findClusterData = function () {
              for (let n = 0; n < clusters.length; ++n) {
                // Search for a cluster containing any of the node id's
                for (const m in childNodesObj) {
                  if (clusters[n].nodes[m] !== undefined) {
                    return clusters[n];
                  }
                }
              }

              return undefined;
            }
Search for cluster data that contains any of the node id's
@returns {boolean} true if no joinCondition, otherwise return value of joinCondition