message: Fully specify demo package name for --ignore
diff: "start:material": "yarn workspace @react-querybuilder/material start",
  "demo": "yarn workspace @react-querybuilder/demo start",
  "build": "lerna run build",
  - "build:packages": "lerna run --ignore demo build",
  + "build:packages": "lerna run --ignore @react-querybuilder/demo build",
  "build:antd": "yarn workspace @react-querybuilder/antd build",
  "build:bootstrap": "yarn workspace @react-querybuilder/bootstrap build",
  "build:bulma": "yarn workspace @react-querybuilder/bulma build",
  