useImmerReducer: only call produce() when reducer changes #50
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Previously, this called `produce()` on every render but discarded the result on every render where `reducer` didn't change. Now, we use useMemo, which only calls it when `reducer` changes. (useCallback is really only intended for a function literal first argument.)
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Thanks for the catch Sophie! |
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Released in 0.4.0. |
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Previously, this called
produce()on every render but discarded the result on every render wherereducerdidn't change. Now, we use useMemo, which only calls it whenreducerchanges. (useCallback is really only intended for a function literal first argument.)