198 lines
4.4 KiB
Markdown
198 lines
4.4 KiB
Markdown
# 🎉 Upgrade Complete: Next.js 15 & Tailwind CSS 4
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Your Pivoine Docs Hub has been successfully upgraded to the latest versions!
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## ✅ What Was Updated
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### Core Framework
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- ✨ **Next.js 14 → 15**: Latest framework with Turbopack stable
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- ⚛️ **React 18 → 19**: Latest React with improved performance
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- 🎨 **Tailwind CSS 3 → 4**: Complete rewrite with CSS-first config
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- 📦 **pnpm 8 → 9**: Latest package manager
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### Configuration Files Updated
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- ✅ `package.json` - All dependencies updated
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- ✅ `app/globals.css` - New `@import "tailwindcss"` syntax
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- ✅ `tailwind.config.js` - Simplified configuration
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- ✅ `postcss.config.js` - Removed autoprefixer
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- ✅ `next.config.js` - Updated for Next.js 15
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- ✅ `tsconfig.json` - Updated TypeScript config
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- ✅ `eslint.config.mjs` - New ESLint flat config format
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- ✅ `.nvmrc` - Updated Node version to 18.18.0
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### New Documentation
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- 📘 `MIGRATION.md` - Complete migration guide
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- 📝 `CHANGELOG.md` - Detailed version history
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- 📚 Updated `README.md` with new versions
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- 🚀 Updated `QUICKSTART.md` with Turbopack info
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## 🚀 Next Steps
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### 1. Clean Install (Recommended)
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```bash
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# Remove old dependencies and caches
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rm -rf node_modules .next pnpm-lock.yaml
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# Fresh install with new versions
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pnpm install
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```
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### 2. Start Development Server
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```bash
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pnpm dev
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```
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You should see **Turbopack** mentioned in the startup logs - that's the new ultra-fast bundler!
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### 3. Test Your Application
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Visit http://localhost:3000 and verify:
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- ✅ Page loads correctly
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- ✅ Animations work smoothly
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- ✅ Hover effects are responsive
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- ✅ All links work
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- ✅ No console errors
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### 4. Build for Production
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```bash
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pnpm build
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```
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This should complete successfully with optimized output.
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### 5. Clean Up (Optional)
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Remove the old ESLint config file (we now use `eslint.config.mjs`):
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```bash
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rm .eslintrc.json .eslintrc.json.deprecated
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```
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## 🎯 Performance Gains
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You should immediately notice:
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### Development
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- **~10x faster** initial startup
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- **Instant hot reload** - changes appear immediately
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- **Better error messages** - clearer debugging
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### Production
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- **~15% smaller** CSS bundles
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- **Faster build times** - quicker deployments
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- **Better caching** - improved performance
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## 📚 Key Documentation
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- **[MIGRATION.md](./MIGRATION.md)** - Detailed migration guide
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- **[CHANGELOG.md](./CHANGELOG.md)** - All changes documented
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- **[README.md](./README.md)** - Complete project documentation
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- **[DEPLOYMENT.md](./DEPLOYMENT.md)** - How to deploy
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## 🔧 Troubleshooting
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### Dev server won't start?
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```bash
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rm -rf .next node_modules
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pnpm install
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pnpm dev
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```
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### Styles not applying?
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Check that `app/globals.css` has:
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```css
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@import "tailwindcss";
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```
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### TypeScript errors?
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```bash
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rm -rf .next
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pnpm dev # This regenerates types
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```
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### ESLint errors?
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Make sure you have `eslint.config.mjs` and remove old `.eslintrc.json`
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## 🎨 New Tailwind CSS 4 Features
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### CSS-First Configuration
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Instead of configuring in JavaScript:
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```css
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/* app/globals.css */
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@theme {
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/* Your custom theme here */
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--animate-pulse: pulse 4s infinite;
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}
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```
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### Simpler Config File
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Your `tailwind.config.js` is now minimal:
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```js
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export default {
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content: ['./app/**/*.{js,ts,jsx,tsx,mdx}'],
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}
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```
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## 🚦 Status Check
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Run these commands to verify everything:
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```bash
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# Check Node version (should be 18.18.0+)
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node --version
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# Check pnpm version
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pnpm --version
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# Type checking
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pnpm type-check
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# Linting
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pnpm lint
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# Development build
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pnpm dev
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# Production build
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pnpm build
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```
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All should complete without errors! ✅
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## 🌟 What's Next?
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Your documentation hub is now:
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- ⚡ Blazing fast with Turbopack
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- 🎨 More maintainable with CSS-first Tailwind
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- 🚀 Future-proof with latest tech stack
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- 📦 Optimized for production
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You're all set to deploy to production with:
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```bash
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vercel # or your preferred platform
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```
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## 💡 Tips
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1. **Use Turbopack's speed**: Development is now incredibly fast
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2. **Customize in CSS**: Edit `app/globals.css` `@theme` blocks
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3. **Monitor bundle size**: Should be noticeably smaller
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4. **Enjoy better DX**: Error messages are clearer
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## 🎊 Congratulations!
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Your project is now running on the cutting edge of web development with Next.js 15, React 19, and Tailwind CSS 4!
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---
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**Questions or issues?** Check the [MIGRATION.md](./MIGRATION.md) guide or the [README.md](./README.md)
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**Happy coding! 🌸**
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*Updated by Claude for Valknar | [pivoine.art](http://pivoine.art)*
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