Remove redundant RSC fetch monkey patches (#603)

Author: decofe

src/lib/rsc-route-normalization.test.ts

@@ -1,36 +1,5 @@
 import type { PropsWithChildren } from 'react'
 
-export const normalizeProxiedRscFetch = `
-(() => {
-  if (window.__tempoNormalizeProxiedRscFetch) return;
-  window.__tempoNormalizeProxiedRscFetch = true;
-  const originalFetch = window.fetch.bind(window);
-  window.fetch = (input, init) => {
-    const url = typeof input === 'string'
-      ? input
-      : input instanceof URL
-        ? input.toString()
-        : input.url;
-    const requestUrl = new URL(url, window.location.href);
-    let rewritten = url;
-    if (requestUrl.pathname.startsWith('/RSC/R/')) {
-      const pathname = requestUrl.pathname
-        .replace(/\\/RSC\\/R\\/developers\\.txt$/, '/RSC/R/_root.txt')
-        .replace(/\\/RSC\\/R\\/developers\\//, '/RSC/R/');
-      rewritten = new URL(
-        pathname + requestUrl.search + requestUrl.hash,
-        window.location.origin,
-      ).toString();
-    }
-
-    if (rewritten === url) return originalFetch(input, init);
-    if (typeof input === 'string' || input instanceof URL) return originalFetch(rewritten, init);
-
-    return originalFetch(new Request(rewritten, input), init);
-  };
-})();
-`
-
 export default function Layout(
   props: PropsWithChildren<{
     path: string
@@ -46,8 +15,6 @@ export default function Layout(
         type="font/woff2"
         crossOrigin="anonymous"
       />
-      {/* biome-ignore lint/security/noDangerouslySetInnerHtml: static bootstrap must run before the RSC client bundle. */}
-      <script dangerouslySetInnerHTML={{ __html: normalizeProxiedRscFetch }} />
       {props.children}
     </>
   )

src/lib/rsc-route-normalization.ts

@@ -5,7 +5,6 @@ import DocsHeader from '../../components/DocsHeader'
 import DocsSectionNav from '../../components/DocsSectionNav'
 import DocsSidebarDrawer from '../../components/DocsSidebarDrawer'
 import { usePageSettled } from '../../lib/pageSettled'
-import { normalizeRscFetchUrl } from '../../lib/rsc-route-normalization'
 
 const Analytics = lazy(() =>
   import('@vercel/analytics/react').then((module) => ({ default: module.Analytics })),
@@ -18,18 +17,6 @@ const GoogleAnalytics = lazy(() => import('../../components/GoogleAnalytics'))
 const PostHogSetup = lazy(() => import('../../components/PostHogSetup'))
 
 if (typeof window !== 'undefined') {
-  const originalFetch = window.fetch.bind(window)
-  window.fetch = (input, init) => {
-    const url =
-      typeof input === 'string' ? input : input instanceof URL ? input.toString() : input.url
-    const rewritten = normalizeRscFetchUrl(url, window.location.href, window.location.origin)
-
-    if (rewritten === url) return originalFetch(input, init)
-    if (typeof input === 'string' || input instanceof URL) return originalFetch(rewritten, init)
-
-    return originalFetch(new Request(rewritten, input), init)
-  }
-
   window.addEventListener('vite:preloadError', (event) => {
     const key = `vite:preloadError:${(event as unknown as CustomEvent).detail?.message}`
     if (!sessionStorage.getItem(key)) {