GotenbergClient/html-viewer-local.html at main · TandyColorComputer3/GotenbergClient · GitHub

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<!doctype html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>Ace HTML Editor</title>

    <!-- Ace core + HTML mode + Monokai theme -->
    <script src="ace.js"></script>
    <script src="mode-html.js"></script>
    <script src="theme-monokai.js"></script>

    <!-- js-beautify for HTML -->
    <script src="beautify-html.min.js"></script>

    <style>
      html, body {
        margin: 0;
        padding: 0;
        height: 100%;
        overflow: hidden;
        background: #1e1e1e;
      }
      #editor {
        position: absolute;
        inset: 0;
        font-size: 13px;
      }
    </style>
  </head>
  <body>
    <div id="editor"></div>

    <script>
      // Global editor object that Swift talks to via evaluateJavaScript
      window.editor = ace.edit("editor");
      editor.setTheme("ace/theme/monokai");
      editor.session.setMode("ace/mode/html");
      editor.setOptions({
        wrap: true,
        useSoftTabs: true,
        tabSize: 2,
        showPrintMargin: false
      });

      window.showFind = function () {
        ace.config.loadModule("ace/ext/searchbox", function () {
          editor.execCommand("find");
        });
      };

        // Notify Swift on each change
        editor.session.on('change', function () {
          if (window.webkit &&
              window.webkit.messageHandlers &&
              window.webkit.messageHandlers.htmlChanged) {
            window.webkit.messageHandlers.htmlChanged.postMessage(editor.getValue());
          }
        });
      </script>
      // Optional: beautify the current buffer
      function beautifyCurrentHTML() {
        try {
          var pretty = html_beautify(editor.getValue(), {
            indent_size: 2,
            wrap_line_length: 120
          });
          editor.setValue(pretty, -1);
        } catch (e) {
          // ignore beautify errors, keep raw content
        }
      }
    </script>
  </body>
</html>