Handlebars.js - Gravatar thumbnail #handlebars #cc

handlebars.gravatar.js

// Handlebars.js - Gravatar thumbnail
// Usage: {{#gravatar email size="64"}}{{/gravatar}}
// Thanks: @tracend
import crypto from 'crypto';
import Handlebars from 'handlebars/runtime';

Handlebars.registerHelper('gravatar', (context, options) => {
  const email = context;
  const size = (typeof (options.hash.size) === 'undefined') ? 32 : options.hash.size;
  const hash = crypto.createHash('md5').update(email).digest('hex');

  return `https://www.gravatar.com/avatar/${hash}?s=${size}`;
});