open source online code editor with navigation

Question

I was looking at the ace code editor, however I would like to know, if there is any navigation extension associated with it? if not what are the other types of online open source editor that comes with navigation bar?

Answer 1

I have not seen any file tree implemented with text ui for online editors. Nerdtree itself is implemented as text ui only because there is no other ui in vim. If you do not want exactly nerdtree behavior, file tree will be outside of the editor and completely independent from it see eg https://github.com/zedapp/zed/blob/master/app/js/tree.js