{
  "scripts": {
    "start": "webpack --watch-stdin --progress --color --config config/webpack.config.js"
  },
  "devDependencies": {
    "babel-core": "^6.11.4",
    "babel-loader": "^6.2.4",
    "webpack": "^1.13.1"
  }
}

{
  "scripts": {
    "start": "webpack --watch-stdin --progress --color --config config/webpack.config.js"
  },
  "devDependencies": {
    "babel-core": "^6.11.4",
    "babel-loader": "^6.2.4",
    "babel-plugin-transform-runtime": "^6.12.0",
    "babel-preset-es2015": "^6.9.0",
    "babel-preset-react": "^6.11.1",
    "babel-preset-stage-0": "^6.5.0",
    "webpack": "^1.13.1"
  },
  "dependencies": {
    "babel-polyfill": "^6.9.1",
    "babel-runtime": "^6.11.6"
  }
}

Install babel presets, runtime and polyfill
Install babel presets, runtime and polyfill
