Historically, Drupal theme developers relied on sub-theming Classy or Stable to jumpstart their work. Drupal 10 completely changes this paradigm with the introduction of the Starterkit Theme engine.
Modernizing Drupal 10 theme development marks a shift from monolithic, backend-heavy styling to a component-driven, frontend-first approach. By leveraging new core tools like the and Single Directory Components (SDC) , developers can create faster, more maintainable websites that align with modern web standards. 1. Bootstrapping with the Starterkit Theme modernizing drupal 10 theme development pdf
// vite.config.js export default root: 'web/themes/custom/my_theme', build: rollupOptions: input: main: 'web/themes/custom/my_theme/src/main.js', editor: 'web/themes/custom/my_theme/src/editor.js', , output: dir: 'web/themes/custom/my_theme/dist', , , , server: origin: 'https://my-d10-site.ddev.site', port: 3000, , ; backend-heavy styling to a component-driven