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Versions: 346
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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
# The underscored name of the variable.
#
# @return [String]
attr_reader :underscored_name
# @param name [String] See \{#name}
def initialize(name)
@name = name
@underscored_name = name.gsub(/-/,"_")
super()
end
# @return [String] A string representation of the variable
def inspect(opts = {})
"$#{dasherize(name, opts)}"
end
alias_method :to_sass, :inspect
# Returns an empty array.
#
# @return [Array<Node>] empty
# @see Node#children
def children
[]
end
# @see Node#deep_copy
def deep_copy
dup
end
protected
# Evaluates the variable.
#
# @param environment [Sass::Environment] The environment in which to evaluate the SassScript
# @return [Literal] The SassScript object that is the value of the variable
# @raise [Sass::SyntaxError] if the variable is undefined
def _perform(environment)
raise SyntaxError.new("Undefined variable: \"$#{name}\".") unless val = environment.var(name)
if val.is_a?(Number)
val = val.dup
val.original = nil
end
return val
end
end
end
end
Version data entries
346 entries across 205 versions & 14 rubygems