npm install
npm start

npm install
npm install jwt-decode

npm start

import jwtDecode from "jwt-decode";

const tokenKey = "authToken";

function setJwt(token) {
  localStorage.setItem(tokenKey, token);
}

function getJwt() {
  return localStorage.getItem(tokenKey);
}

function logout() {
  localStorage.removeItem(tokenKey);
}

function getUser() {
  try {
    const jwt = localStorage.getItem(tokenKey);
    return jwtDecode(jwt);
  } catch (ex) {
    console.log(ex);
  }
}