message: Add postinstall hook
diff: "node": ">=6.9"
  },
  "scripts": {
  + "postinstall": "npm run build",
  "build": "tsc --project ./tsconfig.json",
  "test": "BLUEBIRD_DEBUG=1 node --max_old_space_size=3072 node_modules/jasmine/bin/jasmine.js --stop-on-failure=true",
  "lint:js": "eslint --max-warnings 0 src/**/*.js app.js spec",
  