rails-design-system
Community Ruby on Rails Design System Best Practices
Comprehensive design system guide for Ruby on Rails applications, maintained by Community. Contains 51 rules across 9 categories, prioritized by impact to guide automated refactoring and code generation. Covers the full Rails frontend stack: Turbo (Drive, Frames, Streams), Stimulus, ERB partials, design tokens, form builders, and view helpers. Complements rails-dev (controllers, models, queries) and tailwind (CSS patterns) by covering the systematic UI component architecture layer.
When to Apply
Reference these guidelines when:
- Deciding whether to extract a partial, component, or helper
- Defining design tokens with Tailwind CSS
@theme - Creating or refactoring ERB partials with explicit locals
- Decomposing pages into Turbo Frames for targeted updates
- Using Turbo Streams for multi-element CRUD updates
- Coordinating Turbo navigation with Stimulus controllers
- Building ViewComponent or Phlex components for complex UI
- Implementing a custom FormBuilder for consistent forms
- Writing view helpers for badges, icons, and conditional classes
- Adding Stimulus controllers for interactive behaviors
- Managing JavaScript dependencies with Import Maps
- Auditing the codebase for UI duplication and naming drift
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