[英]TypeScript convert json structure
I cant figure out how to make this conversion iterating a json.我不知道如何使这种转换迭代 json。 I have this pojo in my backend:
我的后端有这个 pojo:
class Part{
Long id;
String name;
Set<Part> parts = new HashSet<>();
}
Every part can have parts and this part more parts and so on.每个部分都可以有部分,这个部分可以有更多的部分,依此类推。
I get this parts from httpclient in angular and get this json:我从 angular 中的 httpclient 获得这些部件并得到这个 json:
[{
"id": 1,
"name": "Parts A and B",
"parts": [{
"id": 2,
"name": "A",
"parts": [{
"id": 4,
"name": "A1",
"parts": []
}]
},
{
"id": 3,
"name": "B",
"parts": []
}
]
},
{
"id": 2,
"name": "A",
"parts": []
},
{
"id": 3,
"name": "B",
"parts": []
},
{
"id": 4,
"name": "A1",
"parts": []
}
]
And need to convert to this to populate a PrimeNG TreeTable:并且需要转换为这个来填充 PrimeNG TreeTable:
{
"data": [{
"data": {
"name": "Parts A and B",
"id": "1"
},
"children": [{
"data": {
"name": "Part A",
"id": "2"
},
"children": [{
"data": {
"name": "A1",
"id": "4"
}
}]
},
{
"data": {
"name": "Part B",
"id": "3"
},
"children": []
}
]
},
{
"data": {
"name": "Part A",
"id": "2"
},
"children": []
},
{
"data": {
"name": "Part B",
"id": "3"
},
"children": []
},
{
"data": {
"name": "A1",
"id": "4"
},
"children": []
}
]
}
How can I do that?我怎样才能做到这一点? In angular I get this in an array parts: Part[] and need partsTree: TreeNode[]
在 angular 中,我在数组中得到它: Part[] 并需要 partsTree: TreeNode[]
Thanks!!!谢谢!!!
Its just a simple conversion by a map;它只是 map 的简单转换;
interface PartAPI{
id: number;
name: string;
parts : PartAPI[];
}
interface Data {
id: number;
name: string;
}
interface Part {
data : Data;
children : Part[];
}
console.log('a')
let convert = (inputArr: PartAPI[] = []) : Part[] => {
return inputArr.map(partApi => ({ data : { id : partApi.id , name : partApi.name }, children: convert(partApi.parts) }) as Part)
}
let data : PartAPI[] = [{
"id": 1,
"name": "Parts A and B",
"parts": [{
"id": 2,
"name": "A",
"parts": [{
"id": 4,
"name": "A1",
"parts": []
}]
},
{
"id": 3,
"name": "B",
"parts": []
}
]
},
{
"id": 2,
"name": "A",
"parts": []
},
{
"id": 3,
"name": "B",
"parts": []
},
{
"id": 4,
"name": "A1",
"parts": []
}
]
console.log(convert(data));
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