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'use strict'; 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-isextensible -- safe
var $isExtensible = Object.isExtensible; var FAILS_ON_PRIMITIVES = fails(function () { $isExtensible(1); });
// `Object.isExtensible` method
// https://tc39.es/ecma262/#sec-object.isextensible
module.exports = (FAILS_ON_PRIMITIVES || ARRAY_BUFFER_NON_EXTENSIBLE) ? function isExtensible(it) { if (!isObject(it)) return false; if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) === 'ArrayBuffer') return false; return $isExtensible ? $isExtensible(it) : true; } : $isExtensible;
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