Sha256: 30e3d488f62adfa7ed6916e6ef4d784cb3ec5baa9c3cc67ba5dea305707532ee
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Versions: 32
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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
# @see Node#to_src
def to_src(tabs, opts, fmt)
to = @exclusive ? "to" : "through"
"#{' ' * tabs}@for $#{dasherize(@var, opts)} from #{@from.to_sass(opts)} #{to} #{@to.to_sass(opts)}" +
children_to_src(tabs, opts, fmt)
end
# 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 = @to.perform(environment)
from.assert_int!
to.assert_int!
to = to.coerce(from.numerator_units, from.denominator_units)
range = Range.new(from.to_i, to.to_i, @exclusive)
children = []
environment = Sass::Environment.new(environment)
range.each do |i|
environment.set_local_var(@var, Sass::Script::Number.new(i, from.numerator_units, from.denominator_units))
children += perform_children(environment)
end
children
end
end
end
Version data entries
32 entries across 32 versions & 3 rubygems