My ESLint file

.eslintrc.json

module.exports = {
    "env":
    {
        "browser": true,
        "es6": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "parserOptions":
    {
        "ecmaVersion": 2018,
        "sourceType": "module"
    },
    "rules":
    {
        "indent": ["error", "tab"],
        "linebreak-style": ["error", "unix"],
        "quotes": ["error", "double", { "allowTemplateLiterals": true }],
        "semi": ["error", "always"],
        "consistent-return": "error",
        "no-empty-function": "error",
        "no-lone-blocks": "error",
        "no-multi-spaces": "error",
        "no-return-assign": "error",
        "no-self-compare": "error",
        "no-throw-literal": "error",
        "no-unmodified-loop-condition": "error",
        "no-unused-expressions": "error",
        "no-use-before-define": "error",
        "no-multiple-empty-lines": ["error", { max: 2 }],
        "prefer-const": "error",
        "prefer-rest-params": "error"
    }
};

Alternative

{
    "extends": "eslint:recommended",
    "env":{
        "node": true,
        "mocha": true,
        "browser": true,
        "es6": true,
        "commonjs": true
    },
    "parserOptions": {
        "ecmaVersion": 2018,
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true
        },
        "sourceType": "module"
    },
    "rules": {
        "indent": ["off", 4],
        "no-console": ["off"],
        "no-empty": ["warn"],
        "no-extra-semi": ["warn"],
        "no-mixed-spaces-and-tabs": ["off"],
        "no-unused-vars": ["off"],
        "radix": ["error"],
        "no-with": ["error"],
        "for-direction": ["error"],
        "getter-return": ["error"],
        "no-useless-escape": "warn",
        "quotes": ["off", "double"],
        "semi": ["off", "always"],
        "semi-spacing": ["warn", {"before": false, "after": true}]
    }
}