.eslintrc.json

{
    "env": {
        "node": true,
        "commonjs": true,
        "es6": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaVersion": 2018
    },
    "rules": {
        "array-bracket-spacing": [ "error", "never" ],
        "block-spacing": "error",
        "brace-style":["error", "1tbs"],
        "comma-spacing":["error", { "after": true }],
        "comma-style":["error", "last"],
        "eqeqeq": ["error","smart"],
        "indent": ["error",2],
        "func-call-spacing":["error", "never"],
        "key-spacing":["error", { "beforeColon": false, "afterColon": true }],
        "linebreak-style": ["error","windows"],
        "max-len": ["error", { "code": 100 }],
        "no-array-constructor": "error",
        "no-multi-assign": "error",
        "no-multiple-empty-lines": ["error", { "max": 1 }],
        "no-restricted-syntax": ["error", "SequenceExpression"],
        "no-return-assign":["error", "always"],
        "no-sequences": "error",
        "no-template-curly-in-string": "error",
        "no-unneeded-ternary": "error",
        "no-use-before-define": ["error", { "functions": false, "classes": false }],
        "no-var": "error",
        "no-whitespace-before-property": "error",
        "object-curly-spacing": [ "error", "always" ],
        "one-var": ["error", "never"],
        "operator-linebreak": ["error", "before"],
        "prefer-const": "error",
        "quotes": ["error","single"],
        "semi": ["error","never"],
        "space-before-blocks": "error",
        "space-before-function-paren": ["error","always"],
        "space-in-parens": [ "error", "never" ]
    }
}