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---
name: nextjs-fullstack-scaffold
description: This skill should be used when the user requests to scaffold, create, or initialize a full-stack Next.js application with a modern tech stack including Next.js 16, React 19, TypeScript, Tailwind CSS v4, shadcn/ui, Supabase auth, Prisma ORM, and comprehensive testing setup. Use it for creating production-ready starter templates with authentication, protected routes, forms, and example features. Trigger terms scaffold, create nextjs app, initialize fullstack, starter template, boilerplate, setup nextjs, production template, full-stack setup, nextjs supabase, nextjs prisma.
---
# Next.js Full-Stack Scaffold
To scaffold a production-grade Next.js 16 full-stack application with modern tooling and best practices, follow these steps systematically.
## Prerequisites Check
Before scaffolding, verify the target directory:
1. Confirm the current working directory is where files should be generated
2. Check if directory is empty or if user wants to override existing files
3. Confirm user wants to proceed with scaffold generation
## Step 1: Gather Project Information
Prompt the user for the following details using the AskUserQuestion tool:
- Project name (for package.json)
- Project description
- Author name
Use sensible defaults if user prefers to skip.
## Step 2: Create Folder Structure
Create the complete folder structure as defined in `assets/folder-structure.txt`. Generate all necessary directories by writing files to them (directories are created automatically).
## Step 3: Generate Configuration Files
Create all configuration files in the project root. Consult `references/stack-architecture.md` for architectural guidance.
### Essential Config Files
Generate these files using Write tool:
- **package.json** - Use template from `assets/templates/package.template.json`, replacing placeholders
- **tsconfig.json** - TypeScript config with strict mode and path aliases
- **next.config.ts** - Next.js configuration with server actions
- **tailwind.config.ts** - Tailwind v4 with dark mode and shadcn/ui colors
- **postcss.config.mjs** - PostCSS with Tailwind plugin
- **eslint.config.mjs** - ESLint v9 flat config
- **prettier.config.js** - Prettier with Tailwind plugin
- **.gitignore** - Standard Next.js ignore patterns
- **.env.example** - Environment variable template
- **vitest.config.ts** - Vitest test configuration
- **playwright.config.ts** - Playwright E2E configuration
## Step 4: Generate App Router Files
Create all Next.js app router files following RSC conventions.
### Root Files
- `app/layout.tsx` - Root layout with metadata and providers
- `app/page.tsx` - Landing page
- `app/globals.css` - Tailwind directives and CSS variables
### Authentication Routes
- `app/(auth)/layout.tsx` - Auth layout (centered)
- `app/(auth)/login/page.tsx` - Login page with form
### Protected Routes
- `app/(protected)/layout.tsx` - Protected layout with auth check
- `app/(protected)/dashboard/page.tsx` - Dashboard with stats
- `app/(protected)/profile/page.tsx` - User profile page
- `app/(protected)/data/page.tsx` - Data table page
### API Routes
- `app/api/data/route.ts` - Example API endpoint
### Middleware
- `middleware.ts` - Supabase auth middleware
## Step 5: Generate UI Components
Create shadcn/ui components in `components/ui/`:
- `button.tsx`, `card.tsx`, `input.tsx`, `label.tsx`, `form.tsx`, `table.tsx`, `dropdown-menu.tsx`, `avatar.tsx`
Create custom components:
- `components/providers.tsx` - App providers with Toaster
- `components/layout/header.tsx` - Header with navigation
- `components/layout/sidebar.tsx` - Sidebar navigation
- `components/layout/nav.tsx` - Navigation links
- `components/auth/login-form.tsx` - Login form with RHF + Zod
- `components/auth/auth-button.tsx` - Sign in/out button
- `components/dashboard/stats-card.tsx` - Stats display card
- `components/dashboard/data-table.tsx` - Interactive data table
All components must be TypeScript and accessible.
