.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "env": {
    "browser": true,
    "node": true
  },
  "plugins": ["@typescript-eslint", "prettier", "jsx-a11y"],
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:react/recommended",
    "plugin:jsx-a11y/recommended",
    "plugin:prettier/recommended"
  ],
  "rules": {
    "react/react-in-jsx-scope": "off",
    "react/prop-types": "off",
    "@typescript-eslint/no-unused-vars": [
      "error",
      { "ignoreRestSiblings": true }
    ]
  },
  "overrides": [
    {
      "files": "*.js",
      // rule overrides for js config files (next.config.js, etc.)
      "rules": {
        "@typescript-eslint/no-var-requires": "off"
      }
    }
  ]
}