.eslintrc.json

{
  "env": {
    "browser": true,
    "node": false,
    "es6": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:react/recommended",
    "plugin:react/jsx-runtime",
    "plugin:jsx-a11y/recommended",
    "plugin:react-hooks/recommended",
    "plugin:compat/recommended",
    "plugin:tailwindcss/recommended",
    "prettier"
  ],
  "parserOptions": {
    "ecmaVersion": 2022,
    "project": ["./tsconfig.json"]
  },
  "rules": {
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "vars": "all",
        "args": "after-used",
        "ignoreRestSiblings": true,
        "argsIgnorePattern": "^_",
        "destructuredArrayIgnorePattern": "^_"
      }
    ],
    "@typescript-eslint/no-misused-promises": "warn",

    // not included into recommended set rules
    "@typescript-eslint/restrict-template-expressions": "off",
    "@typescript-eslint/consistent-type-imports": [
      "warn",
      { "prefer": "type-imports" }
    ],
    "@typescript-eslint/require-await": "off",
    "sort-imports": "off", // we use TypeScripts' organize imports feature
    "@typescript-eslint/no-var-requires": "error",
    "@typescript-eslint/no-non-null-asserted-nullish-coalescing": "error",
    "@typescript-eslint/no-unnecessary-condition": "warn",
    "@typescript-eslint/non-nullable-type-assertion-style": "warn",
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/prefer-includes": "error",
    "@typescript-eslint/prefer-optional-chain": "error",
    "@typescript-eslint/prefer-nullish-coalescing": "error",
    "@typescript-eslint/prefer-reduce-type-parameter": "error",
    "@typescript-eslint/prefer-string-starts-ends-with": "error",
    "@typescript-eslint/promise-function-async": [
      "error",
      { "checkArrowFunctions": false }
    ],
    "@typescript-eslint/sort-type-union-intersection-members": "warn",

    // not enforced by prettier
    "lines-between-class-members": [
      "warn",
      "always",
      { "exceptAfterSingleLine": true }
    ],

    "tailwindcss/classnames-order": [
      "warn",
      {
        "officialSorting": true,
        "config": "tailwind.config.cjs"
      }
    ]
  },
  "settings": {
    "tailwindcss": {
      "config": "tailwind.config.cjs"
    }
  }
}