MacOS X 10 10解除安裝Node

最近好像把node給弄壞了，在使用npm init的時候系統報錯：

press ^c at any time to quit.

npm err! darwin 14.5.0
npm err! argv "/usr/local/bin/node"
"/usr/local/bin/npm"
"init"
npm err! node v4.4.1
npm err! npm  v2.14.20
npm err! code module_not_found
npm err! cannot find module 'spdx'
npm err!
npm err! if you need help, you may report this error at:
npm err!

想同時儲存v0.12.x版本和安裝v4.x.x版本，所以使用了nvm切換了node版本，後來發現nvm的安裝方式不純潔，即並沒有安裝在/usr/local/bin下導致強迫症發作，一定要裝個純潔版本，找到了n這個工具～

在不懂nvm和n的原理的情況下，不知道怎麼搞的就切換錯了。。。

所以原因是——版本紊亂了。。。。我準備將node完全解除安裝後重灌

第一篇是nvm與n的區別，第二篇具體給出了nvm切換版本的例子。總的來說:

使用homebrew安裝nvm，並且在zsh的環境下安裝的同學，可能會產生衝突，導致nvm的$nvm_dir指向了/usr/local/opt/nvm,詳見：

使用以下命令，參考自[uninstall nodejs from osx yosemite(可能需要翻牆)][4]

# first:

lsbom -f
-l-s -pf /var/db/receipts/org.nodejs.pkg.bom | while
read f; do
sudo rm /usr/local/$; done
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.*
# to recap, the best way (i've found) to completely uninstall node + npm is to do the following:
# go to /usr/local/lib and delete any node and node_modules
cd /usr/local/lib
sudo rm -rf node*
# go to /usr/local/include and delete any node and node_modules directory
cd /usr/local/include
sudo rm -rf node*
# if you installed with brew install node, then run brew uninstall node in your terminal
brew uninstall node
# check your home directory for any "local" or "lib" or "include" folders, and delete any "node" or "node_modules" from there
# go to /usr/local/bin and delete any node executable
cd /usr/local/bin
sudo rm -rf /usr/local/bin/npm
sudo rm -rf /usr/local/bin/node
ls -las
# you may need to do the additional instructions as well:
sudo rm -rf /usr/local/share/man/man1/node.1
sudo rm -rf /usr/local/lib/dtrace/node.d
sudo rm -rf ~/.npm

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