example-react-useReducer-useContext.md

// DECRALER
const ReduxContext = React.createContext(null);
export const ReduxProvider = ({ children }) => {
  const [state, dispatch] = React.useReducer(reducer, initParams);
  return (
    <ReduxContext.Provider value={{ state, dispatch }}>
      {children}
    </ReduxContext.Provider>
  );
};
export const useRedux = () => React.useContext(ReduxContext);

// READY
<ReduxProvider>
  <MyComponents />
</ReduxProvider>

// USE
const {state, dispatch} = useRedux()