用 yarn build 编译 angular 代码, 下载包的时候各种 404. 用 yarnpkg 和 npm 官方的 registry 都没有问题.
一个例子:
wget https://registry.yarnpkg.com/@angular-devkit/build-angular/-/build-angular-0.6.0.tgz # OK
wget http://registry.npmjs.org/@angular-devkit/build-angular/-/build-angular-0.6.0.tgz # OK
wget https://registry.npm.taobao.org/@angular-devkit/build-angular/-/build-angular-0.6.0.tgz # 404