@remix-run/server-runtime - npm Package Compare versions

Comparing version 0.0.0-nightly-df59cc6-20240229 to 0.0.0-nightly-dfc3401f7-20240815

dist/build.d.ts

@@ -38,2 +38,3 @@ import type { ActionFunctionArgs, LoaderFunctionArgs } from "./routeModules";
     handleError?: HandleErrorFunction;
+    streamTimeout?: number;
 }

dist/cookies.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/data.d.ts

@@ -15,3 +15,3 @@ import type { ActionFunction, ActionFunctionArgs, LoaderFunction, LoaderFunctionArgs } from "./routeModules";
 export type AppData = unknown;
-export declare function callRouteActionRR({ loadContext, action, params, request, routeId, }: {
+export declare function callRouteAction({ loadContext, action, params, request, routeId, singleFetch, }: {
     request: Request;
@@ -22,4 +22,5 @@ action: ActionFunction;
     routeId: string;
-}): Promise<Response>;
-export declare function callRouteLoaderRR({ loadContext, loader, params, request, routeId, }: {
+    singleFetch: boolean;
+}): Promise<{} | Response | null>;
+export declare function callRouteLoader({ loadContext, loader, params, request, routeId, singleFetch, }: {
     request: Request;
@@ -30,2 +31,3 @@ loader: LoaderFunction;
     routeId: string;
-}): Promise<import("@remix-run/router").UNSAFE_DeferredData | Response>;
+    singleFetch: boolean;
+}): Promise<{} | Response | null>;

dist/data.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -28,3 +28,3 @@ * Copyright (c) Remix Software Inc.
 
-async function callRouteActionRR({
+async function callRouteAction({
   loadContext,
@@ -34,3 +34,4 @@ action,
   request,
-  routeId
+  routeId,
+  singleFetch
 }) {
@@ -45,5 +46,10 @@ let result = await action({
   }
+
+  // Allow naked object returns when single fetch is enabled
+  if (singleFetch) {
+    return result;
+  }
   return responses.isResponse(result) ? result : responses.json(result);
 }
-async function callRouteLoaderRR({
+async function callRouteLoader({
   loadContext,
@@ -53,3 +59,4 @@ loader,
   request,
-  routeId
+  routeId,
+  singleFetch
 }) {
@@ -70,2 +77,7 @@ let result = await loader({
   }
+
+  // Allow naked object returns when single fetch is enabled
+  if (singleFetch) {
+    return result;
+  }
   return responses.isResponse(result) ? result : responses.json(result);
@@ -118,3 +130,3 @@ }
 
-exports.callRouteActionRR = callRouteActionRR;
-exports.callRouteLoaderRR = callRouteLoaderRR;
+exports.callRouteAction = callRouteAction;
+exports.callRouteLoader = callRouteLoader;

dist/dev.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/entry.d.ts

@@ -10,2 +10,13 @@ import type { StaticHandlerContext } from "@remix-run/router";
     serverHandoffString?: string;
+    serverHandoffStream?: ReadableStream<Uint8Array>;
+    renderMeta?: {
+        didRenderScripts?: boolean;
+        streamCache?: Record<number, Promise<void> & {
+            result?: {
+                done: boolean;
+                value: string;
+            };
+            error?: unknown;
+        }>;
+    };
     staticHandlerContext: StaticHandlerContext;
@@ -20,2 +31,4 @@ future: FutureConfig;
     v3_throwAbortReason: boolean;
+    unstable_lazyRouteDiscovery: boolean;
+    unstable_singleFetch: boolean;
 }
@@ -22,0 +35,0 @@ export interface AssetsManifest {

dist/entry.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/errors.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/cookies.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/data.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -24,3 +24,3 @@ * Copyright (c) Remix Software Inc.
 
-async function callRouteActionRR({
+async function callRouteAction({
   loadContext,
@@ -30,3 +30,4 @@ action,
   request,
-  routeId
+  routeId,
+  singleFetch
 }) {
@@ -41,5 +42,10 @@ let result = await action({
   }
+
+  // Allow naked object returns when single fetch is enabled
+  if (singleFetch) {
+    return result;
+  }
   return isResponse(result) ? result : json(result);
 }
-async function callRouteLoaderRR({
+async function callRouteLoader({
   loadContext,
@@ -49,3 +55,4 @@ loader,
   request,
-  routeId
+  routeId,
+  singleFetch
 }) {
@@ -66,2 +73,7 @@ let result = await loader({
   }
+
+  // Allow naked object returns when single fetch is enabled
+  if (singleFetch) {
+    return result;
+  }
   return isResponse(result) ? result : json(result);
@@ -114,2 +126,2 @@ }
 
-export { callRouteActionRR, callRouteLoaderRR };
+export { callRouteAction, callRouteLoader };

dist/esm/dev.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/entry.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/errors.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/formData.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/headers.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -13,3 +13,3 @@ * Copyright (c) Remix Software Inc.
 
-function getDocumentHeadersRR(build, context) {
+function getDocumentHeaders(build, context) {
   let boundaryIdx = context.errors ? context.matches.findIndex(m => context.errors[m.route.id]) : -1;
@@ -91,2 +91,2 @@ let matches = boundaryIdx >= 0 ? context.matches.slice(0, boundaryIdx + 1) : context.matches;
 
-export { getDocumentHeadersRR };
+export { getDocumentHeaders };

dist/esm/index.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -13,3 +13,4 @@ * Copyright (c) Remix Software Inc.
 export { composeUploadHandlers as unstable_composeUploadHandlers, parseMultipartFormData as unstable_parseMultipartFormData } from './formData.js';
-export { defer, json, redirect, redirectDocument } from './responses.js';
+export { defer, json, redirect, redirectDocument, replace } from './responses.js';
+export { SingleFetchRedirectSymbol as UNSAFE_SingleFetchRedirectSymbol, data as unstable_data, defineAction as unstable_defineAction, defineLoader as unstable_defineLoader } from './single-fetch.js';
 export { createRequestHandler } from './server.js';
@@ -16,0 +17,0 @@ export { createSession, createSessionStorageFactory, isSession } from './sessions.js';

dist/esm/invariant.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/markup.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/mode.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/responses.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -11,3 +11,3 @@ * Copyright (c) Remix Software Inc.
  */
-import { json as json$1, defer as defer$1, redirect as redirect$1, redirectDocument as redirectDocument$1 } from '@remix-run/router';
+import { json as json$1, defer as defer$1, redirect as redirect$1, replace as replace$1, redirectDocument as redirectDocument$1 } from '@remix-run/router';
 import { serializeError } from './errors.js';
@@ -47,2 +47,12 @@
 /**
+ * A redirect response. Sets the status code and the `Location` header.
+ * Defaults to "302 Found".
+ *
+ * @see https://remix.run/utils/redirect
+ */
+const replace = (url, init = 302) => {
+  return replace$1(url, init);
+};
+
+/**
  * A redirect response that will force a document reload to the new location.
@@ -125,2 +135,2 @@ * Sets the status code and the `Location` header.
 
