TextToSpeechFactory.ts•2.15 kB
/**
* Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
* http://github.com/fonoster/fonoster
*
* This file is part of Fonoster
*
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { getLogger } from "@fonoster/logger";
import { AbstractTextToSpeech } from "./AbstractTextToSpeech";
import { Azure, ENGINE_NAME as AZURE_ENGINE_NAME } from "./Azure";
import { Deepgram, ENGINE_NAME as DEEPGRAM_ENGINE_NAME } from "./Deepgram";
import {
ENGINE_NAME as ELEVEN_LABS_ENGINE_NAME,
ElevenLabs
} from "./ElevenLabs";
import { Google, ENGINE_NAME as GOOGLE_ENGINE_NAME } from "./Google";
const logger = getLogger({ service: "apiserver", filePath: __filename });
type EngineConstructor<T> = new (options: T) => AbstractTextToSpeech<string>;
class TextToSpeechFactory {
private static readonly engines: Map<string, EngineConstructor<unknown>> =
new Map();
static registerEngine<T>(name: string, ctor: EngineConstructor<T>) {
logger.verbose("registering tts engine", { name });
this.engines.set(name, ctor);
}
static getEngine<T>(
engineName: string,
config: T
): AbstractTextToSpeech<string> {
const EngineConstructor = this.engines.get(engineName);
if (!EngineConstructor) {
throw new Error(`Engine ${engineName} not found`);
}
return new EngineConstructor(config);
}
}
// Register engines
TextToSpeechFactory.registerEngine(GOOGLE_ENGINE_NAME, Google);
TextToSpeechFactory.registerEngine(AZURE_ENGINE_NAME, Azure);
TextToSpeechFactory.registerEngine(DEEPGRAM_ENGINE_NAME, Deepgram);
TextToSpeechFactory.registerEngine(ELEVEN_LABS_ENGINE_NAME, ElevenLabs);
export { TextToSpeechFactory };