37signals Style Guide

Patterns derived from analysis of 37signals' Fizzy codebase. Representative, not authoritative — these reflect observed conventions, not an official 37signals document.

Topic Map

Core Rails Patterns

• references/controllers.md — Thin controllers, concerns, authentication, authorization
• references/models.md — Fat models, scopes, query objects, concerns
• references/views.md — Presenters, partials, view helpers, template conventions
• references/routing.md — RESTful design, nested resources, custom routes
• references/database.md — Schema design, indexes, migrations, query optimization

Frontend & Hotwire

• references/hotwire.md — Turbo Drive, Turbo Frames, Turbo Streams patterns
• references/stimulus.md — Stimulus controller conventions, value API, targets
• references/css.md — CSS organization, naming conventions, component patterns
• references/action-text.md — Rich text integration patterns
• references/actioncable.md — WebSocket channel patterns