Building and Publishing npm Packages

Creating npm packages lets you share code across projects. Here's how to build professional packages.

Best Practices#

Structure:
✓ Clear entry points
✓ Proper exports field
✓ TypeScript declarations
✓ Minimal dependencies

Quality:
✓ Comprehensive tests
✓ Good documentation
✓ Semantic versioning
✓ Changelog maintained

Publishing:
✓ Automate releases with CI
✓ Use changesets for versioning
✓ Test before publishing
✓ Tag releases properly

Building npm packages involves proper project setup, TypeScript configuration, testing, and automated publishing. Use modern build tools like tsup, maintain good documentation, and automate releases with changesets for a professional package development workflow.

Building and Publishing npm Packages

Project Setup#

TypeScript Configuration#

Build Configuration#

Source Code Structure#

Testing#

Documentation#

Versioning with Changesets#

Publishing#

Package.json Best Practices#

Best Practices#

Conclusion#

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