Support adding puncutations to text for node-addon-api (#876)

nodejs-addon-examples/test_punctuation.js

@@ -0,0 +1,32 @@
+// Copyright (c)  2023-2024  Xiaomi Corporation (authors: Fangjun Kuang)
+
+const sherpa_onnx = require('sherpa-onnx-node');
+
+// Please download test files from
+// https://github.com/k2-fsa/sherpa-onnx/releases/tag/punctuation-models
+function createPunctuation() {
+  const config = {
+    model: {
+      ctTransformer:
+          './sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12/model.onnx',
+      debug: true,
+      numThreads: 1,
+      provider: 'cpu',
+    },
+  };
+  return new sherpa_onnx.Punctuation(config);
+}
+
+const punct = createPunctuation();
+const sentences = [
+  '这是一个测试你好吗How are you我很好thank you are you ok谢谢你',
+  '我们都是木头人不会说话不会动',
+  'The African blogosphere is rapidly expanding bringing more voices online in the form of commentaries opinions analyses rants and poetry',
+];
+console.log('---');
+for (let sentence of sentences) {
+  const punct_text = punct.addPunct(sentence);
+  console.log(`Input: ${sentence}`);
+  console.log(`Output: ${punct_text}`);
+  console.log('---');
+}