“It works, but it’s slow, insecure, and a nightmare to maintain,” sighed Alex. “I need to modernize.”
Alex especially loved (new in Drupal 10): modernizing drupal 10 theme development pdf
php core/scripts/drupal generate-theme my_modern_theme It generates a minimal, accessible, modern theme with SDC structure out of the box. The PDF emphasized: Stop thinking “pages”, start thinking “components” . “It works, but it’s slow, insecure, and a
| Old Theme Feature | Modern Drupal 10 Replacement | |------------------|-------------------------------| | theme() function | Twig templates + hook_theme() for custom suggestions | | CSS sprites | SVG icons system + % include '@mytheme/icon.svg.twig' % | | Media queries breakpoints | breakpoints.yml + responsive image styles | | Custom grid system | CSS Grid + clamp() for fluid typography | | Manual cache busting | version: VERSION or version: 1.0.0 in libraries.yml | | Old Theme Feature | Modern Drupal 10
And Alex smiled, closing the PDF with one final note highlighted in yellow: “Modern Drupal 10 theme development isn’t about fighting Drupal – it’s about embracing components, modern CSS/JS, and the tooling you already love.” While the above is an original story, for a real-world downloadable PDF, search Drupal.org’s documentation, or look for “Drupal 10 Theming Guide” by the Drupal Community Documentation team. Many contributors have published free PDF versions of their handbooks.
Alex refactored a messy “Latest News” block into a reusable component:
themes/custom/my_modern_theme/components/news-teaser/