Comments (1)
In React 18, StrictMode started double invoking effects. This is why you're seeing an additional call of the state updater function because we're invoking the function passed to useEffect
again which calls setState
again.
The docs describe the intention behind this change in more detail: https://react.dev/reference/react/StrictMode#fixing-bugs-found-by-re-running-effects-in-development
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