message: partially revert Microsoft#625
diff: "private": true,
  "scripts": {
  "build": "tsc --p ./tsconfig.json && node ./lib/index.js",
  - "fetch-idl": "npm run build && node ./lib/idlfetcher.js",
  + "fetch-idl": "tsc --p ./tsconfig.json && node ./lib/idlfetcher.js",
  "fetch-mdn": "npm run build && node ./lib/mdnfetcher.js",
  "fetch": "echo This could take a few minutes... && npm run fetch-idl && npm run fetch-mdn",
  "baseline-accept": "cpx \"generated\\*\" baselines\\",
  