Change all ng-* attributes to data-ng-*

ng-prefixer.es6

Array.from(document.querySelectorAll('*')).forEach((el) => {
  Array.from(el.attributes).forEach((attrib) => {
    if(attrib.localName.startsWith('ng-')) {
      el.setAttribute(`data-${attrib.localName}`, attrib.value);
      el.removeAttribute(attrib.localName);
    }
  });
});