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feat: add column-aware row overscan helper - #181
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beliarh
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Oct 13, 2026
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Wide tables render more cells for every overscanned row, so a fixed row buffer can create unnecessary work. This change extracts Tracker’s column-aware overscan calculation into a public
getColumnAwareRowOverscanhelper.The helper calculates the base row overscan from a configurable cell budget and column count. Defaults are a 240-cell budget and a range of 4–24 rows. It also accepts a rendered-column limit for tables with horizontal virtualization.
The helper works with both row virtualizer hooks. Existing defaults remain unchanged, and consumers can still set a fixed numeric
overscan. Both READMEs and the adaptive virtualization stories now include usage examples.