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Contents
module Sass
module Script
# A SassScript parse node representing a variable.
class Variable < Node
# The name of the variable.
#
# @return [String]
attr_reader :name
# @param name [String] See \{#name}
def initialize(name)
@name = name
end
# @return [String] A string representation of the variable
def inspect
"!#{name}"
end
# Evaluates the variable.
#
# @param environment [Sass::Environment] The environment in which to evaluate the SassScript
# @return [Literal] The SassScript object that is the value of the variable
# @raise [Sass::SyntaxError] if the variable is undefined
def perform(environment)
(val = environment.var(name)) && (return val)
raise SyntaxError.new("Undefined variable: \"!#{name}\".")
end
# Returns an empty array.
#
# @return [Array<Node>] empty
# @see Node#children
def children
[]
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems