message: Add cross-env to tasks and extend for luxon
diff: "react-text-mask": "^5.1.0"
  },
  "scripts": {
  - "test": "npm run test:moment && npm run test:date-fns",
  - "all-tests": "jest && npm run typescript",
  + "test": "cross-env NODE_ICU_DATA=node_modules/full-icu && npm run test:moment && npm run test:date-fns && npm run test:luxon",
  + "all-tests": "cross-env NODE_ICU_DATA=node_modules/full-icu jest && npm run typescript",
  "test:moment": "cross-env UTILS=moment && npm run all-tests",
  "test:date-fns": "cross-env UTILS=date-fns && npm run all-tests",
  "test:luxon": "cross-env UTILS=luxon && npm run all-tests",
  "postrelease": "npm run build && npm publish build",
  "lint": "eslint ./src/**/*.js*",
  "lint-fix": "npm run lint -- --fix",
  - "postinstall": "node -e \"console.log('\\u001b[35m\\u001b[1m Did not forget to install date-fns@next or moment?')\""
  + "postinstall": "node -e \"console.log('\\u001b[35m\\u001b[1m Did not forget to install date-fns@next, luxon or moment?')\""
  },
  "devDependencies": {
  "@types/classnames": "^2.2.3",
  "eslint-plugin-jsx-a11y": "^6.0.2",
  "eslint-plugin-react": "^7.7.0",
  "fs-extra": "^4.0.2",
  + "full-icu": "^1.2.1",
  "glob": "^7.1.2",
  "jest": "^21.2.1",
  "material-ui": "^1.0.0-beta.35",
  