Class | Sass::Tree::VariableNode |
In: |
lib/sass/tree/variable_node.rb
|
Parent: | Node |
A dynamic node representing a variable definition.
@see Sass::Tree
@param name [String] The name of the variable @param expr [Script::Node] The parse tree for the initial variable value @param guarded [Boolean] Whether this is a guarded variable assignment (`||=`)
# File lib/sass/tree/variable_node.rb, line 10 10: def initialize(name, expr, guarded) 11: @name = name 12: @expr = expr 13: @guarded = guarded 14: super() 15: end
Loads the new variable value into the environment.
@param environment [Sass::Environment] The lexical environment containing
variable and mixin values
# File lib/sass/tree/variable_node.rb, line 28 28: def _perform(environment) 29: return [] if @guarded && !environment.var(@name).nil? 30: val = @expr.perform(environment) 31: if @expr.context == :equals && val.is_a?(Sass::Script::String) 32: val = Sass::Script::String.new(val.value) 33: end 34: environment.set_var(@name, val) 35: [] 36: end
@see Node#to_src
# File lib/sass/tree/variable_node.rb, line 20 20: def to_src(tabs, opts, fmt) 21: "#{' ' * tabs}$#{dasherize(@name, opts)}: #{@expr.to_sass(opts)}#{' !default' if @guarded}#{semi fmt}\n" 22: end