Update default analysis options to include codemetrics

project/analysis_options.yaml

@@ -1,14 +1,69 @@
+# TODO: Add flutter_lints to your pubspec.yaml file
 include: package:flutter_lints/flutter.yaml
 
 analyzer:
+  plugins:
+    - dart_code_metrics
+
   strong-mode:
     implicit-casts: false
     implicit-dynamic: false
   exclude:
-    - "lib/**/*.freezed.dart"
+    - "bin/cache/**"
+    - "lib/util/localization/initialize_i18n/**"
+    - "lib/assets.dart"
     - "lib/**/*.g.dart"
-    - "lib/**/*.gen.dart"
+    - "lib/**/*.freezed.dart"
+    - "test/**"
+
+# TODO: Add dart_code_metrics to your pubspec.yaml file
+dart_code_metrics:
+  anti-patterns:
+    - long-method
+    - long-parameter-list
+  metrics:
+    cyclomatic-complexity: 20
+    maximum-nesting-level: 5
+    number-of-methods: 10
+    technical-debt:
+      threshold: 0
+      todo-cost: 6
+      ignore-cost: 6
+      ignore-for-file-cost: 16
+      as-dynamic-cost: 6
+      deprecated-annotations-cost: 16
+      file-nullsafety-migration-cost: 8
+      unit-type: "Hours"
 
-linter:
   rules:
-    - prefer_single_quotes
+    - avoid-collection-methods-with-unrelated-types
+    - avoid-global-state
+    - avoid-nested-conditional-expressions
+    - avoid-unnecessary-type-assertions
+    - avoid-unnecessary-type-casts
+    - avoid-unused-parameters
+    - ban-name:
+        severity: warning
+        entries:
+          # If using loggy then don't use print
+          - ident: print
+            description: Use Loggy for printing statements to the console in this project
+          # Common look oversights
+          - ident: Theme.of
+            description: Use Look for styling in this project
+          - ident: TextStyle
+            description: Use Look for styling in this project
+          - ident: Colors
+            description: Use Look for styling in this project
+    - no-boolean-literal-compare
+    - no-empty-block
+    - no-equal-then-else
+    - prefer-immediate-return
+    - prefer-match-file-name:
+        severity: style
+    # Flutter
+    - always-remove-listener
+    - avoid-returning-widgets
+    - prefer-extracting-callbacks
+    - prefer-single-widget-per-file:
+        ignore-private-widgets: true