const invalidServerComponentReactHooks = [ 'useDeferredValue', 'useEffect', 'useImperativeHandle', 'useInsertionEffect', 'useLayoutEffect', 'useReducer', 'useRef', 'useState', 'useSyncExternalStore', 'useTransition', 'experimental_useOptimistic', 'useOptimistic', ] function setMessage(error: Error, message: string): void { error.message = message if (error.stack) { const lines = error.stack.split('\n') lines[0] = message error.stack = lines.join('\n') } } /** * Input: * Error: Something went wrong at funcName (/path/to/file.js:10:5) at anotherFunc (/path/to/file.js:15:10) * Output: at funcName (/path/to/file.js:10:5) at anotherFunc (/path/to/file.js:15:10) */ export function getStackWithoutErrorMessage(error: Error): string { const stack = error.stack if (!stack) return '' return stack.replace(/^[^\n]*\n/, '') } export function formatServerError(error: Error): void { if (typeof error?.message !== 'string') return if ( error.message.includes( 'Class extends value undefined is not a constructor or null' ) ) { const addedMessage = 'This might be caused by a React Class Component being rendered in a Server Component, React Class Components only works in Client Components. Read more: https://nextjs.org/docs/messages/class-component-in-server-component' // If this error instance already has the message, don't add it again if (error.message.includes(addedMessage)) return setMessage( error, `${error.message} ${addedMessage}` ) return } if (error.message.includes('createContext is not a function')) { setMessage( error, 'createContext only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/context-in-server-component' ) return } for (const clientHook of invalidServerComponentReactHooks) { const regex = new RegExp(`\\b${clientHook}\\b.*is not a function`) if (regex.test(error.message)) { setMessage( error, `${clientHook} only works in Client Components. Add the "use client" directive at the top of the file to use it. Read more: https://nextjs.org/docs/messages/react-client-hook-in-server-component` ) return } } }