.eslintrc.json

{
    "env": {
        "node": true,
        "es6": true,
        "es2017": true,
        "es2020": true
    },
    "extends": "eslint:recommended",
    "parser": "@babel/eslint-parser",
    "parserOptions": {
        "requireConfigFile": false
    },
    "rules": {
        "accessor-pairs": "error",
        "array-bracket-newline": ["error", { "multiline": true }],
        "array-bracket-spacing": ["error", "never", { "arraysInArrays": true }],
        "array-callback-return": "error",
        "array-element-newline": ["error", {
            "ArrayExpression": "consistent",
            "ArrayPattern": { "multiline": true }
        }],
        "arrow-body-style": "error",
        "arrow-parens": "error",
        "arrow-spacing": "error",
        "block-scoped-var": "error",
        "block-spacing": "error",
        "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
        "camelcase": "error",
        "class-methods-use-this": "error",
        "comma-dangle": ["error", "always-multiline"],
        "comma-spacing": "error",
        "comma-style": "error",
        "complexity": "error",
        "computed-property-spacing": "error",
        "consistent-return": "error",
        "consistent-this": "error",
        "curly": "error",
        "default-param-last": "error",
        "dot-location": ["error", "property"],
        "dot-notation": "error",
        "eol-last": "error",
        "eqeqeq": ["error", "smart"],
        "func-call-spacing": "error",
        "func-name-matching": "error",
        "func-names": "error",
        "func-style": ["error", "declaration", { "allowArrowFunctions": true }],
        "function-call-argument-newline": ["error", "consistent"],
        "function-paren-newline": ["error", "consistent"],
        "generator-star-spacing": "error",
        "grouped-accessor-pairs": ["error", "getBeforeSet"],
        "implicit-arrow-linebreak": "error",
        "indent": ["error", 4, { "SwitchCase": 1 }],
        "init-declarations": "error",
        "key-spacing": ["error", { "align": "value" }],
        "keyword-spacing": "error",
        "linebreak-style": "error",
        "lines-between-class-members": ["error", "always"],
        "max-classes-per-file": "error",
        "max-depth": ["error", 5],
        "max-len": ["error", 130],
        "max-nested-callbacks": ["error", 4],
        "max-statements-per-line": ["error", { "max": 2 }],
        "new-parens": "error",
        "newline-per-chained-call": "error",
        "no-alert": "error",
        "no-array-constructor": "error",
        "no-caller": "error",
        "no-case-declarations": "error",
        "no-confusing-arrow": "error",
        "no-console": "error",
        "no-constructor-return": "error",
        "no-dupe-else-if": "error",
        "no-duplicate-imports": "error",
        "no-else-return": "error",
        "no-extra-parens": ["error", "all", { "nestedBinaryExpressions": false }],
        "no-empty-function": "error",
        "no-eq-null": "error",
        "no-eval": "error",
        "no-extend-native": "error",
        "no-floating-decimal": "error",
        "no-implicit-coercion": "error",
        "no-implied-eval": "error",
        "no-invalid-this": "error",
        "no-iterator": "error",
        "no-labels": "error",
        "no-lone-blocks": "error",
        "no-lonely-if": "error",
        "no-loop-func": "error",
        "no-mixed-operators": "error",
        "no-multi-assign": "error",
        "no-multi-spaces": "error",
        "no-multi-str": "error",
        "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 0, "maxBOF": 0 }],
        "no-negated-condition": "error",
        "no-nested-ternary": "error",
        "no-new": "error",
        "no-new-func": "error",
        "no-new-object": "error",
        "no-new-wrappers": "error",
        "no-octal": "error",
        "no-octal-escape": "error",
        "no-proto": "error",
        "no-redeclare": "error",
        "no-return-assign": "error",
        "no-return-await": "error",
        "no-script-url": "error",
        "no-self-compare": "error",
        "no-sequences": "error",
        "no-setter-return": "error",
        "no-tabs": "error",
        "no-template-curly-in-string": "error",
        "no-throw-literal": "error",
        "no-trailing-spaces": "error",
        "no-undef-init": "error",
        "no-undefined": "error",
        "no-unneeded-ternary": ["error", { "defaultAssignment": false }],
        "no-unused-expressions": "error",
        "no-use-before-define": "error",
        "no-useless-call": "error",
        "no-useless-computed-key": "error",
        "no-useless-concat": "error",
        "no-useless-constructor": "error",
        "no-useless-rename": "error",
        "no-useless-return": "error",
        "no-var": "error",
        "no-void": "error",
        "no-with": "error",
        "no-whitespace-before-property": "error",
        "nonblock-statement-body-position": "error",
        "object-curly-newline": ["error", { "multiline": true }],
        "object-curly-spacing": ["error", "always"],
        "object-property-newline": ["error", { "allowAllPropertiesOnSameLine": true }],
        "object-shorthand": "error",
        "one-var-declaration-per-line": "error",
        "operator-assignment": "error",
        "operator-linebreak": ["error", "before"],
        "padded-blocks": ["error", { "blocks": "never", "classes": "always", "switches": "never" }, { "allowSingleLineBlocks": true }],
        "padding-line-between-statements": [
            "error",
            { "blankLine": "always", "prev": "function", "next": "function" }
        ],
        "prefer-arrow-callback": "error",
        "prefer-destructuring": ["error", { "array": false, "object": true }],
        "prefer-exponentiation-operator": "error",
        "prefer-numeric-literals": "error",
        "prefer-object-spread": "error",
        "prefer-promise-reject-errors": "error",
        "prefer-regex-literals": "error",
        "prefer-rest-params": "error",
        "prefer-spread": "error",
        "prefer-template": "error",
        "quote-props": "error",
        "quotes": ["error", "double", { "avoidEscape": true }],
        "radix": ["error", "as-needed"],
        "require-await": "error",
        "rest-spread-spacing": "error",
        "semi": ["error", "always"],
        "semi-spacing": "error",
        "semi-style": "error",
        "sort-imports": "error",
        "space-before-blocks": "error",
        "space-before-function-paren": ["error", "never"],
        "space-in-parens": "error",
        "space-infix-ops": "error",
        "space-unary-ops": "error",
        "spaced-comment": "error",
        "switch-colon-spacing": "error",
        "symbol-description": "error",
        "template-curly-spacing": "error",
        "template-tag-spacing": "error",
        "unicode-bom": "error",
        "vars-on-top": "error",
        "wrap-iife": ["error", "inside"],
        "yield-star-spacing": "error",
        "yoda": "error"
    }
}