增加用户预览位置接口

liusuyi

2024-05-08 c17dc5484bde25d032bf58d114a4f1598a301f31

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var global = require('../internals/global');
var isCallable = require('../internals/is-callable');
 
var WeakMap = global.WeakMap;
 
module.exports = isCallable(WeakMap) && /native code/.test(String(WeakMap));