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[Flight] Pass line/column to filterStackFrame
#33707
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Merged
eps1lon
merged 2 commits into
facebook:main
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eps1lon:sebbie/filterstackframe-indexsourcemap
Jul 7, 2025
Merged
[Flight] Pass line/column to filterStackFrame
#33707
eps1lon
merged 2 commits into
facebook:main
from
eps1lon:sebbie/filterstackframe-indexsourcemap
Jul 7, 2025
+27
−6
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filterStackFrame
Comparing: 9a645e1...28b08da Critical size changesIncludes critical production bundles, as well as any change greater than 2%:
Significant size changesIncludes any change greater than 0.2%: (No significant changes) |
sebmarkbage
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Jul 5, 2025
sebmarkbage
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This was referenced Oct 2, 2025
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Stacked on #33706
filterStackFrame
implementations can fast-path ignore-listing by checking if the corresponding source map ignore-lists everything. However, this check requires checking every section for Index Source Maps which deopts the fast-path check from a constant check (comparing.length
) to looping through every section (i.e.O(N)
).By passing in the relevant line and column, a
filterStackFrame
implementation can find the relevant section with binary search (O(log N)
) e.g. https://github.com/vercel/next.js/blob/cc27c243af15703ee4f1bce2dd0afa6960a0f011/packages/next/src/server/lib/source-maps.ts#L60-L82