Signals are very handy in web workers !

src/db-admin/health-legacy.ts

@@ -2,7 +2,7 @@ import { createEffect, createRoot, createSignal, Signal } from 'solid-js';
 import PouchDB from 'pouchdb';
 import indexeddb from 'pouchdb-adapter-indexeddb';
 
-import { sleep } from '../lib/async-wait';
+import { sleep, until } from '../lib/async-wait';
 import { openDatabases } from './open';
 import { toHex } from '../lib/to-hex';
 import { isEqual } from 'lodash';
@@ -17,11 +17,11 @@ declare global {
   var sync: any;
 }
 
-const [state, setState] = createSignal({});
+const [state, setState] = createSignal<any>({});
 export { state };
 
 export const watchDbLegacy = async () => {
-  createRoot((dispose) => {
+  createRoot(async (dispose) => {
     console.log({ caller: 'watchDbLegacy' });
 
     db = globalThis.db;
@@ -61,14 +61,15 @@ export const watchDbLegacy = async () => {
     });
 
     createEffect(() => {
-      const newState = { ...state(), sync: syncState() };
+      const newState = {
+        ...state(),
+        dbName: status()?.dbInfo?.db_name,
+        localUpdateSeq: status()?.dbInfo?.update_seq,
+        remoteUrl: status()?.remoteDbInfo?.host,
+        sync: syncState(),
+      };
       if (!isEqual(newState, state())) {
-        setState({
-          ...state(),
-          localUpdateSeq: status()?.dbInfo?.update_seq,
-          remoteUrl: status()?.remoteDbInfo?.host,
-          sync: syncState(),
-        });
+        setState(newState);
       }
     });
 
@@ -157,6 +158,14 @@ export const watchDbLegacy = async () => {
         };
       });
 
+    await until(
+      () =>
+        state()?.sync?.paused &&
+        state()?.sync?.lastSeq >= state()?.localUpdateSeq,
+      1000
+    );
+
+    console.log({ caller: 'watchDbLegacy / ready to purge after sync ' });
     // const iDb = (await openIDb('_pouch__dyomedea_')) as IDBDatabase;
 
     // const bySequence = iDb.transaction('docs', 'readonly');