inngest/node.cjs.map

Official SDK for Inngest.com. Inngest is the reliability layer for modern applications. Inngest combines durable execution, events, and queues into a zero-infra platform with built-in observability.

{"version":3,"file":"node.cjs","names":["frameworkName: SupportedFrameworkName","URL","InngestCommHandler","http"],"sources":["../src/node.ts"],"sourcesContent":["import http from \"node:http\";\nimport { PassThrough } from \"node:stream\";\nimport type { TLSSocket } from \"node:tls\";\nimport { URL } from \"node:url\";\nimport {\n  InngestCommHandler,\n  type ServeHandlerOptions,\n  type SyncHandlerOptions,\n} from \"./components/InngestCommHandler.ts\";\nimport type { SupportedFrameworkName } from \"./types.ts\";\n\n/**\n * The name of the framework, used to identify the framework in Inngest\n * dashboards and during testing.\n */\nexport const frameworkName: SupportedFrameworkName = \"nodejs\";\n\n/**\n * Read the incoming message request body as text\n */\nasync function readRequestBody(req: http.IncomingMessage): Promise<string> {\n  return new Promise((resolve) => {\n    let body = \"\";\n    req.on(\"data\", (chunk) => {\n      body += chunk;\n    });\n    req.on(\"end\", () => {\n      resolve(body);\n    });\n  });\n}\n\nfunction getURL(req: http.IncomingMessage, hostnameOption?: string): URL {\n  const protocol =\n    (req.headers[\"x-forwarded-proto\"] as string) ||\n    ((req.socket as TLSSocket)?.encrypted ? \"https\" : \"http\");\n  const origin = hostnameOption || `${protocol}://${req.headers.host}`;\n  return new URL(req.url || \"\", origin);\n}\n\nconst _createResProxy = (\n  res: http.ServerResponse,\n): {\n  proxy: http.ServerResponse;\n  data: Promise<string>;\n} => {\n  // We tap the response so that we can capture data being output to convert\n  // it to the format we need for checkpointing sync responses with\n  // `checkpointResponse()`.\n  const resChunks: Uint8Array[] = [];\n\n  const tap = new PassThrough();\n  tap.on(\"data\", (chunk) => resChunks.push(chunk));\n\n  const data = new Promise<string>((resolve, reject) => {\n    tap.on(\"end\", () => {\n      resolve(Buffer.concat(resChunks).toString());\n    });\n\n    // TODO reject when?\n\n    tap.pipe(res);\n  });\n\n  const proxy = new Proxy(res, {\n    get(target, prop) {\n      if (prop === \"write\") return tap.write.bind(tap);\n      if (prop === \"end\") return tap.end.bind(tap);\n\n      return Reflect.get(target, prop);\n    },\n  });\n\n  return { proxy, data };\n};\n\nconst commHandler = (options: ServeHandlerOptions | SyncHandlerOptions) => {\n  const handler = new InngestCommHandler({\n    frameworkName,\n    ...options,\n    handler: (req: http.IncomingMessage, res: http.ServerResponse) => {\n      return {\n        body: async () => readRequestBody(req),\n        headers: (key) => {\n          return req.headers[key] && Array.isArray(req.headers[key])\n            ? req.headers[key][0]\n            : req.headers[key];\n        },\n        method: () => {\n          if (!req.method) {\n            throw new Error(\n              \"Request method not defined. Potential use outside of context of Server.\",\n            );\n          }\n          return req.method;\n        },\n        url: () => getURL(req, options.serveOrigin),\n        transformResponse: ({ body, status, headers }) => {\n          res.writeHead(status, headers);\n          res.end(body);\n        },\n\n        transformStreamingResponse: async ({ body, headers, status }) => {\n          res.writeHead(status, headers);\n\n          const reader = body.getReader();\n          try {\n            let done = false;\n            while (!done) {\n              const result = await reader.read();\n              done = result.done;\n              if (!done) {\n                res.write(result.value);\n              }\n            }\n            res.end();\n          } catch (error) {\n            if (error instanceof Error) {\n              res.destroy(error);\n            } else {\n              res.destroy(new Error(String(error)));\n            }\n          }\n        },\n      };\n    },\n  });\n\n  return handler;\n};\n\n/**\n * Serve and register any declared functions with Inngest, making them available\n * to be triggered by events.