junky.github.io/markdown-upload.html at master · junky/junky.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>

    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="description" content="">
    <meta name="author" content="junky">

    <title>junky.github.io - Markdown Upload</title>

    <!-- Bootstrap core CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous">

    <!-- Custom styles for this template -->
    <style>
      body {
        padding-top: 75px;
      }
      #md-content { border: 1px solid #dee2e6; border-radius: .375rem; padding: 1rem; min-height: 300px; background: #fff; }
#md-content:empty::before { content: "Rendered markdown will appear here..."; color: #6c757d; font-style: italic; }
.drop-zone { border: 2px dashed #adb5bd; border-radius: .375rem; padding: 2rem; text-align: center; cursor: pointer; transition: background-color .15s, border-color .15s; }
.drop-zone.dragover { background: #e7f1ff; border-color: #0d6efd; }

    </style>


    <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries -->
    <!--[if lt IE 9]>
      <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
      <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
    <![endif]-->
  </head>

  <body>


      <nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
  <div class="container">
    <a class="navbar-brand" href="#">junky.github.io</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarCollapse">
      <ul class="navbar-nav me-auto mb-2 mb-md-0">
        <li class="nav-item"><a class="nav-link" href="/">Home</a></li>
        <li class="nav-item"><a class="nav-link" href="/noingest.html">No Ingest</a></li>
        <li class="nav-item"><a class="nav-link" href="/xhr-demo.html">XHR</a></li>
        <li class="nav-item"><a class="nav-link" href="/dates.html">Dates</a></li>
        <li class="nav-item"><a class="nav-link" href="/mt.html">MT</a></li>
        <li class="nav-item"><a class="nav-link" href="/markdown.html">Markdown</a></li>
        <li class="nav-item"><a class="nav-link active" aria-current="page" href="/markdown-upload.html">MD Upload</a></li>
        <li class="nav-item"><a class="nav-link" href="/dcs-test.html">DCS Test</a></li>
        <li class="nav-item"><a class="nav-link" href="/swaps.html">Swaps</a></li>
        <li class="nav-item"><a class="nav-link" href="/vue-attributes.html">Vue Attributes</a></li>

      </ul>
    </div>
  </div>
</nav>


    <div class="container">
  <h1>Markdown Upload</h1>
  <p class="text-muted">Select or drop a <code>.md</code> file to render its contents.</p>

  <div class="row g-3 mb-3">
    <div class="col-md-6">
      <label for="md-file" class="form-label">Choose markdown file</label>
      <input type="file" id="md-file" class="form-control" accept=".md,.markdown,text/markdown,text/plain">
    </div>
    <div class="col-md-6 d-flex align-items-end">
      <button id="md-clear" class="btn btn-outline-secondary" type="button">Clear</button>
      <span id="md-filename" class="ms-3 text-muted align-self-center"></span>
    </div>
  </div>

  <div id="md-drop" class="drop-zone mb-3">
    Drop a markdown file here
  </div>

  <div id="md-error" class="alert alert-danger d-none" role="alert"></div>

  <div id="md-content"></div>
</div>

<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dompurify@3.1.6/dist/purify.min.js"></script>
<script>
  (function () {
    const fileInput = document.getElementById('md-file');
    const clearBtn = document.getElementById('md-clear');
    const dropZone = document.getElementById('md-drop');
    const content = document.getElementById('md-content');
    const filenameLabel = document.getElementById('md-filename');
    const errorBox = document.getElementById('md-error');

    function showError(msg) {
      errorBox.textContent = msg;
      errorBox.classList.remove('d-none');
    }

    function clearError() {
      errorBox.textContent = '';
      errorBox.classList.add('d-none');
    }

    function render(text) {
      const html = marked.parse(text);
      content.innerHTML = DOMPurify.sanitize(html);
    }

    function readFile(file) {
      clearError();
      if (!file) return;
      filenameLabel.textContent = file.name;
      const reader = new FileReader();
      reader.onload = function (e) {
        render(e.target.result);
      };
      reader.onerror = function () {
        showError('Failed to read file.');
      };
      reader.readAsText(file);
    }

    fileInput.addEventListener('change', function () {
      readFile(fileInput.files[0]);
    });

    clearBtn.addEventListener('click', function () {
      fileInput.value = '';
      filenameLabel.textContent = '';
      content.innerHTML = '';
      clearError();
    });

    ['dragenter', 'dragover'].forEach(function (evt) {
      dropZone.addEventListener(evt, function (e) {
        e.preventDefault();
        e.stopPropagation();
        dropZone.classList.add('dragover');
      });
    });

    ['dragleave', 'drop'].forEach(function (evt) {
      dropZone.addEventListener(evt, function (e) {
        e.preventDefault();
        e.stopPropagation();
        dropZone.classList.remove('dragover');
      });
    });

    dropZone.addEventListener('drop', function (e) {
      const file = e.dataTransfer.files && e.dataTransfer.files[0];
      if (file) {
        fileInput.value = '';
        readFile(file);
      }
    });

    dropZone.addEventListener('click', function () {
      fileInput.click();
    });
  })();
</script>


    <!-- Bootstrap core JavaScript -->

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz" crossorigin="anonymous"></script>

  </body>
</html>