chore: merge main

Author: sapphi-red

.github/workflows/release-continuous.yml

@@ -0,0 +1,38 @@
+name: Preview Publish
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, labeled]
+
+permissions: {}
+
+jobs:
+  preview:
+    if: >
+      github.repository == 'vitejs/vite-plugin-react' &&
+      (github.event_name == 'push' ||
+      (github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'trigger: preview')))
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build
+        run: pnpm build
+
+      - name: Publish
+        run: pnpm dlx [email protected] publish --pnpm --compact './packages/*' './packages/plugin-react-swc/dist'

packages/plugin-react-swc/CHANGELOG.md

@@ -6,6 +6,10 @@
 
 Added `filter` so that it is more performant when running this plugin with rolldown-powered version of Vite.
 
+### Skip HMR preamble in Vitest browser mode
+
+This was causing annoying `Sourcemap for "/@react-refresh" points to missing source files` and is unnecessary in test mode.
+
 ## 3.9.0 (2025-04-15)
 
 ### Make compatible with rolldown-vite

packages/plugin-react-swc/src/index.ts

@@ -142,13 +142,17 @@ const react = (_options?: Options): PluginOption[] => {
           )
         }
       },
-      transformIndexHtml: (_, config) => [
-        {
-          tag: 'script',
-          attrs: { type: 'module' },
-          children: getPreambleCode(config.server!.config.base),
-        },
-      ],
+      transformIndexHtml: (_, config) => {
+        if (!hmrDisabled) {
+          return [
+            {
+              tag: 'script',
+              attrs: { type: 'module' },
+              children: getPreambleCode(config.server!.config.base),
+            },
+          ]
+        }
+      },
       async transform(code, _id, transformOptions) {
         const id = _id.split('?')[0]
         const refresh = !transformOptions?.ssr && !hmrDisabled