Eslint + prettier

.editorconfig

[*]
indent_style = space
end_of_line = lf
indent_size = 2
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true

[*.md]
max_line_length = 0
trim_trailing_whitespace = false

.eslintignore

node_modules
dist
package.json

.eslintrc

{
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier",
    "prettier/flowtype",
    "prettier/react",
  ],
  "plugins": [
    "react",
    "prettier"
  ],
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "globals": {
    "shallow": true,
    "render": true,
    "mount": true,
  },
  "env": {
    "es6": true,
    "node": true,
    "jest": true
  },
  "rules": {
    "prettier/prettier": "error",
    "no-var": "error",
    "no-useless-constructor": "error",
    "react/prefer-stateless-function": "error"
  }
}

.prettierrc

{
  "singleQuote": true,
  "semi": false,
}

package.json

{
  "scripts": {
    "lint:js": "eslint --ext .js .",
    "eslint-check": "eslint --print-config .eslintrc | eslint-config-prettier-check"
  },
  "private": true,
  "devDependencies": {
    "babel-eslint": "^8.0.3",
    "eslint": "^4.10.0",
    "eslint-config-prettier": "^2.6.0",
    "eslint-plugin-import": "^2.8.0",
    "eslint-plugin-node": "^5.2.1",
    "eslint-plugin-prettier": "^2.3.1",
    "eslint-plugin-react": "^7.4.0",
    "prettier": "1.7.4"
  }
}