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Manual action constants and switch statements add maintenance overhead. Redux Toolkit's createSlice automates them, but the shift to Immer and async thunks introduces real trade-offs.
Learn how Redux Toolkit's createSlice cuts boilerplate, lets you write mutable‑style reducers safely with Immer, and integrates async thunks—plus the trade‑offs to watch.
Redux Toolkit's createSlice, powered by Immer, collapses the classic constants/actions/reducer ceremony into one file where reducers read like mutations but stay immutable. Here's how it works and what to watch for.
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