Function: findTreeNode()

function findTreeNode<T>(
   trees, 
   predicate, 
   childrenKey?): T | undefined;

Finds the first tree node that matches a predicate. 查找第一个满足断言条件的树节点。

Type Parameters

Type Parameter	Description
T extends Record<string, unknown>	The node type / 节点类型

Parameters

Parameter	Type	Description
trees	readonly T[]	The source tree array / 源树数组
predicate	(node) => boolean	The match predicate / 匹配断言
childrenKey	keyof T	The children field name / 子节点字段名

Returns

T | undefined

The first matching node, or undefined / 第一个匹配的节点，或 undefined

Example

findTreeNode([{ id: 1, children: [{ id: 2 }] }], (node) => node.id === 2)
// => { id: 2 }

Since

1.2.0