is-webview.ts

export function isWebview() {
  const navigator = window.navigator;
  const userAgent = navigator.userAgent;
  const normalizedUserAgent = userAgent.toLowerCase();
  const standalone = (navigator as any).standalone;

  const isIos =
    /ip(ad|hone|od)/.test(normalizedUserAgent) ||
    (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1);
  const isAndroid = /android/.test(normalizedUserAgent);
  const isSafari = /safari/.test(normalizedUserAgent);
  const isWebview =
    (isAndroid && /; wv\)/.test(normalizedUserAgent)) ||
    (isIos && !standalone && !isSafari);

  return isWebview;
}