.eslintrc.json

{
  "root": true,
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": ["./tsconfig.json", "./client/tsconfig.json", "./server/tsconfig.json"]
  },
  "ignorePatterns": ["node_modules/", "build/", "*.config.js", "setup.js"],
  "plugins": ["@typescript-eslint", "prettier", "import"],
  "extends": [
    "eslint:recommended", 
    "plugin:@typescript-eslint/recommended",
    "plugin:prettier/recommended",
    "plugin:import/recommended",
    "plugin:import/typescript"
  ],
  "settings": {
    "import/resolver": {
      "typescript": {
        "project": ["./tsconfig.json", "./client/tsconfig.json", "./server/tsconfig.json"]
      }
    }
  },
  "rules": {
    "max-len": [
      "warn",
      {
        "code": 120
      }
    ],
    "no-unused-vars": "off",
    "@typescript-eslint/no-empty-interface": "off",
    "@typescript-eslint/no-non-null-assertion": "off",
    "@typescript-eslint/no-unused-vars": [
      "warn",
      {
        "argsIgnorePattern": "^_",
        "varsIgnorePattern": "^_",
        "caughtErrorsIgnorePattern": "^_"
      }
    ],
    "prettier/prettier": [
      "warn",
      {
        "printWidth": 120,
        "tabWidth": 2
      },
      {
        "usePrettierrc": false
      }
    ],
    "sort-imports": [
      "warn",
      {
        "ignoreCase": false,
        "ignoreDeclarationSort": true,
        "ignoreMemberSort": false,
        "memberSyntaxSortOrder": ["none", "all", "multiple", "single"],
        "allowSeparatedGroups": true
      }
    ],
    "import/no-unresolved": "error",
    "import/order": [
      "warn",
      {
        "groups": [
          "builtin",
          "external",
          "internal",
          ["sibling", "parent"],
          "index",
          "unknown"
        ],
        "pathGroups": [
          {
            "pattern": "utils/**",
            "group": "internal"
          }
        ],
        "distinctGroup": false,
        "pathGroupsExcludedImportTypes": ["builtin"],
        "newlines-between": "always",
        "alphabetize": {
          "order": "asc",
          "caseInsensitive": true
        }
      }
    ]
  }
}