Class: ElementFactory::HtmlAttributes

Inherits:
Object
  • Object
show all
Defined in:
lib/element_factory/html_attributes.rb

Constant Summary collapse

BOOLEAN_ATTRIBUTES = 
%w(disabled readonly multiple checked autobuffer
autoplay controls loop selected hidden scoped async
defer reversed ismap seemless muted required
autofocus novalidate formnovalidate open pubdate)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ HtmlAttributes

Returns a new instance of HtmlAttributes.



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# File 'lib/element_factory/html_attributes.rb', line 10

def initialize(attributes={})
  @attributes = attributes
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/element_factory/html_attributes.rb', line 8

def attributes
  @attributes
end

Instance Method Details

#boolean_attributes ⇒ Object 



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# File 'lib/element_factory/html_attributes.rb', line 20

def boolean_attributes
  attributes.each_with_object({}) do |(key, value), new_attributes|
    next unless BOOLEAN_ATTRIBUTES.include?(key.to_s)
    new_attributes[key] = key.to_s
  end
end

#data_attributes ⇒ Object 



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# File 'lib/element_factory/html_attributes.rb', line 14

def data_attributes
  (attributes[:data] || {}).each_with_object({}) do |(key,value), new_attributes|
    new_attributes["data-#{key.to_s.dasherize}"] = value
  end
end

#to_s ⇒ Object 



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# File 'lib/element_factory/html_attributes.rb', line 27

def to_s
  attributes = self.attributes
    .merge(data_attributes)
    .merge(boolean_attributes)
    .stringify_keys

  attributes.delete("data")

  attributes.keys.sort.map do |attribute|
    value = ERB::Util.html_escape(attributes[attribute])
    %(#{attribute}="#{value}")
  end.join(" ").html_safe
end