Function array2Tree

array2Tree<T extends Record<string | number | symbol, any> = TreeNode>(
    data: T[],
    childrenKey?: string,
    idKey?: keyof T,
    pidKey?: keyof T,
    rootPid?: string | number | null,
): Tree<T>[]
将扁平数组转换为树结构

Convert a flat array into a tree structure.
Type Parameters
- T extends Record<string | number | symbol, any> = TreeNode
  数组项类型 / item type
Parameters
- data: T[]
  原始扁平数据数组 / original flat data array
- OptionalchildrenKey: string = 'children'
  子节点字段名 / children field name
- OptionalidKey: keyof T = ...
  表示节点 id 的字段名 / field name for node id
- OptionalpidKey: keyof T = ...
  表示父节点 id 的字段名 / field name for parent id
- OptionalrootPid: string | number | null = ''
  根节点的父 id 值（用于识别顶层节点）/ parent id value of root nodes
Returns Tree<T>[]
转换后的树数组 / tree array after conversion
Example
```
// array2Tree(data)
```
- Defined in src/array.ts:19