fix: utf-8 prerender issue

Author: saengmotmi

packages/react-router-dev/vite/plugin.ts

@@ -1856,7 +1856,12 @@ async function handlePrerender(
       reactRouterConfig,
       viteConfig,
       data
-        ? { headers: { ...headers, "X-React-Router-Prerender-Data": data } }
+        ? {
+            headers: {
+              ...headers,
+              "X-React-Router-Prerender-Data": encodeURI(data),
+            },
+          }
         : { headers }
     );
   }

packages/react-router/lib/server-runtime/routes.ts

@@ -105,9 +105,12 @@ export function createStaticHandlerDataRoutes(
             // If we're prerendering, use the data passed in from prerendering
             // the .data route so we dom't call loaders twice
             if (args.request.headers.has("X-React-Router-Prerender-Data")) {
-              let encoded = args.request.headers.get(
+              const preRenderedData = args.request.headers.get(
                 "X-React-Router-Prerender-Data"
               );
+              let encoded = preRenderedData
+                ? decodeURI(preRenderedData)
+                : preRenderedData;
               invariant(encoded, "Missing prerendered data for route");
               let uint8array = new TextEncoder().encode(encoded);
               let stream = new ReadableStream({