@tanstack/start-server-core - npm Package Compare versions

Comparing version 1.120.4-alpha.12 to 1.120.4-alpha.13

dist/cjs/createStartHandler.cjs

@@ -171,10 +171,3 @@ "use strict";
       }
-      const body = response.status === 204 ? null : await response.clone().blob();
-      const headers = new Headers(response.headers);
-      headers.append("Access-Control-Expose-Headers", routerCore.tsrRedirectHeaderKey);
-      return new Response(body, {
-        status: response.status,
-        statusText: response.statusText,
-        headers
-      });
+      return response;
     });
@@ -181,0 +174,0 @@ };

dist/cjs/createStartHandler.cjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"createStartHandler.cjs","sources":["../../src/createStartHandler.ts"],"sourcesContent":["import { createMemoryHistory } from '@tanstack/history'\nimport {\n  flattenMiddlewares,\n  json,\n  mergeHeaders,\n} from '@tanstack/start-client-core'\nimport {\n  getMatchedRoutes,\n  isRedirect,\n  isResolvedRedirect,\n  joinPaths,\n  processRouteTree,\n  rootRouteId,\n  trimPath,\n  tsrRedirectHeaderKey,\n} from '@tanstack/router-core'\nimport { getResponseHeaders, requestHandler } from './h3'\nimport { attachRouterServerSsrUtils, dehydrateRouter } from './ssr-server'\nimport { getStartManifest } from './router-manifest'\nimport { handleServerAction } from './server-functions-handler'\nimport type { AnyServerRoute, AnyServerRouteWithTypes } from './serverRoute'\nimport type { RequestHandler } from './h3'\nimport type { AnyRouter } from '@tanstack/router-core'\nimport type { HandlerCallback } from './handlerCallback'\n\ntype TODO = any\n\nexport type CustomizeStartHandler<TRouter extends AnyRouter> = (\n  cb: HandlerCallback<TRouter>,\n) => RequestHandler\n\nexport function getStartResponseHeaders(opts: { router: AnyRouter }) {\n  let headers = mergeHeaders(\n    getResponseHeaders(),\n    {\n      'Content-Type': 'text/html; charset=UTF-8',\n    },\n    ...opts.router.state.matches.map((match) => {\n      return match.headers\n    }),\n  )\n  // Handle Redirects\n  const { redirect } = opts.router.state\n\n  if (redirect) {\n    headers = mergeHeaders(headers, redirect.headers)\n  }\n  return headers\n}\n\nexport function createStartHandler<TRouter extends AnyRouter>({\n  createRouter,\n}: {\n  createRouter: () => TRouter\n}): CustomizeStartHandler<TRouter> {\n  return (cb) => {\n    return requestHandler(async ({ request }) => {\n      const url = new URL(request.url)\n      const href = url.href.replace(url.origin, '')\n\n      // Create a history for the client-side router\n      const history = createMemoryHistory({\n        initialEntries: [href],\n      })\n\n      // Create the client-side router\n      const router = createRouter()\n\n      // Attach the server-side SSR utils to the client-side router\n      attachRouterServerSsrUtils(router, getStartManifest())\n\n      // Update the client-side router with the history and context\n      router.update({\n        history,\n      })\n\n      const response = await (async () => {\n        try {\n          if (!process.env.TSS_SERVER_FN_BASE) {\n            throw new Error(\n              'tanstack/start-server-core: TSS_SERVER_FN_BASE must be defined in your environment for createStartHandler()',\n            )\n          }\n\n          // First, let's attempt to handle server functions\n          // Add trailing slash to sanitise user defined TSS_SERVER_FN_BASE\n          const serverFnBase = joinPaths([\n            '/',\n            trimPath(process.env.TSS_SERVER_FN_BASE),\n            '/',\n          ])\n          if (href.startsWith(serverFnBase)) {\n            return await handleServerAction({ request })\n          }\n\n          // Then move on to attempting to load server routes\n          const serverRouteTreeModule = await (async () => {\n            try {\n              // @ts-expect-error\n              return (await import('tanstack:server-routes')) as {\n                routeTree: AnyServerRoute\n              }\n            } catch (e) {\n              console.log(e)\n              return undefined\n            }\n          })()\n\n          // If we have a server route tree, then we try matching to see if we have a\n          // server route that matches the request.\n          if (serverRouteTreeModule) {\n            const [_matchedRoutes, response] = await handleServerRoutes({\n              routeTree: serverRouteTreeModule.routeTree,\n              request,\n            })\n\n            if (response) return response\n          }\n\n          const requestAcceptHeader = request.headers.get('Accept') || '*/*'\n          const splitRequestAcceptHeader = requestAcceptHeader.split(',')\n\n          const supportedMimeTypes = ['*/*', 'text/html']\n          const isRouterAcceptSupported = supportedMimeTypes.some((mimeType) =>\n            splitRequestAcceptHeader.some((acceptedMimeType) =>\n              acceptedMimeType.trim().startsWith(mimeType),\n            ),\n          )\n\n          if (!isRouterAcceptSupported) {\n            return json(\n              {\n                error: 'Only HTML requests are supported here',\n              },\n              {\n                status: 500,\n              },\n            )\n          }\n\n          // If no Server Routes were found, so fallback to normal SSR matching using\n          // the router\n\n          await router.load()\n\n          // If there was a redirect, skip rendering the page at all\n          if (router.state.redirect) return router.state.redirect\n\n          dehydrateRouter(router)\n\n          const responseHeaders = getStartResponseHeaders({ router })\n          const response = await cb({\n            request,\n            router,\n            responseHeaders,\n          })\n\n          return response\n        } catch (err) {\n          if (err instanceof Response) {\n            return err\n          }\n\n          throw err\n        }\n      })()\n\n      if (isRedirect(response)) {\n        if (isResolvedRedirect(response)) {\n          if (request.headers.get('x-tsr-redirect') === 'manual') {\n            return json(\n              {\n                ...response.options,\n                isSerializedRedirect: true,\n              },\n              {\n                headers: response.headers,\n              },\n            )\n          }\n          return response\n        }\n        if (\n          response.options.to &&\n          typeof response.options.to === 'string' &&\n          !response.options.to.startsWith('/')\n        ) {\n          throw new Error(\n            `Server side redirects must use absolute paths via the 'href' or 'to' options. Received: ${JSON.stringify(response.options)}`,\n          )\n        }\n\n        if (\n          ['params', 'search', 'hash'].some(\n            (d) => typeof (response.options as any)[d] === 'function',\n          )\n        ) {\n          throw new Error(\n            `Server side redirects must use static search, params, and hash values and do not support functional values. Received functional values for: ${Object.keys(\n              response.options,\n            )\n              .filter((d) => typeof (response.options as any)[d] === 'function')\n              .map((d) => `\"${d}\"`)\n              .join(', ')}`,\n          )\n        }\n\n        const redirect = router.resolveRedirect(response)\n\n        if (request.headers.get('x-tsr-redirect') === 'manual') {\n          return json(\n            {\n              ...response.options,\n              isSerializedRedirect: true,\n            },\n            {\n              headers: response.headers,\n            },\n          )\n        }\n\n        return redirect\n      }\n\n      // Add Access-Control-Expose-Headers\n      // With HTTPs the response/header objects are immutable, therefore we must clone them\n      const body =\n        response.status === 204 ? null : await response.clone().blob()\n      const headers = new Headers(response.headers)\n      headers.append('Access-Control-Expose-Headers', tsrRedirectHeaderKey)\n\n      return new Response(body, {\n        status: response.status,\n        statusText: response.statusText,\n        headers,\n      })\n    })\n  }\n}\n\nasync function handleServerRoutes({\n  routeTree,\n  request,\n}: {\n  routeTree: AnyServerRouteWithTypes\n  request: Request\n}) {\n  const { flatRoutes, routesById, routesByPath } = processRouteTree({\n    routeTree,\n    initRoute: (route, i) => {\n      route.init({\n        originalIndex: i,\n      })\n    },\n  })\n\n  const url = new URL(request.url)\n  const pathname = url.pathname\n\n  const history = createMemoryHistory({\n    initialEntries: [pathname],\n  })\n\n  const { matchedRoutes, foundRoute, routeParams } =\n    getMatchedRoutes<AnyServerRouteWithTypes>({\n      pathname: history.location.pathname,\n      basepath: '/',\n      caseSensitive: true,\n      routesByPath,\n      routesById,\n      flatRoutes,\n    })\n\n  let response: Response | undefined\n\n  if (foundRoute && foundRoute.id !== rootRouteId) {\n    // We've found a server route that matches the request, so we can call it.\n    // TODO: Get the input type-signature correct\n    // TODO: Perform the middlewares?\n    // TODO: Error handling? What happens when its `throw redirect()` vs `throw new Error()`?\n\n    const method = Object.keys(foundRoute.options.methods).find(\n      (method) => method.toLowerCase() === request.method.toLowerCase(),\n    )\n\n    if (method) {\n      const handler = foundRoute.options.methods[method]\n\n      if (handler) {\n        const middlewares = flattenMiddlewares(\n          matchedRoutes.flatMap((r) => r.options.middleware).filter(Boolean),\n        ).map((d) => d.options.server)\n\n        middlewares.push(handlerToMiddleware(handler) as TODO)\n\n        // TODO: This is starting to feel too much like a server function\n        // Do generalize the existing middleware execution? 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charset=UTF-8',\n    },\n    ...opts.router.state.matches.map((match) => {\n      return match.headers\n    }),\n  )\n  // Handle Redirects\n  const { redirect } = opts.router.state\n\n  if (redirect) {\n    headers = mergeHeaders(headers, redirect.headers)\n  }\n  return headers\n}\n\nexport function createStartHandler<TRouter extends AnyRouter>({\n  createRouter,\n}: {\n  createRouter: () => TRouter\n}): CustomizeStartHandler<TRouter> {\n  return (cb) => {\n    return requestHandler(async ({ request }) => {\n      const url = new URL(request.url)\n      const href = url.href.replace(url.origin, '')\n\n      // Create a history for the client-side router\n      const history = createMemoryHistory({\n        initialEntries: [href],\n      })\n\n      // Create the client-side router\n      const router = createRouter()\n\n      // Attach the server-side SSR utils to the client-side router\n      attachRouterServerSsrUtils(router, getStartManifest())\n\n      // Update the client-side router with the history and context\n      router.update({\n        history,\n      })\n\n      const response = await (async () => {\n        try {\n          if (!process.env.TSS_SERVER_FN_BASE) {\n            throw new Error(\n              'tanstack/start-server-core: TSS_SERVER_FN_BASE must be defined in your environment for createStartHandler()',\n            )\n          }\n\n          // First, let's attempt to handle server functions\n          // Add trailing slash to sanitise user defined TSS_SERVER_FN_BASE\n          const serverFnBase = joinPaths([\n            '/',\n            trimPath(process.env.TSS_SERVER_FN_BASE),\n            '/',\n          ])\n          if (href.startsWith(serverFnBase)) {\n            return await handleServerAction({ request })\n          }\n\n          // Then move on to attempting to load server routes\n          const serverRouteTreeModule = await (async () => {\n            try {\n              // @ts-expect-error\n              return (await import('tanstack:server-routes')) as {\n                routeTree: AnyServerRoute\n              }\n            } catch (e) {\n              console.log(e)\n              return undefined\n            }\n          })()\n\n          // If we have a server route tree, then we try matching to see if we have a\n          // server route that matches the request.