Problem/Motivation
(I'm not sure where to put this, component wise.)
Here is my go to configuration when theme building in Drupal:
Turn on Twig debug in sites/default/services.yml:
twig.config:
debug: true
auto_reload: null
cache: true
Disable page, dynamic_page, render cache so I get fresh data as I edit Twig templates:
$settings['container_yamls'][] = DRUPAL_ROOT . '/sites/development.services.yml';
$settings['cache']['bins']['render'] = 'cache.backend.null';
$settings['cache']['bins']['page'] = 'cache.backend.null';
$settings['cache']['bins']['dynamic_page_cache'] = 'cache.backend.null';
Rebuild Drupal cache. Launch Laravel Mix with Browsersync, and go!
The problem is that this is fairly clunky and very backend orientated.
Proposed resolution
Find some way to easily enable faster theme debugging/building mode. Something that could read settings.php setting and tell the container to recompile and set the Twig parameter to debug and auto write the null cache backend.
I think it belongs in settings.php since it's easier to have local overrides there. Drupal doesn't have out-of-the-box local site service definitions.
Remaining tasks
Get DX feedback
User interface changes
API changes
Data model changes
Follow-up issues
#3278887: Update development.services.yml to include twig debug by default