Function pickBy

pickBy<T extends object, K extends string | number | symbol>(
obj: undefined | null | T,
predicate?: (value: T[K], key?: K) => boolean,
): Partial<Pick<T, K>>
类似于数组的filter方法，但是作用于对象。默认情况下predicate，是判断value值是否为真值进行筛选
Type Parameters
- T extends object
- K extends string | number | symbol
Parameters
- obj: undefined | null | T
- predicate: (value: T[K], key?: K) => boolean = ...
Returns Partial<Pick<T, K>>
- Defined in src/modules/object.ts:34