.eslintrc.json

{
    "extends": "airbnb",
    "env": {
        "mocha": true,
        "browser": "false",
        "node": true,
        "es6": true
    },
    "rules": {
        "indent": ["error", 4],
        "one-var": 0,
        "no-multi-spaces": [1, {
            "exceptions": {
                "VariableDeclarator": true
            }
        }],
        "no-console": 0,
        "func-names": 0,
        "prefer-arrow-callback": 0,
        "key-spacing": [1, {
            "beforeColon": false ,
            "align": "value"
        }],
        "new-cap": 0,
        "max-len": ["warn", 80],
        "arrow-parens": ["error", "always"],
        "comma-dangle": ["error", {
            "arrays": "always-multiline",
            "objects": "always-multiline",
            "imports": "ignore",
            "exports": "ignore",
            "functions": "ignore"
        }],
        "arrow-parens": ["error", "always"],
        "no-param-reassign": ["error", {
            "props": false
        }],
        "linebreak-style": 0,
        "no-underscore-dangle": 0
    }
}