Function getViewportHeight

src/ink/components/ScrollBox.tsx:178–180

()

      return content?.yogaNode?.getComputedHeight() ?? domRef.current?.scrollHeight ?? 0;
    },
    getViewportHeight() {
      return domRef.current?.scrollViewportHeight ?? 0;
    },
    getViewportTop() {
      return domRef.current?.scrollViewportTop ?? 0;
    },