Selenium wait script that will wait for: page load, jquery.ajax and $http requests to resolve, angular digest/render to finish

SeleniumWaitForAngular

/* C# Example
// var pageLoadWait = new WebDriverWait(WebDriver, TimeSpan.FromSeconds(timeout));
            pageLoadWait.Until<bool>(
                (driver) =>
                {
                    return (bool)JS.ExecuteScript(
@"*/
try {
	if (document.readyState !== 'complete') {
	    return false; // Page not loaded yet
	}
	if (window.jQuery) {
	    if (window.jQuery.active) {
	        return false;
	    } else if (window.jQuery.ajax && window.jQuery.ajax.active) {
	        return false;
	    }
	}
	if (window.angular) {
	    if (!window.qa) {
	        // Used to track the render cycle finish after loading is complete
	        window.qa = {
	            doneRendering: false
	        };
	    }
	    // Get the angular injector for this app (change element if necessary)
	    var injector = window.angular.element('body').injector();
	    // Store providers to use for these checks
	    var $rootScope = injector.get('$rootScope');
	    var $http = injector.get('$http');
	    var $timeout = injector.get('$timeout');
	    // Check if digest
	    if ($rootScope.$$phase === '$apply' || $rootScope.$$phase === '$digest' || $http.pendingRequests.length !== 0) {
	        window.qa.doneRendering = false;
	        return false; // Angular digesting or loading data
	    }
	    if (!window.qa.doneRendering) {
	        // Set timeout to mark angular rendering as finished
	        $timeout(function () {
	            window.qa.doneRendering = true;
	        }, 0);
	        return false;
	    }
	}
	return true;
} catch (ex) {
	return false;
}
/*");
                });*/