style: enable no-non-null-assertion rule (#2723)

Co-authored-by: Peng Xiao <pengxiao@outlook.com>

apps/electron/layers/main/src/db/base-db-adapter.ts

@@ -10,9 +10,7 @@ export abstract class BaseSQLiteAdapter {
   db: SqliteConnection | null = null;
   abstract role: string;
 
-  constructor(public readonly path: string) {
-    logger.info(`[SQLiteAdapter]`, 'path:', path);
-  }
+  constructor(public readonly path: string) {}
 
   async connectIfNeeded() {
     if (!this.db) {

apps/electron/layers/main/src/db/ensure-db.ts

@@ -100,6 +100,7 @@ function getWorkspaceDB$(id: string) {
       )
     );
   }
+  // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
   return db$Map.get(id)!;
 }
 

apps/electron/layers/main/src/db/secondary-db.ts

@@ -107,7 +107,6 @@ export class SecondaryWorkspaceSQLiteDB extends BaseSQLiteAdapter {
       return;
     }
     this.firstConnected = true;
-    const { db } = this;
 
     const onUpstreamUpdate = (update: Uint8Array, origin: YOrigin) => {
       if (origin === 'renderer') {
@@ -118,8 +117,8 @@ export class SecondaryWorkspaceSQLiteDB extends BaseSQLiteAdapter {
 
     const onSelfUpdate = (update: Uint8Array, origin: YOrigin) => {
       // for self update from upstream, we need to push it to external DB
-      if (origin === 'upstream') {
-        this.addUpdateToUpdateQueue(db!, update);
+      if (origin === 'upstream' && this.db) {
+        this.addUpdateToUpdateQueue(this.db, update);
       }
 
       if (origin === 'self') {

apps/electron/layers/main/src/updater/electron-updater.ts

@@ -67,7 +67,7 @@ export const registerUpdater = async () => {
   // register events for checkForUpdatesAndNotify
   _autoUpdater.on('update-available', info => {
     if (allowAutoUpdate) {
-      _autoUpdater!.downloadUpdate();
+      _autoUpdater?.downloadUpdate();
       logger.info('Update available, downloading...', info);
     }
     updaterSubjects.updateAvailable.next({