jupyterlab/examples/notebook/package.json

{
  "private": true,
  "name": "jupyter-js-notebook-example",
  "scripts": {
    "build": "tsc --project src && webpack --config webpack.conf.js",
    "clean": "rimraf build && rimraf node_modules",
    "postinstall": "npm dedupe",
    "update": "rimraf node_modules/jupyter-js-notebook && npm install"
  },
  "devDependencies": {
    "concurrently": "^2.0.0"
  }
}