.eslintrc.json

{
  "root": true,
  "extends": ["plugin:import/react", "airbnb-base"],
  "plugins": ["react"],
  "env": {
    "browser": true,
    "es6": true,
    "jest": true,
    "node": true
  },
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2017,
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "rules": {
    "one-var": 0,
    "one-var-declaration-per-line": 0,
    "new-cap": 0,
    "consistent-return": 0,
    "arrow-parens": ["error", "as-needed"],
    "no-param-reassign": 0,
    "comma-dangle": 0,
    "curly": ["error", "multi-line"],
    "no-unused-vars": 0,
    "class-methods-use-this": 0,
    "import/prefer-default-export": 0,
    "object-curly-newline": 0,
    "no-shadow": [
      "error",
      {
        "allow": ["req", "res", "err"]
      }
    ],
    "no-tabs": ["error", { "allowIndentationTabs": true }]
  },
  "settings": {
    "import/resolver": {
      "node": {
        "extensions": [".js", ".jsx"]
      }
    }
  }
}