Export KittenTTS models (#3604)

.github/workflows/export-kitten.yaml

@@ -3,7 +3,7 @@ name: export-kitten-to-onnx
 on:
   push:
     branches:
-      - kitten-0.2
+      - update-kitten
 
   workflow_dispatch:
 
@@ -174,7 +174,7 @@ jobs:
               echo "$d exists"
               rm -rf huggingface
 
-              git clone https://csukuangfj:$HF_TOKEN@huggingface.co/csukuangfj/$d huggingface
+              git clone https://csukuangfj2:$HF_TOKEN@huggingface.co/csukuangfj2/$d huggingface
               cd huggingface
               rm -rf ./*
 
@@ -194,5 +194,5 @@ jobs:
               git status
 
               git commit -m "add models"
-              git push https://csukuangfj:$HF_TOKEN@huggingface.co/csukuangfj/$d main || true
+              git push https://csukuangfj2:$HF_TOKEN@huggingface.co/csukuangfj2/$d main || true
             done

wasm/tts/sherpa-onnx-tts.node.js

@@ -1060,6 +1060,13 @@ function createOfflineTts(Module, myConfig) {
       offlineTtsPocketModelConfig.vocabJson = './vocab.json';
       offlineTtsPocketModelConfig.tokenScoresJson = './token_scores.json';
       break;
+    case 6:
+      // KittenTTS
+      offlineTtsKittenModelConfig.model = './model.onnx';
+      offlineTtsKittenModelConfig.voices = './voices.bin';
+      offlineTtsKittenModelConfig.tokens = './tokens.txt';
+      offlineTtsKittenModelConfig.dataDir = './espeak-ng-data';
+      break;
   }
 
   const offlineTtsModelConfig = {

wasm/tts/sync-tts-node.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+# Synchronize sherpa-onnx-tts.node.js from sherpa-onnx-tts.js.
+# The only difference should be the export mechanism:
+#   sherpa-onnx-tts.js      uses ES module: export { ... }
+#   sherpa-onnx-tts.node.js uses CommonJS:  module.exports = { ... }
+
+import os
+import re
+
+dir_path = os.path.dirname(os.path.abspath(__file__))
+src = os.path.join(dir_path, "sherpa-onnx-tts.js")
+dst = os.path.join(dir_path, "sherpa-onnx-tts.node.js")
+
+with open(src) as f:
+    content = f.read()
+
+# Replace ES module export with CommonJS module.exports
+content = re.sub(
+    r"export \{[^}]*\};",
+    """if (typeof process == 'object' && typeof process.versions == 'object' &&\\n    typeof process.versions.node == 'string') {\\n  module.exports = {\\n    createOfflineTts,\\n    getDefaultOfflineTtsModelType,\\n  };\\n}""",
+    content,
+)
+
+with open(dst, "w") as f:
+    f.write(content)
+
+print(f"Updated {dst} from {src}")