Class: Sass::Tree::WhileNode

Inherits:

Node

• Object
• Node
• Sass::Tree::WhileNode

show all

Defined in:

/var/www/sass-pages/.haml/lib/sass/tree/while_node.rb

Overview

Instance Method Summary

• - (Array<Tree::Node>) _perform(environment) protected Runs the child nodes until the continue expression becomes false.
• - (WhileNode) initialize(expr) constructor A new instance of WhileNode.
• - (Boolean, String) invalid_child?(child) protected Returns an error message if the given child node is invalid, and false otherwise.
• - to_src(tabs, opts, fmt) protected

Methods inherited from Node

#<<, #==, #_cssize, #_to_s, #balance, #check_child!, #children_to_src, #cssize, #cssize!, #dasherize, #do_extend, #each, #invisible?, #perform, #perform!, #perform_children, #run_interp, #selector_to_sass, #selector_to_scss, #selector_to_src, #semi, #style, #to_s, #to_sass, #to_scss

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# File '/var/www/sass-pages/.haml/lib/sass/tree/while_node.rb', line 9

def initialize(expr)
  @expr = expr
  super()
end

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# File '/var/www/sass-pages/.haml/lib/sass/tree/while_node.rb', line 27

def _perform(environment)
  children = []
  new_environment = Sass::Environment.new(environment)
  while @expr.perform(environment).to_bool
    children += perform_children(new_environment)
  end
  children
end

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# File '/var/www/sass-pages/.haml/lib/sass/tree/while_node.rb', line 44

def invalid_child?(child)
  super unless child.is_a?(ExtendNode)
end

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# File '/var/www/sass-pages/.haml/lib/sass/tree/while_node.rb', line 17

def to_src(tabs, opts, fmt)
  "#{'  ' * tabs}@while #{@expr.to_sass(opts)}" + children_to_src(tabs, opts, fmt)
end