\n          if (serverRouteTreeModule) {\n            const [_matchedRoutes, response] = await handleServerRoutes({\n              routeTree: serverRouteTreeModule.routeTree,\n              request,\n            })\n\n            if (response) return response\n          }\n\n          const requestAcceptHeader = request.headers.get('Accept') || '*/*'\n          const splitRequestAcceptHeader = requestAcceptHeader.split(',')\n\n          const supportedMimeTypes = ['*/*', 'text/html']\n          const isRouterAcceptSupported = supportedMimeTypes.some((mimeType) =>\n            splitRequestAcceptHeader.some((acceptedMimeType) =>\n              acceptedMimeType.trim().startsWith(mimeType),\n            ),\n          )\n\n          if (!isRouterAcceptSupported) {\n            return json(\n              {\n                error: 'Only HTML requests are supported here',\n              },\n              {\n                status: 500,\n              },\n            )\n          }\n\n          // If no Server Routes were found, so fallback to normal SSR matching using\n          // the router\n\n          await router.load()\n\n          // If there was a redirect, skip rendering the page at all\n          if (router.state.redirect) return router.state.redirect\n\n          dehydrateRouter(router)\n\n          const responseHeaders = getStartResponseHeaders({ router })\n          const response = await cb({\n            request,\n            router,\n            responseHeaders,\n          })\n\n          return response\n        } catch (err) {\n          if (err instanceof Response) {\n            return err\n          }\n\n          throw err\n        }\n      })()\n\n      if (isRedirect(response)) {\n        if (isResolvedRedirect(response)) {\n          if (request.headers.get('x-tsr-redirect') === 'manual') {\n            return json(\n              {\n                ...response.options,\n                isSerializedRedirect: true,\n              },\n              {\n                headers: response.headers,\n              },\n            )\n          }\n          return response\n        }\n        if (\n          response.options.to &&\n          typeof response.options.to === 'string' &&\n          !response.options.to.startsWith('/')\n        ) {\n          throw new Error(\n            `Server side redirects must use absolute paths via the 'href' or 'to' options. Received: ${JSON.stringify(response.options)}`,\n          )\n        }\n\n        if (\n          ['params', 'search', 'hash'].some(\n            (d) => typeof (response.options as any)[d] === 'function',\n          )\n        ) {\n          throw new Error(\n            `Server side redirects must use static search, params, and hash values and do not support functional values. Received functional values for: ${Object.keys(\n              response.options,\n            )\n              .filter((d) => typeof (response.options as any)[d] === 'function')\n              .map((d) => `\"${d}\"`)\n              .join(', ')}`,\n          )\n        }\n\n        const redirect = router.resolveRedirect(response)\n\n        if (request.headers.get('x-tsr-redirect') === 'manual') {\n          return json(\n            {\n              ...response.options,\n              isSerializedRedirect: true,\n            },\n            {\n              headers: response.headers,\n            },\n          )\n        }\n\n        return redirect\n      }\n\n      return response\n    })\n  }\n}\n\nasync function handleServerRoutes({\n  routeTree,\n  request,\n}: {\n  routeTree: AnyServerRouteWithTypes\n  request: Request\n}) {\n  const { flatRoutes, routesById, routesByPath } = processRouteTree({\n    routeTree,\n    initRoute: (route, i) => {\n      route.init({\n        originalIndex: i,\n      })\n    },\n  })\n\n  const url = new URL(request.url)\n  const pathname = url.pathname\n\n  const history = createMemoryHistory({\n    initialEntries: [pathname],\n  })\n\n  const { matchedRoutes, foundRoute, routeParams } =\n    getMatchedRoutes<AnyServerRouteWithTypes>({\n      pathname: history.location.pathname,\n      basepath: '/',\n      caseSensitive: true,\n      routesByPath,\n      routesById,\n      flatRoutes,\n    })\n\n  let response: Response | undefined\n\n  if (foundRoute && foundRoute.id !== rootRouteId) {\n    // We've found a server route that matches the request, so we can call it.\n    // TODO: Get the input type-signature correct\n    // TODO: Perform the middlewares?\n    // TODO: Error handling? What happens when its `throw redirect()` vs `throw new Error()`?\n\n    const method = Object.keys(foundRoute.options.methods).find(\n      (method) => method.toLowerCase() === request.method.toLowerCase(),\n    )\n\n    if (method) {\n      const handler = foundRoute.options.methods[method]\n\n      if (handler) {\n        const middlewares = flattenMiddlewares(\n          matchedRoutes.flatMap((r) => r.options.middleware).filter(Boolean),\n        ).map((d) => d.options.server)\n\n        middlewares.push(handlerToMiddleware(handler) as TODO)\n\n        // TODO: This is starting to feel too much like a server function\n        // Do generalize the existing middleware execution? Or do we need to\n        // build a new middleware execution system for server routes?\n        const ctx = await executeMiddleware(middlewares, {\n          request,\n          context: {},\n          params: routeParams,\n          pathname: history.location.pathname,\n        })\n\n        response = ctx.response\n      }\n    }\n  }\n\n  // We return the matched routes too so if\n  // the app router happens to match the same path,\n  // it can use any request middleware from server routes\n  return [matchedRoutes, response] as const\n}\n\nfunction handlerToMiddleware(\n  handler: AnyServerRouteWithTypes['options']['methods'][string],\n) {\n  return async ({ next, ...rest }: TODO) => ({\n    response: await handler(rest),\n  })\n}\n\nfunction executeMiddleware(middlewares: TODO, ctx: TODO) {\n  let index = -1\n\n  const next = async (ctx: TODO) => {\n    index++\n    const middleware = middlewares[index]\n    if (!middleware) return ctx\n\n    const result = await middleware({\n      ...ctx,\n      // Allow the middleware to call the next middleware in the chain\n      next: async (nextCtx: TODO) => {\n        // Allow the caller to extend the context for the next middleware\n        const nextResult = await next({ ...ctx, ...nextCtx })\n\n        // Merge the result into the context\\\n        return Object.assign(ctx, handleCtxResult(nextResult))\n      },\n      // Allow the middleware result to extend the return context\n    }).catch((err: TODO) => {\n      if (isSpecialResponse(err)) {\n        return {\n          response: err,\n        }\n      }\n\n      throw err\n    })\n\n    // Merge the middleware result into the context, just in case it\n    // returns a partial context\n    return Object.assign(ctx, handleCtxResult(result))\n  }\n\n  return handleCtxResult(next(ctx))\n}\n\nfunction handleCtxResult(result: TODO) {\n  if (isSpecialResponse(result)) {\n    return {\n      response: result,\n    }\n  }\n\n  return result\n}\n\nfunction 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dist/esm/createStartHandler.js