## Step 6: Generate Lib Files
Create utility and action files:
### Utilities
- `lib/utils.ts` - cn() function and utilities
- `lib/prisma.ts` - Prisma client singleton
### Supabase Clients
- `lib/supabase/client.ts` - Client-side Supabase client
- `lib/supabase/server.ts` - Server-side Supabase client
- `lib/supabase/middleware.ts` - Middleware helper
### Server Actions (all must start with `'use server'`)
- `lib/actions/auth.ts` - signIn(), signOut()
- `lib/actions/user.ts` - updateProfile()
- `lib/actions/data.ts` - CRUD operations
### Validation Schemas (Zod)
- `lib/validations/auth.ts` - Login/signup schemas
- `lib/validations/user.ts` - Profile update schema
- `lib/validations/data.ts` - Data CRUD schemas
## Step 7: Generate Prisma Schema
Create `prisma/schema.prisma`:
- PostgreSQL datasource with connection pooling
- User model (id, email, name, timestamps)
- Item model (example data model with relations)
- Proper indexes and constraints
Create `prisma/seed.ts`:
- TypeScript seed script
- Sample users and items
## Step 8: Generate Tests
Create test files:
- `tests/unit/utils.test.ts` - Unit test for utilities
- `tests/integration/auth.test.tsx` - Integration test for auth
- `tests/e2e/login.spec.ts` - E2E test for login flow
## Step 9: Generate CI Workflow
Create `.github/workflows/ci.yml`:
- Lint, type check, test, build jobs
- Run on push and PR
## Step 10: Generate README
Create comprehensive `README.md` with:
- Project overview and tech stack
- Prerequisites and installation steps
- Environment setup instructions
- Database setup (Prisma commands)
- Development and testing commands
- Deployment guide
- Folder structure explanation
## Step 11: Final Verification
After generating all files:
1. Confirm all files were created successfully
2. List the folder structure for user review
3. Provide next steps for installation and setup
## Implementation Notes
### TypeScript
- All files must use TypeScript
- Proper type annotations
- No `any` types unless necessary
### Server Components
- Use Server Components by default
- Only add `"use client"` when required for interactivity
### Accessibility
- Use shadcn/ui accessible components
- Include ARIA labels
- Ensure keyboard navigation
### Security
- Validate inputs with Zod
- Use Server Actions for mutations
- Never expose secrets to client
## Consulting References
Throughout scaffolding:
- Consult `references/stack-architecture.md` for patterns
- Consult `references/implementation-checklist.md` to track progress
## Completion
When finished:
1. Summarize what was created
2. List all major files and directories
3. Provide next steps
4. Offer to answer questions

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project-root/
├── app/
│ ├── (auth)/
│ │ ├── login/
│ │ │ └── page.tsx
│ │ └── layout.tsx
│ ├── (protected)/
│ │ ├── dashboard/
│ │ │ └── page.tsx
│ │ ├── profile/
│ │ │ └── page.tsx
│ │ ├── data/
│ │ │ └── page.tsx
│ │ └── layout.tsx
│ ├── api/
│ │ └── data/
│ │ └── route.ts
│ ├── globals.css
│ ├── layout.tsx
│ └── page.tsx
├── components/
│ ├── ui/ (shadcn/ui components)
│ │ ├── button.tsx
│ │ ├── card.tsx
│ │ ├── input.tsx
│ │ ├── label.tsx
│ │ ├── table.tsx
│ │ └── ...
│ ├── auth/
│ │ ├── login-form.tsx
│ │ └── auth-button.tsx
│ ├── dashboard/
│ │ ├── stats-card.tsx
│ │ └── data-table.tsx
│ ├── layout/
│ │ ├── header.tsx
│ │ ├── sidebar.tsx
│ │ └── nav.tsx
│ └── providers.tsx
├── lib/
│ ├── actions/
│ │ ├── auth.ts
│ │ ├── data.ts
│ │ └── user.ts
│ ├── validations/
│ │ ├── auth.ts
│ │ ├── user.ts
│ │ └── data.ts
│ ├── supabase/
│ │ ├── client.ts
│ │ ├── server.ts
│ │ └── middleware.ts
│ ├── prisma.ts
│ └── utils.ts
├── prisma/
│ ├── schema.prisma
│ └── seed.ts
├── tests/
│ ├── unit/
│ │ └── utils.test.ts
│ ├── integration/
│ │ └── auth.test.tsx
│ └── e2e/
│ └── login.spec.ts
├── .github/
│ └── workflows/
│ └── ci.yml
├── public/
├── .env.example
├── .gitignore
├── eslint.config.mjs
├── next.config.ts
