5 Tiny React + TypeScript Habits That Prevent Big Bugs

If you are learning React with TypeScript, bugs can feel random. The good news: a few small habits can remove many common mistakes. In this post, I will share 5 tiny habits I use in real projects. 1) Type your props clearly When props are any , wrong values can pass silently. type ButtonProps = { label : string ; onClick : () => void ; disabled ?: boolean ; }; export function Button ({ label , onClick , disabled = false }: ButtonProps ) { return ( < button disabled = { disabled } onClick = { onClick } > { label } </ button > ); } This gives instant feedback if you pass the wrong prop. 2) Avoid any for API data Use a type for response data, even if it is small. type User = { id : number ; name : string ; email : string ; }; Now your editor helps you when reading user.name or user.email . 3) Handle loading and error states first Many UI bugs happen because we only think about "success" state. A simple rule: Start with loading Add error Then render the data Your app becomes more stable an