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prefer-correct-type-name

added in: 1.6.0
style
⚙️
Pro+

Warns when a type name contains unexpected characters, does not start with an uppercase character, or is too short or too long.

⚙️ Config​

Set min-length (default is 3) to configure the minimum type name length.

Set max-length (default is 40) to configure the maximum type name length.

Set excluded (default is none) to ignore specific type names.

analysis_options.yaml
dart_code_metrics:
  rules:
    - prefer-correct-type-name:
        excluded: [ 'exampleExclude' ]
        min-length: 3
        max-length: 40

Example​

❌ Bad:

// LINT: This name should only contain alphanumeric characters, begin with an uppercase character and be between 3 and 40 characters long.
class example {
  // ...
}

// LINT: This name should only contain alphanumeric characters, begin with an uppercase character and be between 3 and 40 characters long.
class ex {
  // ...
}

// LINT: This name should only contain alphanumeric characters, begin with an uppercase character and be between 3 and 40 characters long.
class multiplatformConfigurationPointWithExtras {
  // ...
}

✅ Good:

class Example {
  // ...
}

class _Example {
  // ...
}