Module: JavascriptFeatures::Helper

Included in:
TestCase
Defined in:
lib/javascript_features/helper.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(controller) ⇒ Object 



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# File 'lib/javascript_features/helper.rb', line 4

def self.included(controller)
  controller.helper_method :use_javascript_for, :use_javascript_for?, :javascript_feature_classes, :include_javascript_features if controller.respond_to? :helper_method
end

Instance Method Details

#include_javascript_features(package = 'main') ⇒ Object 



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# File 'lib/javascript_features/helper.rb', line 22

def include_javascript_features(package = 'main')
  query = Compiler.package_modified_time(package).to_i
  tag = %Q{<script type="text/javascript" src="/javascripts/packaged/#{package}.js?#{query}"></script>}
  if tag.respond_to?(:html_safe)
    tag.html_safe
  else
    tag
  end
end

#javascript_feature_classes ⇒ Object 



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# File 'lib/javascript_features/helper.rb', line 18

def javascript_feature_classes
  (@javascript_features || []).uniq.map{ |feature| "with-js-#{feature}" }.join(" ")
end

#use_javascript_for(*features) ⇒ Object 



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# File 'lib/javascript_features/helper.rb', line 8

def use_javascript_for(*features)
  @javascript_features ||= []
  @javascript_features += features.map{|f| f.to_s.downcase }
  response.headers['X-JavascriptFeatures-Init'] = @javascript_features.uniq.join(' ') if request && request.xhr?
end

#use_javascript_for?(feature) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/javascript_features/helper.rb', line 14

def use_javascript_for?(feature)
  @javascript_features.include?(feature.to_s.downcase)
end