.eslintrc

{
  "globals": {},

  "plugins": [],

  "reportUnusedDisableDirectives": true,

  "env":{
    "browser": true,  // browser global variables.
    "node": true,  // Node.js global variables and Node.js scoping.
    "commonjs": false,  // CommonJS global variables and CommonJS scoping (use this for browser-only code that uses Browserify/WebPack).
    "shared-node-browser": false,  // Globals common to both Node.js and Browser.
    "es6": true,  // enable all ECMAScript 6 features except for modules (this automatically sets the ecmaVersion parser option to 6).
    "es2017": false,  // adds all ECMAScript 2017 globals and automatically sets the ecmaVersion parser option to 8.
    "es2020": false,  // adds all ECMAScript 2020 globals and automatically sets the ecmaVersion parser option to 11.
    "es2021": false,  // adds all ECMAScript 2021 globals and automatically sets the ecmaVersion parser option to 12.
    "worker": false,  // web workers global variables.
    "amd": false,  // defines require() and define() as global variables as per the amd spec.
    "mocha": false,  // adds all of the Mocha testing global variables.
    "jasmine": false,  // adds all of the Jasmine testing global variables for version 1.3 and 2.0.
    "jest": false,  // Jest global variables.
    "phantomjs": false,  // PhantomJS global variables.
    "protractor": false,  // Protractor global variables.
    "qunit": false,  // QUnit global variables.
    "jquery": false,  // jQuery global variables.
    "prototypejs": false,  // Prototype.js global variables.
    "shelljs": false,  // ShellJS global variables.
    "meteor": false,  // Meteor global variables.
    "mongo": false,  // MongoDB global variables.
    "applescript": false,  // AppleScript global variables.
    "nashorn": false,  // Java 8 Nashorn global variables.
    "serviceworker": false,  // Service Worker global variables.
    "atomtest": false,  // Atom test helper globals.
    "embertest": false,  // Ember test helper globals.
    "webextensions": false,  // WebExtensions globals.
    "greasemonkey": false,  // GreaseMonkey globals.
  },


  "rules": {
    /// Possible Errors
    "for-direction": 1,  // enforce "for" loop update clause moving the counter in the right direction.
    "getter-return": 1,  // enforce `return` statements in getters
    "no-async-promise-executor": 0,  // disallow using an async function as a Promise executor
    "no-await-in-loop": 1,  // disallow `await` inside of loops
    "no-compare-neg-zero": 1,  // disallow comparing against -0
    "no-cond-assign": 1,  // disallow assignment operators in conditional expressions
    "no-console": 0,  // disallow the use of `console`
    "no-constant-condition": 1,  // disallow constant expressions in conditions
    "no-control-regex": 1,  // disallow control characters in regular expressions
    "no-debugger": 1,  // disallow the use of `debugger`
    "no-dupe-args": 1,  // disallow duplicate arguments in `function` definitions
    "no-dupe-else-if": 0,  // disallow duplicate conditions in if-else-if chains
    "no-dupe-keys": 1,  // disallow duplicate keys in object literals
    "no-duplicate-case": 1,  // disallow duplicate case labels
    "no-empty": 1,  // disallow empty block statements
    "no-empty-character-class": 1,  // disallow empty character classes in regular expressions
    "no-ex-assign": 1,  // disallow reassigning exceptions in `catch` clauses
    "no-extra-boolean-cast": 1,  // disallow unnecessary boolean casts
    "no-extra-parens": 1,  // disallow unnecessary parentheses
    "no-extra-semi": 0,  // disallow unnecessary semicolons
    "no-func-assign": 1,  // disallow reassigning `function` declarations
    "no-import-assign": 0,  // disallow assigning to imported bindings
    "no-inner-declarations": 1,  // disallow variable or `function` declarations in nested blocks
    "no-invalid-regexp": 1,  // disallow invalid regular expression strings in `RegExp` constructors
    "no-irregular-whitespace": 1,  // disallow irregular whitespace
    "no-loss-of-precision": 0,  // disallow literal numbers that lose precision
    "no-misleading-character-class": 0,  // disallow characters which are made with multiple code points in character class syntax
    "no-obj-calls": 1,  // disallow calling global object properties as functions
    "no-promise-executor-return": 0,  // disallow returning values from Promise executor functions
    "no-prototype-builtins": 1,  // disallow calling some `Object.prototype` methods directly on objects
    "no-regex-spaces": 1,  // disallow multiple spaces in regular expressions
    "no-setter-return": 0,  // disallow returning values from setters
    "no-sparse-arrays": 1,  // disallow sparse arrays
    "no-template-curly-in-string": 1,  // disallow template literal placeholder syntax in regular strings
    "no-unexpected-multiline": 1,  // disallow confusing multiline expressions
    "no-unreachable": 1,  // disallow unreachable code after `return`, `throw`, `continue`, and `break` statements
    "no-unreachable-loop": 0,  // disallow loops with a body that allows only one iteration
    "no-unsafe-finally": 1,  // disallow control flow statements in `finally` blocks
    "no-unsafe-negation": 1,  // disallow negating the left operand of relational operators
    "no-unsafe-optional-chaining": 0,  // disallow use of optional chaining in contexts where the `undefined` value is not allowed
    "no-useless-backreference": 0,  // disallow useless backreferences in regular expressions
    "require-atomic-updates": 0,  // disallow assignments that can lead to race conditions due to usage of `await` or `yield`
    "use-isnan": 1,  // require calls to `isNaN()` when checking for `NaN`
    "valid-typeof": 1,  // enforce comparing `typeof` expressions against valid strings