-export { createDeferredReadableStream, defer, isDeferredData, isRedirectResponse, isRedirectStatusCode, isResponse, json, redirect, redirectDocument };
+export { createDeferredReadableStream, defer, isDeferredData, isRedirectResponse, isRedirectStatusCode, isResponse, json, redirect, redirectDocument, replace };

dist/esm/routeMatching.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/routes.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -11,3 +11,3 @@ * Copyright (c) Remix Software Inc.
  */
-import { callRouteLoaderRR, callRouteActionRR } from './data.js';
+import { callRouteLoader, callRouteAction } from './data.js';
 
@@ -51,3 +51,3 @@ // NOTE: make sure to change the Route in remix-react if you change this
       // though we know it'll always be provided in remix
-      args => callRouteLoaderRR({
+      (args, dataStrategyCtx) => callRouteLoader({
         request: args.request,
@@ -57,5 +57,6 @@ params: args.params,
         loader: route.module.loader,
-        routeId: route.id
+        routeId: route.id,
+        singleFetch: future.unstable_singleFetch === true
       }) : undefined,
-      action: route.module.action ? args => callRouteActionRR({
+      action: route.module.action ? (args, dataStrategyCtx) => callRouteAction({
         request: args.request,
@@ -65,3 +66,4 @@ params: args.params,
         action: route.module.action,
-        routeId: route.id
+        routeId: route.id,
+        singleFetch: future.unstable_singleFetch === true
       }) : undefined,
@@ -68,0 +70,0 @@ handle: route.module.handle

dist/esm/server.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -11,6 +11,6 @@ * Copyright (c) Remix Software Inc.
  */
-import { stripBasename, UNSAFE_DEFERRED_SYMBOL, isRouteErrorResponse, json, UNSAFE_ErrorResponseImpl, getStaticContextFromError, createStaticHandler } from '@remix-run/router';
+import { UNSAFE_DEFERRED_SYMBOL, isRouteErrorResponse, json as json$1, UNSAFE_ErrorResponseImpl, getStaticContextFromError, stripBasename, createStaticHandler } from '@remix-run/router';
 import { createEntryRouteModules } from './entry.js';
 import { serializeError, sanitizeErrors, serializeErrors } from './errors.js';
-import { getDocumentHeadersRR } from './headers.js';
+import { getDocumentHeaders } from './headers.js';
 import invariant from './invariant.js';
@@ -20,5 +20,7 @@ import { ServerMode, isServerMode } from './mode.js';
 import { createRoutes, createStaticHandlerDataRoutes } from './routes.js';
-import { isRedirectResponse, createDeferredReadableStream, isResponse } from './responses.js';
+import { isRedirectResponse, json, createDeferredReadableStream, isResponse } from './responses.js';
 import { createServerHandoffString } from './serverHandoff.js';
 import { getDevServerHooks } from './dev.js';
+import { getSingleFetchRedirect, encodeViaTurboStream, SINGLE_FETCH_REDIRECT_STATUS, singleFetchAction, singleFetchLoaders, SingleFetchRedirectSymbol } from './single-fetch.js';
+import { resourceRouteJsonWarning } from './deprecations.js';
 
@@ -77,3 +79,3 @@ function derive(build, mode) {
     let url = new URL(request.url);
-    let matches = matchServerRoutes(routes, url.pathname, _build.basename);
+    let params = {};
     let handleError = error => {
@@ -86,24 +88,74 @@ if (mode === ServerMode.Development) {
         context: loadContext,
-        params: matches && matches.length > 0 ? matches[0].params : {},
+        params,
         request
       });
     };
+
+    // Manifest request for fog of war
+
+    let manifestUrl = `${_build.basename ?? "/"}/__manifest`.replace(/\/+/g, "/");
+    if (url.pathname === manifestUrl) {
+      try {
+        let res = await handleManifestRequest(_build, routes, url);
+        return res;
+      } catch (e) {
+        handleError(e);
+        return new Response("Unknown Server Error", {
+          status: 500
+        });
+      }
+    }
+    let matches = matchServerRoutes(routes, url.pathname, _build.basename);
+    if (matches && matches.length > 0) {
+      Object.assign(params, matches[0].params);
+    }
     let response;
     if (url.searchParams.has("_data")) {
+      if (_build.future.unstable_singleFetch) {
+        handleError(new Error("Warning: Single fetch-enabled apps should not be making ?_data requests, " + "this is likely to break in the future"));
+      }
       let routeId = url.searchParams.get("_data");
-      response = await handleDataRequestRR(serverMode, _build, staticHandler, routeId, request, loadContext, handleError);
+      response = await handleDataRequest(serverMode, _build, staticHandler, routeId, request, loadContext, handleError);
       if (_build.entry.module.handleDataRequest) {
-        var _matches$find;
         response = await _build.entry.module.handleDataRequest(response, {
           context: loadContext,
-          params: (matches === null || matches === void 0 ? void 0 : (_matches$find = matches.find(m => m.route.id == routeId)) === null || _matches$find === void 0 ? void 0 : _matches$find.params) || {},
+          params,
           request
         });
+        if (isRedirectResponse(response)) {
+          response = createRemixRedirectResponse(response, _build.basename);
+        }
       }
+    } else if (_build.future.unstable_singleFetch && url.pathname.endsWith(".data")) {
+      let handlerUrl = new URL(request.url);
+      handlerUrl.pathname = handlerUrl.pathname.replace(/\.data$/, "").replace(/^\/_root$/, "/");
+      let singleFetchMatches = matchServerRoutes(routes, handlerUrl.pathname, _build.basename);
+      response = await handleSingleFetchRequest(serverMode, _build, staticHandler, request, handlerUrl, loadContext, handleError);
+      if (_build.entry.module.handleDataRequest) {
+        response = await _build.entry.module.handleDataRequest(response, {
+          context: loadContext,
+          params: singleFetchMatches ? singleFetchMatches[0].params : {},
+          request
+        });
+        if (isRedirectResponse(response)) {
+          let result = getSingleFetchRedirect(response.status, response.headers, _build.basename);
+          if (request.method === "GET") {
+            result = {
+              [SingleFetchRedirectSymbol]: result
+            };
+          }
+          let headers = new Headers(response.headers);
+          headers.set("Content-Type", "text/x-turbo");
+          return new Response(encodeViaTurboStream(result, request.signal, _build.entry.module.streamTimeout, serverMode), {
+            status: SINGLE_FETCH_REDIRECT_STATUS,
+            headers
+          });
+        }
+      }
     } else if (matches && matches[matches.length - 1].route.module.default == null && matches[matches.length - 1].route.module.ErrorBoundary == null) {
-      response = await handleResourceRequestRR(serverMode, staticHandler, matches.slice(-1)[0].route.id, request, loadContext, handleError);
+      response = await handleResourceRequest(serverMode, _build, staticHandler, matches.slice(-1)[0].route.id, request, loadContext, handleError);
     } else {
       var _getDevServerHooks2, _getDevServerHooks2$g;
       let criticalCss = mode === ServerMode.Development ? await ((_getDevServerHooks2 = getDevServerHooks()) === null || _getDevServerHooks2 === void 0 ? void 0 : (_getDevServerHooks2$g = _getDevServerHooks2.getCriticalCss) === null || _getDevServerHooks2$g === void 0 ? void 0 : _getDevServerHooks2$g.call(_getDevServerHooks2, _build, url.pathname)) : undefined;
-      response = await handleDocumentRequestRR(serverMode, _build, staticHandler, request, loadContext, handleError, criticalCss);
+      response = await handleDocumentRequest(serverMode, _build, staticHandler, request, loadContext, handleError, criticalCss);
     }
@@ -120,3 +172,25 @@ if (request.method === "HEAD") {
 };
-async function handleDataRequestRR(serverMode, build, staticHandler, routeId, request, loadContext, handleError) {
+async function handleManifestRequest(build, routes, url) {
+  let patches = {};
+  if (url.searchParams.has("p")) {
+    for (let path of url.searchParams.getAll("p")) {
+      let matches = matchServerRoutes(routes, path, build.basename);
+      if (matches) {
+        for (let match of matches) {
+          let routeId = match.route.id;
+          patches[routeId] = build.assets.routes[routeId];
+        }
+      }
+    }
+    return json(patches, {
+      headers: {
+        "Cache-Control": "public, max-age=31536000, immutable"
+      }
+    }); // Override the TypedResponse stuff from json()
+  }
+  return new Response("Invalid Request", {
+    status: 400
+  });
+}
+async function handleDataRequest(serverMode, build, staticHandler, routeId, request, loadContext, handleError) {
   try {
@@ -128,17 +202,3 @@ let response = await staticHandler.queryRoute(request, {
     if (isRedirectResponse(response)) {
-      // We don't have any way to prevent a fetch request from following
-      // redirects. So we use the `X-Remix-Redirect` header to indicate the
-      // next URL, and then "follow" the redirect manually on the client.
-      let headers = new Headers(response.headers);
-      let redirectUrl = headers.get("Location");
-      headers.set("X-Remix-Redirect", build.basename ? stripBasename(redirectUrl, build.basename) || redirectUrl : redirectUrl);
-      headers.set("X-Remix-Status", response.status);
-      headers.delete("Location");
-      if (response.headers.get("Set-Cookie") !== null) {
-        headers.set("X-Remix-Revalidate", "yes");
-      }
-      return new Response(null, {
-        status: 204,
-        headers
-      });
+      return createRemixRedirectResponse(response, build.basename);
     }
@@ -160,13 +220,11 @@ if (UNSAFE_DEFERRED_SYMBOL in response) {
     // network errors that are missing this header
-    response.headers.set("X-Remix-Response", "yes");
+    response = safelySetHeader(response, "X-Remix-Response", "yes");
     return response;
   } catch (error) {
     if (isResponse(error)) {
-      error.headers.set("X-Remix-Catch", "yes");
-      return error;
+      let response = safelySetHeader(error, "X-Remix-Catch", "yes");
+      return response;
     }
     if (isRouteErrorResponse(error)) {
-      if (error) {
-        handleError(error);
-      }
+      handleError(error);
       return errorResponseToJson(error, serverMode);
@@ -176,3 +234,3 @@ }
     handleError(errorInstance);
-    return json(serializeError(errorInstance, serverMode), {
+    return json$1(serializeError(errorInstance, serverMode), {
       status: 500,
@@ -185,3 +243,23 @@ headers: {
 }
-async function handleDocumentRequestRR(serverMode, build, staticHandler, request, loadContext, handleError, criticalCss) {
+async function handleSingleFetchRequest(serverMode, build, staticHandler, request, handlerUrl, loadContext, handleError) {
+  let {
+    result,
+    headers,
+    status
+  } = request.method !== "GET" ? await singleFetchAction(build, serverMode, staticHandler, request, handlerUrl, loadContext, handleError) : await singleFetchLoaders(build, serverMode, staticHandler, request, handlerUrl, loadContext, handleError);
+
+  // Mark all successful responses with a header so we can identify in-flight
+  // network errors that are missing this header
+  let resultHeaders = new Headers(headers);
+  resultHeaders.set("X-Remix-Response", "yes");
+  resultHeaders.set("Content-Type", "text/x-turbo");
+
+  // Note: Deferred data is already just Promises, so we don't have to mess
+  // `activeDeferreds` or anything :)
+  return new Response(encodeViaTurboStream(result, request.signal, build.entry.module.streamTimeout, serverMode), {
+    status: status || 200,
+    headers: resultHeaders
+  });
+}
+async function handleDocumentRequest(serverMode, build, staticHandler, request, loadContext, handleError, criticalCss) {
   let context;
@@ -201,2 +279,3 @@ try {
   }
+  let headers = getDocumentHeaders(build, context);
 
