Find a form recipe
Solve validation, uploads, conflicts, multi-step flows, and sensitive input
Build the basic flow
| Problem | Recipe |
|---|---|
| Submit controls and display responses | Build forms |
| Render named server errors | Show server validation |
| Focus a rejected control | Focus the first error |
| Upload and cancel a file | Upload with cancellation |
| Search while typing | Build active search |
| Load one choice from another | Build dependent selects |
| Save several steps | Build a multi-step form |
Protect the write
| Problem | Recipe |
|---|---|
| Protect a cookie-authenticated form | Send CSRF proof |
| Prevent duplicate critical effects | Use an idempotency key |
| Confirm permanent deletion | Confirm deletion |
| Preserve another person’s edit | Handle edit conflicts |
| Handle a uniqueness race | Return uniqueness errors |
Represent input correctly
| Problem | Recipe |
|---|---|
| Submit currency | Send money safely |
| Submit local time | Send dates with zones |
| Submit several records | Apply a bulk action |
| Build sign-in controls | Support password managers |
| Harden the session form | Harden session cookies |
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