Function: get()

function get<T>(
   object, 
   path, 
   defaultValue?): unknown;

Safely gets a nested value from an object by path. 通过路径安全地获取对象中的嵌套值。

Type Parameters

Type Parameter	Default type	Description
T	undefined	The fallback value type / 兜底值类型

Parameters

Parameter	Type	Description
object	unknown	The source object / 源对象
path	string | readonly PropertyKey[]	The access path / 访问路径
defaultValue?	T	The fallback value returned when the path does not exist / 路径不存在时返回的兜底值

Returns

unknown

The found value or the fallback value / 找到的值或兜底值

Example

get({ a: { b: 2 } }, 'a.b')
// => 2

Since

1.2.0