TypeScript 5.9 RC arrives with import defer for deferred module evaluation, stable Node.js 20 module targeting, and refined ...

ECMAScript modules, aka ES modules or ESM, is the official JavaScript module syntax. As such, it is not technically a tool, but it has broad implications for JS development and tools.

Modules compiled for one version of Node.js would then run on later versions with no need to recompile. The N-API effort also aims to ease support of multiple back-end JavaScript engines.