.eslintrc.json

{
    "extends": [
        "eslint:recommended"
    ],
    "parserOptions": {
        "ecmaVersion": "latest",
        "sourceType": "module"
    },
    "rules": {
        "semi": "error",
        "indent": ["error", 4],
        "dot-notation": "error",
        "block-scoped-var": "error",
        "capitalized-comments": "warn",
        "eqeqeq": "error",
        "multiline-comment-style": ["error", "starred-block"],
        "no-confusing-arrow": ["error"],
        "no-else-return": "error",
        "no-lonely-if": "error",
        "no-useless-constructor": "error",
        "no-useless-return": "error",
        "no-var": "error",
        "comma-spacing": "error",
        "func-call-spacing": "error",
        "dot-location": ["error", "property"],
        "no-whitespace-before-property": "error",
        "space-before-function-paren": "error",
        "space-unary-ops": ["error", {
            "words": true,
            "nonwords": false
        }]
    }
}