Function recordVirtualScrollFrameStats

src/hooks/virtualScrollStats.ts:59–94

(
  frame: VirtualScrollFrameStats,
)

}

export function recordVirtualScrollFrameStats(
  frame: VirtualScrollFrameStats,
): void {
  stats.samples += 1
  stats.maxItemCount = Math.max(stats.maxItemCount, frame.itemCount)
  stats.maxMountedCount = Math.max(stats.maxMountedCount, frame.mountedCount)
  stats.maxMeasuredMountedCount = Math.max(
    stats.maxMeasuredMountedCount,
    frame.measuredMountedCount,
  )
  stats.maxUnmeasuredMountedCount = Math.max(
    stats.maxUnmeasuredMountedCount,
    frame.unmeasuredMountedCount,
  )
  stats.maxHeightCacheSize = Math.max(
    stats.maxHeightCacheSize,
    frame.heightCacheSize,
  )
  stats.maxMountedRefCount = Math.max(
    stats.maxMountedRefCount,
    frame.mountedRefCount,
  )
  stats.maxViewportHeight = Math.max(
    stats.maxViewportHeight,
    finite(frame.viewportHeight),
  )
  stats.maxScrollTop = Math.max(stats.maxScrollTop, finite(frame.scrollTop))
  stats.maxTopSpacer = Math.max(stats.maxTopSpacer, finite(frame.topSpacer))
  stats.maxBottomSpacer = Math.max(
    stats.maxBottomSpacer,
    finite(frame.bottomSpacer),
  )
  stats.maxTotalHeight = Math.max(stats.maxTotalHeight, finite(frame.totalHeight))
  if (frame.isSticky) stats.stickySamples += 1
  if (frame.clampEnabled) stats.clampEnabledSamples += 1
}

export function getVirtualScrollStatsSnapshot(): VirtualScrollStatsSnapshot {
  return { ...stats }