Adding optgroup elements to a "has taxonomy term (with depth)" exposed filter on a Drupal 9/10 view (for sharing on Drupal issue #2384203).
Screenshot of what the select with optgroup looks like on our site, edited for length:
Select with optgroup HTML:
<select data-drupal-selector="edit-unique-category-depth-filter" id="edit-unique-category-depth-filter" name="unique_category_depth_filter" class="form-select">
<option value="All" selected="selected">- Any -</option>
| CKEDITOR.addTemplates( 'default', { | |
| // The templates definitions. | |
| templates: [{ | |
| title: "Two Column Section", | |
| html: '<div class="two-col padded"><div><p>Column One</p></div><div><p>Column Two</p></div></div><p></p>' | |
| }, { | |
| title: "Blockquote with Citation Footer", | |
| html: '<blockquote><p>The <code>blockquote</code> element represents content that is quoted from another source, optionally with a citation which must be within a <code>footer</code> or <code>cite</code> element, and optionally with in-line changes such as annotations and abbreviations.</p><p>Content inside a <code>blockquote</code> other than citations and in-line changes must be quoted from another source, whose address, if it has one, may be cited in the cite attribute.</p><footer><cite><a href="http://www.w3.org/html/wg/drafts/html/master/semantics.html#the-blockquote-element">4.4.4 The blockquote element</a> - W3C Working Group, 2013</cite></footer></blockquote>' | |
| }, { | |
| title: "Panel Div", |
| ✘ 16:58:46 alison@alison: ~/workspace/cdd8[bu-su]$ terminus auth:whoami | |
| alison@cornell.edu | |
| ✔ 17:40:51 alison@alison: ~/workspace/cdd8[bu-su]$ git checkout startup | |
| Switched to branch 'startup' | |
| Your branch is up-to-date with 'origin/startup'. | |
| ✔ 17:41:15 alison@alison: ~/workspace/cdd8[startup]$ terminus build-env:create-project prup-cdd8 | |
| Please generate a GitHub personal access token by visiting the page: | |
| https://github.com/settings/tokens |