CSS Support

CSS support in tsdown is still in a very early, experimental stage. While you can use some basic features, please be aware that the API and behavior may change in future releases.

Experimental Feature

CSS support is highly experimental. Please test thoroughly and report any issues you encounter. The API and behavior may change as the feature matures.

Options

Disabling CSS Code Splitting

By default, CSS may be split into multiple files based on your entry points. If you want to disable CSS code splitting and generate a single CSS file, you can set css.splitting to false in your configuration:

export default defineConfig({
  css: {
    splitting: false,
  },
})

Setting the Output CSS File Name

You can customize the name of the merged CSS file using the css.fileName option:

export default defineConfig({
  css: {
    fileName: 'my-library.css',
  },
})

This will output your combined CSS as my-library.css in the output directory.