@@ -206,3 +285,3 @@ // Sanitize errors outside of development environments
     Object.values(context.errors).forEach(err => {
-      // @ts-expect-error This is "private" from users but intended for internal use
+      // @ts-expect-error `err.error` is "private" from users but intended for internal use
       if (!isRouteErrorResponse(err) || err.error) {
@@ -214,3 +293,11 @@ handleError(err);
   }
-  let headers = getDocumentHeadersRR(build, context);
+
+  // Server UI state to send to the client.
+  // - When single fetch is enabled, this is streamed down via `serverHandoffStream`
+  // - Otherwise it's stringified into `serverHandoffString`
+  let state = {
+    loaderData: context.loaderData,
+    actionData: context.actionData,
+    errors: serializeErrors(context.errors, serverMode)
+  };
   let entryContext = {
@@ -225,10 +312,12 @@ manifest: build.assets,
       criticalCss,
-      state: {
-        loaderData: context.loaderData,
-        actionData: context.actionData,
-        errors: serializeErrors(context.errors, serverMode)
-      },
       future: build.future,
-      isSpaMode: build.isSpaMode
+      isSpaMode: build.isSpaMode,
+      ...(!build.future.unstable_singleFetch ? {
+        state
+      } : null)
     }),
+    ...(build.future.unstable_singleFetch ? {
+      serverHandoffStream: encodeViaTurboStream(state, request.signal, build.entry.module.streamTimeout, serverMode),
+      renderMeta: {}
+    } : null),
     future: build.future,
@@ -248,16 +337,4 @@ isSpaMode: build.isSpaMode,
     if (isResponse(error)) {
-      let data;
       try {
-        let contentType = error.headers.get("Content-Type");
-        // Check between word boundaries instead of startsWith() due to the last
-        // paragraph of https://httpwg.org/specs/rfc9110.html#field.content-type
-        if (contentType && /\bapplication\/json\b/.test(contentType)) {
-          if (error.body == null) {
-            data = null;
-          } else {
-            data = await error.json();
-          }
-        } else {
-          data = await error.text();
-        }
+        let data = await unwrapResponse(error);
         errorForSecondRender = new UNSAFE_ErrorResponseImpl(error.status, error.statusText, data);
@@ -277,3 +354,11 @@ } catch (e) {
 
-    // Update entryContext for the second render pass
+    // Get a new entryContext for the second render pass
+    // Server UI state to send to the client.
+    // - When single fetch is enabled, this is streamed down via `serverHandoffStream`
+    // - Otherwise it's stringified into `serverHandoffString`
+    let state = {
+      loaderData: context.loaderData,
+      actionData: context.actionData,
+      errors: serializeErrors(context.errors, serverMode)
+    };
     entryContext = {
@@ -285,10 +370,12 @@ ...entryContext,
         basename: build.basename,
-        state: {
-          loaderData: context.loaderData,
-          actionData: context.actionData,
-          errors: serializeErrors(context.errors, serverMode)
-        },
         future: build.future,
-        isSpaMode: build.isSpaMode
-      })
+        isSpaMode: build.isSpaMode,
+        ...(!build.future.unstable_singleFetch ? {
+          state
+        } : null)
+      }),
+      ...(build.future.unstable_singleFetch ? {
+        serverHandoffStream: encodeViaTurboStream(state, request.signal, build.entry.module.streamTimeout, serverMode),
+        renderMeta: {}
+      } : null)
     };
@@ -303,3 +390,3 @@ try {
 }
-async function handleResourceRequestRR(serverMode, staticHandler, routeId, request, loadContext, handleError) {
+async function handleResourceRequest(serverMode, build, staticHandler, routeId, request, loadContext, handleError) {
   try {
@@ -313,4 +400,12 @@ // Note we keep the routeId here to align with the Remix handling of
     });
-    invariant(!(UNSAFE_DEFERRED_SYMBOL in response), `You cannot return a \`defer()\` response from a Resource Route.  Did you ` + `forget to export a default UI component from the "${routeId}" route?`);
-    // callRouteLoader/callRouteAction always return responses
+    if (typeof response === "object" && response !== null) {
+      invariant(!(UNSAFE_DEFERRED_SYMBOL in response), `You cannot return a \`defer()\` response from a Resource Route.  Did you ` + `forget to export a default UI component from the "${routeId}" route?`);
+    }
+    if (build.future.unstable_singleFetch && !isResponse(response)) {
+      console.warn(resourceRouteJsonWarning(request.method === "GET" ? "loader" : "action", routeId));
+      response = json(response);
+    }
+
+    // callRouteLoader/callRouteAction always return responses (w/o single fetch).
+    // With single fetch, users should always be Responses from resource routes
     invariant(isResponse(response), "Expected a Response to be returned from queryRoute");
@@ -322,4 +417,4 @@ return response;
       // match identically to what Remix returns
-      error.headers.set("X-Remix-Catch", "yes");
-      return error;
+      let response = safelySetHeader(error, "X-Remix-Catch", "yes");
+      return response;
     }
@@ -337,3 +432,3 @@ if (isRouteErrorResponse(error)) {
 function errorResponseToJson(errorResponse, serverMode) {
-  return json(serializeError(
+  return json$1(serializeError(
   // @ts-expect-error This is "private" from users but intended for internal use
@@ -362,3 +457,42 @@ errorResponse.error || new Error("Unexpected Server Error"), serverMode), {
 }
+function unwrapResponse(response) {
+  let contentType = response.headers.get("Content-Type");
+  // Check between word boundaries instead of startsWith() due to the last
+  // paragraph of https://httpwg.org/specs/rfc9110.html#field.content-type
+  return contentType && /\bapplication\/json\b/.test(contentType) ? response.body == null ? null : response.json() : response.text();
+}
+function createRemixRedirectResponse(response, basename) {
+  // We don't have any way to prevent a fetch request from following
+  // redirects. So we use the `X-Remix-Redirect` header to indicate the
+  // next URL, and then "follow" the redirect manually on the client.
+  let headers = new Headers(response.headers);
+  let redirectUrl = headers.get("Location");
+  headers.set("X-Remix-Redirect", basename ? stripBasename(redirectUrl, basename) || redirectUrl : redirectUrl);
+  headers.set("X-Remix-Status", String(response.status));
+  headers.delete("Location");
+  if (response.headers.get("Set-Cookie") !== null) {
+    headers.set("X-Remix-Revalidate", "yes");
+  }
+  return new Response(null, {
+    status: 204,
+    headers
+  });
+}
 
