isWeakMap

130 bytes

since v12.2.0

用法

对 WeakMap 实例返回 true，即使它们是子类实例或来自其他执行环境的实例。

import * as _ from 'radashi'

_.isWeakMap(new WeakMap()) // true
_.isWeakMap(new (class extends WeakMap {})()) // true