GFM seems to break

1

When trying to set the mode of a CodeMirror editor, gfm.js breaks.

I’m currently using https://codemirror.net/5/mode/gfm/gfm.js, but https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/gfm/gfm.min.js has the same issue.

image
image721×339 12.5 KB

Here are the options I use:

let editor = files.editors[name] = CodeMirror(null, {
  mode: mode,
  lineNumbers: true,
  lineWrapping: true,
  foldGutter: true,
  gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
  value: content
})

Here are my external resources:

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/codemirror.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/foldgutter.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/codemirror.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/foldcode.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/foldgutter.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/brace-fold.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/xml-fold.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/indent-fold.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/markdown-fold.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/addon/fold/comment-fold.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/javascript/javascript.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/xml/xml.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/css/css.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/htmlmixed/htmlmixed.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/python/python.js" defer></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/markdown/markdown.js" defer></script>
<script src="https://codemirror.net/5/mode/gfm/gfm.js" defer></script>
2

Load addon/mode/overlay.js

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