3 replies

ESLint rule for not passing type into useState?

Hey guys, is there a ESLint rule I can enable to give me a error when Im not passing a type into useState? I thought this would have been standard, so maybe this isn't the correct pattern, but I would have thought best practice would be to enforce type declaration on state? Example:

  const [prevBtnEnabled, setPrevBtnEnabled] = useState<boolean>(false);
  const [nextBtnEnabled, setNextBtnEnabled] = useState(false);

  const [prevBtnEnabled, setPrevBtnEnabled] = useState<boolean>(false);
  const [nextBtnEnabled, setNextBtnEnabled] = useState(false);

I would expect the bottom one to have an error, but it doesn't. Is the top the correct pattern, or should I be doing something different?

TTC

Theo's Typesafe Cult•3y ago•

3 replies

codythatsme

ESLint rule for not passing type into useState?

  const [prevBtnEnabled, setPrevBtnEnabled] = useState<boolean>(false);
  const [nextBtnEnabled, setNextBtnEnabled] = useState(false);

  const [prevBtnEnabled, setPrevBtnEnabled] = useState<boolean>(false);
  const [nextBtnEnabled, setNextBtnEnabled] = useState(false);

I would expect the bottom one to have an error, but it doesn't. Is the top the correct pattern, or should I be doing something different?

ESLint rule for not passing type into useState?

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