CodeMirror_Debugger/index.html at main · hamzask018/CodeMirror_Debugger · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaScript Debugger - CodeMirror</title>
    <link href="codemirror/lib/codemirror.css" rel="stylesheet"/>
    <link href="codemirror/addon/fold/foldgutter.css" rel="stylesheet"/>
    <link href="codemirror/addon/runjs/runjs.css" rel="stylesheet"/>
    <link href="codemirror/addon/debugger/debugger.css" rel="stylesheet"/>
    <link href="codemirror/theme/dracula.css" rel="stylesheet"/>
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: #e8e8e8;
        height: 100vh;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        background: #1e1e2e;
      }

      .container {
        display: flex;
        flex-direction: column;
        height: 100vh;
        background: #1e1e2e;
      }

      .header {
        background: linear-gradient(90deg, #2d2d44 0%, #3d3d5c 100%);
        padding: 16px 24px;
        border-bottom: 2px solid #44475a;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        flex-shrink: 0;
      }

      .header h1 {
        font-size: 20px;
        font-weight: 600;
        color: #bd93f9;
        letter-spacing: 0.5px;
      }

      .main-content {
        display: flex;
        flex: 1;
        overflow: hidden;
        gap: 1px;
        background: #44475a;
      }

      /* ========== LEFT COLUMN - EDITOR ========== */
      .editor-section {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        background: #282a36;
      }

      #editor {
        display: none;
      }

      .CodeMirror {
        font-family: 'Fira Code', 'Courier New', monospace !important;
        font-size: 14px !important;
        background: #282a36 !important;
        color: #f8f8f2 !important;
        flex: 1 !important;
        height: auto !important;
      }

      .CodeMirror-scroll {
        overflow-y: scroll !important;
      }

      /* ========== RIGHT COLUMN ========== */
      .debug-section {
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        background: #1e1e2e;
        border-left: 1px solid #44475a;
      }

      /* ========== DEBUGGER PANEL TOP ========== */
      .debugger-wrapper {
        flex: 1;
        overflow: hidden;
        background: #282a36;
        display: flex;
        flex-direction: column;
      }

      .cm-breakpoint {
        color: #ff5555;
        text-align: center;
        width: 16px;
        cursor: pointer;
        font-size: 14px;
        line-height: 1;
      }

      /* ========== SCROLLBAR STYLING ========== */
      .CodeMirror-scroll::-webkit-scrollbar,
      .output-content::-webkit-scrollbar {
        width: 8px;
      }

      .CodeMirror-scroll::-webkit-scrollbar-track,
      .output-content::-webkit-scrollbar-track {
        background: #21222c;
      }

      .CodeMirror-scroll::-webkit-scrollbar-thumb,
      .output-content::-webkit-scrollbar-thumb {
        background: #44475a;
        border-radius: 4px;
      }

      .CodeMirror-scroll::-webkit-scrollbar-thumb:hover,
      .output-content::-webkit-scrollbar-thumb:hover {
        background: #6272a4;
      }
    </style>
</head>
<body>
    <div class="container">
      <div class="header">
        <h1>🐛 JavaScript Debugger with CodeMirror</h1>
      </div>
      <div class="main-content">
        <!-- LEFT: Editor -->
        <div class="editor-section">
          <textarea id="editor"></textarea>
        </div>

        <!-- RIGHT: Debugger Only -->
        <div class="debug-section">
          <div class="debugger-wrapper" id="debugger-wrapper"></div>
        </div>
      </div>
    </div>

    <script type="module">
        // import ES-module core and expose global for UMD addons
        import CodeMirror from './codemirror/src/codemirror.js';
        window.CodeMirror = CodeMirror;

        // helper to load UMD addon scripts after window.CodeMirror exists
        function loadScript(src){
            return new Promise((resolve, reject) => {
                const s = document.createElement('script');
                s.src = src;
                s.onload = resolve;
                s.onerror = reject;
                document.head.appendChild(s);
            });
        }

        (async () => {
            // load fold addon (UMD) after exposing window.CodeMirror
            await loadScript('codemirror/addon/fold/foldcode.js');
            await loadScript('codemirror/addon/fold/foldgutter.js');
            await loadScript('codemirror/addon/debugger/debugger.js');

            // create editor after addons are loaded
            var editor = CodeMirror.fromTextArea(document.getElementById('editor'), {
                lineNumbers: true,
                lineWrapping: true,
                gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
                foldGutter: true,
                mode: "javascript",
                theme: "dracula",
                debug: true,
                indentUnit: 2,
                tabSize: 2,
                indentWithTabs: false
            });

            // Move debugger panel to the right wrapper
            const debuggerWrapper = document.getElementById('debugger-wrapper');
            setTimeout(() => {
              const debugPanel = document.querySelector('.cm-debug-panel');
              if (debugPanel) {
                debuggerWrapper.appendChild(debugPanel);
              }
            }, 100);

            // Debugger addon handles all breakpoint and debugging functionality
        })();
    </script>
</body>
</html>