gist overviewing methods under jsonwebtoken to generate and verify jwts

jwtAuthenticate.js

// we are going to explore jsonwebtoken methods

const jwt = require("jsonwebtoken")

const myFunction = async () => {
  const token = jwt.sign({ _id: "abcdefg" }, "anysecretkey", {
    expiresIn: "10 seconds"
  })
  
  console.log(token)
  // eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiJhYmMxMjMiLCJpYXQiOjE1ODI1NjA4MzMsImV4cCI6MTU4MjU2MDgzOH0.KCjzcuHyg0VS-GVN8OnE_jqTh3LtixMGM3iqjUfeZoI
  
  const data = jwt.verify(token, "anysecretkey") 
  console.log(data)
  // { _id: 'abc123', iat: 1582560833, exp: 1582560838 }
  
}

myFunction();