.eslintrc.json

{
    "extends": "eslint:recommended",
    "env": {
        "node": true,
        "es6": true
    },
    "parserOptions": {
        "ecmaVersion": 2017
    },
    "rules": {
        "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
        "comma-dangle": ["error", "always-multiline"],
        "comma-spacing": "error",
        "comma-style": "error",
        "curly": ["error", "multi-line", "consistent"],
        "dot-location": ["error", "property"],
        "handle-callback-err": "off",
        "indent": ["error", "tab"],
        "max-nested-callbacks": ["error", { "max": 4 }],
        "max-statements-per-line": ["error", { "max": 2 }],
        "no-console": "error",
        "no-empty-function": "error",
        "no-floating-decimal": "error",
        "no-inline-comments": "error",
        "no-lonely-if": "error",
        "no-multi-spaces": "error",
        "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 1, "maxBOF": 0 }],
        "no-shadow": ["error", { "allow": ["err", "resolve", "reject"] }],
        "no-trailing-spaces": ["error"],
        "no-var": "error",
        "object-curly-spacing": ["error", "always"],
        "prefer-const": "error",
        "quotes": ["error", "double"],
        "semi": ["error", "always"],
        "space-before-blocks": "error",
        "space-before-function-paren": ["error", {
            "anonymous": "never",
            "named": "never",
            "asyncArrow": "always"
        }],
        "space-in-parens": "error",
        "space-infix-ops": "error",
        "space-unary-ops": "error",
        "spaced-comment": "error",
        "yoda": "error"
    }
}