Update

app.js

@@ -1,4 +1,3 @@
-import { EventEmitter } from 'events';
 import Hyperswarm from 'hyperswarm';
 import crypto from 'hypercore-crypto';
 import b4a from 'b4a';
@@ -13,20 +12,16 @@ const drive = new Hyperdrive(store);
 
 await drive.ready();
 
-class ChatHandler extends EventEmitter {
+let swarm;
-  constructor() {
+let userName = 'Anonymous';
-    super();
+let userAvatar = '';
-    this.userName = 'Anonymous';
+let registeredUsers = JSON.parse(localStorage.getItem('registeredUsers')) || {};
-    this.userAvatar = '';
+let peerCount = 0;
-    this.registeredUsers = JSON.parse(localStorage.getItem('registeredUsers')) || {};
+let currentRoom = null;
-    this.peerCount = 0;
-    this.currentRoom = null;
-    this.swarm = new Hyperswarm();
 
-    this.initialize();
+async function initialize() {
-  }
+  swarm = new Hyperswarm();
 
-  async initialize() {
   const servePort = 1337;
   const serve = new ServeDrive({ port: servePort, get: ({ key, filename, version }) => drive });
   await serve.ready();
@@ -41,7 +36,7 @@ class ChatHandler extends EventEmitter {
   const removeRoomBtn = document.querySelector('#remove-room-btn');
 
   if (registerForm) {
-      registerForm.addEventListener('submit', (e) => this.registerUser(e));
+    registerForm.addEventListener('submit', registerUser);
   }
   if (selectAvatarButton) {
     selectAvatarButton.addEventListener('click', () => {
@@ -49,19 +44,19 @@ class ChatHandler extends EventEmitter {
     });
   }
   if (createChatRoomButton) {
-      createChatRoomButton.addEventListener('click', () => this.createChatRoom());
+    createChatRoomButton.addEventListener('click', createChatRoom);
   }
   if (joinChatRoomButton) {
-      joinChatRoomButton.addEventListener('click', (e) => this.joinChatRoom(e));
+    joinChatRoomButton.addEventListener('click', joinChatRoom);
   }
   if (messageForm) {
-      messageForm.addEventListener('submit', (e) => this.sendMessage(e));
+    messageForm.addEventListener('submit', sendMessage);
   }
   if (toggleSetupBtn) {
-      toggleSetupBtn.addEventListener('click', () => this.toggleSetupView());
+    toggleSetupBtn.addEventListener('click', toggleSetupView);
   }
   if (removeRoomBtn) {
-      removeRoomBtn.addEventListener('click', () => this.leaveRoom());
+    removeRoomBtn.addEventListener('click', leaveRoom);
   }
 
   const registerDiv = document.querySelector('#register');
@@ -69,43 +64,58 @@ class ChatHandler extends EventEmitter {
     registerDiv.classList.remove('hidden');
   }
 
-    this.swarm.on('connection', async (connection, info) => {
+  swarm.on('connection', async (connection, info) => {
-      this.peerCount++;
+    console.log('New connection established');
-      this.updatePeerCount();
+    peerCount++;
+    updatePeerCount();
 
-      const iconBuffer = await drive.get(`/icons/${this.userName}.png`);
+    const iconBuffer = await drive.get(`/icons/${userName}.png`);
     if (iconBuffer) {
       const iconMessage = JSON.stringify({
         type: 'icon',
-          username: this.userName,
+        username: userName,
         avatar: iconBuffer.toString('base64'),
       });
+      console.log('Sending icon:', iconMessage);
       connection.write(iconMessage);
+    } else {
+      console.log('Icon not found for user:', userName);
     }
 
-      connection.on('data', (data) => this.emit('onMessage', data, connection));
+    connection.on('data', async (data) => {
+      const messageObj = JSON.parse(data.toString());
+      console.log('Received message:', messageObj);
+      if (messageObj.type === 'icon') {
+        const username = messageObj.username;
+        const avatarBuffer = Buffer.from(messageObj.avatar, 'base64');
+        await drive.put(`/icons/${username}.png`, avatarBuffer);
+        updateIcon(username, avatarBuffer);
+      } else {
+        onMessageAdded(messageObj.name, messageObj.message, messageObj.avatar);
+      }
+    });
+
     connection.on('close', () => {
-        this.peerCount--;
+      console.log('Connection closed');
-        this.updatePeerCount();
+      peerCount--;
+      updatePeerCount();
     });
   });
 
