A static node reprenting an `@extend` directive.
@see Sass::Tree
Registers this extension in the `extends` subset map.
@param extends [Haml::Util::SubsetMap{Selector::Simple => Selector::Sequence}]
The extensions defined for this tree
@param parent [RuleNode] The parent node of this node @see Node#cssize
# File lib/sass/tree/extend_node.rb, line 23 23: def cssize(extends, parent) 24: @resolved_selector.members.each do |seq| 25: if seq.members.size > 1 26: raise Sass::SyntaxError.new("Can't extend #{seq.to_a.join}: can't extend nested selectors") 27: end 28: 29: sseq = seq.members.first 30: if !sseq.is_a?(Sass::Selector::SimpleSequence) 31: raise Sass::SyntaxError.new("Can't extend #{seq.to_a.join}: invalid selector") 32: end 33: 34: sel = sseq.members 35: parent.resolved_rules.members.each do |seq| 36: if !seq.members.last.is_a?(Sass::Selector::SimpleSequence) 37: raise Sass::SyntaxError.new("#{seq} can't extend: invalid selector") 38: end 39: 40: extends[sel] = seq 41: end 42: end 43: 44: [] 45: end
Runs SassScript interpolation in the selector, and then parses the result into a {Sass::Selector::CommaSequence}.
@param environment [Sass::Environment] The lexical environment containing
variable and mixin values
# File lib/sass/tree/extend_node.rb, line 59 59: def perform!(environment) 60: @resolved_selector = Sass::SCSS::CssParser.new(run_interp(@selector, environment), self.line). 61: parse_selector(self.filename) 62: super 63: end
@see Node#to_src
# File lib/sass/tree/extend_node.rb, line 50 50: def to_src(tabs, opts, fmt) 51: "#{' ' * tabs}@extend #{selector_to_src(@selector, tabs, opts, fmt).lstrip}#{semi fmt}\n" 52: end
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