问题的产生
最近使用create-react-app创建一个react项目,按照官方安装好create-react-app后,初始化项目啥的都正常,结果一运行,就报错了。
There might be a problem with the project dependency tree.
It is likely not a bug in Create React App, but something you need to fix lo cally.
The react-scripts package provided by Create React App requires a dependency :
"babel-jest": "24.7.1"
Don't try to install it manually: your package manager does it automatically .
However, a different version of babel-jest was detected higher up in the tre