How to use the foundation-sites/js/foundation.core.Foundation.GetYoDigits function in foundation-sites

import { Slider } from 'foundation-sites/js/foundation.slider';
import { SmoothScroll } from 'foundation-sites/js/foundation.smoothScroll';
import { Sticky } from 'foundation-sites/js/foundation.sticky';
import { Tabs } from 'foundation-sites/js/foundation.tabs';
import { Toggler } from 'foundation-sites/js/foundation.toggler';
import { Tooltip } from 'foundation-sites/js/foundation.tooltip';
import { ResponsiveAccordionTabs } from 'foundation-sites/js/foundation.responsiveAccordionTabs';


Foundation.addToJquery($);

// Add Foundation Utils to Foundation global namespace for backwards
// compatibility.

Foundation.rtl = rtl;
Foundation.GetYoDigits = GetYoDigits;
Foundation.transitionend = transitionend;

Foundation.Box = Box;
Foundation.onImagesLoaded = onImagesLoaded;
Foundation.Keyboard = Keyboard;
Foundation.MediaQuery = MediaQuery;
Foundation.Motion = Motion;
Foundation.Move = Move;
Foundation.Nest = Nest;
Foundation.Timer = Timer;

// Touch and Triggers previously were almost purely sede effect driven,
// so no // need to add it to Foundation, just init them.

Touch.init($);