.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "next",
    "next/core-web-vitals",
    "plugin:@typescript-eslint/recommended",
    "plugin:react/recommended"
  ],
  "plugins": ["@typescript-eslint", "react"],
  "rules": {
    // JavaScript rules
    "prefer-const": "warn",
    "no-var": "warn",
    "no-unused-vars": "warn",
    "object-shorthand": "warn",
    "quote-props": ["warn", "as-needed"],
    "react/react-in-jsx-scope": "off",
    "import/no-unresolved": "warn",
    // TypeScript rules
    "@typescript-eslint/array-type": [
        "warn",
        {
            "default": "array"
        }
    ],
    "@typescript-eslint/consistent-type-assertions": [
        "warn",
        {
            "assertionStyle": "as",
            "objectLiteralTypeAssertions": "never"
        }
    ],
    "@typescript-eslint/ban-types": [
        "error",
        {
            "types": {
                "{}": false
            }
        }
    ]
},
"overrides": [
  {
    "files": ["**/*.js", "**/*.jsx", "**/*.ts", "**/*.tsx"],
    "excludedFiles": ["node_modules", ".next/**"]
  }
]
}