Monorepos consolidate multiple packages in a single repository. This guide covers tooling, workflows, and patterns for effective monorepo management.
Why Monorepos?
- Unified versioning: All packages at compatible versions
- Code sharing: Easy cross-package imports
- Atomic changes: Single commit across packages
- Simplified tooling: One CI/CD pipeline
Project Structure
my-monorepo/
├── apps/
│ ├── web/ # Next.js app
│ ├── mobile/ # React Native app
│ └── docs/ # Documentation site
├── packages/
│ ├── ui/ # Shared UI components
│ ├── config/ # Shared configs
│ └── utils/ # Shared utilities
├── package.json
├── pnpm-workspace.yaml
└── turbo.json
Setting Up with pnpm
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Filtering Packages
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Shared Configurations
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Best Practices
- Keep packages focused
- Use workspace protocol for internal deps
- Configure proper outputs for caching
- Document package APIs
Conclusion
Monorepos require upfront investment but pay dividends in developer productivity. Start with pnpm workspaces and Turborepo.