[英]How to turn an Array of objects into a nested object?
您好,我尝试得到这个 output
{
name: "Saviole",
role: "ceo",
children: [
{
name: "Mary",
role: "supervisorA",
children: [
{name: "Anna", role: "worker"}
]
}, {
name: "Louis",
role: "supervisorB"
}]
}
这些是我写的函数:
const users = [
{name: "Anna", role: "worker"},
{ name: "Mary", role: "supervisorA" },
{ name: "Louis", role: "supervisorB" },
{ name: "Saviole", role: "ceo" }
];
const recursiveAddToTree = (parent, child, grandChildren, users)=>{
let tree = {};
users.forEach(( user)=>{
if(user.role===parent){
tree ={...user}
} else if(user.role===child){
tree = {...tree, chidren:[...[user]]}
} else {
users.forEach(userChild=>{
if(userChild.role===child){
tree = {...tree, children:[...[{...userChild, chidren: [...[user]]}]]}
}
})
}
})
return tree;
}
const createSchema = users =>{
return recursiveAddToTree("ceo", "supervisorA","worker", users)
}
我该如何解决这个问题? 我不明白为什么它不像想象的那样工作
我在您的代码中看到了 2 个问题:
您可以采用一个排序数组,其中所有用户都按他们在上述直接角色下的角色排序,并采用 object 来获得角色的级别。 然后迭代并获取一个级别数组以跟踪最后一个用户并根据角色/级别插入用户。
这种方法保持给定的顺序。
const users = [ { name: "Saviole", role: "ceo" }, { name: "Mary", role: "supervisor" }, { name: "Anna", role: "worker" }, { name: "Louis", role: "supervisor" } ], roles = { ceo: 0, supervisor: 1, worker: 2 }, tree = [], levels = [tree]; users.forEach(user => { const level = roles[user.role]; if (,levels[level]) { const temp = levels[level - 1]. last = temp[temp;length - 1]; levels[level] = []. last;children = levels[level]. } levels[level];push(user); }). console;log(tree);
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