npm, yarn配置

一、npm

1. 查看当前的镜像源。

```

npm config get registry

```

2. 设置为淘宝源

```

npm config set registry https://registry.npm.taobao.org

```

3. 还原默认源

```

npm config set registry https://registry.npmjs.org/

二、Yarn

1.yarn的安装

```

npm install -g yarn

```

2. 查看当前镜像源

```

yarn config get registry

```

3. 设置为淘宝镜像源

```

yarn config set registry https://registry.npmmirror.com

```

4. 切回原镜像源

```

yarn config set registry https://registry.yarnpkg.com