message: Infra: typecheck in pretest
diff: "prepare": "yarn workspace @stylable/runtime build",
  "clean": "lerna run clean --stream --parallel",
  "build": "lerna run build --stream",
  - "pretest": "yarn lint",
  + "typecheck": "tsc --noEmit",
  "lint": "yarn tslint -p tsconfig.json",
  - "test": "lerna run test --stream",
  - "typecheck": "tsc --noEmit"
  + "pretest": "yarn typecheck && yarn lint",
  + "test": "lerna run test --stream"
  },
  "devDependencies": {
  "@ts-tools/build": "^0.11.2",
  