不知道发生了什么，但是我在收到以下错误消息
>npx create-react-app .
>npm i <packages>
>npm install
以此类推，因此上述命令均无效
错误：
npm ERR! code ELIFECYCLE
npm ERR! syscall spawn C:\Program Files\git\bin\bash.exe
npm ERR! file C:\Program Files\git\bin\bash.exe
npm ERR! path C:\Program Files\git\bin\bash.exe
npm ERR! errno ENOENT
npm ERR! core-js@2.6.11 postinstall: `node -e "try{require('./postinstall')}catch(e){}"`
npm ERR! spawn C:\Program Files\git\bin\bash.exe ENOENT
npm ERR!
npm ERR! Failed at the core-js@2.6.11 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
我已经看到主要是Windows问题，但是我使用Mac