Class: ERBLint::Linters::GitHub::Accessibility::NoVisuallyHiddenInteractiveElements

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

Constant Summary collapse

INTERACTIVE_ELEMENTS = 
%w[a button summary select option textarea].freeze
MESSAGE = 
"Avoid visually hidding interactive elements. Visually hiding interactive elements can be confusing to sighted keyboard users as it appears their focus has been lost when they navigate to the hidden element"

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_visually_hidden_interactive_elements.rb', line 16

def run(processed_source)
  visually_hidden = false

  tags(processed_source).each do |tag|
    next if tag.closing?
    classes = possible_attribute_values(tag, "class")
    visually_hidden = true if classes.include?("sr-only")
    next unless classes.include?("sr-only") || visually_hidden
    if INTERACTIVE_ELEMENTS.include?(tag.name)
      generate_offense(self.class, processed_source, tag)
    end
  end
end