Class: A11y::Lint::SlimNode

Inherits:
Object
  • Object
show all
Defined in:
lib/a11y/lint/slim_node.rb

Overview

Wraps a Slim AST s-expression as a queryable node for lint rules.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sexp, line:) ⇒ SlimNode

Returns a new instance of SlimNode.



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# File 'lib/a11y/lint/slim_node.rb', line 9

def initialize(sexp, line:)
  @sexp = sexp
  @line = line
end

Instance Attribute Details

#line ⇒ Object (readonly)

Returns the value of attribute line.



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# File 'lib/a11y/lint/slim_node.rb', line 7

def line
  @line
end

Instance Method Details

#attribute?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/a11y/lint/slim_node.rb', line 24

def attribute?(name)
  attributes.key?(name)
end

#attributes ⇒ Object 



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# File 'lib/a11y/lint/slim_node.rb', line 28

def attributes
  @attributes ||= extract_attributes
end

#children ⇒ Object

Returns direct HTML element children as SlimNode objects. Walks through [:multi] and [:slim, :control] wrappers so that tags nested inside control flow are still treated as direct children. Opaque [:slim, :output] blocks are skipped.



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# File 'lib/a11y/lint/slim_node.rb', line 36

def children
  return [] unless html_tag?

  body = @sexp[4]
  collect_children(body)
end

#ruby_code ⇒ Object 



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# File 'lib/a11y/lint/slim_node.rb', line 18

def ruby_code
  return unless @sexp[0] == :slim && @sexp[1] == :output

  @sexp[3]
end

#tag_name ⇒ Object 



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# File 'lib/a11y/lint/slim_node.rb', line 14

def tag_name
  @sexp[2]
end