setup-a11y-global-hooks.js

import { _registerHook } from '@ember/test-helpers';
import a11yAuditIf from 'ember-a11y-testing/test-support/audit-if';

function getUrlParameter(name) {
  const location = utils.getLocation();
  const regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
  const results = regex.exec(location.search);
  return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
}

/**
 * Should be imported and invoked early in the test suite, ideally in test-helper.js
 */
export function setupA11yGloablHooks() {
  if (getUrlParameter('setupA11yGloablHooks')) {
    _registerHook('visit', 'end', async (...args) => {
      await a11yAuditIf(...args);
    });
    
    // implement hooks calls for every other helper you want to hook into, such as click
  }
}