 import { createMemoryHistory } from "@tanstack/history";
 import { mergeHeaders, json, flattenMiddlewares } from "@tanstack/start-client-core";
-import { joinPaths, trimPath, isRedirect, isResolvedRedirect, tsrRedirectHeaderKey, processRouteTree, getMatchedRoutes, rootRouteId } from "@tanstack/router-core";
+import { joinPaths, trimPath, isRedirect, isResolvedRedirect, processRouteTree, getMatchedRoutes, rootRouteId } from "@tanstack/router-core";
 import { getResponseHeaders, requestHandler } from "./h3.js";
@@ -147,10 +147,3 @@ import { attachRouterServerSsrUtils, dehydrateRouter } from "./ssr-server.js";
       }
-      const body = response.status === 204 ? null : await response.clone().blob();
-      const headers = new Headers(response.headers);
-      headers.append("Access-Control-Expose-Headers", tsrRedirectHeaderKey);
-      return new Response(body, {
-        status: response.status,
-        statusText: response.statusText,
-        headers
-      });
+      return response;
     });
@@ -157,0 +150,0 @@ };

dist/esm/createStartHandler.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"createStartHandler.js","sources":["../../src/createStartHandler.ts"],"sourcesContent":["import { createMemoryHistory } from '@tanstack/history'\nimport {\n  flattenMiddlewares,\n  json,\n  mergeHeaders,\n} from '@tanstack/start-client-core'\nimport {\n  getMatchedRoutes,\n  isRedirect,\n  isResolvedRedirect,\n  joinPaths,\n  processRouteTree,\n  rootRouteId,\n  trimPath,\n  tsrRedirectHeaderKey,\n} from '@tanstack/router-core'\nimport { getResponseHeaders, requestHandler } from './h3'\nimport { attachRouterServerSsrUtils, dehydrateRouter } from './ssr-server'\nimport { getStartManifest } from './router-manifest'\nimport { handleServerAction } from './server-functions-handler'\nimport type { AnyServerRoute, AnyServerRouteWithTypes } from './serverRoute'\nimport type { RequestHandler } from './h3'\nimport type { AnyRouter } from '@tanstack/router-core'\nimport type { HandlerCallback } from './handlerCallback'\n\ntype TODO = any\n\nexport type CustomizeStartHandler<TRouter extends AnyRouter> = (\n  cb: HandlerCallback<TRouter>,\n) => RequestHandler\n\nexport function getStartResponseHeaders(opts: { router: AnyRouter }) {\n  let headers = mergeHeaders(\n    getResponseHeaders(),\n    {\n      'Content-Type': 'text/html; charset=UTF-8',\n    },\n    ...opts.router.state.matches.map((match) => {\n      return match.headers\n    }),\n  )\n  // Handle Redirects\n  const { redirect } = opts.router.state\n\n  if (redirect) {\n    headers = mergeHeaders(headers, redirect.headers)\n  }\n  return headers\n}\n\nexport function createStartHandler<TRouter extends AnyRouter>({\n  createRouter,\n}: {\n  createRouter: () => TRouter\n}): CustomizeStartHandler<TRouter> {\n  return (cb) => {\n    return requestHandler(async ({ request }) => {\n      const url = new URL(request.url)\n      const href = url.href.replace(url.origin, '')\n\n      // Create a history for the client-side router\n      const history = createMemoryHistory({\n        initialEntries: [href],\n      })\n\n      // Create the client-side router\n      const router = createRouter()\n\n      // Attach the server-side SSR utils to the client-side router\n      attachRouterServerSsrUtils(router, getStartManifest())\n\n      // Update the client-side router with the history and context\n      router.update({\n        history,\n      })\n\n      const response = await (async () => {\n        try {\n          if (!process.env.TSS_SERVER_FN_BASE) {\n            throw new Error(\n              'tanstack/start-server-core: TSS_SERVER_FN_BASE must be defined in your environment for createStartHandler()',\n            )\n          }\n\n          // First, let's attempt to handle server functions\n          // Add trailing slash to sanitise user defined TSS_SERVER_FN_BASE\n          const serverFnBase = joinPaths([\n            '/',\n            trimPath(process.env.TSS_SERVER_FN_BASE),\n            '/',\n          ])\n          if (href.startsWith(serverFnBase)) {\n            return await handleServerAction({ request })\n          }\n\n          // Then move on to attempting to load server routes\n          const serverRouteTreeModule = await (async () => {\n            try {\n              // @ts-expect-error\n              return (await import('tanstack:server-routes')) as {\n                routeTree: AnyServerRoute\n              }\n            } catch (e) {\n              console.log(e)\n              return undefined\n            }\n          })()\n\n          // If we have a server route tree, then we try matching to see if we have a\n          // server route that matches the request.