[NodeJS] Promises and async/await #12751

It would be nice if there was a grpc-tools and/or grpc_node_plugin option that would generate client and server code that follows the ES6 Promise and ES7 async/await model.

For example, instead of:

  [err, response] = await client.sayHello(request);

Or something similar. On the server side, instead of:

async function sayHello(call) {
  var reply = new messages.HelloReply();
  reply.setMessage('Hello ' + call.request.getName());
  return [null, reply]
}

Again, just ideas.

This feature would eliminate the need for wrapper code for users wanting to use this pattern. I would love to know if anyone is interested in this feature or planning on adding it. Thanks!