validator.js
===

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## License

Licensed under the [MIT License](https://opensource.org/licenses/MIT).


#JEST
> jest --init
>>   //您要使用Typescript作为配置文件吗？  
>> Would you like to use Typescript for the configuration file? … no     
>>   //选测试环境 node 或 web  
>> ✔ Choose the test environment that will be used for testing › jsdom (browser-like)  
>>   //是否生成测试覆盖率  
>> ✔ Do you want Jest to add coverage reports? … yes  
>>   //使用哪个提供程序来检测覆盖范围的代码  
>> ✔ Which provider should be used to instrument code for coverage? › babel  
>>  //自动清除模拟调用和实例  
>> ✔ Automatically clear mock calls and instances between every test? … yes