Function recurse

packages/table-core/src/utils.ts:121–129

(subArr: TNode[])

  const flat: TNode[] = []

  const recurse = (subArr: TNode[]) => {
    subArr.forEach((item) => {
      flat.push(item)
      const children = getChildren(item)
      if (children?.length) {
        recurse(children)
      }
    })
  }

  recurse(arr)