Using Convex with TanStack Start

Using Convex with TanStack Start provides

• Live-updating queries: updates come in over a WebSocket instead of requiring polling
• Works with TanStack Query useQuery, useSuspenseQuery`, etc. hooks
• Automatic query invalidation: when a mutation succeeds all queries it affects update automatically
• Selective optimistic update rollback: when a mutation succeeds only its update will be rolled back, with other optimistic updates reapplied
• Consistent snapshot reads of database state: /messages will never return a foreign key for a /user that doesn't exist until the next fetch

Examples

Sibling component calls

During SSR two sibling components make requests at about the same time.

Subsequent useSuspenseQuery calls

During SSR one component makes one query and then another, as though the second depended on the first and it was a dependent query (a "waterfall.")