Simple JWT encoding and verifying with jose library

jwt-encode-decode-with-jose.js

import { TextEncoder } from "util";
import { SignJWT, jwtVerify } from "jose";

const secret = process.env.JWT_SECRET ?? "I like bananas";

const textEncoder = new TextEncoder();
const keyToSignWith = textEncoder.encode(secret);

const jwt = await new SignJWT({
  email: "cool@guy.com"
})
  .setExpirationTime('12h')
  .setProtectedHeader({ alg: "HS256" })
  .sign(keyToSignWith);

console.log("jwt", jwt);

const { payload } = await jwtVerify(jwt, keyToSignWith);

console.log(payload);