run linter

Author: jbalidiong

packages/app-compat/src/index.ts

@@ -16,7 +16,7 @@
  */
 
 import { FirebaseNamespace } from './public-types';
-import { isBrowser, getGlobal } from '@firebase/util';
+import { getGlobal } from '@firebase/util';
 import { firebase as firebaseNamespace } from './firebaseNamespace';
 import { logger } from './logger';
 import { registerCoreComponents } from './registerCoreComponents';
@@ -39,14 +39,14 @@ try {
 
     // eslint-disable-next-line
     const sdkVersion = ((globals as any).firebase as FirebaseNamespace).SDK_VERSION;
-      if (sdkVersion && sdkVersion.indexOf('LITE') >= 0) {
-        logger.warn(`
+    if (sdkVersion && sdkVersion.indexOf('LITE') >= 0) {
+      logger.warn(`
         Warning: You are trying to load Firebase while using Firebase Performance standalone script.
         You should load Firebase Performance with this instance of Firebase to avoid loading duplicate code.
         `);
-      }
+    }
   }
-} catch{
+} catch {
   // ignore errors thrown by getGlobal
 }