| 284 | } |
| 285 | |
| 286 | async function startPreviewServer( |
| 287 | viteConfig: ResolvedConfig, |
| 288 | ): Promise<PreviewServer> { |
| 289 | const vite = await import('vite') |
| 290 | |
| 291 | try { |
| 292 | return await vite.preview({ |
| 293 | configFile: viteConfig.configFile, |
| 294 | preview: { |
| 295 | port: 0, |
| 296 | open: false, |
| 297 | }, |
| 298 | }) |
| 299 | } catch (error) { |
| 300 | throw new Error( |
| 301 | 'Failed to start the Vite preview server for prerendering', |
| 302 | { |
| 303 | cause: error, |
| 304 | }, |
| 305 | ) |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | function getResolvedUrl(previewServer: PreviewServer): URL { |
| 310 | const baseUrl = previewServer.resolvedUrls?.local[0] |