fix prev commit

lib/add-file-to-cache.js

@@ -4,10 +4,11 @@ const EXPIRES = (process.env.JAMBONES_TTS_CACHE_DURATION_MINS || 4 * 60) * 60; /
 
 async function addFileToCache(client, logger, path,
   {account_sid, vendor, language, voice, deploymentId, engine, text}) {
+  let key;
   logger = logger || noopLogger;
 
   try {
-    const key = makeSynthKey({
+    key = makeSynthKey({
       account_sid,
       vendor,
       language: language || '',
@@ -15,15 +16,15 @@ async function addFileToCache(client, logger, path,
       engine,
       text,
     });
-    const audioBuffer = fs.readFile(path);
+    const audioBuffer = await fs.readFile(path);
     await client.setex(key, EXPIRES, audioBuffer.toString('base64'));
   } catch (err) {
     logger.error(err, 'addFileToCache: Error');
-    return false;
+    return;
   }
 
-  logger.debug(`addFileToCache: added ${path} to cache`);
-  return true;
+  logger.debug(`addFileToCache: added ${path} to cache with key ${key}`);
+  return key;
 }
 
 module.exports = addFileToCache;

lib/synth-audio.js

@@ -143,6 +143,10 @@ async function synthAudio(client, logger, stats, { account_sid,
     (
       process.env.JAMBONES_TTS_TRIM_SILENCE &&
       ['microsoft', 'azure'].includes(vendor)
+    ) ||
+    (
+      process.env.JAMBONES_ELEVENLABS_STREAMING &&
+      vendor === 'elevenlabs'
     )
   ) {
     filePath = `${TMP_FOLDER}/${key.replace('tts:', `tts-${salt || ''}`)}.r8`;