vite 8 compat manifest plugin

Author: birkskyum

packages/start/src/config/manifest.ts

@@ -40,9 +40,48 @@ export function manifest(start: SolidStartOptions): PluginOption {
             v => "isEntry" in v && v.isEntry,
           );
           if (!entry) throw new Error("No client entry found");
-          clientViteManifest = JSON.parse(
-            (globalThis.START_CLIENT_BUNDLE[".vite/manifest.json"] as any).source,
-          );
+          let viteStrVersion = (devServer?.config?.logger as any)?.config?.version;
+          if (!viteStrVersion) {
+            try {
+              viteStrVersion = await import("vite").then(m => m.version);
+            } catch (e) {
+              // ignore
+            }
+          }
+
+          let rawManifest: string | undefined;
+
+          const viteMajor = parseInt(viteStrVersion!.split('.')[0], 10);
+
+          const manifestKey = Object.keys(globalThis.START_CLIENT_BUNDLE).find(k => k.endsWith("manifest.json"));
+          if (manifestKey && viteMajor < 8) {
+            const manifestAsset = globalThis.START_CLIENT_BUNDLE[manifestKey] as any;
+            if (manifestAsset.type === "asset") {
+               rawManifest = manifestAsset.source as string;
+            } else if (manifestAsset.type === "chunk") {
+               rawManifest = manifestAsset.code as string;
+            } else if (typeof manifestAsset === "string") {
+               rawManifest = manifestAsset;
+            } else {
+               rawManifest = manifestAsset.source || manifestAsset.code || JSON.stringify(manifestAsset);
+            }
+          } else {
+             const fs = await import("node:fs");
+             const path = await import("node:path");
+             try {
+               const appRoot = (start as any).appRoot || "./src";
+               const manifestPath = path.resolve(appRoot, "..", ".solid-start/client/.vite/manifest.json");
+               rawManifest = fs.readFileSync(manifestPath, "utf-8");
+             } catch (e) {
+               throw new Error(`Manifest asset not found in bundle and could not be read from disk. Keys: ${Object.keys(globalThis.START_CLIENT_BUNDLE).join(", ")}. Error: ${e}`);
+             }
+          }
+
+          if (!rawManifest) {
+            throw new Error("Failed to extract or read raw manifest.");
+          }
+
+          clientViteManifest = JSON.parse(rawManifest);
         }
         return `export const clientViteManifest = ${JSON.stringify(clientViteManifest)};`;
       } else if (id === `\0${VIRTUAL_MODULES.middleware}`) return "export default {};";