.eslintrc

{
    "env": {
        "node": true,
        "es6": true
    },
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true
        }
    },
    "rules": {
        "strict": [2, "never"],
        "no-var": 2,
        "prefer-const": 2,
        "no-shadow": 2,
        "no-shadow-restricted-names": 2,
        "no-undef": 2,
        "no-unused-vars": [2, {
            "vars": "local",
            "args": "after-used"
        }],
        "no-use-before-define": 2,
        "comma-dangle": [2, "always-multiline"],
        "no-cond-assign": [2, "always"],
        "no-console": 1,
        "no-debugger": 1,
        "no-alert": 1,
        "no-constant-condition": 1,
        "no-dupe-keys": 2,
        "no-duplicate-case": 2,
        "no-empty": 2,
        "no-ex-assign": 2,
        "no-extra-boolean-cast": 0,
        "no-extra-semi": 2,
        "no-func-assign": 2,
        "no-inner-declarations": 2,
        "no-invalid-regexp": 2,
        "no-irregular-whitespace": 2,
        "no-obj-calls": 2,
        "no-sparse-arrays": 2,
        "no-unreachable": 2,
        "use-isnan": 2,
        "block-scoped-var": 2,

        "consistent-return": 0,
        "curly": [2, "multi-line"],
        "default-case": 2,
        "dot-notation": [2, {
            "allowKeywords": true
        }],
        "eqeqeq": 2,
        "guard-for-in": 2,
        "no-caller": 2,
        "no-else-return": 2,
        "no-eq-null": 2,
        "no-eval": 2,
        "no-extend-native": 2,
        "no-extra-bind": 2,
        "no-fallthrough": 2,
        "no-floating-decimal": 2,
        "no-implied-eval": 2,
        "no-lone-blocks": 2,
        "no-loop-func": 2,
        "no-multi-str": 2,
        "no-native-reassign": 2,
        "no-new": 2,
        "no-new-func": 2,
        "no-new-wrappers": 2,
        "no-octal": 2,
        "no-octal-escape": 2,
        "no-param-reassign": 2,
        "no-proto": 2,
        "no-redeclare": 2,
        "no-return-assign": 2,
        "no-script-url": 2,
        "no-self-compare": 2,
        "no-sequences": 2,
        "no-throw-literal": 2,
        "no-with": 2,
        "radix": 2,
        "vars-on-top": 2,
        "wrap-iife": [2, "any"],
        "yoda": 2,

        "indent": 2,
        "brace-style": [
            2,
            "1tbs", {
                "allowSingleLine": true
            }
        ],
        "quotes": [
            2, "single", {"avoidEscape": true, "allowTemplateLiterals": true}
        ],
        "id-length": [1, {
            "min": 1,
            "properties": "never"
        }],
        "camelcase": [2, {
            "properties": "never"
        }],
        "comma-spacing": [2, {
            "before": false,
            "after": true
        }],
        "comma-style": [2, "last"],
        "eol-last": 2,
        "func-names": 1,
        "key-spacing": [2, {
            "beforeColon": false,
            "afterColon": true
        }],
        "new-cap": [2, {
            "newIsCap": true
        }],
        "no-multiple-empty-lines": [2, {
            "max": 2
        }],
        "no-nested-ternary": 0,
        "no-new-object": 2,
        "no-spaced-func": 2,
        "no-trailing-spaces": 2,
        "no-extra-parens": [2, "functions"],
        "no-underscore-dangle": 0,
        "one-var": [2, "never"],
        "padded-blocks": [2, "never"],
        "semi": [2, "always"],
        "semi-spacing": [2, {
            "before": false,
            "after": true
        }],
        "keyword-spacing": 2,
        "space-before-blocks": 2,
        "space-before-function-paren": [2, "never"],
        "space-infix-ops": 2,
        "spaced-comment": [2, "always",  {
            "exceptions": ["-", "+"],
            "markers": ["=", "!"]
        }],
    }
}