@tanstack/router-core/dist/cjs/ssr/createRequestHandler.cjs.map

Modern and scalable routing for React applications

{"version":3,"file":"createRequestHandler.cjs","names":[],"sources":["../../../src/ssr/createRequestHandler.ts"],"sourcesContent":["import { createMemoryHistory } from '@tanstack/history'\nimport { mergeHeaders } from './headers'\nimport {\n  attachRouterServerSsrUtils,\n  getNormalizedURL,\n  getOrigin,\n} from './ssr-server'\nimport type { HandlerCallback } from './handlerCallback'\nimport type { AnyHeaders } from './headers'\nimport type { AnyRouter } from '../router'\nimport type { Manifest } from '../manifest'\n\nexport type RequestHandler<TRouter extends AnyRouter> = (\n  cb: HandlerCallback<TRouter>,\n) => Promise<Response>\n\nexport function createRequestHandler<TRouter extends AnyRouter>({\n  createRouter,\n  request,\n  getRouterManifest,\n}: {\n  createRouter: () => TRouter\n  request: Request\n  getRouterManifest?: () => Manifest | Promise<Manifest>\n}): RequestHandler<TRouter> {\n  return async (cb) => {\n    const router = createRouter()\n    // Track whether the callback will handle cleanup\n    let cbWillCleanup = false\n\n    try {\n      attachRouterServerSsrUtils({\n        router,\n        manifest: await getRouterManifest?.(),\n      })\n\n      // normalizing and sanitizing the pathname here for server, so we always deal with the same format during SSR.\n      const { url } = getNormalizedURL(request.url, 'http://localhost')\n      const origin = getOrigin(request)\n      const href = url.href.replace(url.origin, '')\n\n      // Create a history for the router\n      const history = createMemoryHistory({\n        initialEntries: [href],\n      })\n\n      // Update the router with the history and context\n      router.update({\n        history,\n        origin: router.options.origin ?? origin,\n      })\n\n      await router.load()\n\n      await router.serverSsr?.dehydrate()\n\n      const responseHeaders = getRequestHeaders({\n        router,\n      })\n\n      // Mark that the callback will handle cleanup\n      cbWillCleanup = true\n      return cb({\n        request,\n        router,\n        responseHeaders,\n      })\n    } finally {\n      if (!cbWillCleanup) {\n        // Clean up router SSR state if the callback won't handle it\n        // (e.g., if an error occurred before the callback was invoked).\n        // When the callback runs, it handles cleanup (either via transformStreamWithRouter\n        // for streaming, or directly in renderRouterToString for non-streaming).\n        router.serverSsr?.cleanup()\n      }\n    }\n  }\n}\n\nfunction getRequestHeaders(opts: { router: AnyRouter }): Headers {\n  const matchHeaders = opts.router.state.matches.map<AnyHeaders>(\n    (match) => match.headers,\n  )\n\n  // Handle Redirects\n  const { redirect } = opts.router.state\n  if (redirect) {\n    matchHeaders.push(redirect.headers)\n  }\n\n  return mergeHeaders(\n    {\n      'Content-Type': 'text/html; charset=UTF-8',\n    },\n    ...matchHeaders,\n  )\n}\n"],"mappings":";;;;;AAgBA,SAAgB,qBAAgD,EAC9D,cACA,SACA,qBAK0B;AAC1B,QAAO,OAAO,OAAO;EACnB,MAAM,SAAS,cAAc;EAE7B,IAAI,gBAAgB;AAEpB,MAAI;AACF,sBAAA,2BAA2B;IACzB;IACA,UAAU,MAAM,qBAAqB;IACtC,CAAC;GAGF,MAAM,EAAE,QAAQ,mBAAA,iBAAiB,QAAQ,KAAK,mBAAmB;GACjE,MAAM,SAAS,mBAAA,UAAU,QAAQ;GAIjC,MAAM,WAAA,GAAA,kBAAA,qBAA8B,EAClC,gBAAgB,CAJL,IAAI,KAAK,QAAQ,IAAI,QAAQ,GAAG,CAIrB,EACvB,CAAC;AAGF,UAAO,OAAO;IACZ;IACA,QAAQ,OAAO,QAAQ,UAAU;IAClC,CAAC;AAEF,SAAM,OAAO,MAAM;AAEnB,SAAM,OAAO,WAAW,WAAW;GAEnC,MAAM,kBAAkB,kBAAkB,EACxC,QACD,CAAC;AAGF,mBAAgB;AAChB,UAAO,GAAG;IACR;IACA;IACA;IACD,CAAC;YACM;AACR,OAAI,CAAC,cAKH,QAAO,WAAW,SAAS;;;;AAMnC,SAAS,kBAAkB,MAAsC;CAC/D,MAAM,eAAe,KAAK,OAAO,MAAM,QAAQ,KAC5C,UAAU,MAAM,QAClB;CAGD,MAAM,EAAE,aAAa,KAAK,OAAO;AACjC,KAAI,SACF,cAAa,KAAK,SAAS,QAAQ;AAGrC,QAAO,gBAAA,aACL,EACE,gBAAgB,4BACjB,EACD,GAAG,aACJ"}