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signals-lint

Name: Signals Lint
Author: rodydavis

// Standardized compiler diagnostics, static analysis lints, and automated IDE quick-fixes.

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stars:779

forks:82

updated:May 26, 2026 at 05:08

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SKILL.md

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name	signals-lint
description	Standardized compiler diagnostics, static analysis lints, and automated IDE quick-fixes.

signals_lint Tooling & Rules

This skill covers working with static code analysis, custom compiler warning diagnostics, and automated quick-fixes in the signals.dart ecosystem.

🚀 Activation & Setup

Ensure the plugin is active in your project to enable real-time IDE diagnostics and fixes:

# pubspec.yaml
dev_dependencies:
  custom_lint: ^0.8.1
  signals_lint: ^7.0.0

# analysis_options.yaml
analyzer:
  plugins:
    - custom_lint

🛡️ Lint Rules Reference

1. `signals_avoid_create_in_build_method`

Flags instances where a signal or computed variable is created inside a Flutter build method.

Problem: Creating state during build causes state to reset on every rebuild.
Solution: Move the creation to the class fields or initialize inside a state lifecycle hook.

2. `signals_avoid_deprecated_watch_extension`

Flags uses of deprecated BuildContext.watch() and BuildContext.unwatch() extensions.

Problem: Watch extensions can cause broad stateful widget lifecycle overhead.
Solution: Use localized SignalBuilder or inherit from SignalWidget/SignalStatefulWidget.

3. `signals_avoid_deprecated_signals_mixin`

Flags usage of deprecated with SignalsMixin mixins on StatefulWidget states.

Problem: Inherits stateful widget tracking hooks unnecessarily.
Solution: Inherit from SignalStatefulWidget instead.

4. `signals_prefer_named_builder`

Enforces named builder: callbacks in SignalBuilder and Watch elements instead of positional arguments.

Reason: Guarantees standard API parameters and readability.

5. `signals_prefer_unified_options`

Flags direct creator configuration arguments (e.g. autoDispose: true).

Solution: Bundle configuration properties under unified options classes (e.g., options: SignalOptions(autoDispose: true)).

💡 Automated IDE Code Assists (Quick-fixes)

Place your cursor on the relevant class name or widget instantiation inside your IDE to reveal these automatic assists via the quick-fix menu (Cmd+. or Alt+Enter):

WrapWithSignalBuilder: Wraps any widget expression inside SignalBuilder(builder: (context) => ...).
ConvertStatelessToSignalWidget: Refactors a standard StatelessWidget into a SignalWidget instantly.
ConvertStatefulToSignalStatefulWidget: Refactors a standard StatefulWidget to a SignalStatefulWidget.
MigrateSignalsMixinToSignalStatefulWidget: Strips the legacy SignalsMixin and converts the class structure to SignalStatefulWidget.
MigrateWatchToSignalBuilder: Converts legacy Watch(...) instances into clean SignalBuilder widgets.

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signals-migration-6-to-7.md

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package.json

"author": "rodydavis"

"repository": "rodydavis/signals.dart"

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Software DevelopersComputer and Mathematical Occupations15-1252L4

name	signals-lint
description	Standardized compiler diagnostics, static analysis lints, and automated IDE quick-fixes.

signals_lint Tooling & Rules

This skill covers working with static code analysis, custom compiler warning diagnostics, and automated quick-fixes in the signals.dart ecosystem.

🚀 Activation & Setup

Ensure the plugin is active in your project to enable real-time IDE diagnostics and fixes:

# pubspec.yaml
dev_dependencies:
  custom_lint: ^0.8.1
  signals_lint: ^7.0.0

# analysis_options.yaml
analyzer:
  plugins:
    - custom_lint

🛡️ Lint Rules Reference

1. `signals_avoid_create_in_build_method`

Flags instances where a signal or computed variable is created inside a Flutter build method.

Problem: Creating state during build causes state to reset on every rebuild.
Solution: Move the creation to the class fields or initialize inside a state lifecycle hook.

2. `signals_avoid_deprecated_watch_extension`

Flags uses of deprecated BuildContext.watch() and BuildContext.unwatch() extensions.

Problem: Watch extensions can cause broad stateful widget lifecycle overhead.
Solution: Use localized SignalBuilder or inherit from SignalWidget/SignalStatefulWidget.

3. `signals_avoid_deprecated_signals_mixin`

Flags usage of deprecated with SignalsMixin mixins on StatefulWidget states.

Problem: Inherits stateful widget tracking hooks unnecessarily.
Solution: Inherit from SignalStatefulWidget instead.

4. `signals_prefer_named_builder`

Enforces named builder: callbacks in SignalBuilder and Watch elements instead of positional arguments.

Reason: Guarantees standard API parameters and readability.

5. `signals_prefer_unified_options`

Flags direct creator configuration arguments (e.g. autoDispose: true).

Solution: Bundle configuration properties under unified options classes (e.g., options: SignalOptions(autoDispose: true)).

💡 Automated IDE Code Assists (Quick-fixes)

Place your cursor on the relevant class name or widget instantiation inside your IDE to reveal these automatic assists via the quick-fix menu (Cmd+. or Alt+Enter):

WrapWithSignalBuilder: Wraps any widget expression inside SignalBuilder(builder: (context) => ...).
ConvertStatelessToSignalWidget: Refactors a standard StatelessWidget into a SignalWidget instantly.
ConvertStatefulToSignalStatefulWidget: Refactors a standard StatefulWidget to a SignalStatefulWidget.
MigrateSignalsMixinToSignalStatefulWidget: Strips the legacy SignalsMixin and converts the class structure to SignalStatefulWidget.
MigrateWatchToSignalBuilder: Converts legacy Watch(...) instances into clean SignalBuilder widgets.

signals-lint

signals_lint Tooling & Rules

🚀 Activation & Setup

🛡️ Lint Rules Reference

1. signals_avoid_create_in_build_method

2. signals_avoid_deprecated_watch_extension

3. signals_avoid_deprecated_signals_mixin

4. signals_prefer_named_builder

5. signals_prefer_unified_options

💡 Automated IDE Code Assists (Quick-fixes)

More from this repository

More from this repository

signals_lint Tooling & Rules

🚀 Activation & Setup

🛡️ Lint Rules Reference

1. signals_avoid_create_in_build_method

2. signals_avoid_deprecated_watch_extension

3. signals_avoid_deprecated_signals_mixin

4. signals_prefer_named_builder

5. signals_prefer_unified_options

💡 Automated IDE Code Assists (Quick-fixes)

1. `signals_avoid_create_in_build_method`

2. `signals_avoid_deprecated_watch_extension`

3. `signals_avoid_deprecated_signals_mixin`

4. `signals_prefer_named_builder`

5. `signals_prefer_unified_options`

1. `signals_avoid_create_in_build_method`

2. `signals_avoid_deprecated_watch_extension`

3. `signals_avoid_deprecated_signals_mixin`

4. `signals_prefer_named_builder`

5. `signals_prefer_unified_options`