NPM no more 'sudo'

NPM N0 more Sudo

Copy and paste following commands into terminal
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brew install node --without-npm
mkdir "${HOME}/.npm-packages"
echo NPM_PACKAGES="${HOME}/.npm-packages" >> ${HOME}/.bashrc
echo NPM_PACKAGES="${HOME}/.npm-packages" >> ${HOME}/.zshrc
echo prefix=${HOME}/.npm-packages >> ${HOME}/.npmrc
curl -L https://www.npmjs.org/install.sh | sh
echo NODE_PATH=\"\$NPM_PACKAGES/lib/node_modules:\$NODE_PATH\" >> ${HOME}/.bashrc
echo NODE_PATH=\"\$NPM_PACKAGES/lib/node_modules:\$NODE_PATH\" >> ${HOME}/.zshrc
echo PATH=\"\$NPM_PACKAGES/bin:\$PATH\" >> ${HOME}/.bashrc
echo PATH=\"\$NPM_PACKAGES/bin:\$PATH\" >> ${HOME}/.zshrc
echo source "~/.bashrc" >> ${HOME}/.bash_profile
echo source "~/.bashrc" >> ${HOME}/.zprofile
source ~/.bashrc
source ~/.zshrc