Possible Errors

for-direction

Recommended
Turn on
Enforce “for” loop update clause moving the counter in the right direction

getter-return

Recommended
Turn on
Enforce return statements in getters

no-await-in-loop

Turn on
Disallow await inside of loops

no-async-promise-executor

Turn on
Disallow using an async function as a Promise executor

no-compare-neg-zero

Recommended
Turn on
Disallow comparing against -0

no-cond-assign

Recommended
Turn on
Disallow assignment operators in conditional expressions

no-control-regex

Recommended
Turn on
Disallow control characters in regular expressions

no-constant-condition

Recommended
Turn on
Disallow constant expressions in conditions

no-console

Recommended
Turn on
Disallow the use of console

no-debugger

Recommended
Turn on
Disallow the use of debugger

no-dupe-args

Recommended
Turn on
Disallow duplicate arguments in function definitions

no-dupe-keys

Recommended
Turn on
Disallow duplicate keys in object literals

no-duplicate-case

Recommended
Turn on
Disallow duplicate case labels

no-empty

Recommended
Turn on
Disallow empty block statements

no-empty-character-class

Recommended
Turn on
Disallow empty character classes in regular expressions

no-ex-assign

Recommended
Turn on
Disallow reassigning exceptions in catch clauses

no-extra-boolean-cast

Recommended
Fixable
Turn on
Disallow unnecessary boolean casts

no-extra-parens

Fixable
Turn on
Disallow unnecessary parentheses

no-extra-semi

Recommended
Fixable
Turn on
Disallow unnecessary semicolons

no-func-assign

Recommended
Turn on
Disallow reassigning function declarations

no-inner-declarations

Recommended
Turn on
Disallow variable or function declarations in nested blocks

no-invalid-regexp

Recommended
Turn on
Disallow invalid regular expression strings in RegExp constructors

no-irregular-whitespace

Recommended
Turn on
Disallow irregular whitespace outside of strings and comments

no-misleading-character-class

Turn on
Disallow characters which are made with multiple code points in character class syntax

no-obj-calls

Recommended
Turn on
Disallow calling global object properties as functions

no-prototype-builtins

Turn on
Disallow calling some Object.prototype methods directly on objects

no-regex-spaces

Recommended
Fixable
Turn on
Disallow multiple spaces in regular expressions

no-sparse-arrays

Recommended
Turn on
Disallow sparse arrays

no-template-curly-in-string

Turn on
Disallow template literal placeholder syntax in regular strings

no-unexpected-multiline

Recommended
Turn on
Disallow confusing multiline expressions

no-unreachable

Recommended
Turn on
Disallow unreachable code after return, throw, continue, and break statements

no-unsafe-finally

Recommended
Turn on
Disallow control flow statements in finally blocks

no-unsafe-negation

Recommended
Fixable
Turn on
Disallow negating the left operand of relational operators

require-atomic-updates

Turn on
Disallow assignments that can lead to race conditions due to usage of await or yield

use-isnan

Recommended
Turn on
Require calls to isNaN() when checking for NaN

valid-jsdoc

Fixable
Turn on
Enforce valid JSDoc comments

valid-typeof

Recommended
Turn on
Enforce comparing typeof expressions against valid strings

Best Practices

Strict Mode

Variables

Node.js and CommonJS

Stylistic Issues

ECMAScript 6

DownloadPreview

valid-jsdoc

- Enforce valid JSDoc comments

Fixable

This rule enforces valid and consistent JSDoc comments. It reports any of the following problems:.

What ESLint should do when it catches the rule break

Show a warning

Options

requireReturnType

Disallows missing type in return tags.

requireParamDescription

Disallows missing description in parameter tags.

requireReturnDescription

Disallows missing description in return tags.

requireParamType

Disallows missing type in parameter tags.

requireReturn

Disallows missing type in parameter tags.

Specifies a regular expression to match the description in each JSDoc comment.

Rule examples

You can check them out here.

use-isnanvalid-typeof