| 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 23
23: def _perform(environment)
24: if @guarded && environment.var(@name).nil?
25: environment.set_var(@name, @expr.perform(environment))
26: elsif !@guarded
27: environment.set_var(@name, @expr.perform(environment))
28: end
29:
30: []
31: end