\n          if (serverRouteTreeModule) {\n            const [_matchedRoutes, response] = await handleServerRoutes({\n              routeTree: serverRouteTreeModule.routeTree,\n              request,\n            })\n\n            if (response) return response\n          }\n\n          const requestAcceptHeader = request.headers.get('Accept') || '*/*'\n          const splitRequestAcceptHeader = requestAcceptHeader.split(',')\n\n          const supportedMimeTypes = ['*/*', 'text/html']\n          const isRouterAcceptSupported = supportedMimeTypes.some((mimeType) =>\n            splitRequestAcceptHeader.some((acceptedMimeType) =>\n              acceptedMimeType.trim().startsWith(mimeType),\n            ),\n          )\n\n          if (!isRouterAcceptSupported) {\n            return json(\n              {\n                error: 'Only HTML requests are supported here',\n              },\n              {\n                status: 500,\n              },\n            )\n          }\n\n          // If no Server Routes were found, so fallback to normal SSR matching using\n          // the router\n\n          await router.load()\n\n          // If there was a redirect, skip rendering the page at all\n          if (router.state.redirect) return router.state.redirect\n\n          dehydrateRouter(router)\n\n          const responseHeaders = getStartResponseHeaders({ router })\n          const response = await cb({\n            request,\n            router,\n            responseHeaders,\n          })\n\n          return response\n        } catch (err) {\n          if (err instanceof Response) {\n            return err\n          }\n\n          throw err\n        }\n      })()\n\n      if (isRedirect(response)) {\n        if (isResolvedRedirect(response)) {\n          if (request.headers.get('x-tsr-redirect') === 'manual') {\n            return json(\n              {\n                ...response.options,\n                isSerializedRedirect: true,\n              },\n              {\n                headers: response.headers,\n              },\n            )\n          }\n          return response\n        }\n        if (\n          response.options.to &&\n          typeof response.options.to === 'string' &&\n          !response.options.to.startsWith('/')\n        ) {\n          throw new Error(\n            `Server side redirects must use absolute paths via the 'href' or 'to' options. Received: ${JSON.stringify(response.options)}`,\n          )\n        }\n\n        if (\n          ['params', 'search', 'hash'].some(\n            (d) => typeof (response.options as any)[d] === 'function',\n          )\n        ) {\n          throw new Error(\n            `Server side redirects must use static search, params, and hash values and do not support functional values. Received functional values for: ${Object.keys(\n              response.options,\n            )\n              .filter((d) => typeof (response.options as any)[d] === 'function')\n              .map((d) => `\"${d}\"`)\n              .join(', ')}`,\n          )\n        }\n\n        const redirect = router.resolveRedirect(response)\n\n        if (request.headers.get('x-tsr-redirect') === 'manual') {\n          return json(\n            {\n              ...response.options,\n              isSerializedRedirect: true,\n            },\n            {\n              headers: response.headers,\n            },\n          )\n        }\n\n        return redirect\n      }\n\n      // Add Access-Control-Expose-Headers\n      // With HTTPs the response/header objects are immutable, therefore we must clone them\n      const body =\n        response.status === 204 ? null : await response.clone().blob()\n      const headers = new Headers(response.headers)\n      headers.append('Access-Control-Expose-Headers', tsrRedirectHeaderKey)\n\n      return new Response(body, {\n        status: response.status,\n        statusText: response.statusText,\n        headers,\n      })\n    })\n  }\n}\n\nasync function handleServerRoutes({\n  routeTree,\n  request,\n}: {\n  routeTree: AnyServerRouteWithTypes\n  request: Request\n}) {\n  const { flatRoutes, routesById, routesByPath } = processRouteTree({\n    routeTree,\n    initRoute: (route, i) => {\n      route.init({\n        originalIndex: i,\n      })\n    },\n  })\n\n  const url = new URL(request.url)\n  const pathname = url.pathname\n\n  const history = createMemoryHistory({\n    initialEntries: [pathname],\n  })\n\n  const { matchedRoutes, foundRoute, routeParams } =\n    getMatchedRoutes<AnyServerRouteWithTypes>({\n      pathname: history.location.pathname,\n      basepath: '/',\n      caseSensitive: true,\n      routesByPath,\n      routesById,\n      flatRoutes,\n    })\n\n  let response: Response | undefined\n\n  if (foundRoute && foundRoute.id !== rootRouteId) {\n    // We've found a server route that matches the request, so we can call it.\n    // TODO: Get the input type-signature correct\n    // TODO: Perform the middlewares?\n    // TODO: Error handling? What happens when its `throw redirect()` vs `throw new Error()`?\n\n    const method = Object.keys(foundRoute.options.methods).find(\n      (method) => method.toLowerCase() === request.method.toLowerCase(),\n    )\n\n    if (method) {\n      const handler = foundRoute.options.methods[method]\n\n      if (handler) {\n        const middlewares = flattenMiddlewares(\n          matchedRoutes.flatMap((r) => r.options.middleware).filter(Boolean),\n        ).map((d) => d.options.server)\n\n        middlewares.push(handlerToMiddleware(handler) as TODO)\n\n        // TODO: This is starting to feel too much like a server function\n        // Do generalize the existing middleware execution? Or do we need to\n        // build a new middleware execution system for server routes?