{"version":3,"file":"request.cjs","names":[],"sources":["../../../src/adapters/node/request.ts"],"sourcesContent":["import type {\n\tIncomingHttpHeaders,\n\tIncomingMessage,\n\tServerResponse,\n} from \"node:http\";\nimport * as set_cookie_parser from \"set-cookie-parser\";\n\ntype NodeRequestWithBody = IncomingMessage & {\n\tbody?: unknown;\n};\n\nconst getFirstHeaderValue = (\n\theader: IncomingHttpHeaders[string],\n): string | undefined => {\n\tif (Array.isArray(header)) {\n\t\treturn header[0];\n\t}\n\treturn header;\n};\n\nconst hasFormUrlEncodedContentType = (\n\theaders: IncomingHttpHeaders,\n): boolean => {\n\tconst contentType = getFirstHeaderValue(headers[\"content-type\"]);\n\tif (!contentType) {\n\t\treturn false;\n\t}\n\treturn contentType\n\t\t.toLowerCase()\n\t\t.startsWith(\"application/x-www-form-urlencoded\");\n};\n\nconst isPlainObject = (value: unknown): value is Record<string, unknown> => {\n\tif (typeof value !== \"object\" || value === null) {\n\t\treturn false;\n\t}\n\tconst prototype = Object.getPrototypeOf(value);\n\treturn prototype === Object.prototype || prototype === null;\n};\n\nconst appendFormValue = (\n\tparams: URLSearchParams,\n\tkey: string,\n\tvalue: unknown,\n) => {\n\tif (value === undefined) {\n\t\treturn;\n\t}\n\tif (Array.isArray(value)) {\n\t\tfor (const item of value) {\n\t\t\tappendFormValue(params, key, item);\n\t\t}\n\t\treturn;\n\t}\n\tif (value === null) {\n\t\tparams.append(key, \"\");\n\t\treturn;\n\t}\n\tif (isPlainObject(value)) {\n\t\tparams.append(key, JSON.stringify(value));\n\t\treturn;\n\t}\n\tparams.append(key, `${value}`);\n};\n\nconst toFormUrlEncodedBody = (\n\tbody: Readonly<Record<string, unknown>>,\n): string => {\n\tconst params = new URLSearchParams();\n\tfor (const [key, value] of Object.entries(body)) {\n\t\tappendFormValue(params, key, value);\n\t}\n\treturn params.toString();\n};\n\nconst canReadRawBody = (request: IncomingMessage): boolean => {\n\treturn (\n\t\t!request.destroyed && request.readableEnded !== true && request.readable\n\t);\n};\n\nconst serializeParsedBody = (\n\tparsedBody: unknown,\n\tisFormUrlEncoded: boolean,\n): string => {\n\tif (typeof parsedBody === \"string\") {\n\t\treturn parsedBody;\n\t}\n\tif (parsedBody instanceof URLSearchParams) {\n\t\treturn parsedBody.toString();\n\t}\n\tif (isFormUrlEncoded && isPlainObject(parsedBody)) {\n\t\treturn toFormUrlEncodedBody(parsedBody);\n\t}\n\treturn JSON.stringify(parsedBody);\n};\n\nfunction get_raw_body(req: IncomingMessage, body_size_limit?: number) {\n\tconst h = req.headers;\n\n\tif (!h[\"content-type\"]) return null;\n\n\tconst content_length = Number(h[\"content-length\"]);\n\n\t// check if no request body\n\tif (\n\t\t(req.httpVersionMajor === 1 &&\n\t\t\tisNaN(content_length) &&\n\t\t\th[\"transfer-encoding\"] == null) ||\n\t\tcontent_length === 0\n\t) {\n\t\treturn null;\n\t}\n\n\tlet length = content_length;\n\n\tif (body_size_limit) {\n\t\tif (!length) {\n\t\t\tlength = body_size_limit;\n\t\t} else if (length > body_size_limit) {\n\t\t\tthrow Error(\n\t\t\t\t`Received content-length of ${length}, but only accept up to ${body_size_limit} bytes.