Class: Sass::Tree::MixinDefNode

Inherits:
Node
  • Object
show all
Defined in:
lib/sass/tree/mixin_def_node.rb

Overview

A dynamic node representing a mixin definition.

See Also:

Instance Attribute Summary

Attributes inherited from Node

#children, #filename, #has_children, #line, #options

Instance Method Summary collapse

Methods inherited from Node

#<<, #==, #_cssize, #_to_s, #balance, #check_child!, #children_to_src, #cssize, #cssize!, #dasherize, #do_extend, #each, #invisible?, #perform, #perform!, #perform_children, #render, #run_interp, #selector_to_sass, #selector_to_scss, #selector_to_src, #semi, #style, #to_s, #to_sass, #to_scss

Constructor Details

#initialize(name, args) ⇒ MixinDefNode

Returns a new instance of MixinDefNode.

Parameters:

  • name (String) —

    The mixin name

  • args (Array<(Script::Node, Script::Node)>) —

    The arguments for the mixin. Each element is a tuple containing the variable for argument and the parse tree for the default value of the argument



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# File 'lib/sass/tree/mixin_def_node.rb', line 11

def initialize(name, args)
  @name = name
  @args = args
  super()
end

Instance Method Details

#_perform(environment) (protected)

Loads the mixin into the environment.

Parameters:

  • environment (Sass::Environment) —

    The lexical environment containing variable and mixin values



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# File 'lib/sass/tree/mixin_def_node.rb', line 42

def _perform(environment)
  environment.set_mixin(@name, Sass::Mixin.new(@name, @args, environment, children))
  []
end

#invalid_child?(child) ⇒ Boolean, String (protected)

Returns an error message if the given child node is invalid, and false otherwise.

ExtendNodes are valid within Sass::Tree::MixinDefNodes.

Parameters:

Returns:

  • (Boolean, String) —

    Whether or not the child node is valid, as well as the error message to display if it is invalid



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# File 'lib/sass/tree/mixin_def_node.rb', line 55

def invalid_child?(child)
  super unless child.is_a?(ExtendNode)
end

#to_src(tabs, opts, fmt) (protected)

See Also:



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# File 'lib/sass/tree/mixin_def_node.rb', line 20

def to_src(tabs, opts, fmt)
  args =
    if @args.empty?
      ""
    else
      '(' + @args.map do |v, d|
        if d
          "#{v.to_sass(opts)}: #{d.to_sass(opts)}"
        else
          v.to_sass(opts)
        end
      end.join(", ") + ')'
    end
        
  "#{'  ' * tabs}#{fmt == :sass ? '=' : '@mixin '}#{dasherize(@name, opts)}#{args}" +
    children_to_src(tabs, opts, fmt)
end