[Node] [npm] Install npm packeage on MacOS / Linux without sudo

Install npm packages globally without sudo on macOS and Linux

npm installs packages locally within your projects by default. You can also install packages globally (e.g. npm install -g <package>) (useful for command-line apps). However the downside of this is that you need to be root (or use sudo) to be able to install globally.

Here is a way to install packages globally for a given user.

  1. Create a directory for global packages
mkdir "${HOME}/.npm-packages"
  1. Tell npm where to store globally installed packages
npm config set prefix "${HOME}/.npm-packages"
  1. Ensure npm will find installed binaries and man pages

Add the following to your .bashrc/.zshrc:



# Preserve MANPATH if you already defined it somewhere in your config.
# Otherwise, fall back to `manpath` so we can inherit from `/etc/manpath`.
export MANPATH="${MANPATH-$(manpath)}:$NPM_PACKAGES/share/man"

If you're using fish, add the following to ~/.config/fish/config.fish:

set NPM_PACKAGES "$HOME/.npm-packages"



If you have erased your MANPATH by mistake, you can restore it by running set -Ux MANPATH (manpath -g) $MANPATH once. Do not put this command in your config.fish.

Check out npm-g_nosudo for doing the above steps automagically

NOTE: If you are running macOS, the .bashrc file may not yet exist, and the terminal will be obtaining its environment parameters from another file, such as .profile or .bash_profile. These files also reside in the user's home folder. In this case, simply adding the following line to them will instruct Terminal to also load the .bashrc file:

source ~/.bashrc

See also: npm's documentation on "Fixing npm permissions".



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