connect.js

function user(uuid) {
  let headers = new Headers({
   'Accept': 'application/json'
  })

  let request = new Request('https://connect.symfony.com/api/users/' + uuid, {
    method: 'GET',
    headers: headers,
    mode: 'cors',
    cache: 'default' 
  })
  
  return fetch(request).then(response => response.json()).then(user => {
    let data = {
      'name': user.name,
      'username': user.username,
      'dashboard': 'https://connect.symfony.com/admin/user/' + uuid,
    }
    
    user._links.forEach((link) => {
      if (link.type.startsWith('image')) {
        data.avatar = link.href
      } else if ('text/html' === link.type) {
        data.profile = link.href
      }
    })
    
    return data
  })
}

user('some-uuid').then(user => {
 // user = { name: ..., username: ..., dashboard: ..., avatar: ..., profile: ... }
})