`,\n\t\t\t);\n\t\t}\n\t}\n\n\tif (req.destroyed) {\n\t\tconst readable = new ReadableStream();\n\t\treadable.cancel();\n\t\treturn readable;\n\t}\n\n\tlet size = 0;\n\tlet cancelled = false;\n\n\treturn new ReadableStream({\n\t\tstart(controller) {\n\t\t\treq.on(\"error\", (error) => {\n\t\t\t\tcancelled = true;\n\t\t\t\tcontroller.error(error);\n\t\t\t});\n\n\t\t\treq.on(\"end\", () => {\n\t\t\t\tif (cancelled) return;\n\t\t\t\tcontroller.close();\n\t\t\t});\n\n\t\t\treq.on(\"data\", (chunk) => {\n\t\t\t\tif (cancelled) return;\n\n\t\t\t\tsize += chunk.length;\n\n\t\t\t\tif (size > length) {\n\t\t\t\t\tcancelled = true;\n\n\t\t\t\t\tcontroller.error(\n\t\t\t\t\t\tnew Error(\n\t\t\t\t\t\t\t`request body size exceeded ${\n\t\t\t\t\t\t\t\tcontent_length ? \"'content-length'\" : \"BODY_SIZE_LIMIT\"\n\t\t\t\t\t\t\t} of ${length}`,\n\t\t\t\t\t\t),\n\t\t\t\t\t);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tcontroller.enqueue(chunk);\n\n\t\t\t\tif (controller.desiredSize === null || controller.desiredSize <= 0) {\n\t\t\t\t\treq.pause();\n\t\t\t\t}\n\t\t\t});\n\t\t},\n\n\t\tpull() {\n\t\t\treq.resume();\n\t\t},\n\n\t\tcancel(reason) {\n\t\t\tcancelled = true;\n\t\t\treq.destroy(reason);\n\t\t},\n\t});\n}\n\nfunction constructRelativeUrl(\n\treq: IncomingMessage & { baseUrl?: string; originalUrl?: string },\n) {\n\tconst baseUrl = req.baseUrl;\n\tconst originalUrl = req.originalUrl;\n\n\tif (!baseUrl || !originalUrl) {\n\t\t// In express.js sub-routers `req.url` is relative to the mount\n\t\t// path (e.g., '/auth/xxx'), and `req.baseUrl` will hold the mount\n\t\t// path (e.g., '/api'). Build the full path as baseUrl + url when\n\t\t// available to preserve the full route. For application level routes\n\t\t// baseUrl will be an empty string\n\t\treturn baseUrl ? baseUrl + req.url : req.url;\n\t}\n\n\tif (baseUrl + req.url === originalUrl) {\n\t\treturn baseUrl + req.url;\n\t}\n\n\t// For certain subroutes or when mounting wildcard middlewares in express\n\t// it is possible `baseUrl + req.url` will result in a url constructed\n\t// which has a trailing forward slash the original url did not have.\n\t// Checking the `req.originalUrl` path ending can prevent this issue.\n\n\tconst originalPathEnding = originalUrl.split(\"?\")[0]!.at(-1);\n\treturn originalPathEnding === \"/\" ? baseUrl + req.url : baseUrl;\n}\n\nexport function getRequest({\n\trequest,\n\tbase,\n\tbodySizeLimit,\n}: {\n\tbase: string;\n\tbodySizeLimit?: number;\n\trequest: IncomingMessage;\n}) {\n\t// Check if body has already been parsed by Express middleware\n\tconst maybeConsumedReq = request as NodeRequestWithBody;\n\tconst isFormUrlEncoded = hasFormUrlEncodedContentType(request.headers);\n\tlet body = undefined;\n\n\tconst method = request.method;\n\t// Request with GET/HEAD method cannot have body.\n\tif (method !== \"GET\" && method !== \"HEAD\") {\n\t\t// Raw-first strategy: prefer consuming the original request stream whenever it is still readable.\n\t\tif (canReadRawBody(request)) {\n\t\t\tbody = get_raw_body(request, bodySizeLimit);\n\t\t} else if (maybeConsumedReq.body !== undefined) {\n\t\t\tconst parsedBody = maybeConsumedReq.body;\n\n\t\t\tconst bodyContent = serializeParsedBody(parsedBody, isFormUrlEncoded);\n\t\t\tbody = new ReadableStream({\n\t\t\t\tstart(controller) {\n\t\t\t\t\tcontroller.enqueue(new TextEncoder().encode(bodyContent));\n\t\t\t\t\tcontroller.close();\n\t\t\t\t},\n\t\t\t});\n\t\t}\n\t}\n\n\treturn new Request(base + constructRelativeUrl(request), {\n\t\t// @ts-expect-error\n\t\tduplex: \"half\",\n\t\tmethod: request.method,\n\t\tbody,\n\t\theaders: request.headers as Record<string, string>,\n\t});\n}\n\nexport async function setResponse(res: ServerResponse, response: Response) {\n\tfor (const [key, value] of response.headers as any) {\n\t\ttry {\n\t\t\tres.setHeader(\n\t\t\t\tkey,\n\t\t\t\tkey === \"set-cookie\"\n\t\t\t\t\t? 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