index.js

import { validateJwt } from "https://deno.land/x/djwt/validate.ts";
import { makeJwt, setExpiration } from "https://deno.land/x/djwt/create.ts";

const expirationMinute = 10;

const key = "dummy_key"

const getTokenExpirationAsMilliseconds = () => {
    return new Date().getTime() + expirationMinute * 60 * 1000;
}

const payload = {
    iss: "dummy_issuer",
    exp: setExpiration(getTokenExpirationAsMilliseconds()),
}

const header = {
    alg: "HS256",
    typ: "JWT",
}

const generateToken = () => {
    return makeJwt({ key, header, payload })
}

const validateToken = (token) => {
    return validateJwt(token, key, { isThrowing: false });
}