├── package.json
├── playwright.config.ts
├── postcss.config.mjs
├── prettier.config.js
├── README.md
├── tailwind.config.ts
├── tsconfig.json
└── vitest.config.ts

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{
"name": "{{PROJECT_NAME}}",
"version": "0.1.0",
"description": "{{PROJECT_DESCRIPTION}}",
"author": "{{AUTHOR}}",
"private": true,
"scripts": {
"dev": "next dev",
"build": "prisma generate && next build",
"start": "next start",
"lint": "next lint",
"format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\"",
"format:check": "prettier --check \"**/*.{ts,tsx,js,jsx,json,md}\"",
"test": "vitest",
"test:e2e": "playwright test",
"test:e2e:ui": "playwright test --ui",
"db:generate": "prisma generate",
"db:push": "prisma db push",
"db:migrate": "prisma migrate dev",
"db:seed": "tsx prisma/seed.ts",
"prepare": "husky"
},
"dependencies": {
"next": "^16.0.0",
"react": "^19.0.0",
"react-dom": "^19.0.0",
"@supabase/ssr": "^0.5.2",
"@supabase/supabase-js": "^2.45.0",
"@prisma/client": "^6.0.0",
"react-hook-form": "^7.53.0",
"@hookform/resolvers": "^3.9.0",
"zod": "^3.23.0",
"sonner": "^1.5.0",
"class-variance-authority": "^0.7.0",
"clsx": "^2.1.1",
"tailwind-merge": "^2.5.0",
"lucide-react": "^0.447.0",
"@radix-ui/react-slot": "^1.1.0",
"@radix-ui/react-label": "^2.1.0",
"@radix-ui/react-dropdown-menu": "^2.1.0",
"@radix-ui/react-avatar": "^1.1.0",
"@radix-ui/react-select": "^2.1.0",
"@radix-ui/react-dialog": "^1.1.0"
},
"devDependencies": {
"typescript": "^5.6.0",
"@types/node": "^22.0.0",
"@types/react": "^19.0.0",
"@types/react-dom": "^19.0.0",
"tailwindcss": "^4.0.0",
"postcss": "^8.4.0",
"@tailwindcss/typography": "^0.5.15",
"eslint": "^9.0.0",
"eslint-config-next": "^16.0.0",
"@eslint/eslintrc": "^3.2.0",
"prettier": "^3.3.0",
"prettier-plugin-tailwindcss": "^0.6.0",
"husky": "^9.1.0",
"lint-staged": "^15.2.0",
"prisma": "^6.0.0",
"tsx": "^4.19.0",
"vitest": "^2.1.0",
"@vitejs/plugin-react": "^4.3.0",
"@testing-library/react": "^16.0.0",
"@testing-library/jest-dom": "^6.5.0",
"@testing-library/user-event": "^14.5.0",
"@playwright/test": "^1.48.0",
"jsdom": "^25.0.0"
},
"lint-staged": {
"*.{ts,tsx,js,jsx}": [
"eslint --fix",
"prettier --write"
],
"*.{json,md}": [
"prettier --write"
]
}
}

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# Implementation Checklist
Complete checklist for scaffolding a Next.js full-stack application.
## Phase 1: Project Setup
### Configuration Files
- [ ] `package.json` - Dependencies and scripts
- [ ] `tsconfig.json` - TypeScript configuration
- [ ] `next.config.ts` - Next.js configuration
- [ ] `tailwind.config.ts` - Tailwind CSS + shadcn/ui
- [ ] `postcss.config.mjs` - PostCSS configuration
- [ ] `eslint.config.mjs` - ESLint v9 flat config
- [ ] `prettier.config.js` - Prettier configuration
- [ ] `.gitignore` - Git ignore patterns
- [ ] `.env.example` - Environment variables template
- [ ] `README.md` - Setup instructions
### Testing Configuration
- [ ] `vitest.config.ts` - Vitest configuration
- [ ] `playwright.config.ts` - Playwright configuration
- [ ] Set up test directories (`tests/unit`, `tests/integration`, `tests/e2e`)
### Git Hooks
- [ ] Initialize Husky (`npx husky init`)
- [ ] Add pre-commit hook for lint-staged
- [ ] Configure lint-staged in package.json
## Phase 2: Folder Structure
### App Router Structure
- [ ] `app/layout.tsx` - Root layout
- [ ] `app/page.tsx` - Home page
- [ ] `app/globals.css` - Global styles with Tailwind
- [ ] `app/(auth)/login/page.tsx` - Login page
- [ ] `app/(auth)/layout.tsx` - Auth layout
- [ ] `app/(protected)/dashboard/page.tsx` - Dashboard
- [ ] `app/(protected)/profile/page.tsx` - User profile
- [ ] `app/(protected)/data/page.tsx` - Data table page
- [ ] `app/(protected)/layout.tsx` - Protected layout
- [ ] `app/api/data/route.ts` - Example API route
- [ ] `middleware.ts` - Auth middleware
### Components
- [ ] `components/providers.tsx` - App providers (Toaster, etc.)
