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useLocationSSR was a footgun that easily caused hydration mismatches because the router context state and the actual DOM could diverge during hydration. The docs now recommend using a client-side effect approach (useLayoutEffect + Navigation API) instead. BREAKING CHANGE: useLocationSSR hook has been removed from the public API. Co-Authored-By: Claude Opus 4.6 <[email protected]>
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Summary
useLocationSSRhook from@funstack/router— it was a footgun that easily caused hydration mismatches (router context state vs actual DOM divergence during hydration)useLayoutEffect+ Navigation API) insteadBREAKING CHANGE
useLocationSSRis no longer exported from@funstack/router. Use a custom hook withuseLayoutEffect+navigation.currentEntryto safely access the current path in SSR-rendered components.Test plan
pnpm build— all packages build successfullypnpm typecheck— no type errorspnpm test:run— 174 tests passpnpm format— all files formatted correctlyuseLocationSSRin the codebase🤖 Generated with Claude Code