    /// Best Practices
    "accessor-pairs": 1,  // enforce getter and setter pairs in objects and classes
    "array-callback-return": 1,  // enforce `return` statements in callbacks of array methods
    "block-scoped-var": 1,  // enforce the use of variables within the scope they are defined
    "class-methods-use-this": 1,  // enforce that class methods utilize `this`
    "complexity": 1,  // enforce a maximum cyclomatic complexity allowed in a program
    "consistent-return": 1,  // require `return` statements to either always or never specify values
    "curly": 1,  // enforce consistent brace style for all control statements
    "default-case": 1,  // require `default` cases in `switch` statements
    "default-case-last": 0,  // enforce default clauses in switch statements to be last
    "default-param-last": 0,  // enforce default parameters to be last
    "dot-location": 0,  // enforce consistent newlines before and after dots
    "dot-notation": 1,  // enforce dot notation whenever possible
    "eqeqeq": 1,  // require the use of `===` and `!==`
    "grouped-accessor-pairs": 0,  // require grouped accessor pairs in object literals and classes
    "guard-for-in": 1,  // require `for-in` loops to include an `if` statement
    "max-classes-per-file": 0,  // enforce a maximum number of classes per file
    "no-alert": 1,  // disallow the use of `alert`, `confirm`, and `prompt`
    "no-caller": 1,  // disallow the use of `arguments.caller` or `arguments.callee`
    "no-case-declarations": 1,  // disallow lexical declarations in case clauses
    "no-constructor-return": 0,  // disallow returning value from constructor
    "no-div-regex": 1,  // disallow division operators explicitly at the beginning of regular expressions
    "no-else-return": 1,  // disallow `else` blocks after `return` statements in `if` statements
    "no-empty-function": 1,  // disallow empty functions
    "no-empty-pattern": 1,  // disallow empty destructuring patterns
    "no-eq-null": 1,  // disallow `null` comparisons without type-checking operators
    "no-eval": 1,  // disallow the use of `eval()`
    "no-extend-native": 1,  // disallow extending native types
    "no-extra-bind": 1,  // disallow unnecessary calls to `.bind()`
    "no-extra-label": 1,  // disallow unnecessary labels
    "no-fallthrough": 1,  // disallow fallthrough of `case` statements
    "no-floating-decimal": 1,  // disallow leading or trailing decimal points in numeric literals
    "no-global-assign": 1,  // disallow assignments to native objects or read-only global variables
    "no-implicit-coercion": 1,  // disallow shorthand type conversions
    "no-implicit-globals": 0,  // disallow declarations in the global scope
    "no-implied-eval": 1,  // disallow the use of `eval()`-like methods
    "no-invalid-this": 1,  // disallow `this` keywords outside of classes or class-like objects
    "no-iterator": 1,  // disallow the use of the `__iterator__` property
    "no-labels": 1,  // disallow labeled statements
    "no-lone-blocks": 1,  // disallow unnecessary nested blocks
    "no-loop-func": 1,  // disallow function declarations that contain unsafe references inside loop statements
    "no-magic-numbers": 0,  // disallow magic numbers
    "no-multi-spaces": 1,  // disallow multiple spaces
    "no-multi-str": 1,  // disallow multiline strings
    "no-new": 1,  // disallow `new` operators outside of assignments or comparisons
    "no-new-func": 1,  // disallow `new` operators with the `Function` object
    "no-new-wrappers": 1,  // disallow `new` operators with the `String`, `Number`, and `Boolean` objects
    "no-nonoctal-decimal-escape": 0,  // disallow `\8` and `\9` escape sequences in string literals
    "no-octal": 1,  // disallow octal literals
    "no-octal-escape": 1,  // disallow octal escape sequences in string literals
    "no-param-reassign": 1,  // disallow reassigning `function` parameters
    "no-proto": 1,  // disallow the use of the `__proto__` property
    "no-redeclare": 1,  // disallow variable redeclaration
    "no-restricted-properties": 1,  // disallow certain properties on certain objects
    "no-return-assign": 1,  // disallow assignment operators in `return` statements
    "no-return-await": 1,  // disallow unnecessary `return await`
    "no-script-url": 1,  // disallow `javascript:` urls
    "no-self-assign": 1,  // disallow assignments where both sides are exactly the same
    "no-self-compare": 1,  // disallow comparisons where both sides are exactly the same
    "no-sequences": 1,  // disallow comma operators
    "no-throw-literal": 1,  // disallow throwing literals as exceptions
    "no-unmodified-loop-condition": 1,  // disallow unmodified loop conditions
    "no-unused-expressions": 1,  // disallow unused expressions
    "no-unused-labels": 1,  // disallow unused labels
    "no-useless-call": 1,  // disallow unnecessary calls to `.call()` and `.apply()`
    "no-useless-catch": 0,  // disallow unnecessary `catch` clauses
    "no-useless-concat": 1,  // disallow unnecessary concatenation of literals or template literals
    "no-useless-escape": 1,  // disallow unnecessary escape characters
    "no-useless-return": 1,  // disallow redundant return statements
    "no-void": 1,  // disallow `void` operators
    "no-warning-comments": 1,  // disallow specified warning terms in comments
    "no-with": 1,  // disallow `with` statements
    "prefer-named-capture-group": 0,  // enforce using named capture group in regular expression
    "prefer-promise-reject-errors": 1,  // require using Error objects as Promise rejection reasons
    "prefer-regex-literals": 0,  // disallow use of the `RegExp` constructor in favor of regular expression literals
    "radix": 1,  // enforce the consistent use of the radix argument when using `parseInt()`
    "require-await": 1,  // disallow async functions which have no `await` expression
    "require-unicode-regexp": 0,  // enforce the use of `u` flag on RegExp
    "vars-on-top": 1,  // require `var` declarations be placed at the top of their containing scope
    "wrap-iife": 1,  // require parentheses around immediate `function` invocations
    "yoda": 1,  // require or disallow "Yoda" conditions

