method

only_child

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: HTML::Selector

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What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v4.1.8) is shown here.

only_child(of_type) protected

Creates a only child lambda. Pass of-type to only look at elements of its type.

Show source

# File actionview/lib/action_view/vendor/html-scanner/html/selector.rb, line 774
    def only_child(of_type)
      lambda do |element|
        # Element must be inside parent element.
        return false unless element.parent && element.parent.tag?
        name = of_type ? element.name : nil
        other = false
        for child in element.parent.children
          # Skip text nodes/comments.
          if child.tag? && (name == nil || child.name == name)
            unless child.equal?(element)
              other = true
              break
            end
          end
        end
        !other
      end
    end

only_child

Related methods

Method deprecated or moved

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