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# frozen_string_literal: true
module ViewComponent
module Generators
class PreviewGenerator < ::Rails::Generators::NamedBase
source_root File.expand_path("templates", __dir__)
class_option :preview_path, type: :string, desc: "Path for previews, required when multiple preview paths are configured", default: ViewComponent::Base.config.generate.preview_path
argument :attributes, type: :array, default: [], banner: "attribute"
check_class_collision suffix: "ComponentPreview"
def create_preview_file
preview_paths = ViewComponent::Base.config.previews.paths
optional_path = options[:preview_path]
return if preview_paths.count > 1 && optional_path.blank?
path_prefix = if optional_path.present?
optional_path
else
preview_paths.one? ? preview_paths.first : "test/components/previews"
end
template "component_preview.rb", File.join(path_prefix, class_path, "#{file_name}_component_preview.rb")
end
private
def file_name
@_file_name ||= super.sub(/_component\z/i, "")
end
def render_signature
return if attributes.blank?
attributes.map { |attr| %(#{attr.name}: "#{attr.name}") }.join(", ")
end
end
end
end
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