+// Anytime we are setting a header on a `Response` created in the loader/action,
+// we have to so it in this manner since in an `undici` world, if the `Response`
+// came directly from a `fetch` call, the headers are immutable will throw if
+// we try to set a new header.  This is a sort of shallow clone of the `Response`
+// so we can safely set our own header.
+function safelySetHeader(response, name, value) {
+  let headers = new Headers(response.headers);
+  headers.set(name, value);
+  return new Response(response.body, {
+    status: response.status,
+    statusText: response.statusText,
+    headers,
+    duplex: response.body ? "half" : undefined
+  });
+}
+
 export { createRequestHandler };

dist/esm/serverHandoff.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/sessions.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/sessions/cookieStorage.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/sessions/memoryStorage.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/upload/errors.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/upload/memoryUploadHandler.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/esm/warnings.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/formData.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/headers.d.ts

 import type { StaticHandlerContext } from "@remix-run/router";
 import type { ServerBuild } from "./build";
-export declare function getDocumentHeadersRR(build: ServerBuild, context: StaticHandlerContext): Headers;
+export declare function getDocumentHeaders(build: ServerBuild, context: StaticHandlerContext): Headers;

dist/headers.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -17,3 +17,3 @@ * Copyright (c) Remix Software Inc.
 
-function getDocumentHeadersRR(build, context) {
+function getDocumentHeaders(build, context) {
   let boundaryIdx = context.errors ? context.matches.findIndex(m => context.errors[m.route.id]) : -1;
@@ -95,2 +95,2 @@ let matches = boundaryIdx >= 0 ? context.matches.slice(0, boundaryIdx + 1) : context.matches;
 
-exports.getDocumentHeadersRR = getDocumentHeadersRR;
+exports.getDocumentHeaders = getDocumentHeaders;

dist/index.d.ts

 export { createCookieFactory, isCookie } from "./cookies";
 export { composeUploadHandlers as unstable_composeUploadHandlers, parseMultipartFormData as unstable_parseMultipartFormData, } from "./formData";
-export { defer, json, redirect, redirectDocument } from "./responses";
+export { defer, json, redirect, redirectDocument, replace } from "./responses";
+export { SingleFetchRedirectSymbol as UNSAFE_SingleFetchRedirectSymbol, data as unstable_data, defineLoader as unstable_defineLoader, defineAction as unstable_defineAction, } from "./single-fetch";
+export type { Loader as unstable_Loader, Action as unstable_Action, Serialize as unstable_Serialize, SingleFetchResult as UNSAFE_SingleFetchResult, SingleFetchResults as UNSAFE_SingleFetchResults, } from "./single-fetch";
 export { createRequestHandler } from "./server";
@@ -5,0 +7,0 @@ export { createSession, createSessionStorageFactory, isSession, } from "./sessions";

dist/index.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -18,2 +18,3 @@ * Copyright (c) Remix Software Inc.
 var responses = require('./responses.js');
+var singleFetch = require('./single-fetch.js');
 var server = require('./server.js');
@@ -37,2 +38,7 @@ var sessions = require('./sessions.js');
 exports.redirectDocument = responses.redirectDocument;
+exports.replace = responses.replace;
+exports.UNSAFE_SingleFetchRedirectSymbol = singleFetch.SingleFetchRedirectSymbol;
+exports.unstable_data = singleFetch.data;
+exports.unstable_defineAction = singleFetch.defineAction;
+exports.unstable_defineLoader = singleFetch.defineLoader;
 exports.createRequestHandler = server.createRequestHandler;
@@ -39,0 +45,0 @@ exports.createSession = sessions.createSession;

dist/invariant.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/markup.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/mode.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/responses.d.ts

@@ -35,2 +35,9 @@ import { type UNSAFE_DeferredData as DeferredData } from "@remix-run/router";
 /**
+ * A redirect response. Sets the status code and the `Location` header.
+ * Defaults to "302 Found".
+ *
+ * @see https://remix.run/utils/redirect
+ */
+export declare const replace: RedirectFunction;
+/**
  * A redirect response that will force a document reload to the new location.
@@ -37,0 +44,0 @@ * Sets the status code and the `Location` header.

dist/responses.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -50,2 +50,12 @@ * Copyright (c) Remix Software Inc.
 /**
+ * A redirect response. Sets the status code and the `Location` header.
+ * Defaults to "302 Found".
+ *
+ * @see https://remix.run/utils/redirect
+ */
+const replace = (url, init = 302) => {
+  return router.replace(url, init);
+};
+
+/**
  * A redirect response that will force a document reload to the new location.
@@ -137,1 +147,2 @@ * Sets the status code and the `Location` header.
 exports.redirectDocument = redirectDocument;
+exports.replace = replace;

dist/routeMatching.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/routes.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -54,3 +54,3 @@ * Copyright (c) Remix Software Inc.
       // though we know it'll always be provided in remix
-      args => data.callRouteLoaderRR({
+      (args, dataStrategyCtx) => data.callRouteLoader({
         request: args.request,
@@ -60,5 +60,6 @@ params: args.params,
         loader: route.module.loader,
-        routeId: route.id
+        routeId: route.id,
+        singleFetch: future.unstable_singleFetch === true
       }) : undefined,
-      action: route.module.action ? args => data.callRouteActionRR({
+      action: route.module.action ? (args, dataStrategyCtx) => data.callRouteAction({
         request: args.request,
@@ -68,3 +69,4 @@ params: args.params,
         action: route.module.action,
-        routeId: route.id
+        routeId: route.id,
+        singleFetch: future.unstable_singleFetch === true
       }) : undefined,
@@ -71,0 +73,0 @@ handle: route.module.handle

dist/server.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -26,2 +26,4 @@ * Copyright (c) Remix Software Inc.
 var dev = require('./dev.js');
+var singleFetch = require('./single-fetch.js');
+var deprecations = require('./deprecations.js');
 
