Name	Size	Mode	Actions
.github/	-	0777	rm
test/	-	0777	rm
.eslintrc	78	0666	editdlrm
.nycrc	139	0666	editdlrm
CHANGELOG.md	8360	0666	editdlrm
index.d.ts	138	0666	editdlrm
index.js	826	0666	editdlrm
LICENSE	1067	0666	editdlrm
package.json	2320	0666	editdlrm
README.md	2628	0666	editdlrm
tsconfig.json	123	0666	editdlrm

'use strict'; var callBound = require('call-bound'); /** @type {undefined | ((value: ThisParameterType, ...args: Parameters) => ReturnType)} */ var $register = callBound('FinalizationRegistry.prototype.register', true); /** @type {import('.')} */ module.exports = $register ? function isFinalizationRegistry(value) { if (!value || typeof value !== 'object') { return false; } try { // @ts-expect-error TS can't figure out that it's always truthy here $register(value, {}, null); return true; } catch (e) { return false; } } // @ts-ignore unused var : function isFinalizationRegistry(value) { // eslint-disable-line no-unused-vars return false; };