- [ ] `components/layout/header.tsx` - Header component
- [ ] `components/layout/sidebar.tsx` - Sidebar component
- [ ] `components/layout/nav.tsx` - Navigation component
- [ ] `components/auth/login-form.tsx` - Login form with RHF + Zod
- [ ] `components/auth/auth-button.tsx` - Login/logout button
- [ ] `components/dashboard/stats-card.tsx` - Stats card component
- [ ] `components/dashboard/data-table.tsx` - Data table component
### shadcn/ui Components
- [ ] `components/ui/button.tsx`
- [ ] `components/ui/card.tsx`
- [ ] `components/ui/input.tsx`
- [ ] `components/ui/label.tsx`
- [ ] `components/ui/form.tsx`
- [ ] `components/ui/table.tsx`
- [ ] `components/ui/dropdown-menu.tsx`
- [ ] `components/ui/avatar.tsx`
### Lib Files
- [ ] `lib/utils.ts` - Utility functions (cn, etc.)
- [ ] `lib/prisma.ts` - Prisma client singleton
- [ ] `lib/supabase/client.ts` - Supabase client for client components
- [ ] `lib/supabase/server.ts` - Supabase client for server components
- [ ] `lib/supabase/middleware.ts` - Supabase middleware helper
- [ ] `lib/actions/auth.ts` - Auth server actions
- [ ] `lib/actions/user.ts` - User server actions
- [ ] `lib/actions/data.ts` - Data server actions
- [ ] `lib/validations/auth.ts` - Auth validation schemas
- [ ] `lib/validations/user.ts` - User validation schemas
- [ ] `lib/validations/data.ts` - Data validation schemas
### Database
- [ ] `prisma/schema.prisma` - Prisma schema
- [ ] `prisma/seed.ts` - Database seed script
## Phase 3: Core Features
### Authentication
- [ ] Supabase auth setup (server + client)
- [ ] Login form with email/password
- [ ] Server action for sign in
- [ ] Server action for sign out
- [ ] Middleware for protected routes
- [ ] Auth state management
- [ ] Redirect logic after login/logout
### Protected Routes
- [ ] Dashboard page with data fetching
- [ ] Profile page with user info
- [ ] Data table page with CRUD operations
- [ ] Server actions for mutations
- [ ] Form validation with Zod
- [ ] Toast notifications on success/error
### UI Components
- [ ] Responsive layout with header/sidebar
- [ ] Dark mode toggle (optional)
- [ ] Loading states with Suspense
- [ ] Error boundaries
- [ ] Accessible forms with shadcn/ui
### Database Integration
- [ ] Prisma schema with User model
- [ ] Prisma schema with example data model
- [ ] Database migrations
- [ ] Seed script with sample data
- [ ] Prisma client queries in server components
- [ ] Server actions with database mutations
## Phase 4: Testing
### Unit Tests
- [ ] `tests/unit/utils.test.ts` - Test utility functions
- [ ] Test Zod validation schemas
- [ ] Test helper functions
### Integration Tests
- [ ] `tests/integration/auth.test.tsx` - Test auth components
- [ ] Test form submissions
- [ ] Test server actions
### E2E Tests
- [ ] `tests/e2e/login.spec.ts` - Test login flow
- [ ] Test protected route access
- [ ] Test form submission flows
- [ ] Test navigation
## Phase 5: CI/CD
### GitHub Actions
- [ ] `.github/workflows/ci.yml` - CI workflow
- [ ] Run linting
- [ ] Run type checking
- [ ] Run tests
- [ ] Run build
- [ ] Set up Vercel deployment (optional)
## Phase 6: Documentation
### README Sections
- [ ] Project overview
- [ ] Tech stack list
- [ ] Prerequisites
- [ ] Installation steps
- [ ] Environment variable setup
- [ ] Database setup (Prisma)
- [ ] Supabase setup instructions
- [ ] Running locally
- [ ] Testing commands
- [ ] Deployment instructions
- [ ] Folder structure explanation
- [ ] Contributing guidelines (optional)
## Verification Steps
After scaffolding, verify:
1. **Dependencies Install**: `npm install` completes without errors
2. **Type Checking**: `npx tsc --noEmit` passes
3. **Linting**: `npm run lint` passes
4. **Formatting**: `npm run format:check` passes
5. **Build**: `npm run build` succeeds
6. **Tests**: `npm test` passes
7. **E2E Tests**: `npm run test:e2e` passes (with test environment)
8. **Dev Server**: `npm run dev` starts successfully
9. **Prisma**: `npx prisma generate` works
10. **Git Hooks**: Commit triggers lint-staged
## Common Issues & Solutions
### Issue: Prisma client not generated
**Solution**: Run `npx prisma generate` after schema changes
### Issue: Supabase auth not working
**Solution**: Check environment variables and cookie configuration
### Issue: ESLint errors
**Solution**: Run `npm run lint -- --fix` to auto-fix
### Issue: Type errors
**Solution**: Ensure all dependencies are installed and Prisma is generated
### Issue: Build fails
**Solution**: Check for missing environment variables and type errors
### Issue: Tests fail
**Solution**: Ensure test environment is properly configured in vitest.config.ts
## Post-Scaffold Tasks
After completing the scaffold:
