react-component / react-component/virtual-list
null is not an object (evaluating 'n.listRef.current.clientHeight')
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- Dominant language
- TypeScript
- Stars
- 814
- Forks
- 171
- Avg merge
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- Merged PRs (30d)
- 3
Description
We get an error reported from sentry as shown in title.
This line of List.ts requires a null check on listRef.current:
var clientHeight = _this.listRef.current.clientHeight;
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Open List.ts and start at the reported clientHeight access on listRef.current. Confirm the Sentry failure scenario and add the requested null handling; done means the access no longer errors when the ref is unavailable.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- react, typescript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 55/100