Function isRangeVisible

source/InfiniteLoader/InfiniteLoader.js:160–169

({
  lastRenderedStartIndex,
  lastRenderedStopIndex,
  startIndex,
  stopIndex,
})

 * Determines if the specified start/stop range is visible based on the most recently rendered range.
 */
export function isRangeVisible({
  lastRenderedStartIndex,
  lastRenderedStopIndex,
  startIndex,
  stopIndex,
}) {
  return !(
    startIndex > lastRenderedStopIndex || stopIndex < lastRenderedStartIndex
  );
}

/**
 * Returns all of the ranges within a larger range that contain unloaded rows.