This article will guide you through publishing dual-mode, cross-runtime JavaScript packages. Learn to create libraries compatible with both ESM and CommonJS, as well as different runtimes like Node.js, Deno, and browsers.

If you're into JavaScript or TypeScript, you've probably heard about Deno. It's an exciting new runtime that's often described as a more secure and simpler alternative to Node.js. In this blog post, we'll go over what makes Deno awesome and how to get started.

A while ago, I wrote a post called How to Create a Dual-Mode Cross-Runtime JavaScript Package: How to Create a Dual-Mode Cross-Runtime JavaScript Package, and while possible - it sure isn't simple. There has to be a better way, and the creators behind jsr.io seem to agree.