fix: don't process config file twice (#4077)

Author: sheremet-va

packages/vitest/src/integrations/browser/server.ts

@@ -1,25 +1,18 @@
 import { createServer } from 'vite'
-import { resolve } from 'pathe'
-import { findUp } from 'find-up'
-import { configFiles, defaultBrowserPort } from '../../constants'
-import type { UserConfig } from '../../types/config'
+import { defaultBrowserPort } from '../../constants'
 import { ensurePackageInstalled } from '../../node/pkg'
 import { resolveApiServerConfig } from '../../node/config'
 import { CoverageTransform } from '../../node/plugins/coverageTransform'
 import type { WorkspaceProject } from '../../node/workspace'
 import { MocksPlugin } from '../../node/plugins/mocks'
 import { resolveFsAllow } from '../../node/plugins/utils'
 
-export async function createBrowserServer(project: WorkspaceProject, options: UserConfig) {
+export async function createBrowserServer(project: WorkspaceProject, configFile: string | undefined) {
   const root = project.config.root
 
   await ensurePackageInstalled('@vitest/browser', root)
 
-  const configPath = options.config === false
-    ? false
-    : options.config
-      ? resolve(root, options.config)
-      : await findUp(configFiles, { cwd: root } as any)
+  const configPath = typeof configFile === 'string' ? configFile : false
 
   const server = await createServer({
     logLevel: 'error',

packages/vitest/src/node/core.ts

@@ -133,20 +133,15 @@ export class Vitest {
 
     await Promise.all(this._onSetServer.map(fn => fn()))
 
-    this.projects = await this.resolveWorkspace(options, cliOptions)
+    this.projects = await this.resolveWorkspace(cliOptions)
 
     if (this.config.testNamePattern)
       this.configOverride.testNamePattern = this.config.testNamePattern
   }
 
-  private async createCoreWorkspace(options: UserConfig) {
-    const coreWorkspace = new WorkspaceProject(this.config.root, this)
-    await coreWorkspace.setServer(options, this.server, {
-      runner: this.runner,
-      server: this.vitenode,
-    })
-    this.coreWorkspaceProject = coreWorkspace
-    return coreWorkspace
+  private async createCoreProject() {
+    this.coreWorkspaceProject = await WorkspaceProject.createCoreProject(this)
+    return this.coreWorkspaceProject
   }
 
   public getCoreWorkspaceProject(): WorkspaceProject | null {
@@ -161,7 +156,7 @@ export class Vitest {
       || this.projects[0]
   }
 
-  private async resolveWorkspace(options: UserConfig, cliOptions: UserConfig) {
+  private async resolveWorkspace(cliOptions: UserConfig) {
     const configDir = this.server.config.configFile
       ? dirname(this.server.config.configFile)
       : this.config.root
@@ -171,7 +166,7 @@ export class Vitest {
     })
 
     if (!workspaceConfigName)
-      return [await this.createCoreWorkspace(options)]
+      return [await this.createCoreProject()]
 
     const workspaceConfigPath = join(configDir, workspaceConfigName)
 
@@ -259,7 +254,7 @@ export class Vitest {
       if (
         this.server.config.configFile === workspacePath
       )
-        return this.createCoreWorkspace(options)
+        return this.createCoreProject()
       return initializeProject(workspacePath, this, { workspaceConfigPath, test: cliOverrides })
     })
 
@@ -268,7 +263,7 @@ export class Vitest {
     })
 
     if (!projects.length)
-      return [await this.createCoreWorkspace(options)]
+      return [await this.createCoreProject()]
 
     const resolvedProjects = await Promise.all(projects)
     const names = new Set<string>()

packages/vitest/src/node/workspace.ts

@@ -15,11 +15,6 @@ import { getBrowserProvider } from '../integrations/browser'
 import { isBrowserEnabled, resolveConfig } from './config'
 import { WorkspaceVitestPlugin } from './plugins/workspace'
 
-interface InitializeServerOptions {
-  server?: ViteNodeServer
-  runner?: ViteNodeRunner
-}
-
 interface InitializeProjectOptions extends UserWorkspaceConfig {
   workspaceConfigPath: string
   extends?: string
@@ -187,20 +182,30 @@ export class WorkspaceProject {
     return testFiles
   }
 
-  async initBrowserServer(options: UserConfig) {
+  async initBrowserServer(configFile: string | undefined) {
     if (!this.isBrowserEnabled())
       return
     await this.browser?.close()
-    this.browser = await createBrowserServer(this, options)
+    this.browser = await createBrowserServer(this, configFile)
+  }
+
+  static async createCoreProject(ctx: Vitest) {
+    const project = new WorkspaceProject(ctx.config.name || ctx.config.root, ctx)
+    project.vitenode = ctx.vitenode
+    project.server = ctx.server
+    project.runner = ctx.runner
+    project.config = ctx.config
+    await project.initBrowserServer(ctx.server.config.configFile)
+    return project
   }
 
-  async setServer(options: UserConfig, server: ViteDevServer, params: InitializeServerOptions = {}) {
+  async setServer(options: UserConfig, server: ViteDevServer) {
     this.config = resolveConfig(this.ctx.mode, options, server.config)
     this.server = server
 
-    this.vitenode = params.server ?? new ViteNodeServer(server, this.config)
+    this.vitenode = new ViteNodeServer(server, this.config)
     const node = this.vitenode
-    this.runner = params.runner ?? new ViteNodeRunner({
+    this.runner = new ViteNodeRunner({
       root: server.config.root,
       base: server.config.base,
       fetchModule(id: string) {
@@ -211,7 +216,7 @@ export class WorkspaceProject {
       },
     })
 
-    await this.initBrowserServer(options)
+    await this.initBrowserServer(this.server.config.configFile)
   }
 
   async report<T extends keyof Reporter>(name: T, ...args: ArgumentsType<Reporter[T]>) {