@@ -80,3 +82,3 @@ function derive(build, mode$1) {
     let url = new URL(request.url);
-    let matches = routeMatching.matchServerRoutes(routes, url.pathname, _build.basename);
+    let params = {};
     let handleError = error => {
@@ -89,24 +91,74 @@ if (mode$1 === mode.ServerMode.Development) {
         context: loadContext,
-        params: matches && matches.length > 0 ? matches[0].params : {},
+        params,
         request
       });
     };
+
+    // Manifest request for fog of war
+
+    let manifestUrl = `${_build.basename ?? "/"}/__manifest`.replace(/\/+/g, "/");
+    if (url.pathname === manifestUrl) {
+      try {
+        let res = await handleManifestRequest(_build, routes, url);
+        return res;
+      } catch (e) {
+        handleError(e);
+        return new Response("Unknown Server Error", {
+          status: 500
+        });
+      }
+    }
+    let matches = routeMatching.matchServerRoutes(routes, url.pathname, _build.basename);
+    if (matches && matches.length > 0) {
+      Object.assign(params, matches[0].params);
+    }
     let response;
     if (url.searchParams.has("_data")) {
+      if (_build.future.unstable_singleFetch) {
+        handleError(new Error("Warning: Single fetch-enabled apps should not be making ?_data requests, " + "this is likely to break in the future"));
+      }
       let routeId = url.searchParams.get("_data");
-      response = await handleDataRequestRR(serverMode, _build, staticHandler, routeId, request, loadContext, handleError);
+      response = await handleDataRequest(serverMode, _build, staticHandler, routeId, request, loadContext, handleError);
       if (_build.entry.module.handleDataRequest) {
-        var _matches$find;
         response = await _build.entry.module.handleDataRequest(response, {
           context: loadContext,
-          params: (matches === null || matches === void 0 ? void 0 : (_matches$find = matches.find(m => m.route.id == routeId)) === null || _matches$find === void 0 ? void 0 : _matches$find.params) || {},
+          params,
           request
         });
+        if (responses.isRedirectResponse(response)) {
+          response = createRemixRedirectResponse(response, _build.basename);
+        }
       }
+    } else if (_build.future.unstable_singleFetch && url.pathname.endsWith(".data")) {
+      let handlerUrl = new URL(request.url);
+      handlerUrl.pathname = handlerUrl.pathname.replace(/\.data$/, "").replace(/^\/_root$/, "/");
+      let singleFetchMatches = routeMatching.matchServerRoutes(routes, handlerUrl.pathname, _build.basename);
+      response = await handleSingleFetchRequest(serverMode, _build, staticHandler, request, handlerUrl, loadContext, handleError);
+      if (_build.entry.module.handleDataRequest) {
+        response = await _build.entry.module.handleDataRequest(response, {
+          context: loadContext,
+          params: singleFetchMatches ? singleFetchMatches[0].params : {},
+          request
+        });
+        if (responses.isRedirectResponse(response)) {
+          let result = singleFetch.getSingleFetchRedirect(response.status, response.headers, _build.basename);
+          if (request.method === "GET") {
+            result = {
+              [singleFetch.SingleFetchRedirectSymbol]: result
+            };
+          }
+          let headers = new Headers(response.headers);
+          headers.set("Content-Type", "text/x-turbo");
+          return new Response(singleFetch.encodeViaTurboStream(result, request.signal, _build.entry.module.streamTimeout, serverMode), {
+            status: singleFetch.SINGLE_FETCH_REDIRECT_STATUS,
+            headers
+          });
+        }
+      }
     } else if (matches && matches[matches.length - 1].route.module.default == null && matches[matches.length - 1].route.module.ErrorBoundary == null) {
-      response = await handleResourceRequestRR(serverMode, staticHandler, matches.slice(-1)[0].route.id, request, loadContext, handleError);
+      response = await handleResourceRequest(serverMode, _build, staticHandler, matches.slice(-1)[0].route.id, request, loadContext, handleError);
     } else {
       var _getDevServerHooks2, _getDevServerHooks2$g;
       let criticalCss = mode$1 === mode.ServerMode.Development ? await ((_getDevServerHooks2 = dev.getDevServerHooks()) === null || _getDevServerHooks2 === void 0 ? void 0 : (_getDevServerHooks2$g = _getDevServerHooks2.getCriticalCss) === null || _getDevServerHooks2$g === void 0 ? void 0 : _getDevServerHooks2$g.call(_getDevServerHooks2, _build, url.pathname)) : undefined;
-      response = await handleDocumentRequestRR(serverMode, _build, staticHandler, request, loadContext, handleError, criticalCss);
+      response = await handleDocumentRequest(serverMode, _build, staticHandler, request, loadContext, handleError, criticalCss);
     }
@@ -123,3 +175,25 @@ if (request.method === "HEAD") {
 };
-async function handleDataRequestRR(serverMode, build, staticHandler, routeId, request, loadContext, handleError) {
+async function handleManifestRequest(build, routes, url) {
+  let patches = {};
+  if (url.searchParams.has("p")) {
+    for (let path of url.searchParams.getAll("p")) {
+      let matches = routeMatching.matchServerRoutes(routes, path, build.basename);
+      if (matches) {
+        for (let match of matches) {
+          let routeId = match.route.id;
+          patches[routeId] = build.assets.routes[routeId];
+        }
+      }
+    }
+    return responses.json(patches, {
+      headers: {
+        "Cache-Control": "public, max-age=31536000, immutable"
+      }
+    }); // Override the TypedResponse stuff from json()
+  }
+  return new Response("Invalid Request", {
+    status: 400
+  });
+}
+async function handleDataRequest(serverMode, build, staticHandler, routeId, request, loadContext, handleError) {
   try {
@@ -131,17 +205,3 @@ let response = await staticHandler.queryRoute(request, {
     if (responses.isRedirectResponse(response)) {
-      // We don't have any way to prevent a fetch request from following
-      // redirects. So we use the `X-Remix-Redirect` header to indicate the
-      // next URL, and then "follow" the redirect manually on the client.
-      let headers = new Headers(response.headers);
-      let redirectUrl = headers.get("Location");
-      headers.set("X-Remix-Redirect", build.basename ? router.stripBasename(redirectUrl, build.basename) || redirectUrl : redirectUrl);
-      headers.set("X-Remix-Status", response.status);
-      headers.delete("Location");
-      if (response.headers.get("Set-Cookie") !== null) {
-        headers.set("X-Remix-Revalidate", "yes");
-      }
-      return new Response(null, {
-        status: 204,
-        headers
-      });
+      return createRemixRedirectResponse(response, build.basename);
     }
@@ -163,13 +223,11 @@ if (router.UNSAFE_DEFERRED_SYMBOL in response) {
     // network errors that are missing this header
-    response.headers.set("X-Remix-Response", "yes");
+    response = safelySetHeader(response, "X-Remix-Response", "yes");
     return response;
   } catch (error) {
     if (responses.isResponse(error)) {
-      error.headers.set("X-Remix-Catch", "yes");
-      return error;
+      let response = safelySetHeader(error, "X-Remix-Catch", "yes");
+      return response;
     }
     if (router.isRouteErrorResponse(error)) {
-      if (error) {
-        handleError(error);
-      }
+      handleError(error);
       return errorResponseToJson(error, serverMode);
@@ -187,3 +245,23 @@ }
 }
-async function handleDocumentRequestRR(serverMode, build, staticHandler, request, loadContext, handleError, criticalCss) {
+async function handleSingleFetchRequest(serverMode, build, staticHandler, request, handlerUrl, loadContext, handleError) {
+  let {
+    result,
+    headers,
+    status
+  } = request.method !== "GET" ? await singleFetch.singleFetchAction(build, serverMode, staticHandler, request, handlerUrl, loadContext, handleError) : await singleFetch.singleFetchLoaders(build, serverMode, staticHandler, request, handlerUrl, loadContext, handleError);
+
+  // Mark all successful responses with a header so we can identify in-flight
+  // network errors that are missing this header
+  let resultHeaders = new Headers(headers);
+  resultHeaders.set("X-Remix-Response", "yes");
+  resultHeaders.set("Content-Type", "text/x-turbo");
+
+  // Note: Deferred data is already just Promises, so we don't have to mess
+  // `activeDeferreds` or anything :)
+  return new Response(singleFetch.encodeViaTurboStream(result, request.signal, build.entry.module.streamTimeout, serverMode), {
+    status: status || 200,
+    headers: resultHeaders
+  });
+}
+async function handleDocumentRequest(serverMode, build, staticHandler, request, loadContext, handleError, criticalCss) {
   let context;
@@ -203,2 +281,3 @@ try {
   }
+  let headers$1 = headers.getDocumentHeaders(build, context);
 
