{
  "lerna": "2.3.1",
  "packages": [
    "packages/*"
  ],
  "version": "1.2.0"
}

{
  "lerna": "2.3.1",
  "packages": [
    "packages/*"
  ],
  "version": "1.2.0",
  "npmClient": "yarn",
  "useWorkspaces": true
}

Use Yarn and Yarn workspace for managing packages
 Use Yarn and Yarn workspace for managing packages
