.eslintrc

{
  "extends": "eslint:recommended",
  "env": {
    "es6": true,
    "browser": true,
    "worker": true,
    "node": true
  },
  "parserOptions": {
    "ecmaVersion": 2020,
    "sourceType": "module"
  },
  "rules": {
    "accessor-pairs": "error",
    "array-bracket-spacing": [
      "warn",
      "always",
      {
        "objectsInArrays": false,
        "arraysInArrays": false
      }
    ],
    "array-callback-return": "error",
    "arrow-body-style": [
      "warn",
      "as-needed"
    ],
    "arrow-parens": [
      "warn",
      "as-needed"
    ],
    "arrow-spacing": [
      "warn",
      {
        "before": true,
        "after": true
      }
    ],
    "block-spacing": "warn",
    "brace-style": [
      "warn",
      "1tbs"
    ],
    "camelcase": "warn",
    "class-methods-use-this": "warn",
    "complexity": [
      "error",
      20
    ],
    "consistent-return": "error",
    "comma-dangle": [
      "warn",
      "always-multiline"
    ],
    "comma-spacing": [
      "warn",
      {
        "before": false,
        "after": true
      }
    ],
    "comma-style": [
      "warn",
      "last"
    ],
    "computed-property-spacing": [
      "warn",
      "never"
    ],
    "eol-last": "error",
    "eqeqeq": [
      "error",
      "always",
      {
        "null": "ignore"
      }
    ],
    "func-call-spacing": [
      "warn",
      "never"
    ],
    "function-paren-newline": [
      "warn",
      "multiline"
    ],
    "generator-star-spacing": [
      "warn",
      {
        "before": false,
        "after": true
      }
    ],
    "indent": [
      "warn",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "key-spacing": [
      "warn",
      {
        "mode": "strict",
        "beforeColon": false
      }
    ],
    "keyword-spacing": [
      "warn",
      {
        "before": true,
        "after": true
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "lines-between-class-members": [
      "warn",
      "always"
    ],
    "max-depth": [
      "warn",
      4
    ],
    "max-len": [
      "warn",
      120
    ],
    "max-lines": [
      "warn",
      {
        "max": 1000,
        "skipBlankLines": true
      }
    ],
    "max-nested-callbacks": [
      "warn",
      3
    ],
    "max-params": [
      "warn",
      4
    ],
    "max-statements": [
      "warn",
      20
    ],
    "max-statements-per-line": [
      "warn",
      {
        "max": 1
      }
    ],
    "multiline-ternary": [
      "warn",
      "always-multiline"
    ],
    "new-cap": [
      "error",
      {
        "newIsCap": true,
        "capIsNew": false
      }
    ],
    "newline-per-chained-call": [
      "warn",
      {
        "ignoreChainWithDepth": 2
      }
    ],
    "no-caller": "error",
    "no-catch-shadow": "error",
    "no-cond-assign": "error",
    "no-console": "off",
    "no-duplicate-imports": [
      "error",
      {
        "includeExports": true
      }
    ],
    "no-empty-function": "warn",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-floating-decimal": "warn",
    "no-implicit-coercion": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-invalid-this": "error",
    "no-iterator": "error",
    "no-lone-blocks": "warn",
    "no-lonely-if": "warn",
    "no-loop-func": "warn",
    "no-magic-numbers": [
      "error",
      {
        "enforceConst": true,
        "ignore": [
          -1,
          0,
          0.5,
          1,
          2,
          3
        ]
      }
    ],
    "no-mixed-operators": [
      "error",
      {
        "groups": [
          [
            "&",
            "|",
            "^",
            "~",
            "<<",
            ">>",
            ">>>"
          ],
          [
            "==",
            "!=",
            "===",
            "!==",
            ">",
            ">=",
            "<",
            "<="
          ],
          [
            "&&",
            "||"
          ],
          [
            "in",
            "instanceof"
          ]
        ],
        "allowSamePrecedence": true
