将数组转化为key是value label格式，适用于级联选择器

/**
 * @description:  将数组转化为key是value label格式，适用于级联选择器
 */

export const transTree = (tree, map, type) => {
  const result = []
  let { childId, label: insLabel, children: insChildren, value: insValue } = map
  tree.forEach((item) => {
    let value
    if (type === 'child') {
      value = item[childId]
    } else {
      value = item[insValue]
    }
    let label = item[insLabel]
    let children = item[insChildren]
    // 如果有子节点，递归
    if (children) {
      children = transTree(children, map, 'child')
    } else {
      children = []
    }
    result.push({
      value,
      label,
      children
    })
  })
  return result
}