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useEffect does not re-fire on hot reload with React 19 #214

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gkiely opened this issue Jun 12, 2024 · 0 comments
Open

useEffect does not re-fire on hot reload with React 19 #214

gkiely opened this issue Jun 12, 2024 · 0 comments

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@gkiely
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gkiely commented Jun 12, 2024

Description:
In prior versions of react, saving a file will trigger the components useEffect hooks to run. This does not work for react 19.

Repo: https://github.com/gkiely/swc-issue

Steps to reproduce:

  • npm i
  • npm run dev
  • open repo and press save in App.tsx
  • console.log will not fire after pressing save
  • npm i react@latest react-dom@latest
  • npm run dev
  • press save in App.tsx
  • console.log will fire

Video reproduction:
https://www.loom.com/share/b493602e3f7244d2948c5bb871531881?sid=c9bdec15-5b87-4375-a659-6c63804cb032

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