Stop Rewriting This React Form UX Logic

You've built the form. You've wired up the validation. Zod or Yup catches every invalid field perfectly. Then a user submits and… nothing visible happens. The errors exist in state, sure. But the first invalid field is somewhere off-screen. The user has no idea what went wrong or where to look. So you start writing the logic you've written a dozen times before: Focus the first invalid input Scroll the page to the error Maybe render a summary of what needs fixing This is the part of form UX that no one talks about — and everyone keeps reimplementing. The Hidden Problem Libraries like React Hook Form and Formik are excellent at what they do. They manage form state, track dirty fields, and run validation. But they intentionally stop short of one thing: what happens in the DOM after validation fails. That responsibility falls on you every single time. It usually starts small: const firstError = document . querySelector ( " [aria-invalid='true'] " ); firstError ?. focus (); Then you need sc