Class Sass::Tree::MixinNode
In: lib/sass/tree/mixin_node.rb
Parent: Node
Haml::Util Engine Color SyntaxError UnitConversionError StandardError Node Operation Literal UnaryOperation Funcall Variable Number String Bool EvaluationContext Node\n[lib/sass/css.rb\nlib/sass/tree/node.rb] DebugNode IfNode CommentNode ForNode MixinNode VariableNode ImportNode WhileNode MixinDefNode Repl CSS Environment Lexer Parser PropNode\n[lib/sass/css.rb\nlib/sass/tree/prop_node.rb] DirectiveNode\n[lib/sass/css.rb\nlib/sass/tree/directive_node.rb] RuleNode\n[lib/sass/css.rb\nlib/sass/tree/rule_node.rb] Rack lib/sass/repl.rb lib/sass/css.rb lib/sass/environment.rb lib/sass/error.rb lib/sass/engine.rb lib/sass/script/lexer.rb lib/sass/script/color.rb lib/sass/script/string.rb lib/sass/script/unary_operation.rb lib/sass/script/variable.rb lib/sass/script/funcall.rb lib/sass/script/operation.rb lib/sass/script/bool.rb lib/sass/script/parser.rb lib/sass/script/literal.rb lib/sass/script/node.rb lib/sass/script/number.rb lib/sass/script/functions.rb Functions Script Files lib/sass/tree/while_node.rb lib/sass/tree/if_node.rb lib/sass/tree/mixin_def_node.rb lib/sass/tree/debug_node.rb lib/sass/tree/for_node.rb lib/sass/tree/import_node.rb lib/sass/tree/prop_node.rb lib/sass/tree/node.rb lib/sass/tree/comment_node.rb lib/sass/tree/mixin_node.rb lib/sass/tree/directive_node.rb lib/sass/tree/rule_node.rb lib/sass/tree/variable_node.rb Tree lib/sass/plugin/rack.rb Plugin Sass dot/m_54_0.png

A dynamic node representing a mixin include.

@see Sass::Tree

Methods

_perform   new  

Public Class methods

@param name [String] The name of the mixin @param args [Array<Script::Node>] The arguments to the mixin

[Source]

    # File lib/sass/tree/mixin_node.rb, line 10
10:     def initialize(name, args)
11:       @name = name
12:       @args = args
13:       super()
14:     end

Protected Instance methods

Runs the mixin.

@param environment [Sass::Environment] The lexical environment containing

  variable and mixin values

@return [Array<Tree::Node>] The resulting static nodes @raise [Sass::SyntaxError] if there is no mixin with the given name @raise [Sass::SyntaxError] if an incorrect number of arguments was passed @see Sass::Tree

[Source]

    # File lib/sass/tree/mixin_node.rb, line 26
26:     def _perform(environment)
27:       raise Sass::SyntaxError.new("Undefined mixin '#{@name}'.", @line) unless mixin = environment.mixin(@name)
28: 
29:       raise Sass::SyntaxError.new("Mixin \#{@name} takes \#{mixin.args.size} argument\#{'s' if mixin.args.size != 1}\n but \#{@args.size} \#{@args.size == 1 ? 'was' : 'were'} passed.\n".gsub("\n", "")) if mixin.args.size < @args.size
30: 
31:       environment = mixin.args.zip(@args).
32:         inject(Sass::Environment.new(mixin.environment)) do |env, ((var, default), value)|
33:         env.set_local_var(var.name,
34:           if value
35:             value.perform(environment)
36:           elsif default
37:             default.perform(env)
38:           end)
39:         raise Sass::SyntaxError.new("Mixin #{@name} is missing parameter #{var.inspect}.") unless env.var(var.name)
40:         env
41:       end
42:       mixin.tree.map {|c| c.perform(environment)}.flatten
43:     end

[Validate]