.eslintrc

{
  "parser": "babel-eslint",
  "extends": ["airbnb", "prettier", "prettier/react"],
  "plugins": ["prettier"],
  "parserOptions": {
      "ecmaVersion": 6,
      "ecmaFeatures": {
          "jsx": true
      }
  },
  "env": {
      "browser": true,
      "node": true,
      "mocha": true,
      "es6": true,
      "jest": true
  },
  "rules": {
      "indent": ["error", 4],
      "space-before-function-paren": "off",
      "react/prefer-stateless-function": "warn",
      "react/jsx-one-expression-per-line": "off",
      "import/no-extraneous-dependencies": [
          "error",
          { "devDependencies": true }
      ],
      "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
      "linebreak-style": "off",
      "global-require": "off",
      "semi": "warn",
      "arrow-body-style": "off",
      "no-multiple-empty-lines": ["warn", { "max": 1 }],
      "no-unused-expressions": [
          "error",
          {
              "allowTaggedTemplates": true
          }
      ],
      "no-underscore-dangle": [
          2,
          { "allow": ["__REDUX_DEVTOOLS_EXTENSION__"] }
      ]
  }
}