WARNING: We noticed you're using the `useBuiltIns` option without declaring a core-js version. - 代码天地

WARNING: We noticed you're using the `useBuiltIns` option without declaring a core-js version.

其他 2020-01-10 23:47:49 阅读次数: 0

在使用webpack4中，使用@babel/polyfill中的"useBuiltIns"：“usage” 配置项时，打包出现以下警告⚠️

往往是没有在配置中声明core-js版本的问题，具体解决方法如下：
在.babelrc文件配置项里声明版本：

声明之后，再次执行打包，就没有问题啦~完美解决 ?

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转载自blog.csdn.net/Riona_cheng/article/details/100555780

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