React Slingshot OSX Setup

readme.md

OSX Setup for React-Slingshot

This is a guide of how I setup my mac to run react-slingshot the for the first time.

• Installed (homebrew)[https://brew.sh/]
  • /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
• Installed (nvm)[https://github.com/creationix/nvm]
  • curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.4/install.sh | bash
• Used nvm to install node 6.11
• run npm install
• verify dev server with npm start
  • tests broke :(
• installed watchman with homebrew
• simplier verification step, ran npm run test
  • worked, but found an error related to proptypes (related to react-router-dom/Link, package update should fix)
• attempted to verify app again with npm start - SUCCESS
  • still think we have the double ^C issue though
• final check npm run build

I am facing a issue with initial setup.
git clone
npm install
npm start

after start message it fails
react-slingshot@7.0.1 start: concurrently -k -r -s first "npm run test:watch" "npm run open:src" "npm run lint:watch"

please provide a solution.
I have tried upgrading to latest version of node and also deleted node_modules and did npm install again but it fails.