Master the vocabulary behind the full-stack TanStack Start framework.
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1 / 5
At standup, a dev wants full-stack SSR built directly on TanStack Router. Which framework fits?
TanStack Start is a full-stack framework built on top of TanStack Router, adding SSR, streaming, and server functions to the type-safe routing TanStack Router already provides. It is distinct from other TanStack libraries like Table or Query, which solve narrower problems. Start is the meta-framework layer.
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During a design review, the team writes a function that executes only on the server and is callable from client code. Which TanStack Start feature fits?
TanStack Start's createServerFn defines a server-only function with input validation that can be invoked directly from client components, with the framework handling the RPC boundary. This is the primary way to run trusted server logic from the client. It parallels server actions/functions in other modern frameworks.
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In a code review, a dev wants route data fetched before render, integrated with TanStack Query caching. Which pattern is idiomatic in Start?
TanStack Start route loaders commonly integrate with TanStack Query, prefetching and seeding the query cache so data is ready before render and stays consistent with client-side query invalidation. This combination leverages TanStack Query's caching alongside Start's SSR loaders. It is a signature pattern promoted in Start's docs.
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An incident report shows a route's params and search string weren't type-checked, causing a runtime crash. Which TanStack Start/Router feature prevents this?
TanStack Router (which underlies Start) supports fully type-safe route params and validated search params, catching mismatches at compile time rather than at runtime. Skipping this validation is what allows malformed params to reach handler code unchecked. Declaring param/search schemas is the documented fix.
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During a PR review, a teammate streams part of a page's data while the rest renders immediately. Which capability supports this in TanStack Start?
TanStack Start supports streaming SSR, allowing slower data to be deferred and streamed in after the initial shell renders, similar to deferred patterns in other modern meta-frameworks. This improves perceived performance for pages with mixed-speed data sources. It builds on React's streaming capabilities under the hood.