{"version":3,"file":"speech.cjs","names":["flattenHeaders","getTestId","matchFixture","applyChaos","proxyAndRecord","isErrorResponse","isAudioResponse","FORMAT_TO_CONTENT_TYPE"],"sources":["../src/speech.ts"],"sourcesContent":["import type * as http from \"node:http\";\nimport type { ChatCompletionRequest, Fixture, HandlerDefaults } from \"./types.js\";\nimport {\n isAudioResponse,\n isErrorResponse,\n flattenHeaders,\n getTestId,\n FORMAT_TO_CONTENT_TYPE,\n} from \"./helpers.js\";\nimport { matchFixture } from \"./router.js\";\nimport { writeErrorResponse } from \"./sse-writer.js\";\nimport type { Journal } from \"./journal.js\";\nimport { applyChaos } from \"./chaos.js\";\nimport { proxyAndRecord } from \"./recorder.js\";\n\ninterface SpeechRequest {\n model?: string;\n input: string;\n voice?: string;\n response_format?: string;\n speed?: number;\n [key: string]: unknown;\n}\n\nexport async function handleSpeech(\n req: http.IncomingMessage,\n res: http.ServerResponse,\n raw: string,\n fixtures: Fixture[],\n journal: Journal,\n defaults: HandlerDefaults,\n setCorsHeaders: (res: http.ServerResponse) => void,\n): Promise {\n setCorsHeaders(res);\n const path = req.url ?? \"/v1/audio/speech\";\n const method = req.method ?? \"POST\";\n\n let speechReq: SpeechRequest;\n try {\n speechReq = JSON.parse(raw) as SpeechRequest;\n } catch {\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: null,\n response: { status: 400, fixture: null },\n });\n writeErrorResponse(\n res,\n 400,\n JSON.stringify({\n error: { message: \"Malformed JSON\", type: \"invalid_request_error\", code: \"invalid_json\" },\n }),\n );\n return;\n }\n\n if (!speechReq.input) {\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: null,\n response: { status: 400, fixture: null },\n });\n writeErrorResponse(\n res,\n 400,\n JSON.stringify({\n error: { message: \"Missing required parameter: 'input'\", type: \"invalid_request_error\" },\n }),\n );\n return;\n }\n\n const syntheticReq: ChatCompletionRequest = {\n model: speechReq.model ?? \"tts-1\",\n messages: [{ role: \"user\", content: speechReq.input }],\n _endpointType: \"speech\",\n };\n\n const testId = getTestId(req);\n const fixture = matchFixture(\n fixtures,\n syntheticReq,\n journal.getFixtureMatchCountsForTest(testId),\n defaults.requestTransform,\n );\n\n if (fixture) {\n journal.incrementFixtureMatchCount(fixture, fixtures, testId);\n defaults.logger.debug(`Fixture matched: ${JSON.stringify(fixture.match).slice(0, 120)}`);\n } else {\n defaults.logger.debug(`No fixture matched for request`);\n }\n\n if (\n applyChaos(\n res,\n fixture,\n defaults.chaos,\n req.headers,\n journal,\n { method, path, headers: flattenHeaders(req.headers), body: syntheticReq },\n defaults.registry,\n defaults.logger,\n )\n )\n return;\n\n if (!fixture) {\n if (defaults.record) {\n const proxied = await proxyAndRecord(\n req,\n res,\n syntheticReq,\n \"openai\",\n req.url ?? \"/v1/audio/speech\",\n fixtures,\n defaults,\n raw,\n );\n if (proxied) {\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: syntheticReq,\n response: { status: res.statusCode ?? 200, fixture: null, source: \"proxy\" },\n });\n return;\n }\n }\n\n const strictStatus = defaults.strict ? 503 : 404;\n const strictMessage = defaults.strict\n ? \"Strict mode: no fixture matched\"\n : \"No fixture matched\";\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: syntheticReq,\n response: { status: strictStatus, fixture: null },\n });\n writeErrorResponse(\n res,\n strictStatus,\n JSON.stringify({\n error: { message: strictMessage, type: \"invalid_request_error\", code: \"no_fixture_match\" },\n }),\n );\n return;\n }\n\n const response = fixture.response;\n\n if (isErrorResponse(response)) {\n const status = response.status ?? 500;\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: syntheticReq,\n response: { status, fixture },\n });\n writeErrorResponse(res, status, JSON.stringify(response));\n return;\n }\n\n if (!isAudioResponse(response)) {\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: syntheticReq,\n response: { status: 500, fixture },\n });\n writeErrorResponse(\n res,\n 500,\n JSON.stringify({\n error: { message: \"Fixture response is not an audio type\", type: \"server_error\" },\n }),\n );\n return;\n }\n\n // Object-form audio is not supported for the speech endpoint — reject early\n if (typeof response.audio !== \"string\") {\n journal.add({\n method,\n path,\n headers: flattenHeaders(req.headers),\n body: syntheticReq,\n response: { status: 500, fixture },\n });\n writeErrorResponse(\n res,\n 500,\n JSON.stringify({\n error: {\n message:\n \"Object-form audio not supported for speech endpoint. 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