.eslintrc

{
  "root": true,
  "parserOptions": {
    "sourceType": "module"
  },

  "env": {
    "node": true,
    "es2021": true
  },

  "globals": {
    "arguments": "writable"
  },

  "rules": {
    "array-bracket-spacing": ["error", "never"],
    "brace-style": ["error", "stroustrup", {
      "allowSingleLine": true
    }],
    "camelcase": ["error", {
      "properties": "never"
    }],
    "comma-spacing": ["error", {
      "before": false,
      "after": true
    }],
    "comma-style": ["error", "last"],
    "comma-dangle": ["error", "always-multiline"],
    "complexity": ["warn", 8],
    "computed-property-spacing": ["error", "never"],
    "consistent-return": "warn",
    "curly": ["error", "all"],
    "default-case": "error",
    "dot-notation": ["warn", {
      "allowKeywords": true
    }],
    "dot-location": ["error", "property"],
    "eol-last": "error",
    "eqeqeq": "error",
    "func-style": "off",
    "guard-for-in": "off",
    "handle-callback-err": ["error", "^(e|er|err|error)[0-9]{1,2}?$"],
    "indent": ["error", 2, {
      "SwitchCase": 1
    }],
    "keyword-spacing": "error",
    "key-spacing": ["error", {
      "beforeColon": false,
      "afterColon": true
    }],
    "lines-around-comment": ["error", {
      "beforeBlockComment": true,
      "afterBlockComment": true,
      "beforeLineComment": true,
      "afterLineComment": false,
      "allowBlockStart": true,
      "allowBlockEnd": false
    }],
    "linebreak-style": ["error", "unix"],
    "max-nested-callbacks": ["warn", 3],
    "new-cap": "off",
    "newline-after-var": ["error", "always"],
    "no-alert": "error",
    "no-caller": "error",
    "no-catch-shadow": "error",
    "no-delete-var": "error",
    "no-div-regex": "error",
    "no-duplicate-case": "error",
    "no-else-return": "error",
    "no-empty": "error",
    "no-empty-character-class": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-semi": "error",
    "no-fallthrough": "error",
    "no-floating-decimal": "error",
    "no-func-assign": "error",
    "no-implied-eval": "error",
    "no-inline-comments": "error",
    "no-invalid-regexp": "error",
    "no-label-var": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-lonely-if": "error",
    "no-mixed-requires": "off",
    "no-mixed-spaces-and-tabs": "error",
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-multiple-empty-lines": ["error", {
      "max": 2
    }],
    "no-native-reassign": "error",
    "no-nested-ternary": "error",
    "no-new-func": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-octal-escape": "error",
    "no-octal": "error",
    "no-path-concat": "error",
    "no-param-reassign": "off",
    "no-process-env": "off",
    "no-proto": "error",
    "no-redeclare": "error",
    "no-reserved-keys": "off",
    "no-return-assign": ["error", "always"],
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-shadow": "error",
    "no-shadow-restricted-names": "error",
    "no-spaced-func": "error",
    "no-sparse-arrays": "warn",
    "no-sync": "warn",
    "no-ternary": "off",
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef": "error",
    "no-undef-init": "error",
    "no-undefined": "error",
    "no-underscore-dangle": "error",
    "no-unexpected-multiline": "error",
    "no-unneeded-ternary": "error",
    "no-unreachable": "error",
    "no-unused-vars": "warn",
    "no-use-before-define": "error",
    "no-useless-concat": "error",
    "no-warning-comments": "warn",
    "no-with": "error",
    "no-wrap-func": "off",
    "object-curly-spacing": ["error", "always", {
      "objectsInObjects": false,
      "arraysInObjects": false
    }],
    "one-var": ["error", "never"],
    "operator-assignment": ["error", "always"],
    "operator-linebreak": ["error", "before"],
    "padded-blocks": "off",
    "quote-props": ["error", "consistent"],
    "quotes": ["error", "single", "avoid-escape"],
    "radix": "error",
    "semi": "error",
    "semi-spacing": ["error", {
      "before": false,
      "after": true
    }],
    "space-before-blocks": ["error", "always"],
    "space-before-function-paren": ["error", "always"],
    "space-in-parens": ["error", "always"],
    "space-infix-ops": "error",
    "space-unary-ops": ["error", {
      "words": true,
      "nonwords": false,
      "overrides": {
        "!": true,
      }
    }],
    "spaced-comment": ["error", "always"],
    "use-isnan": "error",
    "valid-typeof": "error",
    "vars-on-top": "error",
    "wrap-regex": "off",
    "yoda": ["error", "never"]
  }
}