feat(experimental): expose vite on the test project as a separate field

Author: sheremet-va

docs/advanced/reporters.md

@@ -402,6 +402,10 @@ declare class TestProject {
    * @experimental The public Vitest API is experimental and does not follow semver.
    */
   readonly workspaceProject: WorkspaceProject
+  /**
+   * Vite's dev server instance. Every workspace project has its own server.
+   */
+  readonly vite: ViteDevServer
   /**
    * Resolved project configuration.
    */

packages/vitest/src/node/reported-workspace-project.ts

@@ -1,3 +1,4 @@
+import type { ViteDevServer } from 'vite'
 import type { ProvidedContext } from '../types/general'
 import type { Vitest } from './core'
 import type { ResolvedConfig, ResolvedProjectConfig, SerializedConfig } from './types/config'
@@ -15,6 +16,10 @@ export class TestProject {
    */
   public readonly workspaceProject: WorkspaceProject
 
+  /**
+   * Vite's dev server instance. Every workspace project has its own server.
+   */
+  public readonly vite: ViteDevServer
   /**
    * Resolved project configuration.
    */
@@ -32,6 +37,7 @@ export class TestProject {
   constructor(workspaceProject: WorkspaceProject) {
     this.workspaceProject = workspaceProject
     this.vitest = workspaceProject.ctx
+    this.vite = workspaceProject.server
     this.globalConfig = workspaceProject.ctx.config
     this.config = workspaceProject.config
     this.name = workspaceProject.getName()