Function filter

filter<T>(tree, func, config?): T[]
过滤树形数据
Type Parameters
- T = any
Parameters
- tree: T[]
  树形数据
- func: ((n) => boolean)
  过滤节点的函数
  - - (n): boolean
    - Parameters
      n: T
      Returns boolean
- config: Partial<TreeHelperConfig> = {}
  树形的配置项
Returns T[]
Example
```
const tree = [{value: 1, id: 1, children: [{value: 2, pid: 1, id: 2, children: [{value: 3, pid: 2, id: 3}]}]}]
const nodes = filter(tree, (node) => {
  return node.value === 2
})
```
- Defined in tree/index.ts:225

Generated using TypeDoc