Minor comment and await on initialized in OPSQlite refreshSchema.

Author: Chriztiaan

packages/common/src/db/DBAdapter.ts

@@ -101,6 +101,9 @@ export interface DBAdapter extends BaseObserverInterface<DBAdapterListener>, DBG
   readTransaction: <T>(fn: (tx: Transaction) => Promise<T>, options?: DBLockOptions) => Promise<T>;
   writeLock: <T>(fn: (tx: LockContext) => Promise<T>, options?: DBLockOptions) => Promise<T>;
   writeTransaction: <T>(fn: (tx: Transaction) => Promise<T>, options?: DBLockOptions) => Promise<T>;
+  /**
+   * This method refreshes the schema information across all connections. This is for advanced use cases, and should generally not be needed.
+   */ 
   refreshSchema: () => Promise<void>;
 }
 

packages/powersync-op-sqlite/src/db/OPSqliteAdapter.ts

@@ -273,7 +273,8 @@ export class OPSQLiteDBAdapter extends BaseObserver<DBAdapterListener> implement
   }
 
   async refreshSchema(): Promise<void> {
-    await this.writeConnection?.refreshSchema();
+    await this.initialized;
+    await this.writeConnection!.refreshSchema();
 
     for (let readConnection of this.readConnections) {
       await readConnection.connection.refreshSchema();