    /// Strict Mode
    "strict": 0,  // require or disallow strict mode directives

    /// Variables
    "init-declarations": 1,  // require or disallow initialization in variable declarations
    "no-delete-var": 1,  // disallow deleting variables
    "no-label-var": 1,  // disallow labels that share a name with a variable
    "no-restricted-globals": 1,  // disallow specified global variables
    "no-shadow": 1,  // disallow variable declarations from shadowing variables declared in the outer scope
    "no-shadow-restricted-names": 1,  // disallow identifiers from shadowing restricted names
    "no-undef": 1,  // disallow the use of undeclared variables unless mentioned in `/*global */` comments
    "no-undef-init": 1,  // disallow initializing variables to `undefined`
    "no-undefined": 0,  // disallow the use of `undefined` as an identifier
    "no-unused-vars": 1,  // disallow unused variables
    "no-use-before-define": 1,  // disallow the use of variables before they are defined

    /// Stylistic Issues
    "array-bracket-newline": 1,  // enforce linebreaks after opening and before closing array brackets
    "array-bracket-spacing": 1,  // enforce consistent spacing inside array brackets
    "array-element-newline": 0,  // enforce line breaks after each array element
    "block-spacing": 1,  // disallow or enforce spaces inside of blocks after opening block and before closing block
    "brace-style": 1,  // enforce consistent brace style for blocks
    "camelcase": 0,  // enforce camelcase naming convention
    "capitalized-comments": 0,  // enforce or disallow capitalization of the first letter of a comment
    "comma-dangle": 0,  // require or disallow trailing commas
    "comma-spacing": 1,  // enforce consistent spacing before and after commas
    "comma-style": 1,  // enforce consistent comma style
    "computed-property-spacing": 1,  // enforce consistent spacing inside computed property brackets
    "consistent-this": 1,  // enforce consistent naming when capturing the current execution context
    "eol-last": 1,  // require or disallow newline at the end of files
    "func-call-spacing": 1,  // require or disallow spacing between function identifiers and their invocations
    "func-name-matching": 1,  // require function names to match the name of the variable or property to which they are assigned
    "func-names": 1,  // require or disallow named `function` expressions
    "func-style": 0,  // enforce the consistent use of either `function` declarations or expressions
    "function-call-argument-newline": 0,  // enforce line breaks between arguments of a function call
    "function-paren-newline": 0,  // enforce consistent line breaks inside function parentheses
    "id-denylist": 1,  // disallow specified identifiers
    "id-length": 1,  // enforce minimum and maximum identifier lengths
    "id-match": 1,  // require identifiers to match a specified regular expression
    "implicit-arrow-linebreak": 0,  // enforce the location of arrow function bodies
    "indent": 0,  // enforce consistent indentation
    "jsx-quotes": 1,  // enforce the consistent use of either double or single quotes in JSX attributes
    "key-spacing": 1,  // enforce consistent spacing between keys and values in object literal properties
    "keyword-spacing": 1,  // enforce consistent spacing before and after keywords
    "line-comment-position": 1,  // enforce position of line comments
    "linebreak-style": 1,  // enforce consistent linebreak style
    "lines-around-comment": 1,  // require empty lines around comments
    "lines-between-class-members": 0,  // require or disallow an empty line between class members
    "max-depth": 0,  // enforce a maximum depth that blocks can be nested
    "max-len": 0,  // enforce a maximum line length
    "max-lines": 0,  // enforce a maximum number of lines per file
    "max-lines-per-function": 0,  // enforce a maximum number of lines of code in a function
    "max-nested-callbacks": 1,  // enforce a maximum depth that callbacks can be nested
    "max-params": 0,  // enforce a maximum number of parameters in function definitions
    "max-statements": 0,  // enforce a maximum number of statements allowed in function blocks
    "max-statements-per-line": 1,  // enforce a maximum number of statements allowed per line
