.eslintrc.json

{
    "parserOptions": {
        "sourceType": "module",
        "ecmaVersion": 2018
    },
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "jquery": true
    },
    "root": true,
    "extends": "airbnb-base/legacy",
    "rules": {
        "class-methods-use-this": 0,
        "curly": ["error", "all"],
        "func-names": 0,
        "global-require": "off",
        "import/no-unresolved": "off",
        "indent": ["error", 4, { "SwitchCase": 1, "VariableDeclarator": 1 }],
        "max-len": ["error", { "code": 200, "comments": 250 }],
        "no-dupe-keys": 2,
        "no-plusplus": 0,
        "no-shadow": ["error", { "allow": ["err", "callback"]}],
        "prefer-const": 2,
        "vars-on-top": "off",
        "padding-line-between-statements": [
            "error",
            { "blankLine": "always", "prev": "*", "next": ["return", "block", "block-like"] },
            { "blankLine": "always", "prev": "directive", "next": "*" },
            { "blankLine": "always", "prev": ["const", "let", "var", "block", "block-like"], "next": "*"},
            { "blankLine": "any", "prev": "directive", "next": "directive" },
            { "blankLine": "any", "prev": ["const", "let", "var"], "next": ["const", "let", "var"]}
        ],
        "no-continue": 0,
        "no-else-return": 0,
        "no-param-reassign": 0,
        "one-var": 0
    }
}