.syncpackrc

{
  "dependencyTypes": ["prod", "dev", "nodeEngine", "packageManager"],
  "customTypes": {
    "nodeEngine": {
      "path": "engines.node",
      "strategy": "version"
    },
    "engines": {
      "path": "engines",
      "strategy": "versionsByName"
    },
    "packageManager": {
      "path": "packageManager",
      "strategy": "name@version"
    }
  },
  "semverGroups": [
    {
      "label": "use exact version numbers in production",
      "packages": ["**"],
      "dependencyTypes": ["prod"],
      "dependencies": ["**"],
      "range": ""
    }
  ],
  "versionGroups": [
    {
      "dependencies": ["@types/**"],
      "dependencyTypes": ["!dev"],
      "isBanned": true,
      "label": "@types packages should only be under devDependencies"
    }
  ]
}