efbbe203b42a77564ff59e8de856cf88669ac349b4be463bc6872f1f4f0e3db64c6dbbda9d0f3f020d2d73eec6f3b1ce46661815b6225365569b1b0486ce11 398 B

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  1. 'use strict';
  2. var KeyForSymbol = require('./KeyForSymbol');
  3. var isObject = require('../helpers/isObject');
  4. // https://262.ecma-international.org/14.0/#sec-canbeheldweakly
  5. module.exports = function CanBeHeldWeakly(v) {
  6. if (isObject(v)) {
  7. return true; // step 1
  8. }
  9. if (typeof v === 'symbol' && typeof KeyForSymbol(v) === 'undefined') {
  10. return true; // step 2
  11. }
  12. return false; // step 3
  13. };