@ahooksjs/use-request/es/utils/utils.js

React Hooks for fetching, caching and updating asynchronous data

export function isDocumentVisible() {
  if (typeof document !== 'undefined' && typeof document.visibilityState !== 'undefined') {
    return document.visibilityState !== 'hidden';
  }

  return true;
}
export function isOnline() {
  if (typeof navigator.onLine !== 'undefined') {
    return navigator.onLine;
  }

  return true;
}