isWeakMap

Returns true for WeakMap instances

Usage

Returns true for WeakMap instances, even if they are subclass instances or from other realms.

import * as 
import _
_ from 'radashi'

import _
_.
isWeakMap<object, unknown>(value: unknown): value is WeakMap<object, unknown>
export isWeakMap
Checks if the given value is a WeakMap.
Instances from other realms are also supported.
@see ― https://radashi.js.org/reference/typed/isWeakMap
@example 
isWeakMap(new WeakMap()) // => true
isWeakMap(new Map()) // => false
@version ― 12.2.0
isWeakMap(new 
var WeakMap: WeakMapConstructor
new <object, any>(entries?: readonly (readonly [object, any])[] | null | undefined) => WeakMap<object, any> (+1 overload)
WeakMap()) // true
import _
_.
isWeakMap<object, unknown>(value: unknown): value is WeakMap<object, unknown>
export isWeakMap
Checks if the given value is a WeakMap.
Instances from other realms are also supported.
@see ― https://radashi.js.org/reference/typed/isWeakMap
@example 
isWeakMap(new WeakMap()) // => true
isWeakMap(new Map()) // => false
@version ― 12.2.0
isWeakMap(new (class extends 
var WeakMap: WeakMapConstructor
WeakMap {})()) // true