1. **Environment Setup**: Copy `.env.example` to `.env` and fill in values
2. **Supabase Project**: Create Supabase project and get credentials
3. **Database Schema**: Run `npx prisma db push` to sync schema
4. **Seed Data**: Run `npm run db:seed` to populate sample data
5. **Install shadcn/ui**: Run initialization commands for components
6. **Git Init**: Initialize git repository and make first commit
7. **Deploy**: Connect to Vercel and deploy
8. **Test**: Verify all features work in production
## Optional Enhancements
Consider adding these after the base scaffold:
- [ ] Email verification flow
- [ ] Password reset flow
- [ ] User roles and permissions
- [ ] Multi-factor authentication
- [ ] File upload with Supabase Storage
- [ ] Real-time subscriptions
- [ ] Advanced data table features (export, filters)
- [ ] User preferences/settings page
- [ ] Activity logs/audit trail
- [ ] API documentation
- [ ] Storybook for components
- [ ] Performance monitoring
- [ ] Error tracking (Sentry)
- [ ] Analytics integration

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# Stack Architecture Reference
## Technology Stack
### Core Framework
- **Next.js 16** (App Router) - React framework with built-in routing, server components, and API routes
- **React 19** - UI library with Server Components support
- **TypeScript** - Type safety across the entire stack
### Styling
- **Tailwind CSS v4** - Utility-first CSS framework
- **shadcn/ui** - Accessible component system built on Radix UI
- **CSS Variables** - For theming and dark mode support
### Backend & Database
- **Supabase** - Auth provider + PostgreSQL hosting
- **Prisma ORM** - Type-safe database client
- **Server Actions** - Next.js server-side mutations
### Forms & Validation
- **React Hook Form** - Performant form management
- **Zod** - Runtime type validation and schema definition
- **@hookform/resolvers** - Bridge between RHF and Zod
### Developer Experience
- **ESLint v9** - Code linting with flat config
- **Prettier** - Code formatting
- **Husky** - Git hooks for pre-commit checks
- **lint-staged** - Run linters on staged files only
### Testing
- **Vitest** - Unit test runner
- **React Testing Library** - Component testing
- **Playwright** - E2E browser testing
### Utilities
- **Sonner** - Toast notifications
- **lucide-react** - Icon library
- **clsx + tailwind-merge** - Conditional CSS class utilities
## Architecture Patterns
### App Router Structure
#### Route Groups
Use route groups to organize routes without affecting URL structure:
```
app/
(auth)/ # Public authentication routes
login/
signup/
(protected)/ # Protected routes requiring authentication
dashboard/
profile/
settings/
```
#### Layouts
- Root layout (`app/layout.tsx`) - Wraps entire app
- Group layouts - Shared UI for route groups
- Nested layouts - Inherited down the tree
### Server vs Client Components
#### Server Components (Default)
- Data fetching
- Database queries
- Server-side logic
- No interactivity needed
#### Client Components (`"use client"`)
- Interactivity (onClick, onChange, etc.)
- React hooks (useState, useEffect, etc.)
- Browser APIs
- Third-party libraries requiring client-side code
### Data Fetching Patterns
#### Server Components
```typescript
async function getData() {
const data = await prisma.table.findMany()
return data
}
export default async function Page() {
const data = await getData()
return <div>{/* render */}</div>
}
```
#### Server Actions
```typescript
'use server'
export async function createItem(formData: FormData) {
const validated = schema.parse(formData)
await prisma.item.create({ data: validated })
revalidatePath('/items')
}
```
### Authentication Flow
#### Supabase SSR Setup
1. Create Supabase client for server (cookies-based)
2. Create Supabase client for client (storage-based)
3. Middleware to refresh tokens
4. Protected route groups
#### Auth Flow
1. User submits login form
2. Server Action validates credentials
3. Supabase sets secure cookies
4. Middleware verifies on subsequent requests
5. Redirect to dashboard
### Database Layer
#### Prisma Schema
- Define models matching Supabase tables
- Use `@db.Uuid` for UUID types
- Add indexes for performance
- Include relations
#### Migrations
```bash
npx prisma migrate dev --name init
npx prisma generate
npx prisma db push
```
### Form Handling Pattern
```typescript
const form = useForm<FormData>({
resolver: zodResolver(schema),
defaultValues: {...}
})
async function onSubmit(data: FormData) {
const result = await serverAction(data)
if (result.success) {
toast.success('Success!')
