.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "extends": [
    "next",
    "next/core-web-vitals",
    "prettier",
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:import/errors",
    "plugin:@typescript-eslint/recommended"
  ],
  "plugins": [
    "prettier",
    "react",
    "import",
    "simple-import-sort",
    "@typescript-eslint"
  ],
  "rules": {
    "no-unused-vars": "warn",
    "prefer-const": "error",
    "no-irregular-whitespace": "error",
    "no-trailing-spaces": "error",
    "semi": "error",
    "no-empty-function": "error",
    "no-duplicate-imports": "error",
    "newline-after-var": "error",
    "camelcase": "warn",
    "react/react-in-jsx-scope": "off",
    "react/prop-types": "off",
    "simple-import-sort/imports": "error",
    "simple-import-sort/exports": "error",
    "no-shadow": "off",
    "@typescript-eslint/no-shadow": ["error"],
    "@typescript-eslint/no-unused-vars": "off", // Already handled by eslint:recommended
    "@typescript-eslint/no-empty-function": "off" // Already handled by eslint:recommended
  },
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"],
      "rules": {
        "no-undef": "off"
      }
    },
    {
      "files": ["*.js", "*.jsx"],
      "rules": {
        "@typescript-eslint/no-var-requires": "off"
      }
    }
  ]
}