Behat: Wait For AJAX Angular & jQuery

wait.php

public function waitForAjax()
{
    $waitTime = 10000;
    try {
        //Wait for Angular
        $angularIsNotUndefined = $this->getSession()->evaluateScript("return (typeof angular != 'undefined')");
        if ($angularIsNotUndefined) {
            //If you run the below code on a page ending in #, the page reloads.
            if (substr($this->getSession()->getCurrentUrl(), -1) !== '#') {
                $angular = 'angular.getTestability(document.body).whenStable(function() {
                window.__testable = true;
            })';
                $this->getSession()->evaluateScript($angular);
                $this->getSession()->wait($waitTime, 'window.__testable == true');
            }
  
            /*
             * Angular JS AJAX can't be detected overall like in jQuery,
             * but we can check if any of the html elements are marked as showing up when ajax is running,
             * then wait for them to disappear.
             */
            $ajaxRunningXPath = "//*[@ng-if='ajax_running']";
            $this->waitForElementToDisappear($ajaxRunningXPath, $waitTime);
        }
  
        //Wait for jQuery
        if ($this->getSession()->evaluateScript("return (typeof jQuery != 'undefined')")) {
            $this->getSession()->wait($waitTime, '(0 === jQuery.active && 0 === jQuery(\':animated\').length)');
        }
    } catch (Exception $e) {
        var_dump($e->getMessage()); //Debug here.
    }
}