.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "globals": {
    "React": true,
    "google": true,
    "mount": true,
    "mountWithRouter": true,
    "shallow": true,
    "shallowWithRouter": true,
    "context": true,
    "expect": true,
    "jsdom": true,
    "JSX": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "airbnb",
    "airbnb/hooks",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:import/typescript"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {
      "tsx": true
    },
    "ecmaVersion": 12,
    "sourceType": "module"
  },
  "plugins": [
    "react",
    "@typescript-eslint",
    "only-warn",
    "react-hooks",
    "unused-imports"
  ],
  "rules": {
    "react/react-in-jsx-scope": "off",
    "react/jsx-filename-extension": [
      1,
      { "extensions": [".js", ".jsx", "ts", "tsx", ".d.ts"] }
    ],
    "import/extensions": [0],
    "react-hooks/rules-of-hooks": "error", // Checks rules of Hooks
    "react-hooks/exhaustive-deps": "warn", // Checks effect dependencies
    "no-unused-vars": "off", // or "@typescript-eslint/no-unused-vars": "off",
    "unused-imports/no-unused-imports": "error",
    "unused-imports/no-unused-vars": [
      "warn",
      {
        "vars": "all",
        "varsIgnorePattern": "^_",
        "args": "after-used",
        "argsIgnorePattern": "^_"
      }
    ],
    "react/function-component-definition": [
      2,
      {
        "namedComponents": "arrow-function",
        "unnamedComponents": "arrow-function"
      }
    ]
  },
  "settings": {
    "import/resolver": {
      "typescript": {} // this loads tsconfig.json to eslint
    }
  }
}