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Last change
on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
545 bytes
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| 1 | var $ = require('../internals/export');
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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 |
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| 5 | // eslint-disable-next-line es/no-object-isfrozen -- safe
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| 6 | var $isFrozen = Object.isFrozen;
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| 7 | var FAILS_ON_PRIMITIVES = fails(function () { $isFrozen(1); });
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| 8 |
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| 9 | // `Object.isFrozen` method
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| 10 | // https://tc39.es/ecma262/#sec-object.isfrozen
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| 11 | $({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, {
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| 12 | isFrozen: function isFrozen(it) {
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| 13 | return isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
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| 14 | }
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| 15 | });
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