@@ -208,3 +287,3 @@ // Sanitize errors outside of development environments
     Object.values(context.errors).forEach(err => {
-      // @ts-expect-error This is "private" from users but intended for internal use
+      // @ts-expect-error `err.error` is "private" from users but intended for internal use
       if (!router.isRouteErrorResponse(err) || err.error) {
@@ -216,3 +295,11 @@ handleError(err);
   }
-  let headers$1 = headers.getDocumentHeadersRR(build, context);
+
+  // Server UI state to send to the client.
+  // - When single fetch is enabled, this is streamed down via `serverHandoffStream`
+  // - Otherwise it's stringified into `serverHandoffString`
+  let state = {
+    loaderData: context.loaderData,
+    actionData: context.actionData,
+    errors: errors.serializeErrors(context.errors, serverMode)
+  };
   let entryContext = {
@@ -227,10 +314,12 @@ manifest: build.assets,
       criticalCss,
-      state: {
-        loaderData: context.loaderData,
-        actionData: context.actionData,
-        errors: errors.serializeErrors(context.errors, serverMode)
-      },
       future: build.future,
-      isSpaMode: build.isSpaMode
+      isSpaMode: build.isSpaMode,
+      ...(!build.future.unstable_singleFetch ? {
+        state
+      } : null)
     }),
+    ...(build.future.unstable_singleFetch ? {
+      serverHandoffStream: singleFetch.encodeViaTurboStream(state, request.signal, build.entry.module.streamTimeout, serverMode),
+      renderMeta: {}
+    } : null),
     future: build.future,
@@ -250,16 +339,4 @@ isSpaMode: build.isSpaMode,
     if (responses.isResponse(error)) {
-      let data;
       try {
-        let contentType = error.headers.get("Content-Type");
-        // Check between word boundaries instead of startsWith() due to the last
-        // paragraph of https://httpwg.org/specs/rfc9110.html#field.content-type
-        if (contentType && /\bapplication\/json\b/.test(contentType)) {
-          if (error.body == null) {
-            data = null;
-          } else {
-            data = await error.json();
-          }
-        } else {
-          data = await error.text();
-        }
+        let data = await unwrapResponse(error);
         errorForSecondRender = new router.UNSAFE_ErrorResponseImpl(error.status, error.statusText, data);
@@ -279,3 +356,11 @@ } catch (e) {
 
