feat(deps): upgrade upstream dependencies

docs/.vitepress/theme/data/fetch-trusted-stack-stats.ts

@@ -50,7 +50,7 @@ function parseNpmDownloadsJson(data: unknown, pkg: string): number {
   if (typeof data !== 'object' || data === null || !('downloads' in data)) {
     throw new Error(`npm API ${pkg}: unexpected payload`);
   }
-  const downloads = (data as { downloads: unknown }).downloads;
+  const downloads = data.downloads;
   if (typeof downloads !== 'number') {
     throw new Error(`npm API ${pkg}: unexpected payload`);
   }
@@ -71,7 +71,7 @@ function parseGithubRepoJson(data: unknown, repo: string): number {
   if (typeof data !== 'object' || data === null || !('stargazers_count' in data)) {
     throw new Error(`GitHub API ${repo}: unexpected payload`);
   }
-  const count = (data as { stargazers_count: unknown }).stargazers_count;
+  const count = data.stargazers_count;
   if (typeof count !== 'number') {
     throw new Error(`GitHub API ${repo}: unexpected payload`);
   }

packages/cli/build.ts

@@ -1098,7 +1098,7 @@ async function createConditionalShim(
     entries.push(['default', `./dist/test/${shimBaseName}.js`]);
   }
 
-  return Object.fromEntries(entries) as ExportValue;
+  return Object.fromEntries(entries);
 }
 
 /**

packages/cli/src/__tests__/define-config-plugins.spec.ts

@@ -15,12 +15,7 @@ const RESOLVER_PLUGIN_NAME = 'vite-plus:vitest-resolver';
 const COVERAGE_GUARD_PLUGIN_NAME = 'vite-plus:coverage-version-guard';
 
 function pluginName(p: unknown): string | undefined {
-  if (
-    p &&
-    typeof p === 'object' &&
-    'name' in p &&
-    typeof (p as { name: unknown }).name === 'string'
-  ) {
+  if (p && typeof p === 'object' && 'name' in p && typeof p.name === 'string') {
     return (p as { name: string }).name;
   }
   return undefined;

packages/cli/src/define-config.ts

@@ -614,7 +614,7 @@ function injectPluginIntoInlineConfig<
       vitePlusCoverageVersionGuardPlugin(),
       ...(config.plugins ?? []),
     ],
-  } as T;
+  };
 }
 
 /**
@@ -710,12 +710,12 @@ export function defineConfig(config: ViteUserConfigExport): ViteUserConfigExport
  */
 function injectPluginIntoProjectExport(config: UserProjectConfigExport): UserProjectConfigExport {
   if (typeof config === 'function') {
-    return ((env: ConfigEnv) => {
+    return (env: ConfigEnv) => {
       const result = config(env);
       return result instanceof Promise
         ? result.then(injectPluginIntoInlineConfig)
         : injectPluginIntoInlineConfig(result);
-    }) as UserProjectConfigFn;
+    };
   }
   if (config instanceof Promise) {
     return config.then(injectPluginIntoInlineConfig);

packages/cli/src/migration/migrator.ts

@@ -556,7 +556,7 @@ function pruneLegacyWrapperAliases(record: Record<string, unknown> | undefined):
     if (value !== null && typeof value === 'object' && !Array.isArray(value)) {
       if (pruneLegacyWrapperAliases(value as Record<string, unknown>)) {
         mutated = true;
-        if (Object.keys(value as Record<string, unknown>).length === 0) {
+        if (Object.keys(value).length === 0) {
           delete record[key];
         }
       }
@@ -830,7 +830,7 @@ function collectJsPluginPackageNames(projectPath: string): Set<string> {
   }
   let config: OxlintConfig;
   try {
-    config = readJsonFile(oxlintConfigPath, true) as OxlintConfig;
+    config = readJsonFile(oxlintConfigPath, true);
   } catch {
     return out;
   }
@@ -2129,7 +2129,7 @@ function readPackageJsonIfExists(packageJsonPath: string): DependencyBag | undef
     return undefined;
   }
   try {
-    return readJsonFile(packageJsonPath) as DependencyBag;
+    return readJsonFile(packageJsonPath);
   } catch {
     return undefined;
   }
@@ -5680,7 +5680,7 @@ export function detectIncompatibleEslintIntegration(
     }
     let pkg: { devDependencies?: Record<string, string>; dependencies?: Record<string, string> };
     try {
-      pkg = readJsonFile(pkgJsonPath) as typeof pkg;
+      pkg = readJsonFile(pkgJsonPath);
     } catch {
       continue;
     }

packages/cli/src/utils/approve-builds.ts

@@ -406,7 +406,7 @@ export function addYarnBuiltDependenciesMeta(
   for (const name of packages) {
     const current = meta[name];
     meta[name] = {
-      ...(current && typeof current === 'object' ? (current as Record<string, unknown>) : {}),
+      ...(current && typeof current === 'object' ? current : {}),
       built: true,
     };
   }

packages/core/build.ts

@@ -617,14 +617,17 @@ async function wireBundledTsdownExtensions() {
   //   - `importWithError("@tsdown/exe")` dynamically imports a runtime string,
   //     which rolldown cannot follow, so rewrite the call site to the chunk.
   //   - `pkgExists("@tsdown/css")` resolves the top-level package at runtime;
-  //     since it is bundled now, force it on and point the import at the chunk.
+  //     since it is bundled now, force it on so the CSS plugin always loads.
   // `@tsdown/css` still imports `lightningcss` (a native module that cannot be
   // bundled), which resolves to core's own `lightningcss` dependency.
   let exeWired = false;
   let cssWired = false;
-  // The `import("@tsdown/css")` call site may already be deduped to the bundled
-  // entry by rolldown; track whether the bundled load ends up referenced either
-  // way so a silent miss (no rewrite and no dedup) fails the build.
+  // The `import("@tsdown/css")` call site is bundled by rolldown into a local
+  // chunk and rewritten either to a stable `./tsdown-css.js` entry or to a
+  // content-hashed `./dist-*.js` chunk (newer tsdown/rolldown dedupes the
+  // dynamic import straight onto the bundled `CssPlugin`). Track whether the
+  // bundled load ends up referenced via any of these forms so a silent miss
+  // (the bare `@tsdown/css` specifier left in place) fails the build.
   let cssLoadWired = false;
   for (const chunkFile of chunkFiles) {
     let content = await readFile(chunkFile, 'utf-8');
@@ -643,7 +646,15 @@ async function wireBundledTsdownExtensions() {
       content = content.replaceAll('import("@tsdown/css")', 'import("./tsdown-css.js")');
       changed = true;
     }
-    if (content.includes('import("./tsdown-css.js")')) {
+    // The css load counts as "wired" once it resolves to any local chunk:
+    //   - our rewrite target (`./tsdown-css.js`), or
+    //   - a chunk that newer tsdown/rolldown deduped `@tsdown/css` straight into
+    //     (`{ CssPlugin } = await import("./dist-*.js")`), where the bare
+    //     specifier never appears and no rewrite is needed.
+    if (
+      content.includes('import("./tsdown-css.js")') ||
+      /\{\s*CssPlugin\s*\}\s*=\s*await import\("\.\//.test(content)
+    ) {
       cssLoadWired = true;
     }
     if (changed) {

packages/core/package.json

@@ -212,7 +212,7 @@
     "node": "^20.19.0 || ^22.18.0 || >=24.11.0"
   },
   "bundledVersions": {
-    "vite": "8.1.0",
+    "vite": "8.1.2",
     "rolldown": "1.1.3",
     "tsdown": "0.22.3"
   }

packages/tools/.upstream-versions.json

@@ -7,6 +7,6 @@
   "vite": {
     "repo": "https://github.com/vitejs/vite.git",
     "branch": "main",
-    "hash": "63b14898598fc242ac2d3dd37dafeb39c864befa"
+    "hash": "ba3119397d0110952f29965774c627a3017d7292"
   }
 }

packages/tools/src/sync-remote-deps.ts

@@ -740,7 +740,7 @@ export function mergeWorkspaceYaml(
     return yaml.stringify(merged, stringifyOptions);
   }
 
-  reconcileMap(mainDoc.contents, merged as Record<string, unknown>, yaml);
+  reconcileMap(mainDoc.contents, merged, yaml);
 
   return mainDoc.toString(stringifyOptions);
 }