    "multiline-comment-style": 0,  // enforce a particular style for multiline comments
    "multiline-ternary": 1,  // enforce newlines between operands of ternary expressions
    "new-cap": 1,  // require constructor names to begin with a capital letter
    "new-parens": 1,  // enforce or disallow parentheses when invoking a constructor with no arguments
    "newline-per-chained-call": 1,  // require a newline after each call in a method chain
    "no-array-constructor": 1,  // disallow `Array` constructors
    "no-bitwise": 0,  // disallow bitwise operators
    "no-continue": 1,  // disallow `continue` statements
    "no-inline-comments": 1,  // disallow inline comments after code
    "no-lonely-if": 1,  // disallow `if` statements as the only statement in `else` blocks
    "no-mixed-operators": 1,  // disallow mixed binary operators
    "no-mixed-spaces-and-tabs": 1,  // disallow mixed spaces and tabs for indentation
    "no-multi-assign": 1,  // disallow use of chained assignment expressions
    "no-multiple-empty-lines": 1,  // disallow multiple empty lines
    "no-negated-condition": 1,  // disallow negated conditions
    "no-nested-ternary": 1,  // disallow nested ternary expressions
    "no-new-object": 1,  // disallow `Object` constructors
    "no-plusplus": 0,  // disallow the unary operators `++` and `--`
    "no-restricted-syntax": 1,  // disallow specified syntax
    "no-tabs": 1,  // disallow all tabs
    "no-ternary": 1,  // disallow ternary operators
    "no-trailing-spaces": 1,  // disallow trailing whitespace at the end of lines
    "no-underscore-dangle": 1,  // disallow dangling underscores in identifiers
    "no-unneeded-ternary": 1,  // disallow ternary operators when simpler alternatives exist
    "no-whitespace-before-property": 1,  // disallow whitespace before properties
    "nonblock-statement-body-position": 1,  // enforce the location of single-line statements
    "object-curly-newline": 0,  // enforce consistent line breaks after opening and before closing braces
    "object-curly-spacing": 0,  // enforce consistent spacing inside braces
    "object-property-newline": 0,  // enforce placing object properties on separate lines
    "one-var": 0,  // enforce variables to be declared either together or separately in functions
    "one-var-declaration-per-line": 1,  // require or disallow newlines around variable declarations
    "operator-assignment": 1,  // require or disallow assignment operator shorthand where possible
    "operator-linebreak": 1,  // enforce consistent linebreak style for operators
    "padded-blocks": 0,  // require or disallow padding within blocks
    "padding-line-between-statements": 1,  // require or disallow padding lines between statements
    "prefer-exponentiation-operator": 0,  // disallow the use of `Math.pow` in favor of the `**` operator
    "prefer-object-spread": 0,  // disallow using Object.assign with an object literal as the first argument and prefer the use of object spread instead.
    "quote-props": 0,  // require quotes around object literal property names
    "quotes": 0,  // enforce the consistent use of either backticks, double, or single quotes
    "semi": 1,  // require or disallow semicolons instead of ASI
    "semi-spacing": 1,  // enforce consistent spacing before and after semicolons
    "semi-style": 1,  // enforce location of semicolons
    "sort-keys": 1,  // require object keys to be sorted
    "sort-vars": 1,  // require variables within the same declaration block to be sorted
    "space-before-blocks": 1,  // enforce consistent spacing before blocks
    "space-before-function-paren": 0,  // enforce consistent spacing before `function` definition opening parenthesis
    "space-in-parens": 1,  // enforce consistent spacing inside parentheses
    "space-infix-ops": 0,  // require spacing around infix operators
    "space-unary-ops": 1,  // enforce consistent spacing before or after unary operators
    "spaced-comment": 1,  // enforce consistent spacing after the `//` or `/*` in a comment
    "switch-colon-spacing": 1,  // enforce spacing around colons of switch statements
    "template-tag-spacing": 1,  // require or disallow spacing between template tags and their literals
    "unicode-bom": 1,  // require or disallow Unicode byte order mark (BOM)
    "wrap-regex": 1,  // require parenthesis around regex literals

