dev-train-doc/package.json

{
  "devDependencies": {
    "chalk": "^2.4.2",
    "commander": "^2.20.3",
    "esm": "^3.2.25",
    "vuepress": "^1.5.3",
    "vuepress-theme-reco": "1.5.5"
  },
  "scripts": {
    "dev": "vuepress dev .",
    "build": "vuepress build ."
  }
}