树形结构转列表
# 树形结构转列表
请实现tree2list函数
// 测试
const data = [
{
"id": 1,
"name": "部门1",
"pid": 0,
"children": [
{
"id": 2,
"name": "部门2",
"pid": 1,
"children": []
},
{
"id": 3,
"name": "部门3",
"pid": 1,
"children": [
{
"id": 4,
"name": "部门4",
"pid": 3,
"children": [
{
"id": 5,
"name": "部门5",
"pid": 4,
"children": []
}
]
}
]
}
]
}
]
console.log(tree2list(data))
/*
[
{ id: 1, name: '部门1', pid: 0 },
{ id: 2, name: '部门2', pid: 1 },
{ id: 3, name: '部门3', pid: 1 },
{ id: 4, name: '部门4', pid: 3 },
{ id: 5, name: '部门5', pid: 4 }
]
*/
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const tree2list = (data) => {
const ans = [];
const queue = [...data]
while(queue.length) {
const node = queue.shift()
const children = node.children
if(children) {
queue.push(...children)
}
delete node.children
ans.push(node)
}
console.log(ans, 'ans')
return ans
}
tree2list(data)
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