module.exports = {
name: 'Exactly one main landmark', validate: function($, fail) { var mainLandmarks = $("[role='main']"); var count = mainLandmarks.length; if (count == 0) { fail('Found 0 elements with role="main".'); } else if (count > 1) { fail('Found ' + count + ' elements with role="main":', mainLandmarks); } }
}