Postman / Visualize JWT Token

post-response.js

const { access_token } = pm.response.json();

const jwtToken = JSON.parse(atob(access_token.split('.')[1]));

var template = `
<style type="text/css">
    .tftable {font-size:14px;color:#333333;width:100%;border-width: 1px;border-color: #87ceeb;border-collapse: collapse;}
    .tftable th {font-size:18px;background-color:#87ceeb;border-width: 1px;padding: 8px;border-style: solid;border-color: #87ceeb;text-align:left;}
    .tftable tr {background-color:#ffffff;}
    .tftable td {font-size:14px;border-width: 1px;padding: 8px;border-style: solid;border-color: #87ceeb;}
    .tftable tr:hover {background-color:#e0ffff;}
</style>

<h4>JWT Token</h4>
<table class="tftable" border="1">
    <tr>
        <th>Key</th>
        <th>Value</th>
    </tr>
    {{#each token}}
        <tr>
            <td>{{key}}</td>
            <td>{{value}}</td>
        </tr>
    {{/each}}
</table>

`;

const templateVars = {
    token: Object.keys(jwtToken).map(key => ({
        key,
        value: jwtToken[key],
        ...key === 'iat' && {
            value: new Date(parseInt(jwtToken[key] + '000')).toLocaleString('de-DE')
        },
        ...key === 'exp' && {
            value: new Date(parseInt(jwtToken[key] + '000')).toLocaleString('de-DE')
        }
    }))
};

pm.visualizer.set(template, templateVars);