The directLine JS client prints welcome messages twice.

[dushyantg123]

import { DirectLine } from "botframework-directlinejs";
import { ConnectionStatus } from "botframework-directlinejs";
import readline from "node:readline";
import XMLHttpRequest from "xhr2";
import WebSocket from "ws";

global.XMLHttpRequest = XMLHttpRequest;
global.WebSocket = WebSocket;

// Create a readline interface for user input
var directLine = new DirectLine({
secret: "zzzzzzzzzzzzz",
conversationStartProperties: {
locale: "en-US",
},
});
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});

let initialBotResponseCaptured = false;

// Function to handle conversationUpdate events
function handleConversationUpdate(eventType, activity) {
console.log(handleConversationUpdate eventType=${eventType});
const membersAdded = activity.membersAdded;

if (membersAdded && membersAdded.length > 0) {
membersAdded.forEach((member) => {
if (member.id !== activity.recipient.id) {
console.log(Member added: ${member.name});
// Send a welcome message to the new member here if needed
}
});
}
}

// Function to handle message events
function handleMessage(eventType, activity) {
console.log(handleMessage eventType=${eventType});
console.log(Received message: ${JSON.stringify(activity)});
if (activity.inputHint) {
console.log("inside send post Activity");
rl.question("Caller Input: ", (userInput) => {
sendMessageToBot(userInput);
});
}
}

// Function to start the conversation
function startConversation() {
sendMessageToBot("Hello Bot");
directLine.activity$.subscribe({
next: (activity) => {
if (activity.type === "conversationUpdate") {
handleConversationUpdate("next", activity);
} else if (activity.type === "message") {
handleMessage("next", activity);
}
},
error: (err) => console.error(Error: ${err}),
complete: () => console.log("Observable completed"),
});
}
// Function to send a message to the bot
function sendMessageToBot(text) {
directLine
.postActivity({
from: { id: "user1" },
type: "message",
text: text,
})
.subscribe({
next: (id) => console.log(Posted activity, assigned ID ${id}),
error: (error) => console.log(Error posting activity: ${error}),
complete: () => console.log("Post activity completed"),
});
}
// Start the conversation
startConversation();

Output
PS C:\development\NodeJSBotProject\botclient> node .\index.mjs
handleMessage eventType=next

• Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000000","timestamp":"2024-08-07T07:06:57.1163245Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"locale":"en-US","text":"Welcome to the Prescription Refill Bot Assistant!","speak":"Welcome to the Prescription Refill Bot Assistant!"}
• handleMessage eventType=next
• Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000001","timestamp":"2024-08-07T07:06:57.2545266Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"text":"Welcome to the Prescription Refill Bot Assistant!","speak":"Welcome to the Prescription Refill Bot Assistant!"}

handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000002","timestamp":"2024-08-07T07:06:57.2931043Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"locale":"en-US","text":"To get started with the prescription refill process, we will need the medical record number of the person for whom the prescription needs to be refilled.","speak":"To get started with the prescription refill process, we will need the medical record number of the person for whom the prescription needs to be refilled."}
handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000003","timestamp":"2024-08-07T07:06:57.4638809Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"text":"To get started with the prescription refill process, we will need the medical record number of the person for whom the prescription needs to be refilled.","speak":"To get started with the prescription refill process, we will need the medical record number of the person for whom the prescription needs to be refilled."}
handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000004","timestamp":"2024-08-07T07:06:57.5291907Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"locale":"en-US","text":"please enter your medical record number","speak":"please enter your medical record number","inputHint":"expectingInput"}
inside send post Activity
Caller Input: handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000005","timestamp":"2024-08-07T07:06:57.7230876Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"text":"please enter your medical record number","speak":"please enter your medical record number","inputHint":"expectingInput"}
inside send post Activity
Caller Input: handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000006","timestamp":"2024-08-07T07:06:56.6976734Z","serviceUrl":"https://directline.botframework.com/","channelId":"directline","from":{"id":"user1"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"recipient":{"id":"testbot@m298axTo5bQ","name":"testbot"},"text":"Hello Bot"}
handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000007","timestamp":"2024-08-07T07:06:58.0691691Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"text":"The collected MRN is HelloBot","speak":"The collected MRN is HelloBot","replyToId":"GWomcz8GjLjJQZu60J1amB-us|0000006"}
handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000008","timestamp":"2024-08-07T07:06:58.285815Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"text":"Now, lets get going with prescription refill process.","speak":"Now, lets get going with prescription refill process.","replyToId":"GWomcz8GjLjJQZu60J1amB-us|0000006"}
handleMessage eventType=next
Received message: {"type":"message","id":"GWomcz8GjLjJQZu60J1amB-us|0000009","timestamp":"2024-08-07T07:06:58.4965762Z","channelId":"directline","from":{"id":"testbot","name":"testbot"},"conversation":{"id":"GWomcz8GjLjJQZu60J1amB-us"},"text":"Tell me the prescription you would like to refill.","speak":"Tell me the prescription you would like to refill.","inputHint":"expectingInput","replyToId":"GWomcz8GjLjJQZu60J1amB-us|0000006"}
inside send post Activity
Caller Input: Posted activity, assigned ID GWomcz8GjLjJQZu60J1amB-us|0000006
Post activity completed

How can I have client see only messages meant for the client? It seems at the conversationUpdate event is generated twice - once for client and once for the bot...but how can I suppress this generation within the bot composer application which is where this application is built? Please assist.

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