@tanstack/ai/dist/esm/activities/generateSpeech/index.js

Core TanStack AI library - Open source AI SDK

import { aiEventClient } from "@tanstack/ai-event-client";
import { streamGenerationResult } from "../stream-generation-result.js";
import { resolveDebugOption } from "../../logger/resolve.js";
const kind = "tts";
function createId(prefix) {
  return `${prefix}-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`;
}
function generateSpeech(options) {
  if (options.stream) {
    return streamGenerationResult(
      () => runGenerateSpeech(options)
    );
  }
  return runGenerateSpeech(options);
}
async function runGenerateSpeech(options) {
  const { adapter, stream: _stream, debug: _debug, ...rest } = options;
  const model = adapter.model;
  const requestId = createId("speech");
  const startTime = Date.now();
  const logger = resolveDebugOption(options.debug);
  const providerName = adapter.provider ?? adapter.name ?? "unknown";
  aiEventClient.emit("speech:request:started", {
    requestId,
    provider: adapter.name,
    model,
    text: rest.text,
    voice: rest.voice,
    format: rest.format,
    speed: rest.speed,
    modelOptions: rest.modelOptions,
    timestamp: startTime
  });
  logger.request(`activity=generateSpeech provider=${providerName}`, {
    provider: providerName,
    model
  });
  try {
    const result = await adapter.generateSpeech({ ...rest, model, logger });
    const duration = Date.now() - startTime;
    aiEventClient.emit("speech:request:completed", {
      requestId,
      provider: adapter.name,
      model,
      audio: result.audio,
      format: result.format,
      audioDuration: result.duration,
      contentType: result.contentType,
      duration,
      modelOptions: rest.modelOptions,
      timestamp: Date.now()
    });
    logger.output(`activity=generateSpeech bytes=${result.audio.length}`, {
      bytes: result.audio.length,
      contentType: result.contentType
    });
    return result;
  } catch (error) {
    logger.errors("generateSpeech activity failed", {
      error,
      source: "generateSpeech"
    });
    throw error;
  }
}
function createSpeechOptions(options) {
  return options;
}
export {
  createSpeechOptions,
  generateSpeech,
  kind
};
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