Error: Unable to access the 'CodeMirror' property of null due to type mismatch

Encountering an issue with my NextJS (13) app. Chrome is throwing the following error:

TypeError: Cannot read properties of null (reading 'CodeMirror')

This error occurs every time I enter data in any input field within the app, although everything was working fine until yesterday. No recent code changes have been made that could affect these input fields. Interestingly, Safari and Firefox are not showing any errors.

<input
    type="text"
    name="title"
    defaultValue={post.title}
    onChange={(e) => 
    setTitle(e.target.value)}
    placeholder="title"
/>

In Vercel deployment, the input fields function perfectly in Chrome. This appears to be an issue specific to localhost/Chrome.

Hoping someone can provide insight into this situation. Any help is greatly appreciated.

google-chromenext.jslocalhostcodemirror

Answer №1

Uninstalling the blackbox extension from Google Chrome could resolve potential issues.

Answer №2

I identified the root cause of the issue - it turns out the problem was caused by the blackbox extension I had installed in my Chrome browser. Once I removed this extension, all my input fields started functioning properly again on localhost. It's strange how the issue suddenly arose, considering I've had this extension for a long time. Nonetheless, removing it resolved the problem completely.

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