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extend-equatable

added in: 1.2.0
warning
⚙️

Warns when a class that matches the config does not extend Equatable.

Use class-name-pattern configuration, to filter class names that need to extend Equatable.

Use file-name-pattern configuration, to filter file names with classes that need to extend Equatable.

⚙️ Config example​

dart_code_metrics:
  ...
  rules:
    ...
    - extend-equatable:
        class-name-pattern: State$
        file-name-pattern: '*.model.dart'

Example​

❌ Bad:

// LINT
class SomePerson {
  const SomePerson(this.name);

  final String name;
}

✅ Good:

class SomePerson extends Equatable {
  const SomePerson(this.name);

  final String name;

  @override
  List<Object> get props => [name];
}