drupal-erable/web/themes/erabletheme/erabletheme.theme

<?php

/**
 * @file
 * Functions to support theming in the erabletheme theme.
 */

/**
 * Implements hook_preprocess_HOOK() for html.html.twig.
 */
function erabletheme_preprocess_html(&$variables) {

}

/**
 * Implements hook_preprocess_HOOK() for page.html.twig.
 */
function erabletheme_preprocess_page(&$variables) {

}

/**
 * Implements hook_preprocess_HOOK() for node.html.twig.
 */
function erabletheme_preprocess_node(&$variables) {
  $t = "t";
}

/**
 * Implements hook_preprocess_HOOK() for node.html.twig.
 */
function erabletheme_preprocess_form(&$variables) {
  $t="t";
}

function erabletheme_preprocess_region(&$variables) {
  $t="t";
}

function erabletheme_preprocess_views_view(&$variables) {
  $t="t";
}

/* fonctionne mais meilleure méthode avec les suggestions page--xxx */

function erabletheme_theme_suggestions_views_view_alter(array &$suggestions, array $variables) {
  if ($variables['title'] !== "") {
    $view = $variables['title']['#markup'];
    if (isset($view) && $view === 'Actualités') {
      $suggestions[] = 'views_view__page_actus';
    } elseif (isset($view) && $view === 'Gouvernance') {
      $suggestions[] = 'views_view__content_gouvernance';
    } elseif (isset($view) && $view === 'Partenaires') {
      $suggestions[] = 'views_view__content_partenaires';
    } elseif (isset($view) && $view === 'Meetup en ligne') {
      $suggestions[] = 'views_view__content_meetup';
    }
  }
}

function erabletheme_theme_suggestions_node_alter(array &$suggestions, array $variables) {
  $is_actu = isset($variables['elements']['field_type_d_actualite']);

  if (!$is_actu && isset($variables['elements']['#title'])) {
    $total_title = $variables['elements']['#title'];
    $start_pos = strpos($total_title, '<span>') + strlen('<span>');
    $end_pos = strpos($total_title, '</span>');
    $processed_title = substr($total_title, $start_pos, $end_pos - $start_pos);

    if ($processed_title !== 'Partenaires' || $processed_title !== 'Gouvernance') {
      $suggestions[] = 'node__content_global';
    }

  }
}

function erabletheme_theme_suggestions_region_alter(array &$suggestions, array $variables) {
  if (isset($variables['elements']['erabletheme_contenudelapageprincipale']) && $variables['elements']['erabletheme_contenudelapageprincipale']['content']['#title'] == "Meet-up en ligne") {
    $suggestions[] = 'region__offre_meetup';
  } elseif (isset($variables['elements']['erabletheme_contenudelapageprincipale']) && $variables['elements']['erabletheme_contenudelapageprincipale']['content']['#title'] == "Foire aux Questions") {
    $suggestions[] = 'region__faq';
  }
}