.eslintconfig.json

{
    "plugins": [
        "promise"
    ],
    "env": {
        "browser": true
    },
    "globals": {
        "console": false
    },
    "rules": {
        "no-cond-assign": "error",
        "no-console": "off",
        "no-constant-condition": "error",
        "no-control-regex": "error",
        "no-debugger": "error",
        "no-dupe-args": "error",
        "no-dupe-keys": "error",
        "no-duplicate-case": "error",
        "no-empty-character-class": "error",
        "no-empty": "error",
        "no-ex-assign": "error",
        "no-extra-boolean-cast": "error",
        "no-extra-semi": "error",
        "no-func-assign": "error",
        "no-inner-declarations": ["error", "functions"],
        "no-invalid-regexp": "error",
        "no-irregular-whitespace": "error",
        "no-negated-condition": "error",
        "no-obj-calls": "error",
        "no-regex-spaces": "error",
        "no-sparse-arrays": "error",
        "no-unexpected-multiline": "error",
        "no-unreachable": "error",
        "no-unsafe-negation": "error",
        "use-isnan": "error",
        "valid-jsdoc": ["warn", {
            "prefer": {
                "returns": "return",
                "arg": "param",
                "arguments": "param"
            },
            "requireParamDescription": false,
            "requireReturn": false,
            "requireReturnDescription": false
        }],
        "valid-typeof": "error",

        "accessor-pairs": ["error", {
            "setWithoutGet": true
        }],
        "array-callback-return": "warn",
        "complexity": ["warn", 20],
        "consistent-return": "error",
        "curly": ["error", "all"],
        "dot-notation": ["error", {
            "allowKeywords": true
        }],
        "eqeqeq": "error",
        "no-alert": "error",
        "no-caller": "error",
        "no-else-return": "error",
        "no-empty-pattern": "error",
        "no-eq-null": "error",
        "no-eval": "error",
        "no-extend-native": "error",
        "no-extra-bind": "error",
        "no-fallthrough": "error",
        "no-floating-decimal": "error",
        "no-global-assign": "error",
        "no-implicit-coercion": ["error", {
            "boolean": false,
            "number": true,
            "string": true
        }],
        "no-implied-eval": "error",
        "no-iterator": "error",
        "no-labels": "error",
        "no-lone-blocks": "error",
        "no-multi-spaces": "error",
        "no-multi-str": "error",
        "no-new-func": "error",
        "no-new-wrappers": "error",
        "no-new": "error",
        "no-octal-escape": "error",
        "no-octal": "error",
        "no-proto": "error",
        "no-redeclare": "error",
        "no-return-assign": "error",
        "no-script-url": "error",
        "no-self-assign": "error",
        "no-self-compare": "error",
        "no-sequences": "error",
        "no-throw-literal": "error",
        "no-unmodified-loop-condition": "error",
        "no-unused-expressions": "error",
        "no-useless-call": "error",
        "no-useless-concat": "error",
        "no-useless-escape": "error",
        "no-warning-comments": ["warn", {
            "terms": ["@todo", "todo", "fixme"]
        }],
        "no-with": "error",
        "radix": "error",
        "wrap-iife": ["error", "outside"],
        "yoda": ["error", "never"],

        "strict": ["error", "function"],

        "no-catch-shadow": "error",
        "no-delete-var": "error",
        "no-label-var": "error",
        "no-shadow-restricted-names": "error",
        "no-shadow": "error",
        "no-undef-init": "error",
        "no-undef": "error",
        "no-unused-vars": ["error", {
            "vars": "all",
            "args": "none"
        }],
        "no-use-before-define": "error",

        "array-bracket-spacing": ["error", "never"],
        "block-spacing": ["error", "always"],
        "brace-style": ["error", "stroustrup"],
        "camelcase": "error",
        "comma-dangle": ["error", "never"],
        "comma-spacing": "error",
        "comma-style": ["error", "last"],
        "computed-property-spacing": ["error", "never"],
        "eol-last": "error",
        "func-call-spacing": ["error", "never"],
        "func-name-matching": ["error", "always"],
        "indent": ["error", 4, {
            "SwitchCase": 1
        }],
        "key-spacing": ["error", {
            "beforeColon": false,
            "afterColon": true
        }],
        "keyword-spacing": "error",
        "linebreak-style": ["error", "unix"],
        "max-nested-callbacks": ["warn", 3],
        "max-statements-per-line": ["error", {
            "max": 1
        }],
        "max-params": ["error", 4],
        "multiline-ternary": ["error", "never"],
        "new-cap": "error",
        "new-parens": "error",
        "no-array-constructor": "error",
        "no-bitwise": ["error", {
            "allow": ["<<", ">>", "^"]
        }],
        "no-lonely-if": "error",
        "no-mixed-operators": ["error", {
            "allowSamePrecedence": true
        }],
        "no-mixed-spaces-and-tabs": ["error", false],
        "no-multiple-empty-lines": "error",
        "no-nested-ternary": "error",
        "no-new-object": "error",
        "no-trailing-spaces": "error",
        "no-unneeded-ternary": "error",
        "no-whitespace-before-property": "error",
        "object-curly-spacing": ["error", "always"],
        "one-var": ["error", "never"],
        "operator-assignment": ["error", "always"],
        "quote-props": ["error", "consistent-as-needed"],
        "quotes": ["error", "single", "avoid-escape"],
        "semi-spacing": ["error", {
            "before": false,
            "after": true
        }],
        "semi": "error",
        "space-before-blocks": ["error", "always"],
        "space-before-function-paren": ["error", "never"],
        "space-in-parens": ["error", "never"],
        "space-infix-ops": "error",
        "space-unary-ops": ["error", {
            "words": true,
            "nonwords": false
        }],
        "spaced-comment": ["error", "always", {
            "exceptions": ["/"]
        }],

        "promise/param-names": "error",
        "promise/always-return": "error",
        "promise/catch-or-return": "error"
    }
}