storybook-1.x-dev/storybook.services.yml

parameters:
  storybook.development: false
services:
  logger.channel.storybook:
    parent: logger.channel_base
    arguments: ['storybook']

  TwigStorybook\Service\StoryCollector: {}
  TwigStorybook\Service\StoryRenderer:
    arguments:
      - '@TwigStorybook\Service\StoryCollector'
      - '@logger.channel.storybook'
      - '%app.root%'
    calls:
      - ['setTwigEnvironment', ['@twig']]

  TwigStorybook\Twig\TwigExtension:
    arguments:
      - '@TwigStorybook\Service\StoryCollector'
      - '%app.root%'
    tags:
      - { name: twig.extension }

  Drupal\storybook\EventSubscriber\AlterBodySubscriber:
    tags:
      - { name: event_subscriber }

  # Set the theme based on the query string parameter.
  theme.negotiator.storybook:
    class: Drupal\storybook\Theme\StorybookThemeNegotiator
    tags:
      - { name: theme_negotiator, priority: 1000 }
    arguments:
      - '@request_stack'
      - '@theme_handler'

  # Enforces all URL links to be absolute so the iframe works.
  Drupal\storybook\PathProcessor\AbsolutePathProcessor:
    tags:
      - { name: path_processor_outbound, priority: 0 }

  # Enforces all assets to have absolute URLs so the iframe works.
  Drupal\storybook\FileUrlGenerator:
    decorates: file_url_generator
    public: false
    arguments: ['@Drupal\storybook\FileUrlGenerator.inner', '@request_stack']

  # Disables page cache for the endpoint.
  Drupal\storybook\PageCache\DisallowPageCache:
    public: false
    tags:
      - { name: page_cache_request_policy }
    arguments:
      - '%storybook.development%'

  # Decorate the data cache backend to avoid caching on the render route.
  Drupal\storybook\Cache\SkippableBackend:
    decorates: cache.data
    parent: cache.data
    arguments:
      - '@Drupal\storybook\Cache\SkippableBackend.inner'
      - '@request_stack'
      - '%storybook.development%'

  # Decorate the asset resolver, so we can turn off caching and optimization for
  # the render controller.
  Drupal\storybook\Asset\UnoptimizedAssetResolver:
    decorates: 'asset.resolver'
    public: false
    arguments:
      - '@Drupal\storybook\Asset\UnoptimizedAssetResolver.inner'
      - '@request_stack'
      - '%storybook.development%'