How Do I Completely Uninstall and Reinstall Node.js and npm on macOS to Resolve Persistent Version Conflicts?

Uninstalling and Reinstalling Node.js on Mac OS X

Problem:

You encounter a persistent phantom version of Node.js (v0.6.1-pre) despite installing newer versions using Brew and NVM. You wish to completely remove Node.js, npm, and NVM and reinstall them from the beginning.

Solution:

1. Locate and Delete Phantom Folders:

   • Navigate to the /Users//local folder and delete any include or lib folders containing node or node_modules.

2. Uninstall Node.js via Brew:

   • Open Terminal and run:

     brew uninstall node

3. Remove NVM Modifications:

   • Open the .bashrc file in your Home directory.
   • Remove any NVM-related lines that modify the PATH variable.

4. Uninstall Node.js and npm (Optional):

   • Remove any remaining node, node_modules, and npm files from the following locations:

     • /usr/local/lib
     • /usr/local/include
     • /usr/local/bin
     • /usr/local/share/man/man1
     • Your Home directory

5. Reinstall Node.js and npm:

   • Download and install NVM.

   • Install Node.js using NVM:

     nvm install node

Additional Notes:

• If necessary, use the following commands to remove additional artifacts:

  sudo rm -rf \
  /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/{npm*,node*,man1/node*}

• Reinstalling Node.js should also reinstall npm.

• After completing the reinstallation, verify the installed versions:

  node -v
  npm -v

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