Class: ERBLint::Linters::GitHub::Accessibility::NoAriaLabelMisuse

Inherits:
Linter
  • Object
show all
Includes:
CustomHelpers, LinterRegistry
Defined in:
lib/erblint-github/linters/github/accessibility/no_aria_label_misuse.rb

Constant Summary collapse

GENERIC_ELEMENTS = 
%w[span div].freeze
NAME_RESTRICTED_ELEMENTS = 
%w[h1 h2 h3 h4 h5 h6 strong i p b code].freeze
ROLES_WHICH_CANNOT_BE_NAMED =

w3c.github.io/aria/#namefromprohibited

%w[caption code definition deletion emphasis insertion mark none paragraph presentation strong subscript suggestion superscript term time].freeze
MESSAGE = 
"[aria-label] and [aria-labelledby] usage are only reliably supported on interactive elements and a subset of ARIA roles"

Constants included from CustomHelpers

CustomHelpers::INTERACTIVE_ELEMENTS

Instance Method Summary collapse

Methods included from CustomHelpers

#basic_conditional_code_check, #counter_correct?, #focusable?, #generate_offense, #generate_offense_from_source_range, #possible_attribute_values, #simple_class_name, #tags

Instance Method Details

#run(processed_source) ⇒ Object 



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# File 'lib/erblint-github/linters/github/accessibility/no_aria_label_misuse.rb', line 21

def run(processed_source)
  tags(processed_source).each do |tag|
    next if tag.closing?
    next unless possible_attribute_values(tag, "aria-label").present? || possible_attribute_values(tag, "aria-labelledby").present?

    if NAME_RESTRICTED_ELEMENTS.include?(tag.name)
      generate_offense(self.class, processed_source, tag)
    elsif GENERIC_ELEMENTS.include?(tag.name)
      role = possible_attribute_values(tag, "role")
      if role.present?
        generate_offense(self.class, processed_source, tag) if ROLES_WHICH_CANNOT_BE_NAMED.include?(role.join)
      else
        generate_offense(self.class, processed_source, tag)
      end
    end
  end
end