axios/lib/helpers/isURLSameOrigin.js

import platform from '../platform/index.js';

export default platform.hasStandardBrowserEnv ? ((origin, isMSIE) => (url) => {
  url = new URL(url, platform.origin);

  return (
    origin.protocol === url.protocol &&
    origin.host === url.host &&
    (isMSIE || origin.port === url.port)
  );
})(
  new URL(platform.origin),
  platform.navigator && /(msie|trident)/i.test(platform.navigator.userAgent)
) : () => true;