Draft: Turbopack: Add FsError type, return it from write/write_link effects#89326
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Draft: Turbopack: Add FsError type, return it from write/write_link effects#89326
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This was referenced Jan 31, 2026
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Stats from current PR✅ No significant changes detected📊 All Metrics📖 Metrics GlossaryDev Server Metrics:
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Merging this PR will degrade performance by 3.91%
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Failing test suitesCommit: fb97fe8 | About building and testing Next.js
Expand output● instant-navigation-testing-api › renders runtime-prefetched content instantly during navigation
Expand output● 404 handling › custom _error › production mode › next start › should handle slashes in router push correctly ● 404 handling › pages/404 › production mode › next export › should handle slashes in router push correctly
Expand output● app dir - prefetching › should show layout eagerly when prefetched with loading one level down ● app dir - prefetching › should immediately render the loading state for a dynamic segment when fetched from higher up in the tree
Expand output● segment cache (per-page dynamic stale time) › reuses dynamic data within the per-page stale time window ● segment cache (per-page dynamic stale time) › two dynamic pages with different stale times behave independently ● segment cache (per-page dynamic stale time) › per-page value overrides global staleTimes.dynamic regardless of direction
Expand output● cached navigations › caches runtime-prefetchable content from a navigation for instant second visit ● cached navigations › caches runtime-prefetchable content from the initial HTML for subsequent navigations |
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We'd like to create
Issues when IO operations fail, soFsErroris basically that:FsErroris a structured error type, so we can track things likeFileSystemPath(note: this type contains aVc).IssueonFsError. This implementation lives inturbopack-coredue to crate-ordering issues.What's missing
FsErrors as an internal error.