CodeMirror
枯れたテキストエディタライブラリ
React向けのwrapperなどもある
https://uiwjs.github.io/react-codemirror/
react-codemirror2が開発されており、そっちを使うほうが良いらしい ref
website
github
Features
Support for over 100 languages out of the box
A powerful, composable language mode system
Autocompletion (XML)
Code folding
Configurable keybindings
Vim, Emacs, and Sublime Text bindings
Search and replace interface
Bracket and tag matching
Support for split views
Linter integration
Mixing font sizes and styles
Various themes
Able to resize to fit content
Inline and block widgets
Programmable gutters
Making ranges of text styled, read-only, or atomic
Bi-directional text support
Many other methods and addons...