https://www.guilfordcountync.gov/modules/custom/nc_table_accessibility/js/default_table_headers.js?tlsexc

1/**
2 * @file
3 * Auto-enables header row on newly inserted CKEditor 5 tables.
4 *
5 * Intercepts editor.execute('insertTable') to inject headingRows: 1,
6 * so every new table starts with a header row (<thead>/<th>).
7 */
8(function () {
9  'use strict';
10
11  // Track editors we've already patched to avoid double-patching.
12  const patched = new WeakSet();
13
14  function patchEditor(editor) {
15    if (patched.has(editor)) {
16      return;
17    }
18    patched.add(editor);
19
20    const originalExecute = editor.execute.bind(editor);
21    editor.execute = function (commandName, ...args) {
22      if (commandName === 'insertTable') {
23        const options = args[0] || {};
24        if (options.headingRows === undefined) {
25          options.headingRows = 1;
26        }
27        args[0] = options;
28      }
29      return originalExecute(commandName, ...args);
30    };
31  }
32
33  // Use a MutationObserver to detect when CKEditor editables appear in the DOM
34  // and patch them as soon as their ckeditorInstance is available.
35  const observer = new MutationObserver(() => {
36    document.querySelectorAll('.ck-editor__editable').forEach((editable) => {
37      if (editable.ckeditorInstance) {
38        patchEditor(editable.ckeditorInstance);
39      }
40    });
41  });
42
43  observer.observe(document.body, { childList: true, subtree: true });
44
45  // Also patch any editors already present.
46  document.querySelectorAll('.ck-editor__editable').forEach((editable) => {
47    if (editable.ckeditorInstance) {
48      patchEditor(editable.ckeditorInstance);
49    }
50  });
51})();