Function resolveVirtualScrollCoverageHeight

src/hooks/useVirtualScroll.ts:66–79

({
  cachedHeight,
  estimatedHeight,
  pessimisticHeight = PESSIMISTIC_HEIGHT,
}: {
  cachedHeight: number | undefined
  estimatedHeight: number | undefined
  pessimisticHeight?: number
})

const sharedHeightCache = new Map<string, number>()

export function resolveVirtualScrollCoverageHeight({
  cachedHeight,
  estimatedHeight,
  pessimisticHeight = PESSIMISTIC_HEIGHT,
}: {
  cachedHeight: number | undefined
  estimatedHeight: number | undefined
  pessimisticHeight?: number
}): number {
  const height = cachedHeight ?? estimatedHeight ?? pessimisticHeight
  return Number.isFinite(height) && height > 0
    ? Math.max(1, Math.ceil(height))
    : pessimisticHeight
}

function sharedHeightCacheKey(columns: number, key: string): string {
  return `${columns}:${key}`