Disable dart-code-metrics for now

Even though I'm not using v4.2, the return-value rule is still being
applied with `flutter analyze` though not consistently.

For now, lets disable this, as there are 300+ warnings to fix.

analysis_options.yaml

@@ -17,8 +17,8 @@ analyzer:
     - "lib/generated_plugin_registrant.dart"
   enable-experiment:
     - nonfunction-type-aliases
-  plugins:
+  # plugins:
-  - dart_code_metrics
+  # - dart_code_metrics
 
 linter:
   rules:
@@ -149,4 +149,3 @@ dart_code_metrics:
     # - no-magic-number
     # - no-object-declaration
     # - prefer-conditional-expressions
-

lib/analytics/analytics.dart

@@ -49,7 +49,7 @@ class Analytics {
     var pseudoId = pref.getString("pseudoId");
     if (pseudoId == null) {
       pseudoId = const Uuid().v4();
-      pref.setString("pseudoId", pseudoId);
+      var _ = pref.setString("pseudoId", pseudoId);
     }
 
     var config = AnalyticsConfig("", pref);

lib/analytics/config.dart

@@ -26,6 +26,6 @@ class AnalyticsConfig extends ChangeNotifier with SettingsSharedPref {
     var def = AnalyticsConfig(id, pref);
 
     await setBool("collectUsageStatistics", enabled, def.enabled);
-    await pref.setString("appVersion", appVersion);
+    var _ = await pref.setString("appVersion", appVersion);
   }
 }

lib/analytics/network.dart

@@ -28,7 +28,7 @@ Future<Result<void>> sendAnalytics(pb.AnalyticsMessage msg) async {
       msg,
       options: CallOptions(timeout: _timeout),
     );
-    await call;
+    var _ = await call;
   } on Exception catch (e, st) {
     await channel.shutdown();
     return Result.fail(e, st);

lib/analytics/storage.dart

@@ -46,7 +46,10 @@ class AnalyticsStorage {
     builder.add(intData.buffer.asUint8List());
     builder.add(eventData);
 
-    await File(filePath).writeAsBytes(builder.toBytes(), mode: FileMode.append);
+    var _ = await File(filePath).writeAsBytes(
+      builder.toBytes(),
+      mode: FileMode.append,
+    );
     numEventsThisSession++;
   }
 

lib/core/worker_queue.dart

@@ -70,7 +70,7 @@ void _isolateMain(SendPort toMainSender) {
   ReceivePort fromMainRec = ReceivePort();
   toMainSender.send(fromMainRec.sendPort);
 
-  fromMainRec.listen((data) async {
+  var _ = fromMainRec.listen((data) async {
     assert(data is _LoadingMessage);
     var msg = data as _LoadingMessage;
 

lib/editors/bottom_bar.dart

@@ -47,7 +47,7 @@ class EditorBottomBar extends StatelessWidget {
     var addIcon = IconButton(
       icon: const Icon(Icons.attach_file),
       onPressed: () {
-        showModalBottomSheet(
+        var _ = showModalBottomSheet(
           context: context,
           builder: (c) => AddBottomSheet(editor, editorState),
           elevation: 0,
@@ -58,7 +58,7 @@ class EditorBottomBar extends StatelessWidget {
     var menuIcon = IconButton(
       icon: const Icon(Icons.more_vert),
       onPressed: () {
-        showModalBottomSheet(
+        var _ = showModalBottomSheet(
           context: context,
           builder: (c) => BottomMenuSheet(
             editor: editor,

lib/error_reporting.dart

@@ -145,7 +145,8 @@ Future<void> captureSentryException(
       level: level,
     );
 
-    await Sentry.captureEvent(event, stackTrace: Trace.from(stackTrace).terse);
+    var _ = await Sentry.captureEvent(event,
+        stackTrace: Trace.from(stackTrace).terse);
     return;
   } catch (e) {
     print("Failed to report with Sentry: $e");

lib/folder_views/common.dart

@@ -123,6 +123,7 @@ bool openNewNoteEditor(BuildContext context, String term) {
     ),
     settings: const RouteSettings(name: '/newNote/'),
   );
-  Navigator.of(context).push(route);
+
+  var _ = Navigator.of(context).push(route);
   return true;
 }

lib/folder_views/folder_view.dart

@@ -239,7 +239,7 @@ class _FolderViewState extends State<FolderView> {
       ),
       settings: RouteSettings(name: '/newNote/$routeType'),
     );
-    await Navigator.of(context).push(route);
+    var _ = await Navigator.of(context).push(route);
     ScaffoldMessenger.of(context).removeCurrentSnackBar();
   }
 

lib/iap/purchase_manager.dart

@@ -86,7 +86,7 @@ class PurchaseManager {
       Log.i("Pending Complete Purchase - ${purchaseDetails.productID}");
 
       try {
-        await InAppPurchaseConnection.instance
+        var _ = await InAppPurchaseConnection.instance
             .completePurchase(purchaseDetails);
       } catch (e, stackTrace) {
         logException(e, stackTrace);