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DCM Presets

DCM is an advanced linter for Dart and Flutter that helps you analyze and improve your code quality. You can find all available lint rules here.

This repository contains a list of predefined presets for DCM:

  • All: contains all available lint rules for Dart and Flutter.
  • Recommended: contains recommended Dart and Flutter rules (with an emphasis on finding errors).
  • Dart: contains all lint rules applicable to any Dart app.
  • Flutter: contains all lint rules applicable to any Flutter app.
  • Flame: contains all lint rules for the Flame package.
  • Provider: contains all lint rules for the Provider package.
  • Bloc: contains all lint rules for the Bloc package.
  • Equatable: contains all lint rules for the Equatable package.
  • Patrol: contains all lint rules for the Patrol package.
  • FakeAsync: contains all lint rules for the FakeAsync package.
  • GetIt: contains all lint rules for the GetIt package.
  • FlutterHooks: contains all lint rules for the FlutterHooks package.
  • Intl: contains all lint rules for the Intl package.
  • Pub: contains all lint rules for linting the pubspec.yaml files.
  • Recommended metrics: contains recommended configured metrics.

How to use a preset

Take these steps to enable a preset:

  1. Install this package as a dev dependency:

    dart pub add --dev dart_code_metrics_presets

    or:

    flutter pub add --dev dart_code_metrics_presets

  2. For DCM configuration add the extents entry:

    dart_code_metrics:
  extends:
    - package:dart_code_metrics_presets/all.yaml

Disabling or reconfiguring a rule from the preset

To disable a rule, simply set its value to false:

dart_code_metrics:
  extends:
    - package:dart_code_metrics_presets/all.yaml
  rules:
    - avoid-banned-imports: false

To reconfigure a rule, that is included into a preset:

dart_code_metrics:
  extends:
    - package:dart_code_metrics_presets/all.yaml
  rules:
    - arguments-ordering:
        child-last: true

Defining a custom preset

Any other preset can be passed to the extends entry. To create a custom preset create a yaml file with the same structure as for regular DCM configuration.

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