\n *\n * @example Serve Inngest functions on all paths\n * ```ts\n * import { serve } from \"inngest/node\";\n * import { inngest } from \"./src/inngest/client\";\n * import myFn from \"./src/inngest/myFn\"; // Your own function\n *\n * const server = http.createServer(serve({\n *   client: inngest, functions: [myFn]\n * }));\n * server.listen(3000);\n * ```\n *\n * @example Serve Inngest on a specific path\n * ```ts\n * import { serve } from \"inngest/node\";\n * import { inngest } from \"./src/inngest/client\";\n * import myFn from \"./src/inngest/myFn\"; // Your own function\n *\n * const server = http.createServer((req, res) => {\n *   if (req.url.start === '/api/inngest') {\n *     return serve({\n *       client: inngest, functions: [myFn]\n *     })(req, res);\n *   }\n *   // ...\n * });\n * server.listen(3000);\n * ```\n *\n * @public\n */\n// Has explicit return type to avoid JSR-defined \"slow types\"\nexport const serve = (options: ServeHandlerOptions): http.RequestListener => {\n  return commHandler(options).createHandler() as http.RequestListener;\n};\n\n/**\n * EXPERIMENTAL - Create an http server to serve Inngest functions.\n *\n * @example\n * ```ts\n * import { createServer } from \"inngest/node\";\n * import { inngest } from \"./src/inngest/client\";\n * import myFn from \"./src/inngest/myFn\"; // Your own function\n *\n * const server = createServer({\n *   client: inngest, functions: [myFn]\n * });\n * server.listen(3000);\n * ```\n *\n * @public\n */\nexport const createServer = (options: ServeHandlerOptions) => {\n  const server = http.createServer((req, res) => {\n    const url = getURL(req, options.serveOrigin);\n    const pathname = options.servePath || \"/api/inngest\";\n    if (url.pathname === pathname) {\n      return serve(options)(req, res);\n    }\n    res.writeHead(404);\n    res.end();\n  });\n  server.on(\"clientError\", (_err, socket) => {\n    socket.end(\"HTTP/1.1 400 Bad Request\\r\\n\\r\\n\");\n  });\n  return server;\n};\n"],"mappings":";;;;;;;;;;;AAeA,MAAaA,gBAAwC;;;;AAKrD,eAAe,gBAAgB,KAA4C;AACzE,QAAO,IAAI,SAAS,YAAY;EAC9B,IAAI,OAAO;AACX,MAAI,GAAG,SAAS,UAAU;AACxB,WAAQ;IACR;AACF,MAAI,GAAG,aAAa;AAClB,WAAQ,KAAK;IACb;GACF;;AAGJ,SAAS,OAAO,KAA2B,gBAA8B;CACvE,MAAM,WACH,IAAI,QAAQ,yBACX,IAAI,QAAsB,YAAY,UAAU;CACpD,MAAM,SAAS,kBAAkB,GAAG,SAAS,KAAK,IAAI,QAAQ;AAC9D,QAAO,IAAIC,aAAI,IAAI,OAAO,IAAI,OAAO;;AAuCvC,MAAM,eAAe,YAAsD;AAoDzE,QAnDgB,IAAIC,8CAAmB;EACrC;EACA,GAAG;EACH,UAAU,KAA2B,QAA6B;AAChE,UAAO;IACL,MAAM,YAAY,gBAAgB,IAAI;IACtC,UAAU,QAAQ;AAChB,YAAO,IAAI,QAAQ,QAAQ,MAAM,QAAQ,IAAI,QAAQ,KAAK,GACtD,IAAI,QAAQ,KAAK,KACjB,IAAI,QAAQ;;IAElB,cAAc;AACZ,SAAI,CAAC,IAAI,OACP,OAAM,IAAI,MACR,0EACD;AAEH,YAAO,IAAI;;IAEb,WAAW,OAAO,KAAK,QAAQ,YAAY;IAC3C,oBAAoB,EAAE,MAAM,QAAQ,cAAc;AAChD,SAAI,UAAU,QAAQ,QAAQ;AAC9B,SAAI,IAAI,KAAK;;IAGf,4BAA4B,OAAO,EAAE,MAAM,SAAS,aAAa;AAC/D,SAAI,UAAU,QAAQ,QAAQ;KAE9B,MAAM,SAAS,KAAK,WAAW;AAC/B,SAAI;MACF,IAAI,OAAO;AACX,aAAO,CAAC,MAAM;OACZ,MAAM,SAAS,MAAM,OAAO,MAAM;AAClC,cAAO,OAAO;AACd,WAAI,CAAC,KACH,KAAI,MAAM,OAAO,MAAM;;AAG3B,UAAI,KAAK;cACF,OAAO;AACd,UAAI,iBAAiB,MACnB,KAAI,QAAQ,MAAM;UAElB,KAAI,QAAQ,IAAI,MAAM,OAAO,MAAM,CAAC,CAAC;;;IAI5C;;EAEJ,CAAC;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAyCJ,MAAa,SAAS,YAAuD;AAC3E,QAAO,YAAY,QAAQ,CAAC,eAAe;;;;;;;;;;;;;;;;;;;AAoB7C,MAAa,gBAAgB,YAAiC;CAC5D,MAAM,SAASC,kBAAK,cAAc,KAAK,QAAQ;EAC7C,MAAM,MAAM,OAAO,KAAK,QAAQ,YAAY;EAC5C,MAAM,WAAW,QAAQ,aAAa;AACtC,MAAI,IAAI,aAAa,SACnB,QAAO,MAAM,QAAQ,CAAC,KAAK,IAAI;AAEjC,MAAI,UAAU,IAAI;AAClB,MAAI,KAAK;GACT;AACF,QAAO,GAAG,gBAAgB,MAAM,WAAW;AACzC,SAAO,IAAI,mCAAmC;GAC9C;AACF,QAAO"}