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17 lines
388 B
JavaScript
17 lines
388 B
JavaScript
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'use strict';
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var KeyForSymbol = require('./KeyForSymbol');
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var Type = require('./Type');
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// https://262.ecma-international.org/14.0/#sec-canbeheldweakly
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module.exports = function CanBeHeldWeakly(v) {
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if (Type(v) === 'Object') {
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return true; // step 1
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}
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if (Type(v) === 'Symbol' && typeof KeyForSymbol(v) === 'undefined') {
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return true; // step 2
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}
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return false; // step 3
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};
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