TypeError: CodeMirror.defineMode is not a function

[wiggisser]

I'm using angular 9, thus I installed

npm install @ctrl/ngx-codemirror@3 codemirror

which installed @crtl/[email protected] and [email protected]

Then I included the module like described in the docs, ie I added

import { CodemirrorModule } from '@ctrl/ngx-codemirror';

 // add to imports:
  imports: [
    BrowserModule,
    FormsModule,
    CodemirrorModule,
    ...
  ]

to my app.module.ts and

import 'codemirror/mode/javascript/javascript';
import 'codemirror/mode/markdown/markdown';

to the top of my main.ts

Now when the webapp tries to start I get the above error in the browser console, pointing to javascript.js (ie the mode file)

Am I missing something? Without importing any modes it works, but well, it's just half the fun ...