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HTML

              
                <h1>Emojis API Demo</h1>

<p class="info">An example of using the <a href="https://buildkite.com/docs/api/emojis">Buildkite Emojis API</a> to fetch an account’s list of emojis and then emojify a paragraph of text.</p>

<div class="demo">
  <p class="source">Let’s :rocket: all the :ruby: :package: after :bundler: and :postgres: finish building!</p>
  <p class="result loading">Loading emojis...</p>
</div>
              
            
!

CSS

              
                body { padding: 1rem 0; max-width: 22em; margin: 0 auto; font: 24px/1.2 Avenir, Helvetica, sans-serif; }
h1, p { margin: 1.5rem 0; }
a { color: #317ef2; }
.demo { font-size: 21px; }
.info, .loading { color: #999; }
img.emoji { max-height: 21px; max-width: 21px; vertical-align: bottom; }
              
            
!

JS

              
                fetchEmojis().then(function(emojis) {
  var source = document.querySelector('.source');
  var result = document.querySelector('.result');

  result.classList.remove('loading');
  result.innerHTML = emojify(source.innerText, emojis);
})

function fetchEmojis() {
  var url = "https://api.buildkite.com/v1/accounts/tim-test-account/emojis?access_token=5a866ae0dfd3b62daac8fdf3f092d5edbe3ee906";
  return window.fetch(url).
    then(function(response) { return response.json() }).
    then(buildEmojiLookupTable);
}

// Replaces all :emoji: in the given text with matching emoji images
function emojify(text, emojis) {
  return text.replace(/:([\w+-]+):/gm, function(original, name) {
    if (emojis[name]) {
      return '<img class="emoji" src="' + emojis[name] + '" alt="' + name + '">';
    } else {
      return original;
    }
  });
}

// Build the emoji data lookup table with alias support
// 'panda_face' => 'https://..'
function buildEmojiLookupTable(json) {
  var emojis = {};
  
  json.forEach(function(emoji) {
    emojis[emoji.name] = emoji.url;

    if (emoji.aliases) {
      emoji.aliases.forEach(function(alias) {
        emojis[alias] = emoji.url;
      });
    }
  });

  return emojis;
}

              
            
!
999px

Console