.eslintrc

{
  "parser": "babel-eslint",
  "extends": "airbnb",
  "rules": {
    "comma-dangle": ["error", {
      "arrays": "always-multiline",
      "objects": "always-multiline",
      "imports": "always-multiline",
      "exports": "always-multiline",
      "functions": "never"
    }],
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"]}]
  }
}