end stream when mic access is not avaliable

Author: nfriedly

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+### v0.27.1
+* stream from recognizeMicrophone emits an `end` event when microphone access is not avaliable
+
 ### v0.27.0
 * TimingStream rewrite - now emits exact results received from the service, always in the exact order recieved
   * old version created extra interim results and could emit speaker_labels before their matching final result in certain circumstances

speech-to-text/recognize-microphone.js

@@ -132,6 +132,9 @@ module.exports = function recognizeMicrophone(options) {
 
   getMicStream.catch(function(err) {
     stream.emit('error', err);
+    if (err.name == 'NotSupportedError') {
+      stream.end(); // end the stream
+    }
   });
 
   getMicStream.then(function(micStream) {