Function split

packages/router/src/utils/config_matching.ts:124–161

(
  segmentGroup: UrlSegmentGroup,
  consumedSegments: UrlSegment[],
  slicedSegments: UrlSegment[],
  config: Route[],
  outlet?: string,
)

}

export function split(
  segmentGroup: UrlSegmentGroup,
  consumedSegments: UrlSegment[],
  slicedSegments: UrlSegment[],
  config: Route[],
  outlet?: string,
): {
  segmentGroup: UrlSegmentGroup;
  slicedSegments: UrlSegment[];
} {
  if (
    slicedSegments.length > 0 &&
    containsEmptyPathMatchesWithNamedOutlets(segmentGroup, slicedSegments, config, outlet)
  ) {
    const s = new UrlSegmentGroup(
      consumedSegments,
      createChildrenForEmptyPaths(
        config,
        new UrlSegmentGroup(slicedSegments, segmentGroup.children),
      ),
    );
    return {segmentGroup: s, slicedSegments: []};
  }

  if (
    slicedSegments.length === 0 &&
    containsEmptyPathMatches(segmentGroup, slicedSegments, config)
  ) {
    const s = new UrlSegmentGroup(
      segmentGroup.segments,
      addEmptyPathsToChildrenIfNeeded(segmentGroup, slicedSegments, config, segmentGroup.children),
    );
    return {segmentGroup: s, slicedSegments};
  }

  const s = new UrlSegmentGroup(segmentGroup.segments, segmentGroup.children);
  return {segmentGroup: s, slicedSegments};
}

function addEmptyPathsToChildrenIfNeeded(
  segmentGroup: UrlSegmentGroup,