message: build(docs-infra): do not exit preview server `dev` script when `build` fails
  PR Close
diff: "prebuild-watch": "yarn prebuild",
  "build-watch": "yarn ~~build-watch",
  "clean-dist": "node --eval \"require('shelljs').rm('-rf', 'dist')\"",
  - "predev": "yarn build",
  + "predev": "yarn build || true",
  "dev": "concurrently --kill-others --raw --success first \"yarn ~~build-watch\" \"yarn ~~test-watch\"",
  "lint": "tslint --project tsconfig.json",
  "pretest": "yarn build",
  