Function finiteOrUndefined

src/core/createRenderCoordinator.ts:270–271

(v: number | undefined)

  typeof v === 'number' && Number.isFinite(v) ? v : null;

const finiteOrUndefined = (v: number | undefined): number | undefined =>
  typeof v === 'number' && Number.isFinite(v) ? v : undefined;

// Story 5.17: CPU-side update interpolation can be expensive for very large series.
// We still animate domains for large series, but skip per-point y interpolation past this cap.