Function collectVisibleFlowBlocks

src/platforms/android/scroll-hints.ts:217–229

(
  nodes: RawSnapshotNode[],
  scrollNode: RawSnapshotNode,
)

}

function collectVisibleFlowBlocks(
  nodes: RawSnapshotNode[],
  scrollNode: RawSnapshotNode,
): FlowBlock[] {
  const contentRoot = unwrapScrollableContentRoot(nodes, scrollNode);
  const children = nodes
    .filter((node) => node.parentIndex === contentRoot.index && node.rect)
    .map((node) => node.rect as Rect)
    .filter((rect) => hasPositiveVerticalExtent(rect))
    .sort((left, right) => left.y - right.y);

  return children.map((rect) => toFlowBlock(rect, scrollNode.rect as Rect));
}

function unwrapScrollableContentRoot(
  nodes: RawSnapshotNode[],