-    this.swarm.on('error', (err) => {
+  swarm.on('error', (err) => {
     console.error('Swarm error:', err);
   });
 
-    this.swarm.on('close', () => {
+  swarm.on('close', () => {
     console.log('Swarm closed');
   });
+}
 
-    this.on('onMessage', async (data, connection) => this.handleMessage(data, connection));
+function registerUser(e) {
-  }
-
-  async registerUser(e) {
   e.preventDefault();
   const regUsername = document.querySelector('#reg-username').value;
 
-    if (this.registeredUsers[regUsername]) {
+  if (registeredUsers[regUsername]) {
     alert('Username already taken. Please choose another.');
     return;
   }
@@ -116,18 +126,18 @@ class ChatHandler extends EventEmitter {
     reader.onload = (event) => {
       const buffer = new Uint8Array(event.target.result);
       drive.put(`/icons/${regUsername}.png`, buffer);
-        this.userAvatar = URL.createObjectURL(new Blob([buffer]));
+      userAvatar = URL.createObjectURL(new Blob([buffer]));
-        this.registeredUsers[regUsername] = this.userAvatar;
+      registeredUsers[regUsername] = userAvatar;
-        localStorage.setItem('registeredUsers', JSON.stringify(this.registeredUsers));
+      localStorage.setItem('registeredUsers', JSON.stringify(registeredUsers));
-        this.continueRegistration(regUsername);
+      continueRegistration(regUsername);
     };
     reader.readAsArrayBuffer(avatarFile);
   } else {
-      this.continueRegistration(regUsername);
+    continueRegistration(regUsername);
-    }
   }
+}
 
-  async continueRegistration(regUsername) {
+async function continueRegistration(regUsername) {
   const loadingDiv = document.querySelector('#loading');
   const setupDiv = document.querySelector('#setup');
 
@@ -136,39 +146,39 @@ class ChatHandler extends EventEmitter {
     return;
   }
 
-    this.userName = regUsername;
+  userName = regUsername;
   setupDiv.classList.remove('hidden');
   document.querySelector('#register').classList.add('hidden');
   loadingDiv.classList.add('hidden');
 
   const randomTopic = crypto.randomBytes(32);
-    document.querySelector('#chat-room-topic').innerText = this.truncateHash(b4a.toString(randomTopic, 'hex'));
+  document.querySelector('#chat-room-topic').innerText = truncateHash(b4a.toString(randomTopic, 'hex'));
-  }
+}
 
-  async createChatRoom() {
+async function createChatRoom() {
   const topicBuffer = crypto.randomBytes(32);
   const topic = b4a.toString(topicBuffer, 'hex');
-    this.addRoomToList(topic);
+  addRoomToList(topic);
-    this.joinSwarm(topicBuffer);
+  joinSwarm(topicBuffer);
-  }
+}
 
-  async joinChatRoom(e) {
+async function joinChatRoom(e) {
   e.preventDefault();
   const topicStr = document.querySelector('#join-chat-room-topic').value;
   const topicBuffer = b4a.from(topicStr, 'hex');
-    this.addRoomToList(topicStr);
+  addRoomToList(topicStr);
-    this.joinSwarm(topicBuffer);
+  joinSwarm(topicBuffer);
-  }
+}
 
-  async joinSwarm(topicBuffer) {
+async function joinSwarm(topicBuffer) {
-    if (this.currentRoom) {
+  if (currentRoom) {
-      this.currentRoom.destroy();
+    currentRoom.destroy();
   }
 
   document.querySelector('#setup').classList.add('hidden');
   document.querySelector('#loading').classList.remove('hidden');
 
-    const discovery = this.swarm.join(topicBuffer, { client: true, server: true });
+  const discovery = swarm.join(topicBuffer, { client: true, server: true });
   await discovery.flushed();
 
   const topic = b4a.toString(topicBuffer, 'hex');
@@ -176,77 +186,65 @@ class ChatHandler extends EventEmitter {
   document.querySelector('#loading').classList.add('hidden');
   document.querySelector('#chat').classList.remove('hidden');
 
-    this.currentRoom = discovery;
+  currentRoom = discovery;
-    this.clearMessages();
+  clearMessages();
-  }
+}
 
