passsy / avoid-later5

Avoid the late Keyword

Public

Avoid the late keyword, because it turns a compile time check into a runtime LateInitializationError; initialize in the constructor or use a nullable type.

tests, run by the registry20 passed · slowest 13.4 ms

✓fires

fires on a late field the agent writes detector.test.ts

write lib/session.dartfired: line 3

class Session {
  Session();
  late User user;
  int retries = 3;
}

7.0 ms

✓quiet

stays quiet on a late field that was already there when the agent edits another line detector.test.ts

write lib/session.dart · wrote line 4stayed quiet

class Session {
  Session();
  late User user;
  int retries = 3;
}

6.8 ms

✓skips

stays quiet when the agent only reads the file detector.test.ts

read lib/session.dartno handler of the detector wants this event

class Session {
  Session();
  late User user;
  int retries = 3;
}

0.0 ms

✓quiet

stays quiet on late in a comment or another word detector.test.ts

write lib/messages.dartstayed quiet

// We used to have a late field here.
final isolate = spawnIsolate();

7.9 ms

✓skips

stays quiet in generated code detector.test.ts

write lib/session.g.dartno handler of the detector wants this event

class _$Session {
  late User user;
}

0.0 ms

✓quiet

exceptions from the principle > allows local allowed detector.test.ts

write lib/example.dartstayed quiet

void showToast(List<ToastItem> items) {
  late final ToastItem item;
  item = ToastItem(
    onDismissed: () => items.remove(item),
  );
  items.add(item);
}

7.1 ms

✓quiet

exceptions from the principle > allows state allowed detector.test.ts

write lib/example.dartstayed quiet

class AvoidLateStateAllowed extends State<Panel>
    with SingleTickerProviderStateMixin {
  late final AnimationController _controller = AnimationController(
    vsync: this,
  );
}

6.3 ms

✓quiet

exceptions from the principle > allows beacon controller allowed detector.test.ts

write lib/example.dartstayed quiet

class AvoidLateBeaconControllerAllowed with BeaconController {
  late final WritableBeacon<Map<String, List<String>>> actionBarOrders =
      B.writable(const {});
}

6.3 ms

✓quiet

exceptions from the principle > allows beacon controller mixin allowed detector.test.ts

write lib/example.dartstayed quiet

class AvoidLateBeaconControllerMixinAllowed extends State<Panel>
    with BeaconControllerMixin<Panel> {
  late final WritableBeacon<int> count = B.writable(0);
}

6.5 ms

✓quiet

exceptions from the principle > allows lazy State field that needs this detector.test.ts

write lib/example.dartstayed quiet

class _PulseState extends State<Pulse> with SingleTickerProviderStateMixin {
  late final controller = AnimationController(vsync: this);
}

6.8 ms

✓quiet

exceptions from the principle > allows State field assigned in initState detector.test.ts

write lib/example.dartstayed quiet

class _PanelState extends State<Panel> {
  late final SomeController _controller;

  @override
  void initState() {
    super.initState();
    _controller = SomeController();
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }
}

7.5 ms

✓fires

exceptions from the principle > keeps local without capture in scope detector.test.ts