三一车辆实时位置添加判断null提交

zhangnaisong

2023-07-22 e03adc9fa7d0bc2fbb9c78b67de3c734e5d9a643

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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));