lazy-nvm.sh

#!/bin/bash

function lazy_nvm {
  unset -f nvm
  unset -f npm
  unset -f node
  unset -f npx

  export NVM_DIR="$HOME/.nvm"
  [ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # linux
  [ -s "$(brew --prefix nvm)/nvm.sh" ] && source $(brew --prefix nvm)/nvm.sh # osx
}

# aliases
function nvm { lazy_nvm; nvm "$@"; }
function npm { lazy_nvm; npm "$@"; }
function node { lazy_nvm; node "$@"; }
function npx { lazy_nvm; npx "$@"; }