fix(nbstore): connect before do operation (#11569)

packages/common/nbstore/src/utils/from-promise.ts

@@ -0,0 +1,30 @@
+import { Observable } from 'rxjs';
+
+import { MANUALLY_STOP } from './throw-if-aborted';
+
+/**
+ * Convert a promise to an observable.
+ *
+ * like `from` but support `AbortSignal`.
+ */
+export function fromPromise<T>(
+  promise: Promise<T> | ((signal: AbortSignal) => Promise<T>)
+): Observable<T> {
+  return new Observable(subscriber => {
+    const abortController = new AbortController();
+
+    const rawPromise =
+      promise instanceof Function ? promise(abortController.signal) : promise;
+
+    rawPromise
+      .then(value => {
+        subscriber.next(value);
+        subscriber.complete();
+      })
+      .catch(error => {
+        subscriber.error(error);
+      });
+
+    return () => abortController.abort(MANUALLY_STOP);
+  });
+}