-    // Update entryContext for the second render pass
+    // Get a new entryContext for the second render pass
+    // Server UI state to send to the client.
+    // - When single fetch is enabled, this is streamed down via `serverHandoffStream`
+    // - Otherwise it's stringified into `serverHandoffString`
+    let state = {
+      loaderData: context.loaderData,
+      actionData: context.actionData,
+      errors: errors.serializeErrors(context.errors, serverMode)
+    };
     entryContext = {
@@ -287,10 +372,12 @@ ...entryContext,
         basename: build.basename,
-        state: {
-          loaderData: context.loaderData,
-          actionData: context.actionData,
-          errors: errors.serializeErrors(context.errors, serverMode)
-        },
         future: build.future,
-        isSpaMode: build.isSpaMode
-      })
+        isSpaMode: build.isSpaMode,
+        ...(!build.future.unstable_singleFetch ? {
+          state
+        } : null)
+      }),
+      ...(build.future.unstable_singleFetch ? {
+        serverHandoffStream: singleFetch.encodeViaTurboStream(state, request.signal, build.entry.module.streamTimeout, serverMode),
+        renderMeta: {}
+      } : null)
     };
@@ -305,3 +392,3 @@ try {
 }
-async function handleResourceRequestRR(serverMode, staticHandler, routeId, request, loadContext, handleError) {
+async function handleResourceRequest(serverMode, build, staticHandler, routeId, request, loadContext, handleError) {
   try {
@@ -315,4 +402,12 @@ // Note we keep the routeId here to align with the Remix handling of
     });
-    invariant["default"](!(router.UNSAFE_DEFERRED_SYMBOL in response), `You cannot return a \`defer()\` response from a Resource Route.  Did you ` + `forget to export a default UI component from the "${routeId}" route?`);
-    // callRouteLoader/callRouteAction always return responses
+    if (typeof response === "object" && response !== null) {
+      invariant["default"](!(router.UNSAFE_DEFERRED_SYMBOL in response), `You cannot return a \`defer()\` response from a Resource Route.  Did you ` + `forget to export a default UI component from the "${routeId}" route?`);
+    }
+    if (build.future.unstable_singleFetch && !responses.isResponse(response)) {
+      console.warn(deprecations.resourceRouteJsonWarning(request.method === "GET" ? "loader" : "action", routeId));
+      response = responses.json(response);
+    }
+
+    // callRouteLoader/callRouteAction always return responses (w/o single fetch).
+    // With single fetch, users should always be Responses from resource routes
     invariant["default"](responses.isResponse(response), "Expected a Response to be returned from queryRoute");
@@ -324,4 +419,4 @@ return response;
       // match identically to what Remix returns
-      error.headers.set("X-Remix-Catch", "yes");
-      return error;
+      let response = safelySetHeader(error, "X-Remix-Catch", "yes");
+      return response;
     }
@@ -363,3 +458,42 @@ if (router.isRouteErrorResponse(error)) {
 }
+function unwrapResponse(response) {
+  let contentType = response.headers.get("Content-Type");
+  // Check between word boundaries instead of startsWith() due to the last
+  // paragraph of https://httpwg.org/specs/rfc9110.html#field.content-type
+  return contentType && /\bapplication\/json\b/.test(contentType) ? response.body == null ? null : response.json() : response.text();
+}
+function createRemixRedirectResponse(response, basename) {
+  // We don't have any way to prevent a fetch request from following
+  // redirects. So we use the `X-Remix-Redirect` header to indicate the
+  // next URL, and then "follow" the redirect manually on the client.
+  let headers = new Headers(response.headers);
+  let redirectUrl = headers.get("Location");
+  headers.set("X-Remix-Redirect", basename ? router.stripBasename(redirectUrl, basename) || redirectUrl : redirectUrl);
+  headers.set("X-Remix-Status", String(response.status));
+  headers.delete("Location");
+  if (response.headers.get("Set-Cookie") !== null) {
+    headers.set("X-Remix-Revalidate", "yes");
+  }
+  return new Response(null, {
+    status: 204,
+    headers
+  });
+}
 
+// Anytime we are setting a header on a `Response` created in the loader/action,
+// we have to so it in this manner since in an `undici` world, if the `Response`
+// came directly from a `fetch` call, the headers are immutable will throw if
+// we try to set a new header.  This is a sort of shallow clone of the `Response`
+// so we can safely set our own header.
+function safelySetHeader(response, name, value) {
+  let headers = new Headers(response.headers);
+  headers.set(name, value);
+  return new Response(response.body, {
+    status: response.status,
+    statusText: response.statusText,
+    headers,
+    duplex: response.body ? "half" : undefined
+  });
+}
+
 exports.createRequestHandler = createRequestHandler;

dist/serverHandoff.d.ts

@@ -5,3 +5,3 @@ import type { HydrationState } from "@remix-run/router";
 export declare function createServerHandoffString<T>(serverHandoff: {
-    state: ValidateShape<T, HydrationState>;
+    state?: ValidateShape<T, HydrationState>;
     criticalCss?: string;
@@ -8,0 +8,0 @@ url: string;

dist/serverHandoff.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/sessions.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/sessions/cookieStorage.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/sessions/memoryStorage.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/upload/errors.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/upload/memoryUploadHandler.d.ts

@@ -1,2 +0,2 @@
-import type { UploadHandler } from "@remix-run/server-runtime";
+import type { UploadHandler } from "../formData";
 export type MemoryUploadHandlerFilterArgs = {
@@ -3,0 +3,0 @@ filename?: string;

dist/upload/memoryUploadHandler.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

dist/warnings.js

 /**
- * @remix-run/server-runtime v0.0.0-nightly-df59cc6-20240229
+ * @remix-run/server-runtime v0.0.0-nightly-dfc3401f7-20240815
  *
@@ -4,0 +4,0 @@ * Copyright (c) Remix Software Inc.

package.json

 {
   "name": "@remix-run/server-runtime",
-  "version": "0.0.0-nightly-df59cc6-20240229",
+  "version": "0.0.0-nightly-dfc3401f7-20240815",
   "description": "Server runtime for Remix",
@@ -19,3 +19,3 @@ "bugs": {
   "dependencies": {
-    "@remix-run/router": "1.15.2",
+    "@remix-run/router": "1.19.1-pre.0",
     "@types/cookie": "^0.6.0",
@@ -25,3 +25,4 @@ "@web3-storage/multipart-parser": "^1.0.0",
     "set-cookie-parser": "^2.4.8",
-    "source-map": "^0.7.3"
+    "source-map": "^0.7.3",
+    "turbo-stream": "2.3.0"
   },
@@ -48,3 +49,6 @@ "devDependencies": {
     "README.md"
-  ]
-}
+  ],
+  "scripts": {
+    "tsc": "tsc"
+  }
+}

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Number of package files

84

increased by6.33%

Lines of code

5167

increased by23.55%

Worsened metrics

Total package byte prevSize

201846

decreased by-10.73%

Dependency count

8

increased by14.29%

Dependency changes

• + Addedturbo-stream@2.3.0

• + Added@remix-run/router@1.19.1-pre.0(transitive)

• + Addedturbo-stream@2.3.0(transitive)

• - Removed@remix-run/router@1.15.2(transitive)

• Updated@remix-run/router@1.19.1-pre.0