.eslintrc.json

{
    "settings": {
        "react": {
            "version": "detect"
        }
    },

    "env": {
        "browser": true,
        "es2021": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:@typescript-eslint/recommended"
    ],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "ecmaVersion": 12,
        "sourceType": "module"
    },
    "plugins": [
        "react",
        "@typescript-eslint"
    ],
    "rules": {
        "indent": [
            "warn",
            4
        ],
        "quotes": [
            "warn",
            "single"
        ],
        "semi": [
            "warn",
            "always"
        ],
        "camelcase": "warn",
        "react/prop-types": "off",
        "object-curly-spacing": ["warn", "always"],
        "react/react-in-jsx-scope": "off",
        "@typescript-eslint/explicit-function-return-type": "off",
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "eol-last": ["warn"]
    },
    "overrides": [
        {
            // enable the rule specifically for TypeScript files
            "files": ["*.ts", "*.tsx"],
            "rules": {
              "@typescript-eslint/explicit-function-return-type": ["warn"],
              "@typescript-eslint/explicit-module-boundary-types": ["warn"]
            }
        }
    ]
}