It's Typescript and working now!

Switch to tsup build system to make it work

All-TypeScript now!

Rewrite library with typescript and vite + vitest

Minimum node version: 16.13.2

2.0.1

Update engines.node to >= 16.13.2

Version 2.0.0 — actually ES6

• Merged PR #5
• Fixed bug with extend
• Rewrite to ES6 with TSDoc