React + Babelify + Watchify with Node Scripts

package.json

{
  "private": true,
  "name": "ReactValidation",
  "version": "1.0.0",
  "description": "Validates form elements.",
  "repository": {
    "type": "git",
    "url": "git@bitbucket.org:Enijar/reactvalidation.git"
  },
  "dependencies": {
    "react": "^0.14.3",
    "react-dom": "^0.14.3"
  },
  "devDependencies": {
    "babelify": "^6.1.3",
    "browserify": "^12.0.1",
    "browserify-incremental": "^3.0.1",
    "nodemon": "^1.3.8"
  },
  "browserify": {
    "transform": [
      "babelify"
    ]
  },
  "scripts": {
    "build": "npm run compile:js && npm run compile:sass",
    "watch": "npm run watch:js & npm run watch:sass",
    "notify:js": "osascript -e 'display notification \"JavaScript compiled to public/assets/js/bundle.js\" with title \"JavaScript Compiled\"'",
    "notify:sass": "osascript -e 'display notification \"CSS compiled to public/assets/js/app.js\" with title \"CSS Compiled\"'",
    "compile:js": "browserifyinc -e resources/assets/js/app.js -o public/assets/js/bundle.js --cachefile .browserify-cache.json && npm run notify:js",
    "compile:sass": "sass resources/assets/sass/app.scss:public/assets/css/app.css && npm run notify:sass",
    "watch:js": "nodemon --watch 'resources/assets/js' --exec 'npm run compile:js'",
    "watch:sass": "nodemon --watch 'resources/assets/sass' -e scss --exec 'npm run compile:sass'"
  }
}

Run with npm run watch.

Requires ruby-sass to work and node.js.