import { useReducer } from 'react'; import { HashRouter } from 'react-router-dom'; import { Router } from './components/router'; import { SettingsContext } from './utils/settings_context'; const settingsReducer = (state, action) => { switch (action.type) { case 'update': { return { ...state, ...action.payload }; } } return state; }; export const App = () => { const [settings, dispatch] = useReducer(settingsReducer, window.SETTINGS); return ( ); };