From 51b42748e5181dafadcf0acc0fb0b5e714358e29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A1=BE=E7=9C=9F=E7=89=9B?=
 <82481660+cgisky1980@users.noreply.github.com>
Date: Sat, 8 Feb 2025 08:25:19 +0800
Subject: [PATCH] Update sherpa-onnx-tts.js  VitsModelConfig.model can be none
 (#1817)

* Update sherpa-onnx-tts.js  VitsModelConfig.model can be none

* Update sherpa-onnx-tts.js
---
 wasm/tts/sherpa-onnx-tts.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wasm/tts/sherpa-onnx-tts.js b/wasm/tts/sherpa-onnx-tts.js
index e08c9e8d..5c09050c 100644
--- a/wasm/tts/sherpa-onnx-tts.js
+++ b/wasm/tts/sherpa-onnx-tts.js
@@ -21,7 +21,7 @@ function freeConfig(config, Module) {
 
 // The user should free the returned pointers
 function initSherpaOnnxOfflineTtsVitsModelConfig(config, Module) {
-  const modelLen = Module.lengthBytesUTF8(config.model) + 1;
+  const modelLen = Module.lengthBytesUTF8(config.model  || '')+ 1;
   const lexiconLen = Module.lengthBytesUTF8(config.lexicon || '') + 1;
   const tokensLen = Module.lengthBytesUTF8(config.tokens || '') + 1;
   const dataDirLen = Module.lengthBytesUTF8(config.dataDir || '') + 1;