server/graph/force-simulation/topology.js
/**
   * Make reference of parents.
   * @private
   */
Make reference of parents.
@private
Make reference of parents . @private
_makeParentRef() {
    for (const node of this.nodes) {
      if (node.children) {
        for (const path of node.children) {
          const child = this._findNodeByPath(path)
          if (child) {
            child.addParent(node.path)
          } 
        }
      }
    }
  }
_makeParentRef ( ) { for ( const node of this . nodes ) { if ( node . children ) { for ( const path of node . children ) { const child = this . _findNodeByPath ( path ) if ( child ) { child . addParent ( node . path ) } } } } }
Make reference of parents.
Make reference of parents .
// TODO error check (when not found?)