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16 lines
580 B
16 lines
580 B
var $ = require('../internals/export'); |
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var getCompositeKeyNode = require('../internals/composite-key'); |
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var getBuiltIn = require('../internals/get-built-in'); |
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var create = require('../internals/object-create'); |
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var initializer = function () { |
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var freeze = getBuiltIn('Object', 'freeze'); |
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return freeze ? freeze(create(null)) : create(null); |
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}; |
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// https://github.com/tc39/proposal-richer-keys/tree/master/compositeKey |
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$({ global: true }, { |
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compositeKey: function compositeKey() { |
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return getCompositeKeyNode.apply(Object, arguments).get('object', initializer); |
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} |
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});
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