ViewComponent helper
ViewComponent helper
Used 69 times
S
Scott Barrow
Usage
component :some_awesome_component do |awesome| awesome.slot :slot_one do |slot_one| ... end component :alert, type: 'success' do |alert| component :button, classes: 'justify-end ml-2 items-start' do <span>Submit</span> end component(:button, classes: 'primary') { "Submit" } #inline block requires parens end end
With optional Cache params
component :some_awesome_component, cache: @record do |awesome| awesome.slot :slot_one do |slot_one| ... end component :alert, type: 'success' do |alert| component :button, classes: 'justify-end ml-2 items-start' end end
Run this command in your Rails app directory in the terminal:
rails app:template LOCATION="https://railsbytes.com/script/xjNsDY"
Template Source
Review the code before running this template on your machine.
say "This template creates a helper file and method, choose how to name below..."
helper_name = ask("Helper name e.g. component:") || "component"
create_file 'app/helpers/view_component_helper.rb' do <<-HEREDOC
module ViewComponentHelper
def #{helper_name}(name, context: nil, **args, &block)
cache_keys = Array(args.delete(:cache))
cache_if cache_keys.present?, cache_keys do
return render_component_in(context, name, **args, &block) if context
return render component_class_for(name).new(args), &block
end
end
def render_component_in(context, name, **args, &block)
component_class_for(name).new(args).render_in(context, &block)
end
private
def component_class_for(path)
name, namespace = path.to_s.split('/').reverse
file_name = name + "_component"
component_name = file_name.classify
namespace ||= namespace(file_name)
return (namespace.capitalize + "::" + component_name).constantize unless namespace == 'components'
component_name.constantize
end
def namespace(file_name)
file_path = component_path(file_name)
File.dirname(file_path).split('/').last
end
def component_path(file_name)
Dir.glob(File.join(Rails.root, 'app', 'components', '**', file_name + ".rb")).first
end
end
HEREDOC
end