Prerequisites

• I'm using the latest version
• I've read the relevant documentation
• I've searched for existing issues
• I've checked the list of known issues
• I've read the issue reproduction guide

Reproduction url

https://github.com/mbacalan/knip-vite-react-emotion-repro

Reproduction access

• I've made sure the reproduction is publicly accessible

Description of the issue

Plugins can be declared for Babel through @vitejs/plugin-react configuration object in Vite config file.

export default defineConfig({
  plugins: [react({
    babel: {
      plugins: ['@emotion/babel-plugin']
    }
  })],
})

Knip reports these plugins as unused devDependencies: