Files
lodash/isWeakMap.js
2019-01-20 13:57:10 -08:00

24 lines
528 B
JavaScript

import getTag from './.internal/getTag.js'
import isObjectLike from './isObjectLike.js'
/**
* Checks if `value` is classified as a `WeakMap` object.
*
* @since 4.3.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
* @example
*
* isWeakMap(new WeakMap)
* // => true
*
* isWeakMap(new Map)
* // => false
*/
function isWeakMap(value) {
return isObjectLike(value) && getTag(value) == '[object WeakMap]'
}
export default isWeakMap