Function isFullSpanZoomRange

src/core/createRenderCoordinator.ts:2040–2048

(range: ZoomRange | null)

  };

  const isFullSpanZoomRange = (range: ZoomRange | null): boolean => {
    if (!range) return true;
    return (
      Number.isFinite(range.start) &&
      Number.isFinite(range.end) &&
      range.start <= 0 &&
      range.end >= 100
    );
  };

  const cancelScheduledFlush = (): void => {
    if (flushRafId !== null) {