.eslintrc.json

{
  "env": {
    "browser": true,
    "es2021": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module"
  },
  "rules": {
    "indent": ["error", 4],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "accessor-pairs": "error", // Enforce getter and setter pairs in objects
    "class-methods-use-this": "error", // Enforce that class methods utilize 'this'
    "complexity": ["error", 10], // Enforce a maximum cyclomatic complexity allowed in a program
    "consistent-return": "error", // Require return statements to either always or never specify values
    "curly": "error", // Enforce consistent brace style for all control statements
    "default-case": "error", // Require default cases in switch statements
    "dot-location": ["error", "property"], // Enforce consistent newlines before and after dots
    "dot-notation": "error", // Enforce dot notation whenever possible
    "guard-for-in": "error", // Require for-in loops to include an if statement
    "no-alert": "error", // Disallow the use of alert, confirm, and prompt
    "no-caller": "error", // Disallow the use of arguments.caller or arguments.callee
    "no-case-declarations": "error", // Disallow lexical declarations in case clauses
    "no-div-regex": "error", // Disallow division operators explicitly at the beginning of regular expressions
    "no-else-return": "error", // Disallow else blocks after return statements in if statements
    "no-empty-function": "error", // Disallow empty functions
    "no-empty-pattern": "error", // Disallow empty destructuring patterns
    "no-eq-null": "error", // Disallow null comparisons without type-checking operators
    "no-extend-native": "error", // Disallow extending native types
    "no-extra-bind": "error", // Disallow unnecessary calls to .bind()
    "no-extra-label": "error", // Disallow unnecessary labels
    "no-fallthrough": "error", // Disallow fallthrough of case statements
    "no-floating-decimal": "error", // Disallow leading or trailing decimal points in numeric literals
    "no-global-assign": "error", // Disallow assignments to native objects or read-only global variables
    "no-implicit-coercion": "error", // Disallow shorthand type conversions
    "no-implicit-globals": "error", // Disallow variable and function declarations in the global scope
    "no-implied-eval": "error", // Disallow the use of eval()-like methods
    "no-invalid-this": "error", // Disallow this keywords outside of classes or class-like objects
    "no-iterator": "error", // Disallow the use of the __iterator__ property
    "no-labels": "error", // Disallow labeled statements
    "no-lone-blocks": "error", // Disallow unnecessary nested blocks
    "no-loop-func": "error", // Disallow function declarations and expressions inside loop statements

    "no-multi-spaces": "error", // Disallow multiple spaces
    "no-multi-str": "error", // Disallow multiline strings
    "no-new": "error", // Disallow new operators outside of assignments or comparisons
    "no-new-func": "error", // Disallow new operators with the Function object
    "no-new-wrappers": "error", // Disallow new operators with the String, Number, and Boolean objects
    "no-octal": "error", // Disallow octal literals
    "no-octal-escape": "error", // Disallow octal escape sequences in string literals
    "no-param-reassign": "error", // Disallow reassigning function parameters
    "no-proto": "error", // Disallow the use of the __proto__ property
    "no-redeclare": "error", // Disallow variable redeclaration
    "no-restricted-properties": "error", // Disallow certain properties on certain objects
    "no-return-assign": "error", // Disallow assignment operators in return statements
    "no-return-await": "error", // Disallow unnecessary return await
    "no-script-url": "error", // Disallow javascript: urls
    "no-self-assign": "error", // Disallow assignments where both sides are exactly the same
    "no-self-compare": "error", // Disallow comparisons where both sides are exactly the same
    "no-sequences": "error", // Disallow comma operators
    "no-throw-literal": "error", // Disallow throwing literals as exceptions
    "no-unmodified-loop-condition": "error", // Disallow unmodified loop conditions
    "no-unused-expressions": "error", // Disallow unused expressions
    "no-unused-labels": "error", // Disallow unused labels
    "no-useless-call": "error", // Disallow unnecessary calls to .call() and .apply()
    "no-useless-concat": "error", // Disallow unnecessary concatenation of literals or template literals
    "no-useless-return": "error", // Disallow redundant return statements
    "no-void": "error", // Disallow void operators
    "no-warning-comments": "warn", // Disallow specified warning terms in comments
    "no-with": "error", // Disallow with statements
    "prefer-promise-reject-errors": "error", // Require using Error objects as Promise rejection reasons
    "radix": "error", // Enforce the consistent use of the radix argument when using parseInt()
    "require-await": "error", // Disallow async functions which have no await expression
    "vars-on-top": "error", // Require var declarations be placed at the top of their containing scope
    "wrap-iife": ["error", "inside"] // Require parentheses around immediate function invocations
  }
}