.eslintrc.json

{
    "extends": [
      "eslint:recommended",
      "plugin:import/recommended",
      "plugin:jsx-a11y/recommended",
      "plugin:react/recommended",
      "plugin:react/jsx-runtime",
      "plugin:react-hooks/recommended",
      "prettier"
    ],
    "overrides": [
      {
        // enable eslint-plugin-testing-library rules or preset only for matching files!
        "files": ["**/__tests__/**/*.[jt]s?(x)", "**/?(*.)+(spec|test).[jt]s?(x)"],
        "extends": ["plugin:jest/recommended", "plugin:testing-library/react"]
      },
      {
        "files": ["**/*.ts?(x)"],
        "parser": "@typescript-eslint/parser",
        "extends": ["plugin:@typescript-eslint/recommended", "plugin:import/typescript"]
      }
    ],
    "rules": {
      // for testing if eslint works properly,
      // feel free to remove this if you do not need it
      "import/no-unused-modules": [1, { "unusedExports": true }]
    },
    "settings": {
      "import/parsers": {
        "@typescript-eslint/parser": [".ts", ".tsx"]
      },
      "import/resolver": {
        "typescript": {}
      },
      "react": {
        "version": "detect"
      }
    }
  }