block22.js

// server/src/services/vonage/vonage.js
// import the npm package
const Vonage = require('@vonage/server-sdk');
// import the Vonage credentials from the environment variables
const { vonageApiKey : apiKey, vonageApiSecret : apiSecret } = require('../../util/envs');

// define the Vonage client
let instance = null;

const getVonageClient = () => {
  // if the client is not already define then initialize it
  if (!instance) {
    instance = new Vonage({
      apiKey,
      apiSecret
    });
  }

  // return the client
  return instance
}

// export the function
module.exports = {
  getVonageClient
}