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I want the classes in my React.js application to be available for export from .styl-files in the same way as it can be done from CSS Modules, but I can't find any ready-made solution to this problem.

I found a guide to setting up CSS Modules in an application created with Create React App.
I understand that you need to run npm run eject and somehow rewrite configuration files,
but how – I don't understand.

Answers

You need to install next npm-packages in your project:

• stylus
• stylus-loader
• css-loader

In webpack.config, in section module you need to add next points:

{
  test: /\.styl$/,
  use: [
    'style-loader',
    'css-loader?modules&camelCase&localIdentName=[path]__[name]__[local]--[hash:base64:5]',
    'stylus-loader',
  ],
},
{
  test: /\.css$/,
  use: [
    'style-loader',
    'css-loader',
  ],
},

Then you can import your styles from .styl files in your React components like this:

import style from './СomponentStyle.styl'; 

and you can use style by CSS name for example:

className={style.container} 

where container - it is name of CSS but without dot. For complicated names like: .container-btn-green you need write next code: style.containerBtnGreen or style['container-btn-green']