fix: make viteMetadata property of RenderedChunk optional

packages/vite/src/node/plugins/asset.ts

@@ -78,7 +78,7 @@ export function renderAssetUrlInJS(
     s ||= new MagicString(code)
     const [full, referenceId, postfix = ''] = match
     const file = ctx.getFileName(referenceId)
-    chunk.viteMetadata.importedAssets.add(cleanUrl(file))
+    chunk.viteMetadata!.importedAssets.add(cleanUrl(file))
     const filename = file + postfix
     const replacement = toOutputFilePathInJS(
       filename,

packages/vite/src/node/plugins/css.ts

@@ -506,7 +506,7 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
         // replace asset url references with resolved url.
         chunkCSS = chunkCSS.replace(assetUrlRE, (_, fileHash, postfix = '') => {
           const filename = this.getFileName(fileHash) + postfix
-          chunk.viteMetadata.importedAssets.add(cleanUrl(filename))
+          chunk.viteMetadata!.importedAssets.add(cleanUrl(filename))
           return toOutputFilePathInCss(
             filename,
             'asset',
@@ -570,7 +570,7 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
           generatedAssets
             .get(config)!
             .set(referenceId, { originalName, isEntry })
-          chunk.viteMetadata.importedCss.add(this.getFileName(referenceId))
+          chunk.viteMetadata!.importedCss.add(this.getFileName(referenceId))
         } else if (!config.build.ssr) {
           // legacy build and inline css
 
@@ -675,11 +675,10 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
             // chunks instead.
             chunk.imports = chunk.imports.filter((file) => {
               if (pureCssChunkNames.includes(file)) {
-                const {
-                  viteMetadata: { importedCss },
-                } = bundle[file] as OutputChunk
+                const { importedCss } = (bundle[file] as OutputChunk)
+                  .viteMetadata!
                 importedCss.forEach((file) =>
-                  chunk.viteMetadata.importedCss.add(file),
+                  chunk.viteMetadata!.importedCss.add(file),
                 )
                 return false
               }

packages/vite/src/node/plugins/html.ts

@@ -658,7 +658,7 @@ export function buildHtmlPlugin(config: ResolvedConfig): Plugin {
           })
         }
 
-        chunk.viteMetadata.importedCss.forEach((file) => {
+        chunk.viteMetadata!.importedCss.forEach((file) => {
           if (!seen.has(file)) {
             seen.add(file)
             tags.push({

packages/vite/src/node/plugins/importAnalysisBuild.ts

@@ -475,16 +475,16 @@ export function buildImportAnalysisPlugin(config: ResolvedConfig): Plugin {
                     chunk.imports.forEach(addDeps)
                     // Ensure that the css imported by current chunk is loaded after the dependencies.
                     // So the style of current chunk won't be overwritten unexpectedly.
-                    chunk.viteMetadata.importedCss.forEach((file) => {
+                    chunk.viteMetadata!.importedCss.forEach((file) => {
                       deps.add(file)
                     })
                   } else {
                     const removedPureCssFiles =
                       removedPureCssFilesCache.get(config)!
                     const chunk = removedPureCssFiles.get(filename)
                     if (chunk) {
-                      if (chunk.viteMetadata.importedCss.size) {
-                        chunk.viteMetadata.importedCss.forEach((file) => {
+                      if (chunk.viteMetadata!.importedCss.size) {
+                        chunk.viteMetadata!.importedCss.forEach((file) => {
                           deps.add(file)
                         })
                         hasRemovedPureCssChunk = true

packages/vite/src/node/plugins/manifest.ts

@@ -92,10 +92,10 @@ export function manifestPlugin(config: ResolvedConfig): Plugin {
           }
         }
 
-        if (chunk.viteMetadata.importedCss.size) {
+        if (chunk.viteMetadata?.importedCss.size) {
           manifestChunk.css = [...chunk.viteMetadata.importedCss]
         }
-        if (chunk.viteMetadata.importedAssets.size) {
+        if (chunk.viteMetadata?.importedAssets.size) {
           manifestChunk.assets = [...chunk.viteMetadata.importedAssets]
         }
 

packages/vite/src/node/ssr/ssrManifestPlugin.ts

@@ -27,11 +27,11 @@ export function ssrManifestPlugin(config: ResolvedConfig): Plugin {
               mappedChunks.push(joinUrlSegments(base, chunk.fileName))
               // <link> tags for entry chunks are already generated in static HTML,
               // so we only need to record info for non-entry chunks.
-              chunk.viteMetadata.importedCss.forEach((file) => {
+              chunk.viteMetadata!.importedCss.forEach((file) => {
                 mappedChunks.push(joinUrlSegments(base, file))
               })
             }
-            chunk.viteMetadata.importedAssets.forEach((file) => {
+            chunk.viteMetadata!.importedAssets.forEach((file) => {
               mappedChunks.push(joinUrlSegments(base, file))
             })
           }
@@ -59,7 +59,7 @@ export function ssrManifestPlugin(config: ResolvedConfig): Plugin {
                   analyzed.add(filename)
                   const chunk = bundle[filename] as OutputChunk | undefined
                   if (chunk) {
-                    chunk.viteMetadata.importedCss.forEach((file) => {
+                    chunk.viteMetadata!.importedCss.forEach((file) => {
                       deps.push(joinUrlSegments(base, file)) // TODO:base
                     })
                     chunk.imports.forEach(addDeps)

packages/vite/types/metadata.d.ts

@@ -5,6 +5,6 @@ export interface ChunkMetadata {
 
 declare module 'rollup' {
   export interface RenderedChunk {
-    viteMetadata: ChunkMetadata
+    viteMetadata?: ChunkMetadata
   }
 }