\n        const ctx = await executeMiddleware(middlewares, {\n          request,\n          context: {},\n          params: routeParams,\n          pathname: history.location.pathname,\n        })\n\n        response = ctx.response\n      }\n    }\n  }\n\n  // We return the matched routes too so if\n  // the app router happens to match the same path,\n  // it can use any request middleware from server routes\n  return [matchedRoutes, response] as const\n}\n\nfunction handlerToMiddleware(\n  handler: AnyServerRouteWithTypes['options']['methods'][string],\n) {\n  return async ({ next, ...rest }: TODO) => ({\n    response: await handler(rest),\n  })\n}\n\nfunction executeMiddleware(middlewares: TODO, ctx: TODO) {\n  let index = -1\n\n  const next = async (ctx: TODO) => {\n    index++\n    const middleware = middlewares[index]\n    if (!middleware) return ctx\n\n    const result = await middleware({\n    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charset=UTF-8',\n    },\n    ...opts.router.state.matches.map((match) => {\n      return match.headers\n    }),\n  )\n  // Handle Redirects\n  const { redirect } = opts.router.state\n\n  if (redirect) {\n    headers = mergeHeaders(headers, redirect.headers)\n  }\n  return headers\n}\n\nexport function createStartHandler<TRouter extends AnyRouter>({\n  createRouter,\n}: {\n  createRouter: () => TRouter\n}): CustomizeStartHandler<TRouter> {\n  return (cb) => {\n    return requestHandler(async ({ request }) => {\n      const url = new URL(request.url)\n      const href = url.href.replace(url.origin, '')\n\n      // Create a history for the client-side router\n      const history = createMemoryHistory({\n        initialEntries: [href],\n      })\n\n      // Create the client-side router\n      const router = createRouter()\n\n      // Attach the server-side SSR utils to the client-side router\n      attachRouterServerSsrUtils(router, getStartManifest())\n\n      // Update the client-side router with the history and context\n      router.update({\n        history,\n      })\n\n      const response = await (async () => {\n        try {\n          if (!process.env.TSS_SERVER_FN_BASE) {\n            throw new Error(\n              'tanstack/start-server-core: TSS_SERVER_FN_BASE must be defined in your environment for createStartHandler()',\n            )\n          }\n\n          // First, let's attempt to handle server functions\n          // Add trailing slash to sanitise user defined TSS_SERVER_FN_BASE\n          const serverFnBase = joinPaths([\n            '/',\n            trimPath(process.env.TSS_SERVER_FN_BASE),\n            '/',\n          ])\n          if (href.startsWith(serverFnBase)) {\n            return await handleServerAction({ request })\n          }\n\n          // Then move on to attempting to load server routes\n          const serverRouteTreeModule = await (async () => {\n            try {\n              // @ts-expect-error\n              return (await import('tanstack:server-routes')) as {\n                routeTree: AnyServerRoute\n              }\n            } catch (e) {\n              console.log(e)\n              return undefined\n            }\n          })()\n\n          // If we have a server route tree, then we try matching to see if we have a\n          // server route that matches the request.\n          if (serverRouteTreeModule) {\n            const [_matchedRoutes, response] = await handleServerRoutes({\n              routeTree: serverRouteTreeModule.routeTree,\n              request,\n            })\n\n            if (response) return response\n          }\n\n          const requestAcceptHeader = request.headers.get('Accept') || '*/*'\n          const splitRequestAcceptHeader = requestAcceptHeader.split(',')\n\n          const supportedMimeTypes = ['*/*', 'text/html']\n          const isRouterAcceptSupported = supportedMimeTypes.some((mimeType) =>\n            splitRequestAcceptHeader.some((acceptedMimeType) =>\n              acceptedMimeType.trim().startsWith(mimeType),\n            ),\n          )\n\n          if (!isRouterAcceptSupported) {\n            return json(\n              {\n                error: 'Only HTML requests are supported here',\n              },\n              {\n                status: 500,\n              },\n            )\n          }\n\n          // If no Server Routes were found, so fallback to normal SSR matching using\n          // the router\n\n          await router.load()\n\n          // If there was a redirect, skip rendering the page at all\n          if (router.state.redirect) return router.state.redirect\n\n          dehydrateRouter(router)\n\n          const responseHeaders = getStartResponseHeaders({ router })\n          const response = await cb({\n            request,\n            router,\n            responseHeaders,\n          })\n\n          return response\n        } catch (err) {\n          if (err instanceof Response) {\n            return err\n          }\n\n          throw err\n        }\n      })()\n\n      if (isRedirect(response)) {\n        if (isResolvedRedirect(response)) {\n          if (request.headers.get('x-tsr-redirect') === 'manual') {\n            return json(\n              {\n                ...response.options,\n                isSerializedRedirect: true,\n              },\n              {\n                headers: response.headers,\n              },\n            )\n          }\n          return response\n        }\n        if (\n          response.options.to &&\n          typeof response.options.to === 'string' &&\n          !response.options.to.startsWith('/')\n        ) {\n          throw new Error(\n            `Server side redirects must use absolute paths via the 'href' or 'to' options. Received: ${JSON.stringify(response.options)}`,\n          )\n        }\n\n        if (\n          ['params', 'search', 'hash'].some(\n            (d) => typeof (response.options as any)[d] === 'function',\n          )\n        ) {\n          throw new Error(\n            `Server side redirects must use static search, params, and hash values and do not support functional values. Received functional values for: ${Object.keys(\n              response.options,\n            )\n              .filter((d) => typeof (response.options as any)[d] === 'function')\n              .map((d) => `\"${d}\"`)\n              .join(', ')}`,\n          )\n        }\n\n        const redirect = router.resolveRedirect(response)\n\n        if (request.headers.get('x-tsr-redirect') === 'manual') {\n          return json(\n            {\n              ...response.options,\n              isSerializedRedirect: true,\n            },\n            {\n              headers: response.headers,\n            },\n          )\n        }\n\n        return redirect\n      }\n\n      return response\n    })\n  }\n}\n\nasync function handleServerRoutes({\n  routeTree,\n  request,\n}: {\n  routeTree: AnyServerRouteWithTypes\n  request: Request\n}) {\n  const { flatRoutes, routesById, routesByPath } = processRouteTree({\n    routeTree,\n    initRoute: (route, i) => {\n      route.init({\n        originalIndex: i,\n      })\n    },\n  })\n\n  const url = new URL(request.url)\n  const pathname = url.pathname\n\n  const history = createMemoryHistory({\n    initialEntries: [pathname],\n  })\n\n  const { matchedRoutes, foundRoute, routeParams } =\n    getMatchedRoutes<AnyServerRouteWithTypes>({\n      pathname: history.location.pathname,\n      basepath: '/',\n      caseSensitive: true,\n      routesByPath,\n      routesById,\n      flatRoutes,\n    })\n\n  let response: Response | undefined\n\n  if (foundRoute && foundRoute.id !== rootRouteId) {\n    // We've found a server route that matches the request, so we can call it.\n    // TODO: Get the input type-signature correct\n    // TODO: Perform the middlewares?\n    // TODO: Error handling? What happens when its `throw redirect()` vs `throw new Error()`?\n\n    const method = Object.keys(foundRoute.options.methods).find(\n      (method) => method.toLowerCase() === request.method.toLowerCase(),\n    )\n\n    if (method) {\n      const handler = foundRoute.options.methods[method]\n\n      if (handler) {\n        const middlewares = flattenMiddlewares(\n          matchedRoutes.flatMap((r) => r.options.middleware).filter(Boolean),\n        ).map((d) => d.options.server)\n\n        middlewares.push(handlerToMiddleware(handler) as TODO)\n\n        // TODO: This is starting to feel too much like a server function\n        // Do generalize the existing middleware execution? Or do we need to\n        // build a new middleware execution system for server routes?\n        const ctx = await executeMiddleware(middlewares, {\n          request,\n          context: {},\n          params: routeParams,\n          pathname: history.location.pathname,\n        })\n\n        response = ctx.response\n      }\n    }\n  }\n\n  // We return the matched routes too so if\n  // the app router happens to match the same path,\n  // it can use any request middleware from server routes\n  return [matchedRoutes, response] as const\n}\n\nfunction handlerToMiddleware(\n  handler: AnyServerRouteWithTypes['options']['methods'][string],\n) {\n  return async ({ next, ...rest }: TODO) => ({\n    response: await handler(rest),\n  })\n}\n\nfunction executeMiddleware(middlewares: TODO, ctx: TODO) {\n  let index = -1\n\n  const next = async (ctx: TODO) => {\n    index++\n    const middleware = middlewares[index]\n    if (!middleware) return ctx\n\n    const result = await middleware({\n      ...ctx,\n      // Allow the middleware to call the next middleware in the chain\n      next: async (nextCtx: TODO) => {\n        // Allow the caller to extend the context for the next middleware\n        const nextResult = await next({ ...ctx, ...nextCtx })\n\n        // Merge the result into the context\\\n        return Object.assign(ctx, handleCtxResult(nextResult))\n      },\n      // Allow the middleware result to extend the return context\n    }).catch((err: TODO) => {\n      if (isSpecialResponse(err)) {\n        return {\n          response: err,\n        }\n      }\n\n      throw err\n    })\n\n    // Merge the middleware result into the context, just in case it\n    // returns a partial context\n    return Object.assign(ctx, handleCtxResult(result))\n  }\n\n  return handleCtxResult(next(ctx))\n}\n\nfunction handleCtxResult(result: TODO) {\n  if (isSpecialResponse(result)) {\n    return {\n      response: result,\n    }\n  }\n\n  return result\n}\n\nfunction 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package.json

