.eslintrc.json

{
    "extends": "airbnb",
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "parserOptions": {
        "ecmaFeatures": {
        },
        "sourceType": "module"
    },
    "rules": {
        "no-const-assign": "warn",
        "no-this-before-super": "warn",
        "no-undef": "warn",
        "no-unreachable": "warn",
        "no-unused-vars": "warn",
        "constructor-super": "warn",
        "comma-dangle": ["error", "never"],
        "valid-typeof": "warn",
        "valid-jsdoc": ["error", {
            "requireReturn": true,
            "requireReturnType": true,
            "requireParamDescription": true,
            "requireReturnDescription": true
        }],
        "require-jsdoc": ["error", {
            "require": {
                "FunctionDeclaration": true,
                "MethodDefinition": true,
                "ClassDeclaration": true
            }
        }]
    }
}