.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "extends": [
        "standard",
        "eslint:recommended"
    ],
    "globals": {
        "Atomics": "readonly",
        "SharedArrayBuffer": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2018
    },
    "rules": {
        "func-call-spacing": 1,
        "no-unexpected-multiline": 1,
        "eqeqeq": 1,
        "no-eval": 2,
        "array-bracket-newline": 1,
        "brace-style": 1,
        "comma-spacing": 1,
        "no-var": 1,
        "indent": [
            "warn",
            4,
            {
                "SwitchCase": 1
            }
        ],
        "semi": [
            1,
            "always"
        ],
        "quotes": [
            2,
            "single",
            "avoid-escape"
        ],
        "no-undef": 1,
        "no-unused-vars": 1,
        "prefer-const": 1,
        "no-mixed-operators": 0,
        "no-prototype-builtins": 0,
        "curly": 0,
        "prefer-arrow-callback": 1,
        "prefer-template": 1,
        "no-unreachable-loop": 1,
        "no-unused-expressions": 1,
        "no-useless-escape": 1,
        "camelcase": 1,
        "node/no-callback-literal": 1,
        "no-return-assign": 1,
        "eol-last": 1,
        "arrow-body-style": [
            "warn",
            "as-needed"
        ],
        "func-style": 1,
        "prefer-arrow/prefer-arrow-functions": [
            "warn",
            {
                "disallowPrototype": true,
                "singleReturnOnly": true,
                "classPropertiesAllowed": false
            }
        ]
    }
}