必需文件
- rails
- action_controller/railtie
- active_job/railtie
- active_record/railtie
- active_storage
- active_storage/previewer/poppler_pdf_previewer
- active_storage/previewer/mupdf_previewer
- active_storage/previewer/video_previewer
- active_storage/analyzer/image_analyzer
- active_storage/analyzer/image_analyzer/image_magick
- active_storage/analyzer/image_analyzer/vips
- active_storage/analyzer/video_analyzer
- active_storage/analyzer/audio_analyzer
- active_storage/service/registry
- active_storage/reflection
- active_storage/attached
命名空间
- MODULE ActionView
- MODULE ActionView::Helpers
- MODULE ActiveRecord
- MODULE ActiveStorage
- MODULE ActiveSupport
- CLASS ActiveStorage::Analyzer
- CLASS ActiveStorage::Analyzer::ImageAnalyzer