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Next.js – How do I use Provider to Wrap Routes and use Context with Hooks

Asked By: Anonymous

I wrote code similar to the following in create-react-app and I want to know the equivalent for next.js. The code below is my attempt at having a global Context that is available to all pages. The Provider wraps the Links. I get no errors. The problem is inside the about page the console.log(state) returns undefined when I expect the Context state. How do I fix this?

Thank you.


import Link from "next/link";
import {Provider} from './Context';

function Index(){


             <li><Link href="/"><a>Home</a></Link></li>
             <li><Link href="/about"><a>About</a></Link></li>


export default Index;


import { useRouter } from 'next/router';
import {Context} from './Context';
import {useContext} from 'react';

const About= () => {

 const data = useContext(Context);

  return (

      <p>This is the blog post content.</p>


export default About;


import React, {createContext, useState, useEffect}from 'react';

let Context = createContext();

function Provider(props){

   const initialState = {
        userID: false,
        loading: true,

    const [state,updateState] = useState(initialState)


    <Context.Provider value={{




const Consumer = Context.Consumer;
export {Provider, Consumer, Context}


Answered By: Anonymous

You can move <Provider> into a custom <App> component which initializes each page.


import React from 'react'
import App from 'next/app'
import {Provider} from './Context';

class MyApp extends App {
  render() {
    const { Component, pageProps } = this.props
    return <Provider><Component {...pageProps} /></Provider>

export default MyApp

More info here.

techinplanet staff

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