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Share useState with useContext
import React, { createContext, useState, useContext, FC } from 'react';
type ContextValue = [boolean, (value: boolean) => void] | undefined;
const FullwidthContext = createContext<ContextValue>(undefined);
const defaultState = false;
export const FullwidthProvider: FC = ({ children }) => {
const state = useState(defaultState);
return (
<FullwidthContext.Provider value={state}>
export function useFullwidth() {
const context = useContext(FullwidthContext);
if (!context)
throw new Error('useFullwidth must be used within a FullwidthProvider.');
return context;
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