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Contents
require 'sass/tree/node'
module Sass::Tree
# A dynamic node representing a Sass `@for` loop.
#
# @see Sass::Tree
class ForNode < Node
# @param var [String] The name of the loop variable
# @param from [Script::Node] The parse tree for the initial expression
# @param to [Script::Node] The parse tree for the final expression
# @param exclusive [Boolean] Whether to include `to` in the loop
# or stop just before
def initialize(var, from, to, exclusive)
@var = var
@from = from
@to = to
@exclusive = exclusive
super()
end
protected
# Runs the child nodes once for each time through the loop,
# varying the variable each time.
#
# @param environment [Sass::Environment] The lexical environment containing
# variable and mixin values
# @return [Array<Tree::Node>] The resulting static nodes
# @see Sass::Tree
def _perform(environment)
from = @from.perform(environment).to_i
to = @to.perform(environment).to_i
range = Range.new(from, to, @exclusive)
children = []
environment = Sass::Environment.new(environment)
range.each do |i|
environment.set_local_var(@var, Sass::Script::Number.new(i))
children += perform_children(environment)
end
children
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems