{
  "private": true,
  "devDependencies": {
    "babel-core": "^6.9.1",
    "babel-eslint": "^6.0.4",
    "babel-plugin-transform-flow-strip-types": "^6.8.0",
    "eslint": "^2.12.0",
    "eslint-plugin-babel": "^3.2.0",
    "fbjs-scripts": "^0.7.1",
    "flow-bin": "^0.27.0",
    "glob": "^7.0.3",
    "lerna": "2.0.0-beta.19",
    "minimatch": "^3.0.0",
    "progress": "^1.1.8",
    "rimraf": "^2.5.2"
  },
  "scripts": {
    "lint": "eslint .",
    "postinstall": "node ./scripts/postinstall.js && node ./scripts/build.js",
    "test": "npm run typecheck && npm run lint && node ./scripts/build.js && node ./scripts/test.js",
    "typecheck": "flow check"
  }
}

{
  "private": true,
  "devDependencies": {
    "babel-core": "^6.9.1",
    "babel-eslint": "^6.0.4",
    "babel-plugin-transform-flow-strip-types": "^6.8.0",
    "chalk": "^1.1.3",
    "eslint": "^2.12.0",
    "eslint-plugin-babel": "^3.2.0",
    "fbjs-scripts": "^0.7.1",
    "flow-bin": "^0.27.0",
    "glob": "^7.0.3",
    "lerna": "2.0.0-beta.19",
    "minimatch": "^3.0.0",
    "progress": "^1.1.8",
    "rimraf": "^2.5.2"
  },
  "scripts": {
    "lint": "eslint .",
    "postinstall": "node ./scripts/postinstall.js && node ./scripts/build.js",
    "test": "npm run typecheck && npm run lint && node ./scripts/build.js && node ./scripts/test.js",
    "typecheck": "flow check"
  }
}

Add chalk to the dev dependencies of the root project.
Add chalk to the dev dependencies of the root project.