}
}
```
### Testing Strategy
#### Unit Tests
- Utility functions
- Validation schemas
- Helper functions
#### Integration Tests
- Component behavior
- Form submissions
- User interactions
#### E2E Tests
- Critical user flows
- Authentication
- Data mutations
## File Naming Conventions
- **Components**: PascalCase (`UserProfile.tsx`)
- **Utilities**: camelCase (`formatDate.ts`)
- **Server Actions**: camelCase (`createUser.ts`)
- **Route Segments**: lowercase (`dashboard`, `profile`)
- **API Routes**: lowercase (`route.ts`)
## Configuration Files
### TypeScript (`tsconfig.json`)
- Strict mode enabled
- Path aliases (`@/*`)
- Next.js plugin
### ESLint (`eslint.config.mjs`)
- Flat config format (v9)
- Next.js rules
- TypeScript rules
- Custom rules for unused vars
### Tailwind (`tailwind.config.ts`)
- CSS variables for theming
- Dark mode support
- Custom color palette
- shadcn/ui compatible
### Prisma (`prisma/schema.prisma`)
- PostgreSQL datasource
- Shadow database for migrations
- Supabase connection pooling
## Environment Variables
Required variables:
```
NEXT_PUBLIC_SUPABASE_URL
NEXT_PUBLIC_SUPABASE_ANON_KEY
DATABASE_URL (connection pooling)
DIRECT_URL (direct connection)
```
## Deployment
### Vercel Setup
1. Connect GitHub repository
2. Set environment variables
3. Configure build settings (auto-detected)
4. Deploy
### Build Command
```bash
npm run build
```
- Runs Prisma generate
- Builds Next.js app
- Type checks
- Lint checks
## Best Practices
### Performance
- Use Server Components by default
- Minimize client-side JavaScript
- Implement proper caching strategies
- Use React Suspense for loading states
### Security
- Validate all inputs with Zod
- Use Server Actions for mutations
- Implement Row Level Security in Supabase
- Never expose secrets to client
### Accessibility
- Use shadcn/ui components (built on Radix)
- Include ARIA labels
- Ensure keyboard navigation
- Test with screen readers
### Type Safety
- Define Zod schemas for all forms
- Use Prisma for database queries
- Type all API responses
- Avoid `any` types

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Next.js Full-Stack Scaffold Generator
Generates a production-ready Next.js 16 full-stack application with:
- Next.js 16 (App Router)
- React 19 with Server Components
- TypeScript
- Tailwind CSS v4
- shadcn/ui
- Supabase (Auth + PostgreSQL)
- Prisma ORM
- React Hook Form + Zod
- ESLint v9 + Prettier
- Husky + lint-staged
- Sonner (toasts)
- Vitest + React Testing Library
- Playwright for E2E testing
"""
import io
import os
import json
import sys
from pathlib import Path
from typing import Dict, Any
# Configure stdout for UTF-8 encoding (prevents Windows encoding errors)
if sys.platform == 'win32':
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
def prompt_for_details() -> Dict[str, str]:
"""Prompt user for project details."""
print("\n=== Next.js Full-Stack Scaffold ===\n")
details = {}
details['name'] = input("Project name (e.g., my-app): ").strip() or "my-app"
details['description'] = input("Project description: ").strip() or "A full-stack Next.js application"
details['author'] = input("Author name: ").strip() or "Your Name"
return details
def create_folder_structure():
"""Create the project folder structure."""
folders = [
"app",
"app/(auth)",
"app/(auth)/login",
"app/(protected)",
"app/(protected)/dashboard",
"app/(protected)/profile",
"app/api",
"app/api/data",
"components",
"components/ui",
"components/auth",
"components/dashboard",
"lib",
"lib/actions",
"lib/validations",
"prisma",
"prisma/migrations",
"public",
"tests",
"tests/unit",
"tests/integration",
"tests/e2e",
".github",
".github/workflows",
]
for folder in folders:
Path(folder).mkdir(parents=True, exist_ok=True)
print("[OK] Created folder structure")
def create_package_json(details: Dict[str, str]) -> str:
"""Generate package.json content."""
