Method visit

packages/react-aria-components/src/Table.tsx:221–238

(node: Node<T>)

    this.columns = [];
    let columnKeyMap = new Map();
    let visit = (node: Node<T>) => {
      switch (node.type) {
        case 'column':
          columnKeyMap.set(node.key, node);
          if (!node.hasChildNodes) {
            node.index = this.columns.length;
            this.columns.push(node);

            if (node.props.isRowHeader) {
              this.rowHeaderColumnKeys.add(node.key);
            }
          }
          break;
      }
      for (let child of this.getChildren(node.key)) {
        visit(child);
      }
    };

    for (let node of this.getChildren(this.head.key)) {
      visit(node);