package.json snippet with jest test runner, prettier formatter and eslint

package.lint.test.json

{
  "prettier": {
      "arrowParens": "always",
      "bracketSpacing": true,
      "jsxBracketSameLine": true,
      "printWidth": 90,
      "semi": true,
      "singleQuote": true,
      "tabWidth": 2,
      "trailingComma": "es5",
      "useTabs": false
   },
   "jest": {
      "collectCoverage": true,
      "collectCoverageFrom": ["lib/*.{js,jsx}", "!**/node_modules/**", "!**/vendor/**"],
      "notify": true,
      "projects": ["<rootDir>"]
   },
   "scripts": {
      "clean": "npm run clean:build; npm run clean:npm",
      "clean:build": "rm -rf ./build",
      "clean:npm": "rm -rf ./node_modules",
      "build": "npm run clean:build; npm run lint; babel lib -d build",
      "dev": "npm run lint & npm run test:watch",
      "lint": "eslint --fix --quiet lib/** test/**",
      "lint:watch": "chokidar --initial './lib' './test' -c 'npm run lint --silent'",
      "prepublish": "npm run build",
      "test:watch": "chokidar --initial './test' './lib' -c 'npm run test --silent'",
      "test": "jest test/*.test.js"
   },
   "devDependencies": {
      "babel-cli": "^6.26.0",
      "babel-core": "^6.26.0",
      "babel-eslint": "^7.2.3",
      "babel-jest": "^22.1.0",
      "babel-preset-env": "^1.6.1",
      "babel-preset-es2015": "^6.24.1",
      "babel-preset-react": "^6.24.1",
      "chai": "^4.1.2",
      "chokidar-cli": "^1.2.0",
      "eslint": "^4.15.0",
      "eslint-config-react-app": "^2.1.0",
      "eslint-plugin-flowtype": "^2.41.0",
      "eslint-plugin-import": "^2.8.0",
      "eslint-plugin-jsx-a11y": "^5.1.1",
      "eslint-plugin-prettier": "^2.5.0",
      "eslint-plugin-react": "^7.5.1",
      "eslint-watch": "^3.1.3",
      "jest": "^22.1.2",
      "prettier": "^1.10.2",
      "prettier-eslint": "^8.2.1"
   },
}