.eslintrc.json

{
  "env": {
    "es2021": true,
    "node": true,
    "browser": true,
    "commonjs": true
  },
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "warnOnUnsupportedTypeScriptVersion": false,
    "tsconfigRootDir": "./",
    "project": ["./tsconfig.json"],
    "sourceType": "module",
    "ecmaVersion": 2022,
    "ecmaFeatures": {
      "impliedStrict": true
    }
  },
  "settings": {
    "react": {
      "version": "detect"
    },
    "import/resolver": {
      "typescript": { "project": "./" }
    }
  },
  "plugins": [
    "react-hooks",
    "react",
    "@typescript-eslint",
    "jsx-a11y",
    "import",
    "unicorn"
  ],
  "extends": [
    "next/core-web-vitals",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:jsx-a11y/recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "prettier"
  ],
  "rules": {
    "react/prop-types": "off",
    "@next/next/no-img-element": "off",
    "@next/next/no-html-link-for-pages": "off",
    "unicorn/escape-case": "error",
    "unicorn/number-literal-case": "error",
    "unicorn/empty-brace-spaces": "error",
    "unicorn/prefer-array-find": "error",
    "unicorn/prefer-array-flat": "error",
    "unicorn/prefer-array-flat-map": "error",
    "unicorn/prefer-array-index-of": "error",
    "unicorn/prefer-at": "error",
    "unicorn/prefer-negative-index": "error",
    "unicorn/prefer-object-from-entries": "error",
    "unicorn/prefer-prototype-methods": "error",
    "unicorn/prefer-reflect-apply": "error",
    "unicorn/prefer-includes": "error",
    "unicorn/prefer-regexp-test": "error",
    "unicorn/prefer-modern-math-apis": "error",
    "unicorn/prefer-native-coercion-functions": "error",
    "unicorn/prefer-module": "error",
    "unicorn/prefer-logical-operator-over-ternary": "error",
    "unicorn/prefer-export-from": "error",
    "unicorn/prefer-date-now": "error",
    "unicorn/prefer-default-parameters": "error",
    "unicorn/prefer-optional-catch-binding": "warn",
    "unicorn/prefer-string-starts-ends-with": "error",
    "unicorn/prefer-string-trim-start-end": "error",
    "unicorn/prefer-string-replace-all": "error",
    "unicorn/prefer-string-slice": "error",
    "unicorn/prefer-top-level-await": "error",
    "unicorn/custom-error-definition": "error",
    "unicorn/error-message": "error",
    "unicorn/no-array-method-this-argument": "error",
    "unicorn/no-object-as-default-parameter": "error",
    "unicorn/no-useless-spread": "error",
    "unicorn/no-useless-fallback-in-spread": "error",
    "unicorn/no-useless-promise-resolve-reject": "error",
    "unicorn/no-useless-undefined": "error",
    "unicorn/throw-new-error": "error",
    "prefer-const": "off",
    "array-callback-return": ["error", { "allowImplicit": true }],
    "indent": ["error", 4, { "SwitchCase": 1 }],
    "semi": ["error", "always"],
    "@typescript-eslint/no-namespace": "off",
    "@typescript-eslint/unbound-method": "off",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/prefer-namespace-keyword": "off",
    "@typescript-eslint/adjacent-overload-signatures": "off",
    "@typescript-eslint/no-inferrable-types": ["warn", { "ignoreParameters": true, "ignoreProperties": true }],
    "@typescript-eslint/no-unused-vars": ["warn", { "vars": "all", "args": "none", "ignoreRestSiblings": false }],
    "@typescript-eslint/no-misused-promises": ["error", { "checksVoidReturn": false }],
    "@typescript-eslint/no-empty-function": "off",
    "@typescript-eslint/restrict-template-expressions": ["error", {
      "allowNumber": true,
      "allowBoolean": true,
      "allowAny": false,
      "allowNullish": false,
      "allowRegExp": true
    }]
  },
  "overrides": [
    {
      "files": ["*.js"],
      "rules": {
        "@typescript-eslint/no-var-requires": "error",
        "@typescript-eslint/explicit-function-return-type": "error",
        "@typescript-eslint/ban-types": [
          "error",
          {
            "types": {
              "{}": false
            }
          }
        ],
        "react/prop-types": ["off"],
        "react/react-in-jsx-scope": "off",
        "react/jsx-filename-extension": [
          "error",
          { "extensions": [".jsx", ".tsx"] }
        ],
        "import/order": ["error"]
      }
    }
  ]
}