Running lvim with its own isolated nodejs using nix-shell

.zshrc

v() {
  # runs nvim in a nix-shell with nodejs_20
  # sets NPM_GLOBAL_DIR so no sudo is needed to install global npm packages
  NODE_STR="nodejs_20"
  NPM_GLOBAL_DIR="/home/$USER/.npm-global/$NODE_STR"
  mkdir -p $NPM_GLOBAL_DIR
  echo "running lvim $1"
  echo "within nix-shell -p $NODE_STR"
  PATH=$NPM_GLOBAL_DIR/bin:$PATH NPM_CONFIG_PREFIX=$NPM_GLOBAL_DIR nix-shell -p $NODE_STR --run "lvim $1" 
}

# useful aliases
alias vv="v ."
alias vz="v ~/.zshrc"
alias voh="v ~/.oh-my-zsh"
alias vc="v ~/.config/lvim/config.lua"