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|
# frozen_string_literal: true
require "rails"
require "view_component/base"
module ViewComponent
class Engine < Rails::Engine # :nodoc:
config.view_component = ViewComponent::Base.config
rake_tasks do
load "view_component/rails/tasks/view_component.rake"
end
initializer "view_component.set_configs" do |app|
options = app.config.view_component
%i[generate preview_controller preview_route show_previews_source].each do |config_option|
options[config_option] ||= ViewComponent::Base.public_send(config_option)
end
options.instrumentation_enabled = false if options.instrumentation_enabled.nil?
options.render_monkey_patch_enabled = true if options.render_monkey_patch_enabled.nil?
options.show_previews = (Rails.env.development? || Rails.env.test?) if options.show_previews.nil?
if options.show_previews
# This is still necessary because when `config.view_component` is declared, `Rails.root` is unspecified.
options.preview_paths << "#{Rails.root}/test/components/previews" if defined?(Rails.root) && Dir.exist?(
"#{Rails.root}/test/components/previews"
)
if options.show_previews_source
require "method_source"
app.config.to_prepare do
MethodSource.instance_variable_set(:@lines_for_file, {})
end
end
end
end
initializer "view_component.enable_instrumentation" do |app|
ActiveSupport.on_load(:view_component) do
if app.config.view_component.instrumentation_enabled.present?
# :nocov:
ViewComponent::Base.prepend(ViewComponent::Instrumentation)
# :nocov:
end
end
end
initializer "view_component.set_autoload_paths" do |app|
options = app.config.view_component
if options.show_previews && !options.preview_paths.empty?
paths_to_add = options.preview_paths - ActiveSupport::Dependencies.autoload_paths
ActiveSupport::Dependencies.autoload_paths.concat(paths_to_add) if paths_to_add.any?
end
end
initializer "view_component.eager_load_actions" do
ActiveSupport.on_load(:after_initialize) do
ViewComponent::Base.descendants.each(&:compile) if Rails.application.config.eager_load
end
end
initializer "view_component.monkey_patch_render" do |app|
next if Rails.version.to_f >= 6.1 || !app.config.view_component.render_monkey_patch_enabled
ActiveSupport.on_load(:action_view) do
require "view_component/render_monkey_patch"
ActionView::Base.prepend ViewComponent::RenderMonkeyPatch
end
ActiveSupport.on_load(:action_controller) do
require "view_component/rendering_monkey_patch"
require "view_component/render_to_string_monkey_patch"
ActionController::Base.prepend ViewComponent::RenderingMonkeyPatch
ActionController::Base.prepend ViewComponent::RenderToStringMonkeyPatch
end
end
initializer "view_component.include_render_component" do |_app|
next if Rails.version.to_f >= 6.1
ActiveSupport.on_load(:action_view) do
require "view_component/render_component_helper"
ActionView::Base.include ViewComponent::RenderComponentHelper
end
ActiveSupport.on_load(:action_controller) do
require "view_component/rendering_component_helper"
require "view_component/render_component_to_string_helper"
ActionController::Base.include ViewComponent::RenderingComponentHelper
ActionController::Base.include ViewComponent::RenderComponentToStringHelper
end
end
initializer "static assets" do |app|
if app.config.view_component.show_previews
app.middleware.use(::ActionDispatch::Static, "#{root}/app/assets/vendor")
end
end
initializer "compiler mode" do |_app|
ViewComponent::Compiler.mode = if Rails.env.development? || Rails.env.test?
ViewComponent::Compiler::DEVELOPMENT_MODE
else
ViewComponent::Compiler::PRODUCTION_MODE
end
end
config.after_initialize do |app|
options = app.config.view_component
if options.show_previews
app.routes.prepend do
preview_controller = options.preview_controller.sub(/Controller$/, "").underscore
get(
options.preview_route,
to: "#{preview_controller}#index",
as: :preview_view_components,
internal: true
)
get(
"#{options.preview_route}/*path",
to: "#{preview_controller}#previews",
as: :preview_view_component,
internal: true
)
end
end
app.executor.to_run :before do
CompileCache.invalidate! unless ActionView::Base.cache_template_loading
end
end
end
end
# :nocov:
unless defined?(ViewComponent::Base)
require "view_component/deprecation"
ViewComponent::Deprecation.warn(
"This manually engine loading is deprecated and will be removed in v3.0.0. " \
'Remove `require "view_component/engine"`.'
)
require "view_component"
end
# :nocov:
|
