@aws/pdk
Version:
All documentation is located at: https://aws.github.io/aws-pdk
18 lines (13 loc) • 403 B
JavaScript
;
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
};