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Editing: es.object.is-sealed.js
var $ = require('../internals/export'); var fails = require('../internals/fails'); var isObject = require('../internals/is-object'); var classof = require('../internals/classof-raw'); var ARRAY_BUFFER_NON_EXTENSIBLE = require('../internals/array-buffer-non-extensible'); // 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 || ARRAY_BUFFER_NON_EXTENSIBLE }, { isSealed: function isSealed(it) { if (!isObject(it)) return true; if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) == 'ArrayBuffer') return true; return $isSealed ? $isSealed(it) : false; } });
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