Add more streaming ASR methods for node-addon-api (#860)

scripts/node-addon-api/lib/streaming-asr.js

@@ -1,5 +1,15 @@
 const addon = require('./addon.js');
 
+class Display {
+  constructor(maxWordPerline) {
+    this.handle = addon.createDisplay(maxWordPerline);
+  }
+
+  print(idx, text) {
+    addon.print(this.handle, idx, text)
+  }
+}
+
 class OnlineStream {
   constructor(handle) {
     this.handle = handle;
@@ -10,11 +20,16 @@ class OnlineStream {
     addon.acceptWaveformOnline(
         this.handle, {samples: samples, sampleRate: sampleRate})
   }
+
+  inputFinished() {
+    addon.inputFinished(this.handle)
+  }
 }
 
 class OnlineRecognizer {
   constructor(config) {
     this.handle = addon.createOnlineRecognizer(config);
+    this.config = config
   }
 
   createStream() {
@@ -30,6 +45,14 @@ class OnlineRecognizer {
     addon.decodeOnlineStream(this.handle, stream.handle);
   }
 
+  isEndpoint(stream) {
+    return addon.isEndpoint(this.handle, stream.handle);
+  }
+
+  reset(stream) {
+    addon.reset(this.handle, stream.handle);
+  }
+
   getResult(stream) {
     const jsonStr =
         addon.getOnlineStreamResultAsJson(this.handle, stream.handle);
@@ -38,4 +61,7 @@ class OnlineRecognizer {
   }
 }
 
-module.exports = {OnlineRecognizer}
+module.exports = {
+  OnlineRecognizer,
+  Display
+}