A rich programming API and a CSS theming system are available for customizing CodeMirror to fit your application, and extending it with new functionality.
You can find more information (and the manual) on the project page. For questions and discussion, use the discussion forum.
See CONTRIBUTING.md for contributing guidelines.
The CodeMirror community aims to be welcoming to everybody. We use the Contributor Covenant (1.1) as our code of conduct.
To build the project, make sure you have Node.js installed (at least version 6) and then
npm install. To run, just open
index.html in your browser (you don't need to run a webserver). Run the tests with