main
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Last change
on this file was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago |
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F4 Finalna Verzija
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File size:
800 bytes
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| 1 | 'use strict';
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| 2 | var $ = require('../internals/export');
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| 3 | var fails = require('../internals/fails');
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| 4 | var isObject = require('../internals/is-object');
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| 5 | var classof = require('../internals/classof-raw');
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| 6 | var ARRAY_BUFFER_NON_EXTENSIBLE = require('../internals/array-buffer-non-extensible');
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| 7 |
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| 8 | // eslint-disable-next-line es/no-object-issealed -- safe
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| 9 | var $isSealed = Object.isSealed;
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| 10 |
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| 11 | var FORCED = ARRAY_BUFFER_NON_EXTENSIBLE || fails(function () { $isSealed(1); });
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| 12 |
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| 13 | // `Object.isSealed` method
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| 14 | // https://tc39.es/ecma262/#sec-object.issealed
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| 15 | $({ target: 'Object', stat: true, forced: FORCED }, {
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| 16 | isSealed: function isSealed(it) {
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| 17 | if (!isObject(it)) return true;
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| 18 | if (ARRAY_BUFFER_NON_EXTENSIBLE && classof(it) === 'ArrayBuffer') return true;
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| 19 | return $isSealed ? $isSealed(it) : false;
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| 20 | }
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| 21 | });
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