Snippets

Adding a simple "Cancel" button to a form, which points to a route is easy, but you have to know how: $form['actions']['cancel'] = [ '#type' => 'link', '#title' => t('Cancel'), '#attributes' => [ 'class' => [ 'button', 'button--danger',

Are you wondering how to set classes on Drupal 8+'s FAPI checkboxes / radios single options or disable one of them? Let me help you! Checkboxes and Radios Form Elements are implemented similarly in Drupals Form API (FAPI): // Checkboxes:

Drupal Form API doesn't offer a native HTML type="reset" button known from the W3C: https://www.w3.org/TR/2012/WD-html-markup-20121025/input.reset.html So if you ever need one, this might be a good starting point in Drupal 8+: 'reset' => [

How to reload the page after a successful Drupal AJAX Form submit? You many run into this question, for example, if you're using complex AJAX Forms and as a result so many things change, that you need to reload the current page or form

Just some notes on triggering an AJAX Form submit programmatically in Drupal 8+: AJAX properties can be found here, but the list was not complete. Especially useful is to know about ''disable-refocus' => TRUE' property, to prevent from

As it sadly took me some time to find out and it's not very well documented, here's how you close a Drupal 8+ dialog (in this case the Off-Canvas) using JavaScript: Drupal.dialog(document.getElementById('drupal-off-canvas')).close(); You

If you're using the wonderful Drupal Commerce, you may run into situations, where the product prices should not be shown (yet), e.g. if you're just preparing the shop or orders should just be requests first. Sometimes you'd also want to

The Drupal Upgrade Status Module is a super helpful tool to upgrade modules and themes to the next major release of Drupal. Typically in development environments like ddev or other, it's no problem to run the tests in the UI, which can be

In the COOKiES Drupal 8+ module, we had the issue that config entity string translations were not possible with text > 128 characters length: https://www.drupal.org/project/cookies/issues/3327045 The reason for that is in core. Form API

You're running Mink / Webdriver tests (or Drupal 8+) Tests and need to assert expected JavaScript errors? Sounds like an easy task, but doesn't seem very well-supported yet. After playing around a bit, this pattern is what worked best: