next.js/examples/with-external-styled-jsx-sass/package.json

{
  "scripts": {
    "dev": "next",
    "build": "next build",
    "start": "next start"
  },
  "dependencies": {
    "next": "latest",
    "react": "^16.2.0",
    "react-dom": "^16.2.0"
  },
  "devDependencies": {
    "node-sass": "^4.7.2",
    "sass-loader": "7.1.0"
  }
}