package = {
"name": details['name'],
"version": "0.1.0",
"description": details['description'],
"author": details['author'],
"private": True,
"scripts": {
"dev": "next dev",
"build": "prisma generate && next build",
"start": "next start",
"lint": "next lint",
"format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\"",
"format:check": "prettier --check \"**/*.{ts,tsx,js,jsx,json,md}\"",
"test": "vitest",
"test:e2e": "playwright test",
"test:e2e:ui": "playwright test --ui",
"db:generate": "prisma generate",
"db:push": "prisma db push",
"db:migrate": "prisma migrate dev",
"db:seed": "tsx prisma/seed.ts",
"prepare": "husky"
},
"dependencies": {
"next": "^16.0.0",
"react": "^19.0.0",
"react-dom": "^19.0.0",
"@supabase/ssr": "^0.5.2",
"@supabase/supabase-js": "^2.45.0",
"@prisma/client": "^6.0.0",
"react-hook-form": "^7.53.0",
"@hookform/resolvers": "^3.9.0",
"zod": "^3.23.0",
"sonner": "^1.5.0",
"class-variance-authority": "^0.7.0",
"clsx": "^2.1.1",
"tailwind-merge": "^2.5.0",
"lucide-react": "^0.447.0",
"@radix-ui/react-slot": "^1.1.0",
"@radix-ui/react-label": "^2.1.0",
"@radix-ui/react-dropdown-menu": "^2.1.0",
"@radix-ui/react-avatar": "^1.1.0",
"@radix-ui/react-select": "^2.1.0",
"@radix-ui/react-dialog": "^1.1.0",
"@radix-ui/react-table": "^1.1.0"
},
"devDependencies": {
"typescript": "^5.6.0",
"@types/node": "^22.0.0",
"@types/react": "^19.0.0",
"@types/react-dom": "^19.0.0",
"tailwindcss": "^4.0.0",
"postcss": "^8.4.0",
"@tailwindcss/typography": "^0.5.15",
"eslint": "^9.0.0",
"eslint-config-next": "^16.0.0",
"prettier": "^3.3.0",
"prettier-plugin-tailwindcss": "^0.6.0",
"husky": "^9.1.0",
"lint-staged": "^15.2.0",
"prisma": "^6.0.0",
"tsx": "^4.19.0",
"vitest": "^2.1.0",
"@vitejs/plugin-react": "^4.3.0",
"@testing-library/react": "^16.0.0",
"@testing-library/jest-dom": "^6.5.0",
"@testing-library/user-event": "^14.5.0",
"@playwright/test": "^1.48.0"
},
"lint-staged": {
"*.{ts,tsx,js,jsx}": ["eslint --fix", "prettier --write"],
"*.{json,md}": ["prettier --write"]
}
}
return json.dumps(package, indent=2)
def write_file(path: str, content: str):
"""Write content to a file."""
Path(path).parent.mkdir(parents=True, exist_ok=True)
with open(path, 'w', encoding='utf-8') as f:
f.write(content)
def generate_all_files(details: Dict[str, str]):
"""Generate all project files."""
# Import templates
from pathlib import Path
assets_dir = Path(__file__).parent.parent / "assets" / "templates"
# Since we're generating inline, let's create the content directly
# This would normally load from template files
files = get_all_file_contents(details)
for file_path, content in files.items():
write_file(file_path, content)
print(f"[OK] Created {file_path}")
def get_all_file_contents(details: Dict[str, str]) -> Dict[str, str]:
"""Return all file contents as a dictionary."""
