You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
18 lines
403 B
18 lines
403 B
1 week ago
|
'use strict';
|
||
|
|
|
||
|
|
var isObject = require('es-object-atoms/isObject');
|
||
|
|
|
||
|
|
var KeyForSymbol = require('./KeyForSymbol');
|
||
|
|
|
||
|
|
// 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
|
||
|
|
};
|