.eslintrc.json

{
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:@typescript-eslint/recommended",
    "prettier",
    "plugin:prettier/recommended",
    "plugin:testing-library/react",
    "plugin:jest-dom/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "settings": {
    "react": {
      "pragma": "React",
      "version": "detect"
    }
  },
  "plugins": [
    "react",
    "@typescript-eslint",
    "prettier",
    "testing-library",
    "jest-dom"
  ],
  "rules": {
    "react/prop-types": "off",
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "prettier/prettier": ["error", { "singleQuote": true }]
  }
}