class Less::Node::Function
A CSS function, like rgb() or url()
it calls functions from the Functions module
Public Class Methods
new(name, args)
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Calls superclass method
Less::Node::Entity.new
# File lib/less/engine/nodes/function.rb, line 55 def initialize name, args @args = if args.is_a? Array args.map {|e| e.is_a?(Expression) ? e : Expression.new(e, self)} else [args] end super name end
Public Instance Methods
evaluate(context = nil)
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Call the function
If the function isn't found, we just print it out, this is the case for url(), for example,
# File lib/less/engine/nodes/function.rb, line 79 def evaluate context = nil if Functions.available.include? self.to_sym send to_sym, *@args else args = @args.map { |e| e.parent = self.parent e = e.evaluate(context) if e.respond_to?(:evaluate) e.to_css } * ', ' Node::Anonymous.new("#{to_sym}(#{args})") end end
nearest(node)
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# File lib/less/engine/nodes/function.rb, line 69 def nearest node parent.nearest node end
to_css(env = nil)
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# File lib/less/engine/nodes/function.rb, line 65 def to_css env = nil self.evaluate(env).to_css end