remark-slides/index.html at main · GrahamTheCoder/remark-slides · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Slides</title>
    <meta charset="utf-8">
    <style>
      @import url(https://fonts.googleapis.com/css?family=Yanone+Kaffeesatz);
      @import url(https://fonts.googleapis.com/css?family=Droid+Serif:400,700,400italic);
      @import url(https://fonts.googleapis.com/css?family=Ubuntu+Mono:400,700,400italic);

      body { font-family: 'Droid Serif'; }
      h1, h2, h3 {
        font-family: 'Yanone Kaffeesatz';
        font-weight: normal;
      }
      .remark-code, .remark-inline-code { font-family: 'Ubuntu Mono'; }
    </style>
  </head>
  <body>
    <textarea id="source" style="width: 100%; height: 400px;" placeholder="Drag and drop a markdown file, or paste or markdown text here..."></textarea>

    <button id="start-slideshow">Start Slideshow</button>
    <script src="https://remarkjs.com/downloads/remark-latest.min.js"></script>
    <script>
      // Drag-and-drop support for markdown files
      const textarea = document.getElementById('source');
      textarea.addEventListener('dragover', function(e) {
        e.preventDefault();
        textarea.style.border = '2px dashed #888';
      });
      textarea.addEventListener('dragleave', function(e) {
        textarea.style.border = '';
      });
      textarea.addEventListener('drop', function(e) {
        e.preventDefault();
        textarea.style.border = '';
        const file = e.dataTransfer.files[0];
        if (file && file.name.endsWith('.md')) {
          const reader = new FileReader();
          reader.onload = function(evt) {
            textarea.value = evt.target.result;
          };
          reader.readAsText(file);
        } else {
          alert('Please drop a markdown (.md) file.');
        }
      });

      // Start slideshow on button click
      document.getElementById('start-slideshow').onclick = function() {
        var source = textarea.value;
        if (!source.trim()) {
          alert('Please enter or load some markdown first.');
          return;
        }
        // Remove textarea and button, then start slideshow
        textarea.style.display = 'none';
        this.style.display = 'none';
        var slideshow = remark.create({ source: source });
      };
    </script>
  </body>
</html>