create-web3/templates/next/default/pages/_app.js

A boilerplate for creating a web3 projects

import * as React from 'react';
import NextHead from 'next/head';
import '../styles/globals.css';

// Imports
import { createClient, WagmiConfig, configureChains } from 'wagmi';
import {
  mainnet,
  polygon,
  polygonMumbai,
  optimism,
  arbitrum,
  hardhat,
} from 'wagmi/chains';
import { publicProvider } from 'wagmi/providers/public';

import '@rainbow-me/rainbowkit/styles.css';
import { getDefaultWallets, RainbowKitProvider } from '@rainbow-me/rainbowkit';

import { useIsMounted } from '../hooks';

const { chains, provider, webSocketProvider } = configureChains(
  [mainnet, polygon, polygonMumbai, optimism, arbitrum, hardhat],
  [publicProvider()]
);

const { connectors } = getDefaultWallets({
  appName: 'create-web3',
  chains,
});

const wagmiClient = createClient({
  autoConnect: true,
  connectors,
  provider,
  webSocketProvider,
});

const App = ({ Component, pageProps }) => {
  const isMounted = useIsMounted();

  if (!isMounted) return null;
  return (
    <WagmiConfig client={wagmiClient}>
      <RainbowKitProvider coolMode chains={chains}>
        <NextHead>
          <title>create-web3</title>
        </NextHead>
        <Component {...pageProps} />
      </RainbowKitProvider>
    </WagmiConfig>
  );
};

export default App;