message: MINOR: Fixed typescript version in harp-features-datasource
diff: "mocha": "^5.2.0",
  "sinon": "^7.2.3",
  "source-map-support": "^0.5.2",
  - "typescript": "^3.3.0"
  + "typescript": "^3.4.1"
  },
  "publishConfig": {
  "access": "public"
  