fix: upload prerendered shells

Author: pieh

src/build/content/prerendered.ts

@@ -238,17 +238,30 @@ export const copyPrerenderedContent = async (ctx: PluginContext): Promise<void>
               }
             }),
         ),
-        ...ctx.getFallbacks(manifest).map(async (route) => {
-          const key = routeToFilePath(route)
-          const value = await buildPagesCacheValue(
-            join(ctx.publishDir, 'server/pages', key),
-            undefined,
-            shouldUseEnumKind,
-            true, // there is no corresponding json file for fallback, so we are skipping it for this entry
-          )
-
-          await writeCacheEntry(key, value, Date.now(), ctx)
-        }),
+        ...ctx.getFallbacks(manifest).map((route) =>
+          limitConcurrentPrerenderContentHandling(async () => {
+            const key = routeToFilePath(route)
+            const value = await buildPagesCacheValue(
+              join(ctx.publishDir, 'server/pages', key),
+              undefined,
+              shouldUseEnumKind,
+              true, // there is no corresponding json file for fallback, so we are skipping it for this entry
+            )
+
+            await writeCacheEntry(key, value, Date.now(), ctx)
+          }),
+        ),
+        ...ctx.getShells(manifest).map((route) =>
+          limitConcurrentPrerenderContentHandling(async () => {
+            const key = routeToFilePath(route)
+            const value = await buildAppCacheValue(
+              join(ctx.publishDir, 'server/app', key),
+              shouldUseAppPageKind,
+            )
+
+            await writeCacheEntry(key, value, Date.now(), ctx)
+          }),
+        ),
       ])
 
       // app router 404 pages are not in the prerender manifest

src/build/plugin-context.ts

@@ -392,6 +392,23 @@ export class PluginContext {
     return this.#fallbacks
   }
 
+  #shells: string[] | null = null
+  getShells(prerenderManifest: PrerenderManifest): string[] {
+    if (!this.#shells) {
+      this.#shells = Object.entries(prerenderManifest.dynamicRoutes).reduce(
+        (shells, [route, meta]) => {
+          if (meta.renderingMode === 'PARTIALLY_STATIC') {
+            shells.push(route)
+          }
+          return shells
+        },
+        [] as string[],
+      )
+    }
+
+    return this.#shells
+  }
+
   #fullyStaticHtmlPages: string[] | null = null
   /**
    * Get an array of fully static pages router pages (no `getServerSideProps` or `getStaticProps`).