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| export const traverse = (arr, newArr = []) => {
| // 递归 遍历数组 满足条件 a.type === "4" push进入新数组 然后弹出新数组
| for (let i = 0; i < arr.length; i++) {
| let a = { ...arr[i] }
| if (a.type === "4") {
| newArr.push(a)
| } else {
| if (a.children) traverse(a.children, newArr)
| }
| }
| return newArr
| }
|
|
