fix: check config.server.hmr instead of env to detect testing mode

Author: ArnaudBarre

packages/plugin-react/src/index.ts

@@ -128,7 +128,7 @@ export default function viteReact(opts: Options = {}): PluginOption[] {
       skipFastRefresh =
         isProduction ||
         config.command === 'build' ||
-        (!!process.env.TEST && !process.env.VITE_TEST_HMR)
+        config.server.hmr === false
 
       if ('jsxPure' in opts) {
         config.logger.warnOnce(

playground/test-utils.ts

@@ -95,7 +95,7 @@ export async function untilUpdated(
   runInBuild = false,
 ): Promise<void> {
   if (isBuild && !runInBuild) return
-  const maxTries = process.env.CI ? 200 : 50
+  const maxTries = process.env.CI ? 100 : 50
   for (let tries = 0; tries < maxTries; tries++) {
     const actual = (await poll()) ?? ''
     if (actual.indexOf(expected) > -1 || tries === maxTries - 1) {

playground/vitest.config.e2e.ts

@@ -1,7 +1,7 @@
 import { resolve } from 'node:path'
 import { defineConfig } from 'vitest/config'
 
-const timeout = process.env.CI ? 50000 : 30000
+const timeout = process.env.CI ? 20_000 : 10_000
 
 export default defineConfig({
   resolve: {

playground/vitestGlobalSetup.ts

@@ -9,7 +9,6 @@ const DIR = path.join(os.tmpdir(), 'vitest_playwright_global_setup')
 let browserServer: BrowserServer | undefined
 
 export async function setup(): Promise<void> {
-  process.env.VITE_TEST_HMR = 'true' // To force HMR transformation in test environment
   process.env.NODE_ENV = process.env.VITE_TEST_BUILD
     ? 'production'
     : 'development'