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

Modern and scalable routing for React applications

{"version":3,"file":"handlerCallback.cjs","names":[],"sources":["../../../src/ssr/handlerCallback.ts"],"sourcesContent":["import type { AnyRouter } from '../router'\n\nexport type SsrResponse =\n  | {\n      response: Response\n      serverSsrCleanup: 'none'\n    }\n  | {\n      response: Response\n      serverSsrCleanup: 'stream'\n      dispose: (reason?: unknown) => Promise<void>\n    }\n\nexport type HandlerCallbackResult = Response | SsrResponse\n\nexport function isSsrResponse(value: unknown): value is SsrResponse {\n  return (\n    typeof value === 'object' &&\n    value !== null &&\n    'response' in value &&\n    'serverSsrCleanup' in value\n  )\n}\n\nexport function normalizeSsrResponse(\n  result: HandlerCallbackResult,\n): SsrResponse {\n  return isSsrResponse(result)\n    ? result\n    : { response: result, serverSsrCleanup: 'none' }\n}\n\nexport function createSsrStreamResponse<TRouter extends AnyRouter>(\n  router: TRouter,\n  response: Response,\n): SsrResponse {\n  if (!response.body) {\n    throw new Error('Invariant failed: SSR stream response requires a body')\n  }\n\n  let disposed = false\n  return {\n    response,\n    serverSsrCleanup: 'stream',\n    async dispose(reason?: unknown) {\n      if (disposed) return\n      disposed = true\n\n      try {\n        await response.body!.cancel(reason)\n      } catch {\n        // ignore; fallback cleanup below still releases router SSR state\n      }\n\n      router.serverSsr?.cleanup()\n    },\n  }\n}\n\nexport async function replaceSsrResponse(\n  result: HandlerCallbackResult,\n  response: Response,\n  reason?: unknown,\n): Promise<SsrResponse> {\n  const ssrResponse = normalizeSsrResponse(result)\n  if (ssrResponse.serverSsrCleanup === 'stream') {\n    await ssrResponse.dispose(reason)\n  }\n  return { response, serverSsrCleanup: 'none' }\n}\n\nexport async function stripSsrResponseBody(\n  result: HandlerCallbackResult,\n  reason?: unknown,\n): Promise<SsrResponse> {\n  const ssrResponse = normalizeSsrResponse(result)\n  if (ssrResponse.serverSsrCleanup === 'stream') {\n    await ssrResponse.dispose(reason)\n  }\n  return {\n    response: new Response(null, ssrResponse.response),\n    serverSsrCleanup: 'none',\n  }\n}\n\nexport interface HandlerCallback<TRouter extends AnyRouter> {\n  (ctx: {\n    request: Request\n    router: TRouter\n    responseHeaders: Headers\n  }): HandlerCallbackResult | Promise<HandlerCallbackResult>\n}\n\nexport function defineHandlerCallback<TRouter extends AnyRouter>(\n  handler: HandlerCallback<TRouter>,\n): HandlerCallback<TRouter> {\n  return handler\n}\n"],"mappings":";AAeA,SAAgB,cAAc,OAAsC;CAClE,OACE,OAAO,UAAU,YACjB,UAAU,QACV,cAAc,SACd,sBAAsB;AAE1B;AAEA,SAAgB,qBACd,QACa;CACb,OAAO,cAAc,MAAM,IACvB,SACA;EAAE,UAAU;EAAQ,kBAAkB;CAAO;AACnD;AAEA,SAAgB,wBACd,QACA,UACa;CACb,IAAI,CAAC,SAAS,MACZ,MAAM,IAAI,MAAM,uDAAuD;CAGzE,IAAI,WAAW;CACf,OAAO;EACL;EACA,kBAAkB;EAClB,MAAM,QAAQ,QAAkB;GAC9B,IAAI,UAAU;GACd,WAAW;GAEX,IAAI;IACF,MAAM,SAAS,KAAM,OAAO,MAAM;GACpC,QAAQ,CAER;GAEA,OAAO,WAAW,QAAQ;EAC5B;CACF;AACF;AAEA,eAAsB,mBACpB,QACA,UACA,QACsB;CACtB,MAAM,cAAc,qBAAqB,MAAM;CAC/C,IAAI,YAAY,qBAAqB,UACnC,MAAM,YAAY,QAAQ,MAAM;CAElC,OAAO;EAAE;EAAU,kBAAkB;CAAO;AAC9C;AAEA,eAAsB,qBACpB,QACA,QACsB;CACtB,MAAM,cAAc,qBAAqB,MAAM;CAC/C,IAAI,YAAY,qBAAqB,UACnC,MAAM,YAAY,QAAQ,MAAM;CAElC,OAAO;EACL,UAAU,IAAI,SAAS,MAAM,YAAY,QAAQ;EACjD,kBAAkB;CACpB;AACF;AAUA,SAAgB,sBACd,SAC0B;CAC1B,OAAO;AACT"}