astro.config.mjs

// Should be:
// import content from '@originjs/vite-plugin-content
// But has to be:
import _content from '@originjs/vite-plugin-content'
let content = _content.default

/** @type {import('astro').AstroUserConfig} */
export default {
  // projectRoot: '.',     // Where to resolve all URLs relative to. Useful if you have a monorepo project.
  // pages: './src/pages', // Path to Astro components, pages, and data
  // dist: './dist',       // When running `astro build`, path to final static output
  // public: './public',   // A folder of static files Astro will copy to the root. Useful for favicons, images, and other files that don’t need processing.
  buildOptions: {
    // site: 'http://example.com',           // Your public domain, e.g.: https://my-site.dev/. Used to generate sitemaps and canonical URLs.
    sitemap: true,         // Generate sitemap (set to "false" to disable)
  },
  devOptions: {
    // hostname: 'localhost',  // The hostname to run the dev server on.
    // port: 3000,             // The port to run the dev server on.
  },
  renderers: [
    "@astrojs/renderer-svelte"
  ],
  vite: {
    plugins: [content()]
  }
}