....
no czyli masz podfolder "warzywniak-frontend" musisz w niego wejść najpierw... a w tym folderze co jesteś teraz nie ma package.json więc dajesz nam tu odpowiedzi bez sprawdzenia
w folderze warzywniak-frontend mam package.json
To zrób
Kopiuj
cd warzywniak-frontend
i potem
Tak zrobiłem i mam błędy
Starting the development server...
One of your dependencies, babel-preset-react-app, is importing the
Failed to compile.
Module not found: Error: Can't resolve './components/ProductList' in 'C:\Users\wancz\Desktop\warzywa i owoce\warzywniak-frontend\src'
ERROR in ./src/App.js 6:0-51
Module not found: Error: Can't resolve './components/ProductList' in 'C:\Users\wancz\Desktop\warzywa i owoce\warzywniak-frontend\src'
ERROR in ./src/App.js 7:0-57
Module not found: Error: Can't resolve './components/ProductDetails' in 'C:\Users\wancz\Desktop\warzywa i owoce\warzywniak-frontend\src'
ERROR in ./src/App.js 8:0-51
Module not found: Error: Can't resolve './components/ProductForm' in 'C:\Users\wancz\Desktop\warzywa i owoce\warzywniak-frontend\src'
ERROR in ./src/App.js 27:39-45
export 'Switch' (imported as 'Switch') was not found in 'react-router-dom' (possible exports: Await, BrowserRouter, Form, HashRouter, HydratedRouter, IDLE_BLOCKER, IDLE_FETCHER, IDLE_NAVIGATION, Link, Links, MemoryRouter, Meta, NavLink, Navigate, NavigationType, Outlet, PrefetchPageLinks, Route, Router, RouterProvider, Routes, Scripts, ScrollRestoration, ServerRouter, StaticRouter, StaticRouterProvider, UNSAFE_DataRouterContext, UNSAFE_DataRouterStateContext, UNSAFE_ErrorResponseImpl, UNSAFE_FetchersContext, UNSAFE_FrameworkContext, UNSAFE_LocationContext, UNSAFE_NavigationContext, UNSAFE_RemixErrorBoundary, UNSAFE_RouteContext, UNSAFE_ServerMode, UNSAFE_SingleFetchRedirectSymbol, UNSAFE_ViewTransitionContext, UNSAFE_createBrowserHistory, UNSAFE_createClientRoutes, UNSAFE_createClientRoutesWithHMRRevalidationOptOut, UNSAFE_createRouter, UNSAFE_decodeViaTurboStream, UNSAFE_deserializeErrors, UNSAFE_getPatchRoutesOnNavigationFunction, UNSAFE_getSingleFetchDataStrategy, UNSAFE_invariant, UNSAFE_mapRouteProperties, UNSAFE_shouldHydrateRouteLoader, UNSAFE_useFogOFWarDiscovery, UNSAFE_useScrollRestoration, createBrowserRouter, createCookie, createCookieSessionStorage, createHashRouter, createMemoryRouter, createMemorySessionStorage, createPath, createRequestHandler, createRoutesFromChildren, createRoutesFromElements, createRoutesStub, createSearchParams, createSession, createSessionStorage, createStaticHandler, createStaticRouter, data, generatePath, isCookie, isRouteErrorResponse, isSession,
matchPath, matchRoutes, parsePath, redirect, redirectDocument, renderMatches, replace, resolvePath, unstable_HistoryRouter, unstable_setDevServerHooks, unstable_usePrompt, useActionData, useAsyncError, useAsyncValue, useBeforeUnload, useBlocker, useFetcher, useFetchers, useFormAction, useHref, useInRouterContext, useLinkClickHandler, useLoaderData, useLocation, useMatch, useMatches, useNavigate, useNavigation, useNavigationType, useOutlet, useOutletContext, useParams, useResolvedPath, useRevalidator, useRouteError, useRouteLoaderData, useRoutes, useSearchParams, useSubmit, useViewTransitionState)
webpack compiled with 4 errors