Yes, it used to be called Monaco initially.

https://microsoft.github.io/monaco-editor/

Also Erich Gamma from Eclipse fame, and GOF book, is the main architect.

"VS Code an Overnight Success… 10 years in the making"

https://www.youtube.com/watch?v=hilznKQij7A

VSCode remote editing on Github is it returning back to its roots.

You did ;) Its design was clearly inspired by Atom, but it was written from the ground up