Last change
on this file since 6fe77af was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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1 | var $ = require('../internals/export');
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2 | var getCompositeKeyNode = require('../internals/composite-key');
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3 | var getBuiltIn = require('../internals/get-built-in');
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4 | var create = require('../internals/object-create');
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5 |
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6 | var initializer = function () {
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7 | var freeze = getBuiltIn('Object', 'freeze');
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8 | return freeze ? freeze(create(null)) : create(null);
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9 | };
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10 |
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11 | // https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey
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12 | $({ global: true }, {
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13 | compositeKey: function compositeKey() {
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14 | return getCompositeKeyNode.apply(Object, arguments).get('object', initializer);
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15 | }
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16 | });
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