Code Generation

Code Generation Skill

Instructions

1. Detect Project Framework:

   • Read .claude/project.json to identify framework and stack
   • Check package.json, requirements.txt, go.mod, Cargo.toml, etc.
   • Identify language version and dependencies

2. Select Appropriate Template:

   • Match detected framework to template library
   • Choose template based on code type (component, API, model, etc.)
   • Adapt template to project conventions

3. Generate Code:

   • Load template from templates/ directory
   • Replace placeholders with actual values
   • Apply project-specific conventions (naming, structure)
   • Include proper imports and dependencies
   • Add type annotations if using TypeScript/typed languages

4. Validate Generated Code:

   • Check syntax correctness
   • Verify imports are valid
   • Ensure follows project patterns
   • Add linting fixes if needed

Supported Frameworks

Frontend

• React (JS/TS) - JSX components, hooks, context
• Vue (2/3) - SFC templates, composition API
• Svelte - Svelte components, stores
• Angular - Components, services, modules
• Solid.js - JSX components, signals
• Qwik - Qwik components, resumability

Backend

• Node.js (Express, Fastify, Koa, NestJS)
• Python (Django, Flask, FastAPI, Pyramid)
• Go (Gin, Echo, Chi, Fiber)
• Rust (Actix, Rocket, Axum)
• Ruby (Rails, Sinatra)
• PHP (Laravel, Symfony)
• Java (Spring Boot)
• C# (.NET, ASP.NET Core)

Databases/ORMs

• Prisma, TypeORM, Sequelize (Node.js)
• SQLAlchemy, Django ORM, Tortoise (Python)
• GORM (Go)
• Diesel (Rust)
• ActiveRecord (Ruby)
• Eloquent (PHP)

Examples

Example 1: React Component Generation

Framework: React + TypeScript
Template: templates/react-ts-component.template
Output: Button.tsx with props, TypeScript types, and styles

Example 2: FastAPI Endpoint

Framework: Python + FastAPI
Template: templates/fastapi-endpoint.template
Output: router with Pydantic models and async handlers

Example 3: Go API Handler

Framework: Go + Gin
Template: templates/go-gin-handler.template
Output: handler function with request/response structs

Template Variables

All templates support these variables:

• {{NAME}} - Component/function/class name
• {{DESCRIPTION}} - Purpose description
• {{PROPS}} - Properties/parameters
• {{IMPORTS}} - Required imports
• {{TYPES}} - Type definitions
• {{METHODS}} - Methods/functions
• {{TESTS}} - Test cases

Best Practices

• Never hardcode frameworks - Always detect from project.json
• Match existing patterns - Analyze similar files in project
• Use project conventions - Follow naming, structure, imports
• Include types - Add TypeScript/type hints when applicable
• Generate tests - Include test file alongside implementation
• Add documentation - Include JSDoc/docstrings

Template Locations

• Frontend components: templates/frontend/
• Backend APIs: templates/backend/
• Database models: templates/database/
• Tests: templates/tests/
• Configuration: templates/config/

Purpose: Universal code generation for any framework Used by: feature-builder, frontend-generator, backend-generator agents