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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:
639 bytes
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| 1 | var $ = require('../internals/export');
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| 2 | var isObject = require('../internals/is-object');
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| 3 | var onFreeze = require('../internals/internal-metadata').onFreeze;
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| 4 | var FREEZING = require('../internals/freezing');
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| 5 | var fails = require('../internals/fails');
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| 6 |
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| 7 | // eslint-disable-next-line es/no-object-seal -- safe
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| 8 | var $seal = Object.seal;
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| 9 | var FAILS_ON_PRIMITIVES = fails(function () { $seal(1); });
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| 10 |
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| 11 | // `Object.seal` method
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| 12 | // https://tc39.es/ecma262/#sec-object.seal
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| 13 | $({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, {
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| 14 | seal: function seal(it) {
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| 15 | return $seal && isObject(it) ? $seal(onFreeze(it)) : it;
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| 16 | }
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| 17 | });
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