.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true,
        "node": true
    },
    "extends": "eslint:recommended",
    "globals": {
        "chrome": true,
        "browser": true
    },
    "rules": {
        "array-bracket-spacing": [
            "error",
            "never"
        ],
        "camelcase": "error",
        "comma-spacing": "error",
        "eqeqeq": "error",
        "guard-for-in": "error",
        "indent": [
            "error",
            4
        ],
        "keyword-spacing": [
            "error",
            {
                "before": true
            }
        ],
        "no-console": "off",
        "no-tabs": "error",
        "no-trailing-spaces": "error",
        "object-property-newline": "error",
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ],
        "space-before-function-paren": [
            "error",
            "never"
        ],
        "space-before-blocks": "error",
        "spaced-comment": [
            "error",
            "always",
            {
                "block": {
                    "balanced": true
                }
            }
        ]
    }
}