我使用命令ng new projectName然后，当我得到消息installing packages via npm时，它会永远挂起。我使用了npm cache clean命令，但没有解决问题。
Update:
我等了足够长的时间并从终端获取错误消息：
npm ERR! Darwin 14.5.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install"
npm ERR! node v4.6.0
npm ERR! npm v2.15.9
npm ERR! code EPEERINVALID
npm ERR! peerinvalid The package @angular/compiler@2.1.0 does not satisfy its siblings' peerDependencies requirements!
npm ERR! peerinvalid Peer @angular/compiler-cli@0.6.4 wants @angular/compiler@2.0.2
npm ERR! peerinvalid Peer @angular/platform-server@2.1.0 wants @angular/compiler@2.1.0
npm ERR! Please include the following file with any support request:
npm ERR! /Users/Chaklader/Documents/Online Education/Egghead/AngularJS/Getting Started/myProject/npm-debug.log
我将Mac OS用于项目