How to Connect a Wallet with React

npx create-solana-dapp <app-name>

npm install --save \
    @solana/wallet-adapter-base \
    @solana/wallet-adapter-react \
    @solana/wallet-adapter-react-ui \
    @solana/wallet-adapter-wallets \
    @solana/web3.js \
    react

import React, { FC, useMemo } from 'react';
import { ConnectionProvider, WalletProvider } from '@solana/wallet-adapter-react';
import { WalletAdapterNetwork } from '@solana/wallet-adapter-base';
import { UnsafeBurnerWalletAdapter } from '@solana/wallet-adapter-wallets';
import {
    WalletModalProvider,
    WalletDisconnectButton,
    WalletMultiButton
} from '@solana/wallet-adapter-react-ui';
import { clusterApiUrl } from '@solana/web3.js';
 
// Default styles that can be overridden by your app
require('@solana/wallet-adapter-react-ui/styles.css');
 
export const Wallet: FC = () => {
    // The network can be set to 'devnet', 'testnet', or 'mainnet-beta'.
    const network = WalletAdapterNetwork.Devnet;
 
    // You can also provide a custom RPC endpoint.
    const endpoint = useMemo(() => clusterApiUrl(network), [network]);
 
    const wallets = useMemo(
        () => [
            /**
             * Wallets that implement either of these standards will be available automatically.
             *
             *   - Solana Mobile Stack Mobile Wallet Adapter Protocol
             *     (https://github.com/solana-mobile/mobile-wallet-adapter)
             *   - Solana Wallet Standard
             *     (https://github.com/anza-xyz/wallet-standard)
             *
             * If you wish to support a wallet that supports neither of those standards,
             * instantiate its legacy wallet adapter here. Common legacy adapters can be found
             * in the npm package `@solana/wallet-adapter-wallets`.
             */
            new UnsafeBurnerWalletAdapter(),
        ],
        // eslint-disable-next-line react-hooks/exhaustive-deps
        [network]
    );
 
    return (
        <ConnectionProvider endpoint={endpoint}>
            <WalletProvider wallets={wallets} autoConnect>
                <WalletModalProvider>
                    <WalletMultiButton />
                    <WalletDisconnectButton />
                    { /* Your app's components go here, nested within the context providers. */ }
                
</WalletModalProvider>
            
</WalletProvider>
        
</ConnectionProvider>
    );
};