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