Function containsSegmentGroupHelper

packages/router/src/url_tree.ts:183–218

(
  container: UrlSegmentGroup,
  containee: UrlSegmentGroup,
  containeePaths: UrlSegment[],
  matrixParams: ParamMatchOptions,
)

}

function containsSegmentGroupHelper(
  container: UrlSegmentGroup,
  containee: UrlSegmentGroup,
  containeePaths: UrlSegment[],
  matrixParams: ParamMatchOptions,
): boolean {
  if (container.segments.length > containeePaths.length) {
    const current = container.segments.slice(0, containeePaths.length);
    if (!equalPath(current, containeePaths)) return false;
    if (containee.hasChildren()) return false;
    if (!matrixParamsMatch(current, containeePaths, matrixParams)) return false;
    return true;
  } else if (container.segments.length === containeePaths.length) {
    if (!equalPath(container.segments, containeePaths)) return false;
    if (!matrixParamsMatch(container.segments, containeePaths, matrixParams)) return false;
    for (const c in containee.children) {
      if (!container.children[c]) return false;
      if (!containsSegmentGroup(container.children[c], containee.children[c], matrixParams)) {
        return false;
      }
    }
    return true;
  } else {
    const current = containeePaths.slice(0, container.segments.length);
    const next = containeePaths.slice(container.segments.length);
    if (!equalPath(container.segments, current)) return false;
    if (!matrixParamsMatch(container.segments, current, matrixParams)) return false;
    if (!container.children[PRIMARY_OUTLET]) return false;
    return containsSegmentGroupHelper(
      container.children[PRIMARY_OUTLET],
      containee,
      next,
      matrixParams,
    );
  }
}

function matrixParamsMatch(
  containerPaths: UrlSegment[],