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fix: tts base url runtime read (#3341) (thanks @hclsys)

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Shakker
2026-01-28 23:30:29 +00:00
parent a7534dc223
commit 67f1402703
2 changed files with 16 additions and 7 deletions
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22
src/tts/tts.ts
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@@ -757,11 +757,19 @@ export const OPENAI_TTS_MODELS = ["gpt-4o-mini-tts", "tts-1", "tts-1-hd"] as con
* Custom OpenAI-compatible TTS endpoint.
* When set, model/voice validation is relaxed to allow non-OpenAI models.
* Example: OPENAI_TTS_BASE_URL=http://localhost:8880/v1
*
* Note: Read at runtime (not module load) to support config.env loading.
*/
const OPENAI_TTS_BASE_URL = (
process.env.OPENAI_TTS_BASE_URL?.trim() || "https://api.openai.com/v1"
).replace(/\/+$/, "");
const isCustomOpenAIEndpoint = OPENAI_TTS_BASE_URL !== "https://api.openai.com/v1";
function getOpenAITtsBaseUrl(): string {
return (process.env.OPENAI_TTS_BASE_URL?.trim() || "https://api.openai.com/v1").replace(
/\/+$/,
"",
);
}
function isCustomOpenAIEndpoint(): boolean {
return getOpenAITtsBaseUrl() !== "https://api.openai.com/v1";
}
export const OPENAI_TTS_VOICES = [
"alloy",
"ash",
@@ -778,13 +786,13 @@ type OpenAiTtsVoice = (typeof OPENAI_TTS_VOICES)[number];
function isValidOpenAIModel(model: string): boolean {
// Allow any model when using custom endpoint (e.g., Kokoro, LocalAI)
if (isCustomOpenAIEndpoint) return true;
if (isCustomOpenAIEndpoint()) return true;
return OPENAI_TTS_MODELS.includes(model as (typeof OPENAI_TTS_MODELS)[number]);
}
function isValidOpenAIVoice(voice: string): voice is OpenAiTtsVoice {
// Allow any voice when using custom endpoint (e.g., Kokoro Chinese voices)
if (isCustomOpenAIEndpoint) return true;
if (isCustomOpenAIEndpoint()) return true;
return OPENAI_TTS_VOICES.includes(voice as OpenAiTtsVoice);
}
@@ -1011,7 +1019,7 @@ async function openaiTTS(params: {
const timeout = setTimeout(() => controller.abort(), timeoutMs);
try {
const response = await fetch(`${OPENAI_TTS_BASE_URL}/audio/speech`, {
const response = await fetch(`${getOpenAITtsBaseUrl()}/audio/speech`, {
method: "POST",
headers: {
Authorization: `Bearer ${apiKey}`,