start.sh

#!/bin/bash
PROJECT_PATH=$(dirname "$0")

installHomebrew() {
	printf "\nInstalling Homebrew...\n"
	ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" &&
	brew update
}

installNode() {
	printf "\nInstalling Node.js...\n"
	brew install node
}

installDependencies() {
	printf "\nChecking dependencies...\n\n"
	printf "You might need to type your password\n"
	printf "don't be afraid!\n"
	cd "$PROJECT_PATH"
	sudo npm install
}

createLockFile() {
	cd "$PROJECT_PATH" &&
	touch .install.lock
}

run() {
	printf "\nLet's start this thing...\n"
	cd "$PROJECT_PATH" &&
	npm start
}

cd "$PROJECT_PATH" &&
if [ ! -f .install.lock ]; 
then
	type node >/dev/null 2>&1
	if [ $? -eq 1 ]
	then
		type brew >/dev/null 2>&1
		if [ $? -eq 1 ]
		then
			installHomebrew
			installNode
			installDependencies
			createLockFile
			run
		else
			installNode
			installDependencies
			createLockFile
			run
		fi
	else
		installDependencies
		createLockFile
		run
	fi
else
	run
fi