message: Run typechecking on CI
diff: "test": "jest",
  "pretest:contract": "tsc -p ./",
  "test:contract": "node ./out/test/run-contract-tests.js",
  - "test:ci": "yarn test && yarn test:contract",
  + "test:ci": "yarn typecheck && yarn test && yarn test:contract",
  "typecheck": "tsc -p tsconfig.json --noEmit",
  "lint": "eslint -c .eslintrc.js --ext .ts src",
  "build": "run-p -l build:*",
  