Understanding common frustrations with React Hooks
Blog post from LogRocket
React Hooks, introduced in React v16.8 in 2019, aim to allow developers to use state and other React features without the need for class components, addressing issues with class-based lifecycle events that required repetitive logic and side effects management. Despite their advantages in elegantly handling cross-cutting concerns and simplifying state management, React Hooks come with their own set of challenges, such as the need to adhere to strict rules about their use within functional components, the complexity of managing the dependencies array, and the quirks of JavaScript paradigms like closures. Common pitfalls include errors like "React Hook cannot be called inside a callback" and "useEffect has a missing dependency," which often arise from improper use or misunderstanding of Hooks' requirements, such as maintaining the order of Hook calls and managing non-primitive dependencies. These issues highlight the learning curve associated with Hooks, requiring developers to adapt to new patterns and potentially resort to workarounds like useCallback, useRef, or useMemo to handle state and effect dependencies effectively. Despite these frustrations, many developers, including the author, appreciate the declarative approach of Hooks and acknowledge their potential to improve component reusability and code maintainability when used correctly.