1234567891011121314151617 |
- 'use strict';
- var KeyForSymbol = require('./KeyForSymbol');
- var isObject = require('../helpers/isObject');
- // https://262.ecma-international.org/14.0/#sec-canbeheldweakly
- module.exports = function CanBeHeldWeakly(v) {
- if (isObject(v)) {
- return true; // step 1
- }
- if (typeof v === 'symbol' && typeof KeyForSymbol(v) === 'undefined') {
- return true; // step 2
- }
- return false; // step 3
- };
|