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Altering Views Exposed Form Elements and their Associated Labels

I have a series of Views Exposed Forms across a Drupal 8 website. My goal is to generate unique template suggestions so I can theme each individual input and their labels differently as needed.

Here is my current approach. Placed into theme.theme. I’ve hit a brick wall. 

function HOOK_form_views_exposed_form_alter(array &$form, FormStateInterface $form_state, $form_id) {     $form['#attributes']['twig-suggestion'] = $form['#id']; }  function HOOK_theme_suggestions_input_alter(&$suggestions, array $variables) {     $element = $variables['element'];      if (isset($element['#attributes']['twig-suggestion'])) {       $suggestions[] = 'input__' . $element['#type'] . '__' . $element['#attributes']['twig-suggestion'];     } }  function HOOK_theme_suggestions_form_element_label_alter(&$suggestions, &$variables, $hook) {     $element = $variables['element'];      if (isset($element['#attributes']['twig-suggestion'])) {       $suggestions[] = 'label__' . $element['#attributes']['twig-suggestion'];     } }

All input and label [#attributes] are null via Kint.
Here are the URLs I have referenced for background:

1) http://kevinquillen.com/drupal/2017/01/28/adding-twig-template-suggestions-for-form-elements

2) https://www.chapterthree.com/blog/how-to-create-custom-theme-suggestions-drupal-8

3) https://yellowpencil.com/blog/getting-granular-with-drupal-eight-forms/

This article was republished from its original source.
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Altering Views Exposed Form Elements and their Associated Labels

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