Uninstalling system Node.js and npm in preparation for reinstall via nvm

nodejs-uninstall-deletion-list.txt

# This list was derived from the macOS installer for Node.js v10.15 and might not be complete
# Additionally, if you have modified your npm prefix, you will also need to address that directory

/usr/local/bin/node
/usr/local/include/node
/usr/local/lib/dtrace/node.d
/usr/local/lib/node_modules
/usr/local/share/doc/node
/usr/local/share/man/man1/node.1
/usr/local/share/systemtap/tapset/node.stp
/usr/local/lib/node_modules

$HOME/.node-gyp
$HOME/.node_repl_history
$HOME/.npm
$HOME/.npmrc

npm-backup.sh

cd $HOME \
&& mkdir .npm-backup \
&& export NVM_PREP_DIR="$HOME/.npm-backup" \
&& cd $NVM_PREP_DIR \
&& npm -g ls --depth 0 > "$NVM_PREP_DIR/global-packages" \
&& npm -g config ls > "$NVM_PREP_DIR/config-ls" \
&& npm -g config ls -l > "$NVM_PREP_DIR/config-ls-l" \
&& npm -g config ls --json > "$NVM_PREP_DIR/config-ls-json" \
&& echo "npm backup complete" \
&& echo "Files stored at $NVM_PREP_DIR"