Function getLinkedRowIdsCache

src/relationships/index.ts:66–95

(
      relationshipId: Id,
      firstRowId: Id,
      skipCache?: boolean,
    )

    );

    const getLinkedRowIdsCache = (
      relationshipId: Id,
      firstRowId: Id,
      skipCache?: boolean,
    ): IdSet | undefined =>
      ifNotUndefined(
        getRelationship(relationshipId),
        ([remoteRows, , linkedRowsCache]) => {
          if (!collHas(linkedRowsCache, firstRowId)) {
            const linkedRows: IdSet = setNew();
            if (
              getLocalTableId(relationshipId) !=
              getRemoteTableId(relationshipId)
            ) {
              setAdd(linkedRows, firstRowId);
            } else {
              let rowId: Id | undefined = firstRowId;
              while (!isUndefined(rowId) && !collHas(linkedRows, rowId)) {
                setAdd(linkedRows, rowId);
                rowId = mapGet(remoteRows, rowId);
              }
            }
            if (skipCache) {
              return linkedRows;
            }
            mapSet(linkedRowsCache, firstRowId, linkedRows);
          }
          return mapGet(linkedRowsCache, firstRowId as Id) as IdSet;
        },
      );

    const delLinkedRowIdsCache = (relationshipId: Id, firstRowId: Id) =>
      ifNotUndefined(getRelationship(relationshipId), ([, , linkedRowsCache]) =>