@kiwicom/smart-faq/src/SmartFAQ/helpers/UrlHelpers.js

// @flow

export const replaceDomain = (link: string, domain: string) =>
  link.replace(/https?:\/\/[^/]+(?<path>.*)/, `${domain}$<path>`);

export const replaceWithCurrentDomain = (url: string) => {
  if (typeof window === 'undefined') {
    return url;
  }

  return replaceDomain(url, window.location.origin);
};

export const addDeepLink = (url: string, queryParam: string): string =>
  `${url}?deeplink=${queryParam}&source=smartfaq`;

export const isWebView = (() => {
  try {
    return typeof window !== 'undefined'
      ? new URL(window.location.href).searchParams.get('ui') === 'webview'
      : false;
  } catch (e) {
    // new URL fails in IE11 -> however IE11 is not webview
    return false;
  }
})();