How to add codemirror 6 to tinymce 7 plugins?

Can you give me a straightforward instruction to add codemirror 6 to tinymce 7 without using npm or bundlers, etc. ?

I tried lots of ways but no chance! It seems that codemirror 6 needs bundling which I don’t know, and tinymce 7 has changed plugin registration…

Or any other alternative to codemirror or its native Enhanced Code Editor?

You’re going to have to learn it, I’m afraid. It’s not that hard though.