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19 lines
653 B
19 lines
653 B
4 weeks ago
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'use strict';
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var $ = require('../internals/export');
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var isObject = require('../internals/is-object');
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var onFreeze = require('../internals/internal-metadata').onFreeze;
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var FREEZING = require('../internals/freezing');
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var fails = require('../internals/fails');
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// eslint-disable-next-line es/no-object-seal -- safe
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var $seal = Object.seal;
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var FAILS_ON_PRIMITIVES = fails(function () { $seal(1); });
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// `Object.seal` method
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// https://tc39.es/ecma262/#sec-object.seal
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$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, {
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seal: function seal(it) {
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return $seal && isObject(it) ? $seal(onFreeze(it)) : it;
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}
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});
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