.eslintrc.json

{
    "plugins": [],
    "parser": "babel-eslint",
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "js": true
        }
    },
    "env": {
        "es6": true,
        "browser": true,
        "node": true,
        "jquery": true,
        "commonjs": true
    },
    "rules": {
        "no-cond-assign": "error",
        "no-constant-condition": "error",
        "no-dupe-args": "error",
        "no-dupe-keys": "error",
        "no-duplicate-case": "error",
        "no-empty-character-class": "error",
        "no-empty": "error",
        "no-ex-assign": "error",
        "no-extra-boolean-cast": "error",
        "no-extra-semi": "error",
        "no-func-assign": "error",
        "no-inner-declarations": "error",
        "no-invalid-regexp": "error",
        "no-irregular-whitespace": "error",
        "no-obj-calls": "error",
        "no-regex-spaces": "error",
        "no-sparse-arrays": "error",
        "no-unexpected-multiline": "error",
        "no-unreachable": "error",
        "no-unsafe-finally": "error",
        "no-caller": "error",
        "no-case-declarations": "error",
        "no-empty-function": "error",
        "no-empty-pattern": "error",
        "no-redeclare": "error",
        "no-self-assign": "error",
        "no-multiple-empty-lines": [
            "error",
            {
                "max": 1
            }
        ],
        "space-infix-ops": "error",
        "comma-spacing": "error",
        "comma-style": "error",
        "comma-dangle": "error",
        "semi-spacing": "error",
        "key-spacing": "error",
        "curly": "error",
        "use-isnan": "error",
        "valid-typeof": "error",
        "accessor-pairs": "error",
        "radix": "error",
        "indent": [
            "error",
            4,
            {
                "SwitchCase": 1
            }
        ]
    }
}