refactor!: merge PreviewServerForHook into PreviewServer type

docs/guide/api-javascript.md

@@ -201,15 +201,7 @@ import { preview } from 'vite'
 ## `PreviewServer`
 
 ```ts
-interface PreviewServer extends PreviewServerForHook {
-  resolvedUrls: ResolvedServerUrls
-}
-```
-
-## `PreviewServerForHook`
-
-```ts
-interface PreviewServerForHook {
+interface PreviewServer {
   /**
    * The resolved vite config object
    */
@@ -228,7 +220,8 @@ interface PreviewServerForHook {
    */
   httpServer: http.Server
   /**
-   * The resolved urls Vite prints on the CLI
+   * The resolved urls Vite prints on the CLI.
+   * null before server is listening.
    */
   resolvedUrls: ResolvedServerUrls | null
   /**

docs/guide/api-plugin.md

@@ -311,9 +311,9 @@ Vite plugins can also provide hooks that serve Vite-specific purposes. These hoo
 
 ### `configurePreviewServer`
 
-- **Type:** `(server: PreviewServerForHook) => (() => void) | void | Promise<(() => void) | void>`
+- **Type:** `(server: PreviewServer) => (() => void) | void | Promise<(() => void) | void>`
 - **Kind:** `async`, `sequential`
-- **See also:** [PreviewServerForHook](./api-javascript#previewserverforhook)
+- **See also:** [PreviewServer](./api-javascript#previewserver)
 
   Same as [`configureServer`](/guide/api-plugin.html#configureserver) but for the preview server. Similarly to `configureServer`, the `configurePreviewServer` hook is called before other middlewares are installed. If you want to inject a middleware **after** other middlewares, you can return a function from `configurePreviewServer`, which will be called after internal middlewares are installed:
 

packages/vite/src/node/index.ts

@@ -34,7 +34,6 @@ export type {
 export type {
   PreviewOptions,
   PreviewServer,
-  PreviewServerForHook,
   PreviewServerHook,
   ResolvedPreviewOptions,
 } from './preview'

packages/vite/src/node/plugin.ts

@@ -90,7 +90,7 @@ export interface Plugin extends RollupPlugin {
    */
   configureServer?: ObjectHook<ServerHook>
   /**
-   * Configure the preview server. The hook receives the {@link PreviewServerForHook}
+   * Configure the preview server. The hook receives the {@link PreviewServer}
    * instance. This can also be used to store a reference to the server
    * for use in other hooks.
    *

packages/vite/src/node/preview.ts

@@ -45,8 +45,7 @@ export function resolvePreviewOptions(
   }
 }
 
-// TODO: merge with PreviewServer in Vite 5
-export interface PreviewServerForHook {
+export interface PreviewServer {
   /**
    * The resolved vite config object
    */
@@ -65,7 +64,8 @@ export interface PreviewServerForHook {
    */
   httpServer: http.Server
   /**
-   * The resolved urls Vite prints on the CLI
+   * The resolved urls Vite prints on the CLI.
+   * null before server is listening.
    */
   resolvedUrls: ResolvedServerUrls | null
   /**
@@ -74,13 +74,9 @@ export interface PreviewServerForHook {
   printUrls(): void
 }
 
-export interface PreviewServer extends PreviewServerForHook {
-  resolvedUrls: ResolvedServerUrls
-}
-
 export type PreviewServerHook = (
   this: void,
-  server: PreviewServerForHook,
+  server: PreviewServer,
 ) => (() => void) | void | Promise<(() => void) | void>
 
 /**
@@ -122,7 +118,7 @@ export async function preview(
   const options = config.preview
   const logger = config.logger
 
-  const server: PreviewServerForHook = {
+  const server: PreviewServer = {
     config,
     middlewares: app,
     httpServer,

packages/vite/src/node/shortcuts.ts

@@ -147,8 +147,13 @@ const BASE_PREVIEW_SHORTCUTS: CLIShortcut<PreviewServer>[] = [
     key: 'o',
     description: 'open in browser',
     action(server) {
-      const url = server.resolvedUrls.local[0] ?? server.resolvedUrls.network[0]
-      openBrowser(url, true, server.config.logger)
+      const url =
+        server.resolvedUrls?.local[0] ?? server.resolvedUrls?.network[0]
+      if (url) {
+        openBrowser(url, true, server.config.logger)
+      } else {
+        server.config.logger.warn('No URL available to open in browser')
+      }
     },
   },
   {