conversion-library / arrayToTree

Function: arrayToTree()

function arrayToTree<T, IdK, parentIdK>(array: T[], options: ArrayToTreeOptionsType<IdK, parentIdK>): ArrayToTreeReturnItemType<T>[]

arrayToTree

version: v0.0.14+

Type Parameters

• T

• IdK extends string | number | symbol

• parentIdK extends string | number | symbol

Parameters

• array: T[]

Enter array

• options: ArrayToTreeOptionsType<IdK, parentIdK> = {}

Options

• idKey - id key, default id
• parentIdKey - parent id key, default parentId

Returns

ArrayToTreeReturnItemType<T>[]

Return tree

Example

const array = [
  { id: 1, parentId: null, name: 'aaa' },
  { id: 2, parentId: 1, name: 'bbb' },
  { id: 3, parentId: 1, name: 'ccc' },
  { id: 4, parentId: 2, name: 'ddd' },
]
console.log(arrayToTree(array))
// [
//   { id: 1, parentId: null, name: 'aaa', children: [
//     { id: 2, parentId: 1, name: 'bbb', children: [
//       { id: 4, parentId: 2, name: 'ddd' }
//     ]},
//     { id: 3, parentId: 1, name: 'ccc' }
//   ]}
// ]

Defined in

lib/data-structure/arrayAndTree.ts:39