FM / is-weakmap

/home/techb158/balavpn.abdallabala.com/node_modules/is-weakmap/

/home/techb158/balavpn.abdallabala.com/node_modules/is-weakmap

Name	Size	Mode	Actions
.github/	-	0777	rm
test/	-	0777	rm
.editorconfig	231	0666	edit dl rm
.eslintrc	43	0666	edit dl rm
.nycrc	139	0666	edit dl rm
CHANGELOG.md	8184	0666	edit dl rm
index.d.ts	129	0666	edit dl rm
index.js	1157	0666	edit dl rm
LICENSE	1067	0666	edit dl rm
package.json	2308	0666	edit dl rm
README.md	1975	0666	edit dl rm
tsconfig.json	3611	0666	edit dl rm

Edit: /home/techb158/balavpn.abdallabala.com/node_modules/is-weakmap/index.js (1157B)

'use strict';

var $WeakMap = typeof WeakMap === 'function' && WeakMap.prototype ? WeakMap : null;
var $WeakSet = typeof WeakSet === 'function' && WeakSet.prototype ? WeakSet : null;

var exported;

if (!$WeakMap) {
	/** @type {import('.')} */
	// eslint-disable-next-line no-unused-vars
	exported = function isWeakMap(x) {
		// `WeakMap` is not present in this environment.
		return false;
	};
}

/** @type {import('.')} */
module.exports = exported || function isWeakMap(x) {
	if (!x || typeof x !== 'object') {
		return false;
	}
	try {
		$mapHas.call(x, $mapHas);
		if ($setHas) {
			try {
				$setHas.call(x, $setHas);
			} catch (e) {
				return true;
			}
		}
		// @ts-expect-error TS can't figure out that $WeakMap is always truthy here
		return x instanceof $WeakMap; // core-js workaround, pre-v3
	} catch (e) {}
	return false;
};

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