Add web front-end and fix API issues

node_modules/rxjs/dist/esm/internal/operators/window.js

@@ -0,0 +1,28 @@
+import { Subject } from '../Subject';
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+import { noop } from '../util/noop';
+import { innerFrom } from '../observable/innerFrom';
+export function window(windowBoundaries) {
+    return operate((source, subscriber) => {
+        let windowSubject = new Subject();
+        subscriber.next(windowSubject.asObservable());
+        const errorHandler = (err) => {
+            windowSubject.error(err);
+            subscriber.error(err);
+        };
+        source.subscribe(createOperatorSubscriber(subscriber, (value) => windowSubject === null || windowSubject === void 0 ? void 0 : windowSubject.next(value), () => {
+            windowSubject.complete();
+            subscriber.complete();
+        }, errorHandler));
+        innerFrom(windowBoundaries).subscribe(createOperatorSubscriber(subscriber, () => {
+            windowSubject.complete();
+            subscriber.next((windowSubject = new Subject()));
+        }, noop, errorHandler));
+        return () => {
+            windowSubject === null || windowSubject === void 0 ? void 0 : windowSubject.unsubscribe();
+            windowSubject = null;
+        };
+    });
+}
+//# sourceMappingURL=window.js.map