{
  "name": "express-server",
  "version": "0.0.1",
  "private": true,
  "babel": {
    "presets": [
      "es2015",
      "stage-0"
    ]
  },
  "dependencies": {
    "express": "^4.14.0"
  },
  "scripts": {
    "start": "concurrently \"npm run server\" \"npm run client\"",
    "server": "babel-node server.js",
    "client": "babel-node start-client.js"
  },
  "devDependencies": {
    "babel-cli": "^6.22.2",
    "babel-core": "^6.22.1",
    "babel-preset-es2015": "^6.22.0",
    "babel-preset-react": "^6.22.0",
    "babel-preset-stage-0": "^6.22.0",
    "concurrently": "^2.2.0"
  }
}

{
  "name": "express-server",
  "version": "0.0.1",
  "private": true,
  "babel": {
    "presets": [
      "es2015",
      "stage-0"
    ]
  },
  "dependencies": {
    "child-process-promise": "^2.2.0",
    "express": "^4.14.0"
  },
  "scripts": {
    "start": "concurrently \"npm run server\" \"npm run client\"",
    "server": "babel-watch src/server.js",
    "client": "babel-node start-client.js",
    "build": "babel src -d dist",
    "serve": "node dist/server.js"
  },
  "devDependencies": {
    "babel-cli": "^6.22.2",
    "babel-core": "^6.22.1",
    "babel-preset-es2015": "^6.22.0",
    "babel-preset-react": "^6.22.0",
    "babel-preset-stage-0": "^6.22.0",
    "babel-watch": "^2.0.6",
    "concurrently": "^2.2.0"
  }
}

Add babel-watch and child-process-promise dependencies
Add babel-watch and child-process-promise dependencies
