bitcoinjs-lib and Elliptic.js to generate a bech32 address

bech32.js

const bitcoin = require('bitcoinjs-lib');
const EC = require('elliptic').ec;
const ec = new EC('secp256k1');

// Generate a random private key
const privateKey = ec.genKeyPair().getPrivate('hex');

// Convert the private key to a BitcoinJS keypair
const keyPair = bitcoin.ECPair.fromPrivateKey(Buffer.from(privateKey, 'hex'));

// Get the public key and convert it to a bech32 address
const publicKey = keyPair.publicKey;
const publicKeyHash = bitcoin.crypto.hash160(publicKey);
const address = bitcoin.payments.p2wpkh({ pubkey: publicKey, hash: publicKeyHash }).address;

console.log('Private key: ', privateKey);
console.log('Bech32 address: ', address);