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JavaScript

Babel includes JSX processing.

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HTML

              
                	<blockquote class="twitter-tweet"><p lang="en" dir="ltr">In Soviet Russia, Twitter edits you.</p>&mdash; Kevin Marks (@kevinmarks) <a href="https://twitter.com/kevinmarks/status/1511531902385197062">April 6, 2022</a></blockquote>
	<script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>

	<blockquote class="twitter-tweet"><p lang="en" dir="ltr">Here&#39;s an old example post of mine. Notice how the 2 deleted tweets are blank, making nonsense of the narrative: <a href="https://t.co/6exFMCeS0Y">https://t.co/6exFMCeS0Y</a><br>It first looked like this, then showed deleted ones as HTML, now it&#39;s blobs. <a href="https://t.co/eYw1hx5jYk">pic.twitter.com/eYw1hx5jYk</a></p>&mdash; Kevin Marks (@kevinmarks) <a href="https://twitter.com/kevinmarks/status/1508754959591956481?ref_src=twsrc%5Etfw">March 29, 2022</a></blockquote>
	<script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
              
            
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CSS

              
                
              
            
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JS

              
                document.addEventListener('DOMContentLoaded', () => {
  function loadWidget() {
    script = document.createElement('script')
    script.type = 'text/javascript'
    script.async = false
    script.src = 'https://platform.twitter.com/widgets.js'
    document.getElementsByTagName('head')[0].appendChild(script)
  }

  document.querySelectorAll('.twitter-tweet').forEach(el => {
    // Pevent Twitter from acting on this blockquote until we know if the Tweet exists.
    el.classList.remove('twitter-tweet')

    // Find the URL of the tweet.
    const href = el.querySelector(':scope > a').href

    // If the tweet exists, add the class back and re-fire the Twitter widgets JS.
    fetch('https://stabletweet.markj.workers.dev/exists?url=' + href).then(res => {
      if (res.ok) {
        el.classList.add('twitter-tweet')
        loadWidget()
      }
    })
  })
})
              
            
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