VueCli3 报错 This dependency was not found: core-js/modules

问题

This dependency was not found:

* core-js/modules/es.object.to-string.js in ./src/router/index.js

To install it, you can run: npm install --save core-js/modules/es.object.to-string.js

解决方法

VSCode 先 Ctrl+C 停止项目

按照提示，安装依赖包：

npm install --save core-js

重启项目：

npm run serve

或者执行：

yarn serve

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