.eslintrc.json

{
    "rules": {
        "block-scoped-var": 2,
        "callback-return": 2,
        "complexity": [2, 13],
        "curly": [2, "multi-or-nest", "consistent"],
        "dot-location": [2, "property"],
        "dot-notation": 2,
        "indent": [ 2, 2, {"SwitchCase": 1} ],
        "linebreak-style": [ 2, "unix" ],
        "new-cap": 2,
        "no-console": [ 2, { "allow": ["warn", "error"] } ],
        "no-else-return": 2,
        "no-eq-null": 2,
        "no-fallthrough": 2,
        "no-invalid-this": 2,
        "no-return-assign": 2,
        "no-shadow": 1,
        "no-trailing-spaces": 2,
        "no-use-before-define": [2, "nofunc"],
        "quotes": [ 2, "single", "avoid-escape" ],
        "semi": [ 2, "always" ],
        "strict": [2, "global"],
        "valid-jsdoc": [ 2, { "requireReturn": false } ]
    },
    "env": {
        "node": true,
        "browser": true
    },
    "extends": "eslint:recommended"
}