    /// ECMAScript 6
    "arrow-body-style": 1,  // require braces around arrow function bodies
    "arrow-parens": 1,  // require parentheses around arrow function arguments
    "arrow-spacing": 1,  // enforce consistent spacing before and after the arrow in arrow functions
    "constructor-super": 1,  // require `super()` calls in constructors
    "generator-star-spacing": 1,  // enforce consistent spacing around `*` operators in generator functions
    "no-class-assign": 1,  // disallow reassigning class members
    "no-confusing-arrow": 1,  // disallow arrow functions where they could be confused with comparisons
    "no-const-assign": 1,  // disallow reassigning `const` variables
    "no-dupe-class-members": 1,  // disallow duplicate class members
    "no-duplicate-imports": 1,  // disallow duplicate module imports
    "no-new-symbol": 1,  // disallow `new` operators with the `Symbol` object
    "no-restricted-exports": 0,  // disallow specified names in exports
    "no-restricted-imports": 1,  // disallow specified modules when loaded by `import`
    "no-this-before-super": 1,  // disallow `this`/`super` before calling `super()` in constructors
    "no-useless-computed-key": 1,  // disallow unnecessary computed property keys in objects and classes
    "no-useless-constructor": 1,  // disallow unnecessary constructors
    "no-useless-rename": 1,  // disallow renaming import, export, and destructured assignments to the same name
    "no-var": 1,  // require `let` or `const` instead of `var`
    "object-shorthand": 1,  // require or disallow method and property shorthand syntax for object literals
    "prefer-arrow-callback": 1,  // require using arrow functions for callbacks
    "prefer-const": 0,  // require `const` declarations for variables that are never reassigned after declared
    "prefer-destructuring": 1,  // require destructuring from arrays and/or objects
    "prefer-numeric-literals": 1,  // disallow `parseInt()` and `Number.parseInt()` in favor of binary, octal, and hexadecimal literals
    "prefer-rest-params": 1,  // require rest parameters instead of `arguments`
    "prefer-spread": 1,  // require spread operators instead of `.apply()`
    "prefer-template": 1,  // require template literals instead of string concatenation
    "require-yield": 1,  // require generator functions to contain `yield`
    "rest-spread-spacing": 1,  // enforce spacing between rest and spread operators and their expressions
    "sort-imports": 1,  // enforce sorted import declarations within modules
    "symbol-description": 1,  // require symbol descriptions
    "template-curly-spacing": 1,  // require or disallow spacing around embedded expressions of template strings
    "yield-star-spacing": 1,  // require or disallow spacing around the `*` in `yield*` expressions
  }
}