 {
   "name": "@tanstack/start-server-core",
-  "version": "1.120.4-alpha.12",
+  "version": "1.120.4-alpha.13",
   "description": "Modern and scalable routing for React applications",
@@ -57,5 +57,5 @@ "author": "Tanner Linsley",
     "undici": "^7.8.0",
-    "@tanstack/router-core": "^1.120.4-alpha.12",
-    "@tanstack/history": "^1.120.4-alpha.1",
-    "@tanstack/start-client-core": "^1.120.4-alpha.12"
+    "@tanstack/router-core": "^1.120.4-alpha.13",
+    "@tanstack/start-client-core": "^1.120.4-alpha.13",
+    "@tanstack/history": "^1.120.4-alpha.1"
   },
@@ -62,0 +62,0 @@ "devDependencies": {

src/createStartHandler.ts

@@ -15,3 +15,2 @@ import { createMemoryHistory } from '@tanstack/history'
   trimPath,
-  tsrRedirectHeaderKey,
 } from '@tanstack/router-core'
@@ -226,14 +225,3 @@ import { getResponseHeaders, requestHandler } from './h3'
 
-      // Add Access-Control-Expose-Headers
-      // With HTTPs the response/header objects are immutable, therefore we must clone them
-      const body =
-        response.status === 204 ? null : await response.clone().blob()
-      const headers = new Headers(response.headers)
-      headers.append('Access-Control-Expose-Headers', tsrRedirectHeaderKey)
-
-      return new Response(body, {
-        status: response.status,
-        statusText: response.statusText,
-        headers,
-      })
+      return response
     })
@@ -240,0 +228,0 @@ }

New alerts

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 4 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

Network access

Supply chain risk

This module accesses the network.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 4 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Worsened metrics

Total package byte prevSize

449836

-0.58%

Lines of code

5832

-0.43%

Dependency changes

• Updated

  @tanstack/router-core@^1.120.4-alpha.13

• Updated

  @tanstack/start-client-core@^1.120.4-alpha.13