Decode, reuse, and visualize a JWT in Postman

PostmanDecodeJWT.js

var jsonData = pm.response.json();
pm.environment.set("jwt", jsonData.access_token);

 function parseJwt (token,part) {
   var base64Url = token.split('.')[part];
   var words = CryptoJS.enc.Base64.parse(base64Url);
   var jsonPayload = CryptoJS.enc.Utf8.stringify(words);
   return  JSON.parse(jsonPayload);
};

var jwtInfo ={};
jwtInfo.size = jsonData.access_token.length;
jwtInfo.header = parseJwt(jsonData.access_token,0);
jwtInfo.payload = parseJwt(jsonData.access_token,1);
jwtInfo.signature = jsonData.access_token.split('.')[2];
jwtInfo.expires = ((jwtInfo.payload.exp-Date.now().valueOf()/1000)/60).toFixed(1);
console.log(jwtInfo);

var template = `
<b>JWT  Size:{{response.size}}Bytes. Expires in {{response.expires}} minutes</b><br>
<b>Header </b>
    <table>
        <tr><th>Property</th><th>Value</th></tr>
        {{#each response.header}}
            <tr><td>{{@key}}</td><td>{{.}}</td></tr>
        {{/each}}
    </table>
<b>Payload</b>
    <table>
        <tr><th>Property</th><th>Value</th></tr>
        {{#each response.payload}}
            <tr><td>{{@key}}</td><td>{{.}}</td></tr>
        {{/each}}
    </table>
 <b>Claims</b>
    <table bgcolor="#FFFFFF">
        <tr><th>Claim</th><th>Value</th></tr>
        {{#each response.payload.Claims}}
            <tr>
                {{#each this}}
                    <td>{{.}}</td>       
                {{/each}}
            </tr>
        {{/each}}
    </table>
  <i>signature:{{response.signature}}</i>
`;
pm.visualizer.set(template, {response: jwtInfo});