Save speech to text in local using node js - node.js

Question

I'm trying to replicate the code given at https://github.com/googleapis/nodejs-speech/blob/master/samples/recognize.js. There is no error when I run it locally. But here I'm confused on where can I see the result that is created. Is there a way that I can write the result to a file?
Here is the code.
const record = require('node-record-lpcm16');
// Imports the Google Cloud client library
const speech = require('#google-cloud/speech');
// Creates a client
const client = new speech.SpeechClient();
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
const encoding = 'LINEAR16';
const sampleRateHertz = 16000;
const languageCode = 'en-US';
const request = {
config: {
encoding: encoding,
sampleRateHertz: sampleRateHertz,
languageCode: languageCode,
},
interimResults: false, // If you want interim results, set this to true
};
// Create a recognize stream
const recognizeStream = client
.streamingRecognize(request)
.on('error', console.error)
.on('data', data =>
process.stdout.write(
data.results[0] && data.results[0].alternatives[0] ?
`Transcription: ${data.results[0].alternatives[0].transcript}\n` :
`\n\nReached transcription time limit, press Ctrl+C\n`
)
);
// Start recording and send the microphone input to the Speech API
record
.start({
sampleRateHertz: sampleRateHertz,
threshold: 0,
// Other options, see https://www.npmjs.com/package/node-record-lpcm16#options
verbose: false,
recordProgram: 'sox', // Try also "arecord" or "sox"
silence: '10.0',
})
.on('error', console.error)
.pipe(recognizeStream);
console.log('Listening, press Ctrl+C to stop.');
This is very confusing :(. please let me know how can I achieve this.
Thanks

Answer 1

It's in the "data". Please looking into the code and see how the console logs the data.
Example:
client
.recognize(request)
.then(data => {
const response = data[0];
const transcription = response.results
.map(result => result.alternatives[0].transcript)
.join('\n');
console.log(`Transcription: `, transcription);
})