.eslintrc.json

{
    "env": {
        "browser": true,
        "node": true,
        "es6": true,
        "jquery": true
    },
    "extends": "eslint:recommended",
    "rules": {
        "space-infix-ops": [ "error" ],
        "comma-dangle": [
            "error", "never"
        ],
        "comma-spacing": [
            "error",
            {"before": false, "after": true}
        ],
        "indent": [
            "error",
            4,
            { "SwitchCase": 1 }
        ],
        "key-spacing": [
            "error",
            {"afterColon": true, "beforeColon": false , "mode": "strict"}
        ],
        "keyword-spacing": [
            "error", { "after": true }
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "no-console": 0,
        "no-multiple-empty-lines": [
            "error",
            {"max": 2}
        ],
        "no-return-assign": ["error", "always"],
        "no-unused-vars": 0,
        "quotes": [
            2, "single", "avoid-escape"
        ],
        "semi": [
            "error",
            "always"
        ],
        "space-before-blocks": [
            "error"
        ],
        "space-unary-ops": [
            "error",
            {"words": true, "nonwords": false, "overrides": {"!": true}}
        ]
    }
}