design-patterns-ruby
<quick_start> <pattern_selection> Object Creation Problems → Creational Patterns
- Decouple creation from usage → Factory Method
- Families of related objects → Abstract Factory
- Complex objects with many params → Builder
- Clone without concrete class dependency → Prototype
- Single shared instance → Singleton
Structural Problems → Structural Patterns
- Incompatible interfaces → Adapter
- Multiple independent dimensions → Bridge
- Tree structures treated uniformly → Composite
More from el-feo/ai-context
tailscale
Comprehensive Tailscale VPN setup, configuration, and management for mesh networking, secure access, and zero-trust infrastructure. Covers installation, CLI commands, subnet routers, exit nodes, Tailscale SSH, ACL/grants configuration, MagicDNS, Tailscale Serve/Funnel, API automation, and production deployment best practices. Use when setting up Tailscale, configuring tailnet access controls, deploying subnet routers or exit nodes, enabling Tailscale SSH, exposing services with Serve/Funnel, automating via the Tailscale API, troubleshooting connectivity, or planning production Tailscale deployments.
197cucumber-gherkin
BDD testing with Cucumber and Gherkin for Ruby and Rails applications. Use when writing feature files (.feature), step definitions, hooks, or implementing Behaviour-Driven Development in Ruby/Rails projects. Covers Gherkin keywords (Feature, Scenario, Given/When/Then, Background, Scenario Outline, Rule), Ruby step definition patterns, Cucumber Expressions, hooks (Before/After/BeforeAll/AfterAll), tags, data tables, doc strings, World modules, and Capybara integration. Triggers on cucumber, gherkin, BDD, feature files, step definitions, acceptance testing, executable specifications.
137eslint
Comprehensive ESLint agent for JavaScript/TypeScript code quality. Use when setting up ESLint, configuring linting rules, analyzing code for issues, fixing violations, or integrating ESLint into development workflows. Triggers on requests involving code quality, linting, static analysis, or ESLint configuration for JavaScript, TypeScript, React, or Node.js projects.
35brakeman
Static analysis security vulnerability scanner for Ruby on Rails applications. Use when analyzing Rails code for security issues, running security audits, reviewing code for vulnerabilities, setting up security scanning in CI/CD, managing security warnings, or investigating specific vulnerability types (SQL injection, XSS, command injection, etc.). Also use when configuring Brakeman, reducing false positives, or integrating with automated workflows.
34rspec
Comprehensive RSpec testing for Ruby and Rails applications. Covers model specs, request specs, system specs, factories, mocks, and TDD workflow. Automatically triggers on RSpec-related keywords and testing scenarios.
32rubocop
>-
30