      }
    ],
    "no-multi-assign": "error",
    "no-multiple-empty-lines": [
      "warn",
      {
        "max": 2,
        "maxEOF": 1
      }
    ],
    "no-multi-spaces": "warn",
    "no-multi-str": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-octal-escape": "error",
    "no-param-reassign": "error",
    "no-return-assign": "error",
    "no-return-await": "warn",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-shadow": "error",
    "no-shadow-restricted-names": "error",
    "no-tabs": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "warn",
    "no-undef-init": "error",
    "no-underscore-dangle": [
      "error",
      {
        "allowAfterThis": true
      }
    ],
    "no-unneeded-ternary": "warn",
    "no-unused-expressions": "error",
    "no-use-before-define": [
      "error",
      {
        "functions": false,
        "classes": false,
        "variables": false
      }
    ],
    "no-useless-call": "error",
    "no-useless-computed-key": "warn",
    "no-useless-concat": "error",
    "no-useless-constructor": "error",
    "no-useless-rename": "warn",
    "no-useless-return": "error",
    "no-var": "warn",
    "no-whitespace-before-property": "warn",
    "nonblock-statement-body-position": [
      "error",
      "beside"
    ],
    "object-curly-newline": [
      "warn",
      {
        "multiline": true
      }
    ],
    "object-curly-spacing": [
      "warn",
      "always"
    ],
    "object-shorthand": [
      "warn",
      "always"
    ],
    "one-var": [
      "error",
      "never"
    ],
    "operator-assignment": [
      "warn",
      "always"
    ],
    "operator-linebreak": [
      "warn",
      "after"
    ],
    "padded-blocks": [
      "warn",
      "never"
    ],
    "prefer-arrow-callback": [
      "warn",
      {
        "allowNamedFunctions": false,
        "allowUnboundThis": true
      }
    ],
    "prefer-const": [
      "warn",
      {
        "destructuring": "any",
        "ignoreReadBeforeAssign": false
      }
    ],
    "prefer-destructuring": [
      "warn",
      {
        "array": true,
        "object": true
      },
      {
        "enforceForRenamedProperties": false
      }
    ],
    "prefer-numeric-literals": "warn",
    "prefer-rest-params": "error",
    "prefer-spread": "warn",
    "prefer-template": "warn",
    "quotes": [
      "error",
      "single"
    ],
    "quote-props": [
      "warn",
      "as-needed"
    ],
    "radix": [
      "warn",
      "as-needed"
    ],
    "rest-spread-spacing": [
      "warn",
      "never"
    ],
    "require-atomic-updates": "off",
    "semi": [
      "warn",
      "always"
    ],
    "semi-spacing": [
      "warn",
      {
        "before": false,
        "after": true
      }
    ],
    "semi-style": [
      "warn",
      "last"
    ],
    "sort-keys": [
      "warn",
      "asc",
      {
        "caseSensitive": true,
        "natural": false
      }
    ],
    "sort-imports": "warn",
    "space-before-blocks": "error",
    "space-before-function-paren": [
      "warn",
      {
        "anonymous": "never",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "space-in-parens": [
      "warn",
      "never"
    ],
    "space-infix-ops": [
      "warn",
      {
        "int32Hint": false
      }
    ],
    "space-unary-ops": [
      "warn",
      {
        "words": true,
        "nonwords": false
      }
    ],
    "spaced-comment": [
      "warn",
      "always"
    ],
    "strict": "error",
    "switch-colon-spacing": [
      "warn",
      {
        "after": true,
        "before": false
      }
    ],
    "template-curly-spacing": "warn",
    "template-tag-spacing": [
      "warn",
      "never"
    ],
    "unicode-bom": [
      "warn",
      "never"
    ],
    "wrap-iife": [
      "error",
      "inside",
      {
        "functionPrototypeMethods": true
      }
    ],
    "yield-star-spacing": [
      "warn",
      {
        "before": false,
        "after": true
      }
    ],
    "yoda": [
      "error",
      "never"
    ]
  }
}