.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true,
    "jest": true
  },
  "extends": [
    "airbnb",
    "airbnb/hooks",
    "airbnb-typescript",
    "prettier",
    "plugin:@cspell/recommended",
    "plugin:jsx-a11y/recommended",
    "plugin:storybook/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "project": "tsconfig.eslint.json"
  },
  "plugins": ["@typescript-eslint", "prettier", "jsx-a11y"],
  "rules": {
    "react/require-default-props": "off",
    "react/jsx-uses-react": "off",
    "react/react-in-jsx-scope": "off",
    "prefer-const": "error",
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": "warn",
    "prettier/prettier": ["error"],
    "global-require": "off",
    "max-len": [
      "error",
      120,
      2,
      {
        "ignoreUrls": true,
        "ignoreComments": false,
        "ignoreRegExpLiterals": true,
        "ignoreStrings": true,
        "ignoreTemplateLiterals": true
      }
    ],
    "object-curly-newline": "off",
    "padded-blocks": "off",
    "react/prefer-stateless-function": "off",
    "max-depth": ["error", 4],
    "max-nested-callbacks": ["error", 5],
    "max-params": ["error", 4],
    "complexity": ["error", 20],
    "@cspell/spellchecker": ["error"],
    "react/jsx-props-no-spreading": "off",
    "import/no-extraneous-dependencies": [
      "error",
      {
        "devDependencies": ["**/stories/**/*.*", "**/.storybook/**/*.*"],
        "peerDependencies": true
      }
    ]
  },
  "overrides": [
    {
      "files": ["spec/**/*.{ts,tsx,js,jsx}"],
      "env": {
        "node": true,
        "jest": true,
        "jest/globals": true
      },
      "plugins": ["jest", "no-snapshot-testing", "testing-library"],
      "extends": ["plugin:jest/recommended", "plugin:testing-library/react"],
      "rules": {
        // https://github.com/testing-library/eslint-plugin-testing-library/blob/main/docs/rules/no-node-access.md
        "testing-library/no-node-access": ["error", { "allowContainerFirstChild": true }],
        // https://github.com/VicJer/eslint-plugin-no-snapshot-testing
        "no-snapshot-testing/no-snapshot-testing": "error",
        "import/no-extraneous-dependencies": [
          "error",
          { "devDependencies": true, "peerDependencies": true }
        ]
      }
    }
  ],
  "ignorePatterns": ["*.config.js", "lib/**/*.js", "lib/**/*.d.ts", "docs/**/*.js", "jest.setup.ts"]
}