tvbox_config/open/node_modules/has-symbols/index.js
liushiquan 36ab603d34 init
2024-06-01 22:41:46 +08:00

14 lines
420 B
JavaScript

'use strict';
var origSymbol = typeof Symbol !== 'undefined' && Symbol;
var hasSymbolSham = require('./shams');
module.exports = function hasNativeSymbols() {
if (typeof origSymbol !== 'function') { return false; }
if (typeof Symbol !== 'function') { return false; }
if (typeof origSymbol('foo') !== 'symbol') { return false; }
if (typeof Symbol('bar') !== 'symbol') { return false; }
return hasSymbolSham();
};