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useImmerReducer: only call produce() when reducer changes #50

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merged 1 commit into from
Apr 6, 2020

Commits on Apr 5, 2020

  1. useImmerReducer: only call produce() when reducer changes

    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.)
    sophiebits committed Apr 5, 2020
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