.eslintrc.json

{
  "env": {
    "browser": true,
    "jest/globals": true,
    "cypress/globals": true,
    "es2021": true
  },
  "extends": ["airbnb", "prettier", "plugin:@next/next/recommended"],
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "plugins": ["react", "prettier", "react-hooks"],
  "rules": {
    "import/no-cycle": 1,
    "import/prefer-default-export": 1,
    "react/react-in-jsx-scope": "off",
    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
    "react/jsx-props-no-spreading": "off",
    "import/no-extraneous-dependencies": ["error", { "devDependencies": true }]
  },
  "overrides": [
    {
      // Limit jest and testing library to /__tests__/ dir
      "files": "__tests__/**/*.js",
      "extends": [
        "airbnb",
        "prettier",
        "plugin:@next/next/recommended",
        "plugin:testing-library/react",
        "plugin:jest/all"
      ],
      "plugins": [
        "react",
        "prettier",
        "testing-library",
        "react-hooks",
        "jest"
      ],
      "rules": {
        "react/react-in-jsx-scope": "off",
        "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
        "react/jsx-props-no-spreading": "off",
        "jest/no-hooks": [
          "error",
          { "allow": ["afterEach", "afterAll", "beforeEach", "beforeAll"] }
        ],
        "jest/require-hook": [
          "error",
          { "allowedFunctionCalls": ["enableFetchMocks"] }
        ],
        "jest/no-commented-out-tests": "warn",
        "testing-library/no-render-in-setup": [
          "error",
          { "allowTestingFrameworkSetupHook": "beforeEach" }
        ]
      }
    },
    {
      // Limit cypress to /cypress/ dir
      "files": "cypress/**/*.js",
      "extends": [
        "airbnb",
        "prettier",
        "plugin:@next/next/recommended",
        "plugin:cypress/recommended"
      ],
      "plugins": ["react", "prettier", "react-hooks", "cypress"],
      "rules": {}
    }
  ]
}