api_client_js/index.html at pure_js · ThisIsCodeCommunity/api_client_js · GitHub

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<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>Contact API Client</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/4.0.11/handlebars.js"></script>
</head>

<body>

  <h1>Contact</h1>
  <div id="contacts">

  </div>

</body>

<script id="entry-template" type="text/x-handlebars-template">
  {{#each contacts as |contact|}}
    <h2>{{contact.attributes.name}}</h2>
    <img src="https://avatars.io/twitter/{{contact.attributes.twitter}}"/>
  {{/each}}
</script>

<script type="text/javascript">
  document.addEventListener('DOMContentLoaded', function() {
    loadContacts('https://ca-address-book.herokuapp.com/api/contacts')
      .then(function(response) {
        console.log(response);
        renderContacts(response)
      })
  })

  function loadContacts(url) {
    return new Promise(function(resolve) {
      fetch(url)
        .then(function(response) {
          resolve(response.json())
        })
    })
  }

  function renderContacts(contacts) {
    var context = {contacts: contacts.data}
    var source   = document.getElementById("entry-template").innerHTML;
    var template = Handlebars.compile(source);
    var html = template(context)
    var element = document.getElementById('contacts')
    element.innerHTML += html


  }
</script>

</html>