Inial implementation for folder opening

script.js

@@ -0,0 +1,58 @@
+/* global window, document */
+
+(function () {
+  'use strict';
+
+  function normalizeToFileUrl(path) {
+    if (!path) return '';
+
+    // already a file URL
+    if (/^file:\/\//i.test(path)) return path;
+
+    // UNC path: \\server\share\path
+    if (/^\\\\/.test(path)) {
+      var p = path.replace(/^\\\\/, '');
+      p = p.replace(/\\/g, '/');
+      return 'file://///' + p;
+    }
+
+    // Windows drive: C:\path\to\file
+    if (/^[a-zA-Z]:\\/.test(path)) {
+      var drive = path[0].toUpperCase();
+      var rest = path.slice(2).replace(/\\/g, '/');
+      return 'file:///' + drive + ':' + rest;
+    }
+
+    // POSIX absolute: /home/user/file
+    if (path[0] === '/') {
+      return 'file://' + path;
+    }
+
+    // Fall back to using the provided string.
+    return path;
+  }
+
+  function onClick(event) {
+    var el = event.target;
+    if (!el || !el.classList || !el.classList.contains('filetools-open')) return;
+
+    var raw = el.getAttribute('data-path') || '';
+    var url = normalizeToFileUrl(raw);
+    console.log('Opening file URL:', url);
+    if (!url) return;
+
+    // Best-effort: browsers may block file:// navigation depending on settings.
+    try {
+      window.open(url, '_blank', 'noopener');
+    } catch (e) {
+      console.error('Failed to open file URL in new tab:', e);
+      try {
+        window.location.href = url;
+      } catch (e2) {
+        console.error('Failed to open file URL:', e2);
+      }
+    }
+  }
+
+  document.addEventListener('click', onClick, false);
+})();