var $ = require('../internals/export'); var fails = require('../internals/fails'); var isObject = require('../internals/is-object'); // eslint-disable-next-line es/no-object-issealed -- safe var $isSealed = Object.isSealed; var FAILS_ON_PRIMITIVES = fails(function () { $isSealed(1); }); // `Object.isSealed` method // https://tc39.es/ecma262/#sec-object.issealed $({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, { isSealed: function isSealed(it) { return isObject(it) ? $isSealed ? $isSealed(it) : false : true; } });