关于NPM的种种事情

• 第一，解决npm安装慢的问题

npm config set registry http://[registry.npm.taobao.org](http://registry.npm.taobao.org)

• 第二，解决npm安装时的冲突问题

报错：npm ERR! Cannot read property '0' of undefined
解决：
I had the same problem.
I removed both node_modules and package-lock.json and then did:
npm install