Data loading is a common concern for web applications and is related to routing. When loading a page for your app, it's ideal if all of the page's async requirements are fetched and fulfilled as early...

Router The route tree is the application contract. Define routes once, then let TypeScript carry paths, params, search state, loaders, links, and boundaries through every navigation.

To control router dependencies and "freshness", TanStack Router provides a plethora of options to control the keying and caching behavior of your route loaders.

Using Loaders to ensure data is loaded The easiest way to integrate external caching/data library into Router is to use route.loader s to ensure that the data required inside of a route has been loaded and …

Nov 6, 2024 · It runs the beforeLoad function before the loader function. The main use case that they are using it for is just to dump auth into the context so that way you can reference the user every …

Feb 3, 2026 · TanStack Router ’s beforeLoad and loader functions allow for tight control over what happens while a route, well… loads! At first glance, it isn’t super clear when to use which.

TanStack Router cheat sheet with type-safe routing, file-based routes, data loading, search params, and React code examples.

Sep 27, 2025 · TanStack Router provides a declarative data loading system where routes can define loader functions that execute before the route component renders. This ensures that components …

Jun 6, 2022 · refetch loader I'm evaluating TanStack Router as a potential replacement for the React Router we currently use, and I have run into this issue too. React Router calls loader when search …

Feb 14, 2026 · TanStack Router maintains a per-route-match cache with configurable staleness and garbage collection policies. Cache entries are keyed by route match ID and contain loader data with …