files = {}
# Configuration files
files['package.json'] = create_package_json(details)
files['tsconfig.json'] = """{
"compilerOptions": {
"target": "ES2022",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "preserve",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./*"]
}
},
"include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
"exclude": ["node_modules"]
}
"""
files['next.config.ts'] = """import type { NextConfig } from "next";
const nextConfig: NextConfig = {
eslint: {
ignoreDuringBuilds: false,
},
typescript: {
ignoreBuildErrors: false,
},
experimental: {
serverActions: {
bodySizeLimit: "2mb",
},
},
};
export default nextConfig;
"""
files['tailwind.config.ts'] = """import type { Config } from "tailwindcss";
const config: Config = {
darkMode: ["class"],
content: [
"./pages/**/*.{js,ts,jsx,tsx,mdx}",
"./components/**/*.{js,ts,jsx,tsx,mdx}",
"./app/**/*.{js,ts,jsx,tsx,mdx}",
],
theme: {
extend: {
colors: {
background: "hsl(var(--background))",
foreground: "hsl(var(--foreground))",
card: {
DEFAULT: "hsl(var(--card))",
foreground: "hsl(var(--card-foreground))",
},
popover: {
DEFAULT: "hsl(var(--popover))",
foreground: "hsl(var(--popover-foreground))",
},
primary: {
DEFAULT: "hsl(var(--primary))",
foreground: "hsl(var(--primary-foreground))",
},
secondary: {
DEFAULT: "hsl(var(--secondary))",
foreground: "hsl(var(--secondary-foreground))",
},
muted: {
DEFAULT: "hsl(var(--muted))",
foreground: "hsl(var(--muted-foreground))",
},
accent: {
DEFAULT: "hsl(var(--accent))",
foreground: "hsl(var(--accent-foreground))",
},
destructive: {
DEFAULT: "hsl(var(--destructive))",
foreground: "hsl(var(--destructive-foreground))",
},
border: "hsl(var(--border))",
input: "hsl(var(--input))",
ring: "hsl(var(--ring))",
chart: {
"1": "hsl(var(--chart-1))",
"2": "hsl(var(--chart-2))",
"3": "hsl(var(--chart-3))",
"4": "hsl(var(--chart-4))",
"5": "hsl(var(--chart-5))",
},
},
borderRadius: {
lg: "var(--radius)",
md: "calc(var(--radius) - 2px)",
sm: "calc(var(--radius) - 4px)",
},
},
},
plugins: [require("@tailwindcss/typography")],
};
export default config;
"""
files['postcss.config.mjs'] = """/** @type {import('postcss-load-config').Config} */
const config = {
plugins: {
tailwindcss: {},
},
};
export default config;
"""
files['eslint.config.mjs'] = """import { dirname } from "path";
import { fileURLToPath } from "url";
import { FlatCompat } from "@eslint/eslintrc";
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const compat = new FlatCompat({
baseDirectory: __dirname,
});
const eslintConfig = [
...compat.extends("next/core-web-vitals", "next/typescript"),
{
rules: {
"@typescript-eslint/no-unused-vars": [
"error",
{
argsIgnorePattern: "^_",
varsIgnorePattern: "^_",
},
],
"@typescript-eslint/no-explicit-any": "warn",
},
},
];
export default eslintConfig;
"""
files['prettier.config.js'] = """/** @type {import("prettier").Config} */
const config = {
semi: true,
trailingComma: "es5",
singleQuote: false,
printWidth: 100,
tabWidth: 2,
useTabs: false,
plugins: ["prettier-plugin-tailwindcss"],
};
export default config;
"""
files['.env.example'] = """# Supabase
NEXT_PUBLIC_SUPABASE_URL=your-supabase-url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your-supabase-anon-key
# Database
DATABASE_URL=your-database-url
DIRECT_URL=your-direct-database-url
# App
NEXT_PUBLIC_APP_URL=http://localhost:3000
"""
files['.gitignore'] = """# dependencies
/node_modules
/.pnp
.pnp.js
.yarn/install-state.gz
# testing
/coverage
playwright-report/
test-results/
# next.js
/.next/
/out/
# production
/build
# misc
.DS_Store
*.pem
# debug
npm-debug.log*
yarn-debug.log*
yarn-error.log*
# env files
.env
.env*.local
# vercel
.vercel
# typescript
*.tsbuildinfo
next-env.d.ts
# prisma
prisma/migrations/
"""
# This is getting very long. Let me create a helper to generate the remaining files
# in the template assets instead
return files
def main():
"""Main execution function."""
print("Starting Next.js Full-Stack Scaffold Generator...")
# Get project details
details = prompt_for_details()
# Create folder structure
print("\nCreating folder structure...")
create_folder_structure()
# Generate all files
print("\nGenerating project files...")
generate_all_files(details)
print("\n[SUCCESS] Scaffold complete!")
print("\nNext steps:")
print("1. Copy .env.example to .env and fill in your Supabase credentials")
print("2. Run: npm install")
print("3. Run: npx prisma generate")
print("4. Run: npx prisma db push")
print("5. Run: npm run dev")
print("\nSee README.md for detailed setup instructions.")
if __name__ == "__main__":
main()