingSubscriber;
var handleError = function (err) {
window.error(err);
subscriber.error(err);
};
var openWindow = function () {
closingSubscriber === null || closingSubscriber === void 0 ? void 0 : closingSubscriber.unsubscribe();
window === null || window === void 0 ? void 0 : window.complete();
window = new Subject_1.Subject();
subscriber.next(window.asObservable());
var closingNotifier;
try {
closingNotifier = from_1.innerFrom(closingSelector());
}
catch (err) {
handleError(err);
return;
}
closingNotifier.subscribe((closingSubscriber = new OperatorSubscriber_1.OperatorSubscriber(subscriber, openWindow, handleError, openWindow)));
};
openWindow();
source.subscribe(new OperatorSubscriber_1.OperatorSubscriber(subscriber, function (value) { return window.next(value); }, handleError, function () {
window.complete();
subscriber.complete();
}, function () {
closingSubscriber === null || closingSubscriber === void 0 ? void 0 : closingSubscriber.unsubscribe();
window = null;
}));
});
}
exports.windowWhen = windowWhen;
//# sourceMappingURL=windowWhen.js.map