.eslintrc.json

{
    "parserOptions": {
        "ecmaVersion": 8
    },
    "rules": {
        "indent": [
            2,
            4,
            {
                "SwitchCase": 1
            }
        ],
        "quotes": [
            2,
            "single",
            "avoid-escape"
        ],
        "linebreak-style": [
            2,
            "unix"
        ],
        "semi": [
            2,
            "always"
        ],
        "no-multiple-empty-lines": [
            2,
            {
                "max": 2
            }
        ],
        "new-cap": [
            2,
            {
                "newIsCap": true,
                "capIsNew": true
            }
        ],
        "one-var": [
            2,
            "never"
        ],
        "object-curly-spacing": [
            2,
            "never"
        ],
        "array-bracket-spacing": [
            2,
            "never"
        ],
        "space-before-function-paren": [
            2,
            {
                "anonymous": "always",
                "named": "never"
            }
        ],
        "keyword-spacing": [
            2,
            {
                "before": true,
                "after": true
            }
        ],
        "operator-linebreak": [
            2,
            "after"
        ],
        "space-in-parens": [
            2,
            "never"
        ],
        "space-before-blocks": [
            2,
            "always"
        ],
        "yoda": [
            2,
            "never"
        ],
        "eqeqeq": [
            2,
            "smart"
        ],
        "space-unary-ops": [
            2,
            {
                "words": true,
                "nonwords": false
            }
        ],
        "no-implicit-coercion": [
            2,
            {
                "boolean": true,
                "number": true,
                "string": true
            }
        ],
        "spaced-comment": [
            2,
            "always"
        ],
        "no-throw-literal": 2,
        "no-eval": 2,
        "no-unneeded-ternary": 2,
        "no-with": 2,
        "curly": 2,
        "brace-style": 2,
        "no-spaced-func": 2,
        "comma-style": 2,
        "semi-spacing": 2,
        "key-spacing": 2,
        "new-parens": 2,
        "no-console": 0,
        "eol-last": 2,
        "no-trailing-spaces": 2,
        "camelcase": 2,
        "no-undef": 2
    },
    "env": {
        "node": true,
        "mocha": true,
        "es6": true
    },
    "extends": ["eslint:recommended"]
}