28 lines
554 B
Ruby
28 lines
554 B
Ruby
require 'sass/tree/node'
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module Sass::Tree
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class IfNode < Node
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attr_accessor :else
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def initialize(expr, options)
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@expr = expr
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@last_else = self
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super(options)
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end
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def add_else(node)
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@last_else.else = node
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@last_else = node
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end
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protected
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def _perform(environment)
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environment = Sass::Environment.new(environment)
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return perform_children(environment) if @expr.nil? || @expr.perform(environment).to_bool
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return @else.perform(environment) if @else
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[]
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end
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end
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end
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