perf: render timeline incrementally to keep filtering responsive#11
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mattn wants to merge 1 commit into
Open
perf: render timeline incrementally to keep filtering responsive#11mattn wants to merge 1 commit into
mattn wants to merge 1 commit into
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Cap rows to ~200 with scroll-based paging and defer the filtered list so filter input stays responsive on large datasets.
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The timeline mounted every event (tens of thousands across the 90-day window) as DOM at once, and every filter change re-rendered the whole list. Typing a single character in the repo filter could freeze the UI for several seconds.
Now it renders ~200 rows and loads more as a bottom sentinel scrolls into view (IntersectionObserver), resetting on filter change. App also passes a useDeferredValue copy of the filtered list so the input and chips stay responsive. Sticky day headers and filter behavior are unchanged; no new deps.
typecheck / lint / build pass; verified locally against a 30k-event dataset.