Possible Errors

Best Practices

Strict Mode

Variables

Node.js and CommonJS

Stylistic Issues

ECMAScript 6

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complexity

- Enforce a maximum cyclomatic complexity allowed in a program

This rule is aimed at reducing code complexity by capping the amount of cyclomatic complexity allowed in a program. As such, it will warn when the cyclomatic complexity crosses the configured threshold (default is 20).

What ESLint should do when it catches the rule break

Show a warning

Options

max

Specifies a cyclomatic complexity threshold.

Rule examples

You can check them out here.

class-methods-use-this consistent-return

Possible Errors

Best Practices

accessor-pairs

array-callback-return

block-scoped-var

class-methods-use-this

complexity

consistent-return

curly

default-case

dot-location

dot-notation

eqeqeq

guard-for-in

max-classes-per-file

no-alert

no-caller

no-case-declarations

no-div-regex

no-else-return

no-empty-function

no-empty-pattern

no-eq-null

no-eval

no-extend-native

no-extra-bind

no-extra-label

no-fallthrough

no-floating-decimal

no-global-assign

no-implicit-coercion

no-implicit-globals

no-implied-eval

no-invalid-this

no-iterator

no-labels

no-lone-blocks

no-loop-func

no-magic-numbers

no-multi-spaces

no-multi-str

no-new

no-new-func

no-new-wrappers

no-octal

no-octal-escape

no-param-reassign

no-proto

no-redeclare

no-restricted-properties

no-return-await

no-script-url

no-return-assign

no-self-assign

no-self-compare

no-sequences

no-throw-literal

no-unmodified-loop-condition

no-unused-labels

no-unused-expressions

no-useless-call

no-useless-catch

no-useless-concat

no-useless-escape

no-useless-return

no-void

no-warning-comments

no-with

prefer-promise-reject-errors

radix

require-await

require-unicode-regexp

vars-on-top

wrap-iife

yoda

Strict Mode

Variables

Node.js and CommonJS

Stylistic Issues

ECMAScript 6