#!/bin/bash
set -e

function __install_nvm {
    curl -s -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
    source ~/.nvm/nvm.sh
    nvm install node 2>/dev/null
    nvm alias default node
}

function _npm {
    local pkg=$1
    if ! npm list -g $pkg >/dev/null; then
        _run "[npm] Install $pkg" npm install --no-progress -g $@
    else
        echo "[npm] $pkg is already installed, skipping."
    fi
}

if ! [ -f ~/.nvm/nvm.sh ]; then
    _run "Install nvm" __install_nvm
fi