message: update to 8.9.1
diff: "@types/fs-extra": "^5.0.0",
  "@types/glob": "^5.0.30",
  "@types/micromatch": "^3.0.0",
  - "@types/node": "^7.0.59",
  + "@types/node": "^8.9.1",
  "@types/tmp": "^0.0.33",
  "@types/ws": "^4.0.2",
  "ts-loader": "^5.2.1",
  