TypeError: can't access property "nodeType", S is null
- Dominant language
- Ruby
- Stars
- 548
- Forks
- 168
- Avg merge
- 1d 3h
- Merged PRs (30d)
- 28
Description
## Error
```
can't access property "nodeType", S is null
```
## Stack trace
```
../node_modules/easymde/node_modules/codemirror/lib/codemirror.js:9257 in walk
../node_modules/easymde/node_modules/codemirror/lib/codemirror.js:9285 in domTextBetween
../node_modules/easymde/node_modules/codemirror/lib/codemirror.js:9123 in ContentEditableInput.prototype.pollContent
../node_modules/easymde/node_modules/codemirror/lib/codemirror.js:9192 in ContentEditableInput.prototype.updateFromDOM
../node_modules/easymde/node_modules/codemirror/lib/codemirror.js:9185 in this.readDOMTimeout
../node_modules/@sentry/browser/src/helpers.ts:117 in sentryWrapped
```
## Tracking Details
- **Project**: exercism-js
- **Sentry**: [TypeError: can't access property "nodeType", S is null](https://thalamus-ai.sentry.io/issues/109994589/)
- **Culprit**: walk(easymde/node_modules/codemirror/lib/codemirror)
- **First seen:** Apr 6, 2026
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