Add WebAssembly for NodeJS. (#628)

nodejs-examples/test-offline-tts-en.js

@@ -1,28 +1,45 @@
-// Copyright (c)  2023  Xiaomi Corporation (authors: Fangjun Kuang)
+// Copyright (c)  2023-2024  Xiaomi Corporation (authors: Fangjun Kuang)
 
 const sherpa_onnx = require('sherpa-onnx');
 
 function createOfflineTts() {
-  const vits = new sherpa_onnx.OfflineTtsVitsModelConfig();
-  vits.model = 'vits-piper-en_US-amy-low/en_US-amy-low.onnx'
-  vits.tokens = './vits-piper-en_US-amy-low/tokens.txt';
-  vits.dataDir = './vits-piper-en_US-amy-low/espeak-ng-data'
+  let offlineTtsVitsModelConfig = {
+    model: './vits-piper-en_US-amy-low/en_US-amy-low.onnx',
+    lexicon: '',
+    tokens: './vits-piper-en_US-amy-low/tokens.txt',
+    dataDir: './vits-piper-en_US-amy-low/espeak-ng-data',
+    noiseScale: 0.667,
+    noiseScaleW: 0.8,
+    lengthScale: 1.0,
+  };
+  let offlineTtsModelConfig = {
+    offlineTtsVitsModelConfig: offlineTtsVitsModelConfig,
+    numThreads: 1,
+    debug: 1,
+    provider: 'cpu',
+  };
 
-  const modelConfig = new sherpa_onnx.OfflineTtsModelConfig();
-  modelConfig.vits = vits;
+  let offlineTtsConfig = {
+    offlineTtsModelConfig: offlineTtsModelConfig,
+    ruleFsts: '',
+    maxNumSentences: 1,
+  };
 
-  const config = new sherpa_onnx.OfflineTtsConfig();
-  config.model = modelConfig;
-
-  return new sherpa_onnx.OfflineTts(config);
+  return sherpa_onnx.createOfflineTts(offlineTtsConfig);
 }
 
+
 const tts = createOfflineTts();
 const speakerId = 0;
 const speed = 1.0;
-const audio = tts.generate(
-    '“Today as always, men fall into two groups: slaves and free men. Whoever does not have two-thirds of his day for himself, is a slave, whatever he may be: a statesman, a businessman, an official, or a scholar.”',
-    speakerId, speed);
-audio.save('./test-en.wav');
+const audio = tts.generate({
+  text:
+      '“Today as always, men fall into two groups: slaves and free men. Whoever does not have two-thirds of his day for himself, is a slave, whatever he may be: a statesman, a businessman, an official, or a scholar.”',
+  sid: speakerId,
+  speed: speed
+});
+
+tts.save('./test-en.wav', audio);
 console.log('Saved to test-en.wav successfully.');
+
 tts.free();