const ThemeContext = React.createContext('light'); // This function takes a component... // highlight-next-line export function withTheme(Component) { // ...and returns another component... // highlight-next-line return function ThemedComponent(props) { // ... and renders the wrapped component with the context theme! // Notice that we pass through any additional props as well // highlight-range{2-4} return ( {theme => } ); }; }