使用递归JavaScript将JSON转换为另一种JSON格式
假设我们有以下JSON对象-
const obj = {
"context": {
"device": {
"localeCountryCode": "AX",
"datetime": "3047-09-29T07:09:52.498Z"
},
"currentLocation": {
"country": "KM",
"lon": -78789486,
}
}
};我们需要编写一个JavaScript递归函数，该函数最初采用一个这样的数组。该函数应将上述对象拆分为“标签”-“子级”格式。
因此，上述对象的输出应类似于-
const output = {
"label": "context",
"children": [
{
"label": "device",
"children": [
{
"label": "localeCountryCode"
},
{
"label": "datetime"
}
]
},
{
"label": "currentLocation",
"children": [
{
"label": "country"
},
{
"label": "lon"
}
]
}
]
}为此的代码将是-
示例
const obj = {
"context": {
"device": {
"localeCountryCode": "AX",
"datetime": "3047-09-29T07:09:52.498Z"
},
"currentLocation": {
"country": "KM",
"lon": -78789486,
}
}
};
const transformObject = (obj = {}) => {
if (obj && typeof obj === 'object') {
return Object.keys(obj).map((el) => {
let children = transformObject(obj[el]); return children ? {
label: el, children: children } : {
label: el
};
});
};
};
console.log(JSON.stringify(transformObject(obj), undefined, 4));输出结果
控制台中的输出将是-
[
{
"label": "context",
"children": [
{
"label": "device",
"children": [
{
"label": "localeCountryCode"
},
{
"label": "datetime"
}
]
},
{
"label": "currentLocation",
"children": [
{
"label": "country"
},
{
"label": "lon"
}
]
}
]
}
]