eslint-plugin-classnames

Warn and formats long classNames usage in JSX

Installation

You'll first need to install ESLint:

$ npm i eslint --save-dev

Next, install eslint-plugin-classnames:

$ npm install eslint-plugin-classnames --save-dev

Usage

Add classnames to the plugins section of your .eslintrc configuration file. You can omit the eslint-plugin- prefix:

{
  "plugins": ["classnames"]
}

Then configure the rules you want to use under the rules section.

{
  "rules": {
    "classnames/prefer-classnames-function": 2
  }
}

Supported Rules

✔: Enabled in the recommended configuration.
🔧: Fixable with eslint --fix.

✔	🔧	Rule	Description
✔	🔧	classnames/prefer-classnames-function	suggest using className() or clsx() in JSX className
✔	🔧	classnames/one-by-one-arguments	suggest not to include multiple classes in an argument of className() or clsx()