codemirror-addon-indent-guide

Codemirror addon to include indentation guidelines.

How to use

1. Install the library from npm

npm i codemirror-addon-indent-guide

2. Import the module addon after importing codemirror module

import 'codemirror-addon-indent-guide';

3. Setup indentGuide and indentUnit options when initializing codemirror editor. Example:

CodeMirror.fromTextArea(elem, {
  indentUnit: 2,
  indentGuide: true,
});

4. Style it with some css using the classname cm-indent-guide. Example:

.cm-indent-guide {
  position: relative;
  border-left: 1px dotted #bbb;
}