React.js ~use() hook for loading/error guards~
The article discusses the new use() hook in React.js for managing loading and error states in components. It highlights how this approach simplifies data fetching by separating concerns between the component that uses the data and the one that initiates the fetch. By utilizing Suspense and ErrorBoundary, developers can streamline their code and focus on the happy path of data availability.
- ▪The use() hook allows for a cleaner implementation of data fetching in React components.
- ▪Loading and error states are managed by Suspense and ErrorBoundary, respectively.
- ▪This approach separates the data-fetching logic from the UI rendering logic.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 2091087) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Ogasawara Kakeru Posted on May 21 React.js ~use() hook for loading/error guards~ #webdev #react #softwaredevelopment #frontend The Pattern It replaces function UserProfile({ userId }: { userId: string }) { const [user, setUser] = useState<User | null>(null); const [isLoading, setIsLoading] = useState(true); const [error, setError] = useState<Error | null>(null); useEffect(() => { /* ... fetch, cancelled flag, setState ...
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