reactjs / reactjs/react.dev

Recommend eslint:no-label for functional setState

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#1,004 3 comments 0 reactions 0 assignees View on GitHub

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JavaScript
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Description

this is a pretty common mistake when using the functional form of setState:

image

and we have no warning in React (yet) for this when it happens. easiest guard is having eslint:no-label tell you about it. Should we add a mention in the setState docs?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked setState FAQ section and check the referenced eslint:no-label behavior. Determine whether the documentation should mention this guard for functional setState; done means the FAQ clearly covers the reported mistake and the relevant lint guidance.

Written by the indexing model from the issue text.

Assessment

Tech stack
eslint, javascript, react
Domain
documentation
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
40/100

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