React useReducer hook



    Jose Romero

    React JavaScript Recipes

    An alternative to useState. Accepts a reducer of type (state, action) => newState, and returns the current state paired with a dispatch method. (If you’re familiar with Redux, you already know how this works.)

    Library: react

    Shortcut: react.hook.reducer.use

    import { useReducer } from "react";
    const [state, dispatch] = useReducer(reducer, initialArg, init); 
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