.eslintrc.json

{
  "extends": ["airbnb", "prettier"],
  "plugins": ["prettier"],
  "rules": {
    "prettier/prettier": "warn",
    "no-unused-vars": "warn",
    "arrow-body-style": "warn",
    "no-console": "off",
    "func-names": "off",
    "object-shorthand": "off",
    "class-methods-use-this": "off",
    "no-plusplus": "off",
    "no-underscore-dangle": "off",
    "no-param-reassign": "off",
    "no-alert": "off",
    "no-use-before-define": "warn",
    "no-continue": "warn",
    "prefer-destructuring": [
      "error",
      { "AssignmentExpression": { "array": false } }
    ],
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": ["**/webpack.*.js"]
      }
    ]
  },
  "overrides": [
    {
      "files": ["**/*.test.js", "**/*.test.jsx"],
      "env": {
        "jest": true
      }
    }
  ],
  "env": {
    "browser": true
  }
}