prefer-named-parameters

added in: 1.18.0

style

⚙️

Pro+

Suggests converting positional parameters to named parameters when a declaration has a certain number of positional parameters.

⚙️ Config

Set max-number (default is 1) to configure the number of allowed positional parameters.

dart_code_metrics:
  ...
  rules:
    ...
    - prefer-named-parameters:
        max-number: 3

Example

❌ Bad:

class Some {
  final String value;
  final String another;

  const Some(this.value, this.another); // LINT
}

✅ Good:

class Some {
  final String value;
  final String another;

  const Some(this.value, {required this.another});
}