Mac 重装node

1 在终端依次输入以下命令

sudo npm uninstall npm -g
 
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*
 
sudo rm -rf /usr/local/include/node /Users/$USER/.npm
 
sudo rm /usr/local/bin/node
 
sudo rm /usr/local/share/man/man1/node.1
 
sudo rm /usr/local/lib/dtrace/node.d

sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*

sudo rm -rf ~/.node-gyp

sudo rm -rf ~/.npm

sudo rm -rf /opt/local/lib/node_modules

sudo rm -rf /usr/local/opt/node*

sudo rm -rf /usr/local/Cellar/node*

2 验证是否成功

node -v
-bash: node: command not found
npm -v
-bash: npm: command not found

3 node 安装地址(可忽略，不用下载)
http://nodejs.cn/download/

4 查找node可用版本

brew search node

5 安装需要的版本

brew install node@12

6 链接版本

brew link node@12

7 添加环境变量

echo 'export PATH="/usr/local/opt/node@12/bin:$PATH"' >> ~/.bash_profile
export LDFLAGS="-L/usr/local/opt/node@12/lib"
export CPPFLAGS="-I/usr/local/opt/node@12/include"

8 重新打开终端，查看版本

node -v

v12.16.1

注：
我的项目用nodev13太高，nodev10又太低,根据实际情况；

参考：

https://www.jianshu.com/p/6dcfc0d3ea40
https://zhuanlan.zhihu.com/p/108858395?from_voters_page=true
https://www.cnblogs.com/ZhaoWeiNotes/p/11605745.html