import React, { useContext } from 'react'; import FullscreenButtonComponent from './component'; import LayoutContext from '../layout/context'; const FullscreenButtonContainer = (props) => ; export default (props) => { const isIphone = !!(navigator.userAgent.match(/iPhone/i)); const layoutContext = useContext(LayoutContext); const { layoutContextState, layoutContextDispatch } = layoutContext; const { fullscreen } = layoutContextState; const { element: currentElement, group: currentGroup } = fullscreen; const isFullscreen = !!currentElement; return ( ); };