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641 BJavaScriptView Raw
1import baseGetTag from './_baseGetTag.js';
2import isObjectLike from './isObjectLike.js';
3
4/** `Object#toString` result references. */
5var weakSetTag = '[object WeakSet]';
6
7/**
8 * Checks if `value` is classified as a `WeakSet` object.
9 *
10 * @static
11 * @memberOf _
12 * @since 4.3.0
13 * @category Lang
14 * @param {*} value The value to check.
15 * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
16 * @example
17 *
18 * _.isWeakSet(new WeakSet);
19 * // => true
20 *
21 * _.isWeakSet(new Set);
22 * // => false
23 */
24function isWeakSet(value) {
25 return isObjectLike(value) && baseGetTag(value) == weakSetTag;
26}
27
28export default isWeakSet;