.eslintrc.json

{
    "extends": "eslint:recommended",
    "env": {
        "node": true,
        "commonjs": true,
        "es6": true,
        "mocha": true
    },
    "parserOptions": {
        "ecmaVersion": 8
    },
    "rules": {
        "array-bracket-spacing": "error",
        "arrow-parens": ["error", "as-needed"],
        "arrow-spacing": "error",
        "block-spacing": "error",
        "brace-style": ["error", "1tbs", {
            "allowSingleLine": true
        }],
        "comma-dangle": "error",
        "comma-style": ["error", "last"],
        "computed-property-spacing": "error",
        "curly": "error",
        "dot-notation": "error",
        "eol-last": "error",
        "eqeqeq": ["error", "always", {
            "null": "ignore"
        }],
        "func-call-spacing": "error",
        "generator-star-spacing": "error",
        "indent": ["error", 4, {
            "CallExpression": {
                "arguments": "off"
            },
            "FunctionDeclaration": {
                "parameters": "off"
            },
            "FunctionExpression": {
                "parameters": "off"
            },
            "MemberExpression": "off",
            "SwitchCase": 1
        }],
        "keyword-spacing": "error",
        "key-spacing": ["error", {
            "beforeColon": false,
            "afterColon": true,
            "mode": "minimum"
        }],
        "linebreak-style": ["error", "unix"],
        "max-depth": ["error", 5 ],
        "max-len": ["error", 100, {
            "ignoreRegExpLiterals": true
        }],
        "max-params": ["error", 7],
        "new-parens": "error",
        "no-bitwise": "error",
        "no-cond-assign": ["error", "except-parens"],
        "no-confusing-arrow": "error",
        "no-console": "off",
        "no-constant-condition": ["error", {
            "checkLoops": false
        }],
        "no-empty": ["error", {
            "allowEmptyCatch": true
        }],
        "no-extend-native": "error",
        "no-extra-bind": "error",
        "no-lone-blocks": "error",
        "no-mixed-spaces-and-tabs": "error",
        "no-multi-spaces": ["error", {
            "ignoreEOLComments": true,
            "exceptions": {
                "VariableDeclarator": true
            }
        }],
        "no-multi-str": "error",
        "no-nested-ternary": "error",
        "no-new": "error",
        "no-new-func": "error",
        "no-shadow": "error",
        "no-tabs": "error",
        "no-template-curly-in-string": "error",
        "no-trailing-spaces": "error",
        "no-unneeded-ternary": "error",
        "no-unused-expressions": "error",
        "no-use-before-define": ["error", {
            "functions": false
        }],
        "no-whitespace-before-property": "error",
        "operator-linebreak": ["error", "after"],
        "prefer-template": "error",
        "quote-props": ["error", "as-needed"],
        "quotes": ["error", "single"],
        "require-await": "error",
        "semi": ["error", "always", {
            "omitLastInOneLineBlock": true
        }],
        "semi-spacing": ["error", {
            "before": false,
            "after": true
        }],
        "semi-style": "error",
        "spaced-comment": ["error", "always", {
            "block": {
                "balanced": true
            }
        }],
        "space-before-blocks": ["error", "always"],
        "space-before-function-paren": ["error", {
            "anonymous": "never",
            "named": "never",
            "asyncArrow": "always"
        }],
        "space-infix-ops": "error",
        "space-in-parens": "error",
        "strict": "error",
        "switch-colon-spacing": "error",
        "template-curly-spacing": "error",
        "valid-jsdoc": ["error", {
            "requireReturn": false
        }],
        "wrap-iife": ["error", "any"],
        "yield-star-spacing": "error",
        "yoda": "error"
    }
}