Function detectNonAmpJs

src/error-reporting.js:662–673

(win)

 * @visibleForTesting
 */
export function detectNonAmpJs(win) {
  if (!win.document) {
    return false;
  }
  const scripts = win.document.querySelectorAll('script[src]');
  for (let i = 0; i < scripts.length; i++) {
    if (!isProxyOrigin(scripts[i].src.toLowerCase())) {
      return true;
    }
  }
  return false;
}

/**
 * Resets accumulated error messages for testing