.eslintrc.json

{
    "env": {
        "browser": true,
        "es6": true
    },
    "rules": {
        "array-bracket-spacing": ["error", "never"],
        "arrow-parens": ["error", "as-needed"],
        "arrow-spacing": ["error", {"before": true, "after": true}],
        "brace-style": ["warn", "1tbs"],
        "block-scoped-var": ["error"],
        "comma-spacing": ["error", {"before": false, "after": true}],
        "comma-style": ["error", "last"],
        "eqeqeq": ["error", "allow-null"],
        "dot-location": ["error", "property"],
        "eol-last": ["error"],
        "indent": ["error", 4, {"SwitchCase": 1}],
        "keyword-spacing": ["error", {"before": true, "after": true}],
        "key-spacing": ["error", {
            "singleLine": {"beforeColon": false, "afterColon": true, "mode": "strict"},
            "multiLine": {"beforeColon": false, "afterColon": true, "mode": "minimum"}
        }],
        "linebreak-style": ["error", "unix"],
        "no-dupe-args": ["error"],
        "no-dupe-keys": ["error"],
        "no-extend-native": ["error"],
        "no-implied-eval": ["error"],
        "no-multiple-empty-lines": ["error", {"max": 1, "maxEOF": 1, "maxBOF": 0}],
        "no-multi-spaces": ["error", {"exceptions": {"Property": true}}],
        "no-unreachable": ["error"],
        "object-curly-spacing": ["error", "never"],
        "operator-linebreak": ["error", "before", {"overrides": {"+=": "none", "-=": "none", "*=": "none", "/=": "none"}}],
        "padded-blocks": ["warn", "never"],
        "quotes": ["error", "single"],
        "semi": ["error", "always"],
        "space-before-function-paren" : ["error", {"anonymous": "always", "named": "never"}],
        "valid-jsdoc": ["warn", {"prefer": {"return": "returns"}, "preferType": {
            "string": "String", "object": "Object", "number": "Number", "bool": "Boolean", "boolean": "Boolean"
        }}],
        "vars-on-top": ["warn"]
    }
}