.eslintrc.json

{
  "env": {
    "es6": true,
    "es2020": true,
    "node": true,
    "mocha": true
  },
  "extends": "eslint:recommended",
  "plugins": [
    "unicorn"
  ],
  "rules": {
    "array-bracket-newline": ["warn", "consistent"],
    "array-bracket-spacing": ["warn", "never"],
    "array-element-newline": ["warn", "consistent"],
    "arrow-body-style": ["warn", "as-needed"],
    "arrow-spacing": ["warn", {
      "after": true,
      "before": true
    }],
    "brace-style": ["warn", "stroustrup", {
      "allowSingleLine": true
    }],
    "comma-dangle": ["warn", "never"],
    "curly": ["warn", "all"],
    "dot-location": ["warn", "property"],
    "dot-notation": "warn",
    "eol-last": ["warn", "always"],
    "eqeqeq": "error",
    "function-call-argument-newline": ["warn", "consistent"],
    "implicit-arrow-linebreak": ["error", "beside"],
    "indent": ["warn", "tab", {
      "SwitchCase": 1
    }],
    "key-spacing": ["warn", {
      "afterColon": true,
      "beforeColon": false,
      "mode": "strict"
    }],
    "keyword-spacing": ["warn", {
      "after": true,
      "before": true
    }],
    "lines-between-class-members": ["warn", "always", {
      "exceptAfterSingleLine": true
    }],
    "max-nested-callbacks": ["warn", {
      "max": 2
    }],
    "max-params": ["warn", {
      "max": 5
    }],
    "max-statements-per-line": ["error", {
      "max": 1
    }],
    "multiline-ternary": ["warn", "always-multiline"],
    "new-cap": ["warn", {
      "capIsNew": false,
      "newIsCap": true,
      "properties": false
    }],
    "new-parens": ["error", "always"],
    "newline-per-chained-call": ["warn", {
      "ignoreChainWithDepth": 5
    }],
    "no-console": "off",
    "no-control-regex": "off",
    "no-duplicate-imports": "error",
    "no-empty-pattern": "error",
    "no-lonely-if": "warn",
    "no-mixed-operators": "off",
    "no-multi-assign": "error",
    "no-multi-spaces": "warn",
    "no-multi-str": "warn",
    "no-multiple-empty-lines": ["warn", {
      "max": 2,
      "maxBOF": 0,
      "maxEOF": 0
    }],
    "no-nested-ternary": "off",
    "no-new": "warn",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-proto": "error",
    "no-return-assign": "error",
    "no-return-await": "off",
    "no-self-compare": "warn",
    "no-sequences": "error",
    "no-trailing-spaces": ["warn", {
      "skipBlankLines": true
    }],
    "no-underscore-dangle": "off",
    "no-unneeded-ternary": "warn",
    "no-unused-vars": "warn",
    "no-useless-computed-key": "warn",
    "no-useless-constructor": "warn",
    "no-useless-rename": "error",
    "no-var": "error",
    "no-whitespace-before-property": "warn",
    "no-with": "error",
    "object-curly-newline": ["warn", {
      "consistent": true
    }],
    "object-curly-spacing": ["warn", "always", {
      "arraysInObjects": true,
      "objectsInObjects": true
    }],
    "object-property-newline": ["warn", {
      "allowAllPropertiesOnSameLine": true
    }],
    "object-shorthand": ["warn", "properties"],
    "one-var": ["warn", "never"],
    "operator-linebreak": ["warn", "before"],
    "padded-blocks": ["warn", "never"],
    "prefer-arrow-callback": "warn",
    "prefer-const": ["warn", {
      "destructuring": "all"
    }],
    "prefer-exponentiation-operator": "warn",
    "prefer-numeric-literals": "warn",
    "prefer-object-spread": "warn",
    "prefer-rest-params": "error",
    "prefer-template": "warn",
    "quote-props": ["warn", "as-needed"],
    "quotes": ["warn", "double", {
      "allowTemplateLiterals": true
    }],
    "rest-spread-spacing": ["warn", "never"],
    "semi": ["warn", "always"],
    "semi-spacing": ["warn", {
      "before": false,
      "after": true
    }],
    "semi-style": ["warn", "last"],
    "sort-keys": ["off", "asc"],
    "space-before-blocks": ["warn", "always"],
    "space-before-function-paren": ["warn", "always"],
    "space-in-parens": ["warn", "never"],
    "space-infix-ops": "error",
    "space-unary-ops": "warn",
    "spaced-comment": ["warn", "always"],
    "switch-colon-spacing": ["warn", {
      "after": true,
      "before": false
    }],
    "symbol-description": "off",
    "template-curly-spacing": ["warn", "never"],
    "template-tag-spacing": ["warn", "always"],
    "unicorn/catch-error-name": ["warn", {
      "name": "e"
    }],
    "unicorn/empty-brace-spaces": "warn",
    "unicorn/new-for-builtins": "error",
    "unicorn/no-array-for-each": "error",
    "unicorn/no-array-push-push": "warn",
    "unicorn/no-console-spaces": "warn",
    "unicorn/no-lonely-if": "warn",
    "unicorn/no-instanceof-array": "error",
    "unicorn/no-nested-ternary": "warn",
    "unicorn/no-new-buffer": "error",
    "unicorn/no-unreadable-array-destructuring": "error",
    "unicorn/no-unsafe-regex": "off",
    "unicorn/number-literal-case": "warn",
    "unicorn/numeric-separators-style": ["warn", {
      "onlyIfContainsSeparator": true
    }],
    "unicorn/prefer-array-find": "warn",
    "unicorn/prefer-array-flat": "warn",
    "unicorn/prefer-array-flat-map": "warn",
    "unicorn/prefer-array-index-of": "warn",
    "unicorn/prefer-array-some": "warn",
    "unicorn/prefer-regexp-test": "warn",
    "unicorn/prefer-date-now": "warn",
    "unicorn/prefer-includes": "warn",
    "unicorn/prefer-math-trunc": "warn",
    "unicorn/prefer-string-starts-ends-with": "warn",
    "unicorn/prefer-string-trim-start-end": "warn",
    "unicorn/throw-new-error": "error",
    "wrap-iife": ["warn", "inside"],
    "yoda": "error"
  },
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "requireConfigFile": false,
    "ecmaVersion": 2022
  },
  "globals": {
    "sb": "readonly"
  }
}