semantic-ui-react/dist/es/lib/isBrowser.js

The official Semantic-UI-React integration.

import _typeof from 'babel-runtime/helpers/typeof';
import _isNil from 'lodash/isNil';


var hasDocument = (typeof document === 'undefined' ? 'undefined' : _typeof(document)) === 'object' && document !== null;
var hasWindow = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window !== null && window.self === window;

// eslint-disable-next-line no-confusing-arrow
var isBrowser = function isBrowser() {
  return !_isNil(isBrowser.override) ? isBrowser.override : hasDocument && hasWindow;
};

export default isBrowser;