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# frozen_string_literal: true
require "rails"
require "view_component/config"
require "view_component/deprecation"
module ViewComponent
class Engine < Rails::Engine # :nodoc:
config.view_component = ViewComponent::Config.current
initializer "view_component.set_configs" do |app|
options = app.config.view_component
%i[generate previews].each do |config_option|
options[config_option] ||= ViewComponent::Base.public_send(config_option)
end
options.instrumentation_enabled = false if options.instrumentation_enabled.nil?
options.previews.enabled = (Rails.env.development? || Rails.env.test?) if options.previews.enabled.nil?
if options.previews.enabled
# This is still necessary because when `config.view_component` is declared, `Rails.root` is unspecified.
options.previews.paths << "#{Rails.root}/test/components/previews" if defined?(Rails.root) && Dir.exist?(
"#{Rails.root}/test/components/previews"
)
end
end
initializer "view_component.enable_instrumentation" do |app|
ActiveSupport.on_load(:view_component) do
if app.config.view_component.instrumentation_enabled.present?
ViewComponent::Base.prepend(ViewComponent::Instrumentation)
end
end
end
initializer "view_component.set_autoload_paths" do |app|
options = app.config.view_component
if options.previews.enabled && !options.previews.paths.empty?
paths_to_add = options.previews.paths - ActiveSupport::Dependencies.autoload_paths
ActiveSupport::Dependencies.autoload_paths.concat(paths_to_add) if paths_to_add.any?
end
end
initializer "view_component.propshaft_support" do |_app|
ActiveSupport.on_load(:view_component) do
if defined?(Propshaft)
include Propshaft::Helper
end
end
end
config.after_initialize do |app|
ActiveSupport.on_load(:view_component) do
if defined?(Sprockets::Rails)
include Sprockets::Rails::Helper
# Copy relevant config to VC context
# See: https://github.com/rails/sprockets-rails/blob/266ec49f3c7c96018dd75f9dc4f9b62fe3f7eecf/lib/sprockets/railtie.rb#L245
self.debug_assets = app.config.assets.debug
self.digest_assets = app.config.assets.digest
self.assets_prefix = app.config.assets.prefix
self.assets_precompile = app.config.assets.precompile
self.assets_environment = app.assets
self.assets_manifest = app.assets_manifest
self.resolve_assets_with = app.config.assets.resolve_with
self.check_precompiled_asset = app.config.assets.check_precompiled_asset
self.unknown_asset_fallback = app.config.assets.unknown_asset_fallback
# Expose the app precompiled asset check to the view
self.precompiled_asset_checker = ->(logical_path) { app.asset_precompiled? logical_path }
end
end
end
initializer "view_component.eager_load_actions" do
ActiveSupport.on_load(:after_initialize) do
ViewComponent::Base.descendants.each(&:__vc_compile) if Rails.application.config.eager_load
end
end
initializer "compiler mode" do |_app|
ViewComponent::Compiler.__vc_development_mode = (Rails.env.development? || Rails.env.test?)
end
config.after_initialize do |app|
options = app.config.view_component
if options.previews.enabled
app.routes.prepend do
preview_controller = options.previews.controller.sub(/Controller$/, "").underscore
get(
options.previews.route,
to: "#{preview_controller}#index",
as: :preview_view_components,
internal: true
)
get(
"#{options.previews.route}/*path",
to: "#{preview_controller}#previews",
as: :preview_view_component,
internal: true
)
end
end
if Rails.env.test?
app.routes.prepend do
get("_system_test_entrypoint", to: "view_components_system_test#system_test_entrypoint")
end
end
app.executor.to_run :before do
CompileCache.invalidate! unless ActionView::Base.cache_template_loading
end
end
end
end
|
