.eslintrc.json

{
    "env": {
        "browser": true,
        "es2021": true
    },
    "extends": [
        "airbnb-typescript",
        "plugin:import/recommended"
    ],
    "ignorePatterns": ["craco.config.js"],
    "overrides": [
        {
          "files": ["*.ts", "*.tsx"], // Your TypeScript files extension
          "parserOptions": {
            "project": ["./tsconfig.json"] // Specify it only for TypeScript files
          }
        }
    ],
    "settings": {
        "react": {
          "version": "latest"
        },
        "import/resolver": {
          "node": {
            "extensions": [".js", ".jsx", ".ts", ".tsx"]
          },
          "typescript": {
            "alwaysTryTypes": true
          }
        },
        "import/parsers": {
          "@typescript-eslint/parser": [".ts", ".tsx"]
        }
    },
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "project": "./tsconfig.json",
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": "latest",
        "sourceType": "module"
    },
    "plugins": [
        "react",
        "@typescript-eslint"
    ],
    "rules": {
        "@typescript-eslint/no-unused-expressions": "off",
        "react/jsx-filename-extension": [2, { "extensions": [".js", ".jsx", ".ts", ".tsx"] }],
        "import/extensions": [
            "off",
            "ignorePackages",
            {
              "js": "never",
              "jsx": "never",
              "ts": "never",
              "tsx": "never"
            }
         ]
    }
}