Module: React::Rails::ViewHelper

Defined in:
lib/react/rails/view_helper.rb

Instance Method Summary collapse

Instance Method Details

#react_component(name, props = {}, options = {}, &block) ⇒ Object

Render a UJS-type HTML tag annotated with data attributes, which are used by react_ujs to actually instantiate the React component on the client.



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# File 'lib/react/rails/view_helper.rb', line 7

def react_component(name, props = {}, options = {}, &block)
  options = {:tag => options} if options.is_a?(Symbol)

  prerender_options = options[:prerender]
  if prerender_options
    block = Proc.new{ concat React::ServerRendering.render(name, props, prerender_options) }
  end

  html_options = options.reverse_merge(:data => {})
  html_options[:data].tap do |data|
    data[:react_class] = name
    data[:react_props] = (props.is_a?(String) ? props : props.to_json)
  end
  html_tag = html_options[:tag] || :div

  # remove internally used properties so they aren't rendered to DOM
  html_options.except!(:tag, :prerender)

  content_tag(html_tag, '', html_options, &block)
end