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.
17 lines
403 B
17 lines
403 B
'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 |
|
};
|
|
|