.eslintrc.json

{
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "project": "./tsconfig.json",
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["@typescript-eslint", "simple-import-sort"],
  "overrides": [
    {
      "files": ["*.ts", "*.tsx"], // Your TypeScript files extension
      "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:@next/next/recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:import/warnings",
        "plugin:react-hooks/recommended"
      ],
      "parserOptions": {
        "project": ["./tsconfig.json"] // Specify it only for TypeScript files
      },
      "rules": {
        "no-case-declarations": "off",
        "no-async-promise-executor": "off",
        "no-constant-condition": "off",
        "no-extra-boolean-cast": "off",
        "@typescript-eslint/ban-types": "off",
        "@typescript-eslint/no-empty-function": "off",
        "@typescript-eslint/no-var-requires": "off",
        "@typescript-eslint/no-this-alias": "off",
        "no-func-assign": "off",
        "@typescript-eslint/explicit-function-return-type": "off",
        "@typescript-eslint/explicit-member-accessibility": "off",
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-unused-vars": "error",
        "@typescript-eslint/no-submodule-imports": "off",
        "@typescript-eslint/no-unused-expressions": "warn",
        "@typescript-eslint/jsx-no-lambda": "off",
        "@typescript-eslint/prefer-interface": "off",
        "@typescript-eslint/interface-name-prefix": "off",
        "@typescript-eslint/camelcase": "off",
        "@typescript-eslint/member-delimiter-style": "off",
        "@typescript-eslint/no-empty-interface": "off",
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "@typescript-eslint/no-non-null-assertion": "off",
        "react/prop-types": "off",
        "no-console": "off",
        "sort-keys": "off",
        "sort-imports": "off",
        "jsx-quotes": [2, "prefer-single"],
        "react/react-in-jsx-scope": "off",
        "import/no-named-as-default": "off",
        "@next/next/no-page-custom-font": "off",
        "react/display-name": "off"
      }
    }
  ],
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "env": {
    "browser": true,
    "es6": true
  }
}