-  addRoomToList(topic) {
+function addRoomToList(topic) {
   const roomList = document.querySelector('#room-list');
   const roomItem = document.createElement('li');
-    roomItem.textContent = this.truncateHash(topic);
+  roomItem.textContent = truncateHash(topic);
   roomItem.dataset.topic = topic;
-    roomItem.addEventListener('click', () => this.switchRoom(topic));
+  roomItem.addEventListener('click', () => switchRoom(topic));
   roomList.appendChild(roomItem);
-  }
+}
 
-  switchRoom(topic) {
+function switchRoom(topic) {
   const topicBuffer = b4a.from(topic, 'hex');
-    this.joinSwarm(topicBuffer);
+  joinSwarm(topicBuffer);
-  }
+}
 
-  leaveRoom() {
+function leaveRoom() {
-    if (this.currentRoom) {
+  if (currentRoom) {
-      const topic = b4a.toString(this.currentRoom.topic, 'hex');
+    const topic = b4a.toString(currentRoom.topic, 'hex');
     const roomItem = document.querySelector(`li[data-topic="${topic}"]`);
     if (roomItem) {
       roomItem.remove();
     }
-      this.currentRoom.destroy();
+    currentRoom.destroy();
-      this.currentRoom = null;
+    currentRoom = null;
   }
   document.querySelector('#chat').classList.add('hidden');
   document.querySelector('#setup').classList.remove('hidden');
-  }
+}
 
-  sendMessage(e) {
+function sendMessage(e) {
   e.preventDefault();
   const message = document.querySelector('#message').value;
   document.querySelector('#message').value = '';
 
-    this.onMessageAdded(this.userName, message, this.userAvatar);
+  onMessageAdded(userName, message, userAvatar);
 
   const messageObj = JSON.stringify({
     type: 'message',
-      name: this.userName,
+    name: userName,
     message,
-      avatar: this.userAvatar,
+    avatar: userAvatar,
     timestamp: Date.now(),
   });
 
-    const peers = [...this.swarm.connections];
+  const peers = [...swarm.connections];
   for (const peer of peers) {
     peer.write(messageObj);
   }
-  }
+}
 
-  async handleMessage(data, connection) {
+function scrollToBottom() {
-    const messageObj = JSON.parse(data.toString());
-    if (messageObj.type === 'icon') {
-      const username = messageObj.username;
-      const avatarBuffer = Buffer.from(messageObj.avatar, 'base64');
-      await drive.put(`/icons/${username}.png`, avatarBuffer);
-      this.updateIcon(username, avatarBuffer);
-    } else {
-      this.onMessageAdded(messageObj.name, messageObj.message, messageObj.avatar);
-    }
-  }
-
-  scrollToBottom() {
   var container = document.getElementById("messages-container");
   container.scrollTop = container.scrollHeight;
-  }
+}
 
-  onMessageAdded(from, message, avatar) {
+function onMessageAdded(from, message, avatar) {
   const $div = document.createElement('div');
   $div.classList.add('message');
 
@@ -273,35 +271,37 @@ class ChatHandler extends EventEmitter {
   $div.appendChild($content);
 
   document.querySelector('#messages').appendChild($div);
-    this.scrollToBottom();
+  scrollToBottom();
-  }
+}
 
-  truncateHash(hash) {
+function truncateHash(hash) {
   return `${hash.slice(0, 6)}...${hash.slice(-6)}`;
-  }
+}
 
-  async updateIcon(username, avatarBuffer) {
+async function updateIcon(username, avatarBuffer) {
   const userIcon = document.querySelector(`img[src*="${username}.png"]`);
   if (userIcon) {
     userIcon.src = URL.createObjectURL(new Blob([avatarBuffer]));
+  } else {
+    const imgElements = document.querySelectorAll('img');  // Find all img elements
+    imgElements.forEach(img => {
+      if (img.src.endsWith(`${username}.png`)) {  // Update if it matches the username
+        img.src = URL.createObjectURL(new Blob([avatarBuffer]));
       }
+    });
   }
+}
 
-  clearMessages() {
+function clearMessages() {
   const messagesContainer = document.querySelector('#messages');
   while (messagesContainer.firstChild) {
     messagesContainer.removeChild(messagesContainer.firstChild);
   }
-  }
-
-  toggleSetupView() {
-    const setupDiv = document.querySelector('#setup');
-    setupDiv.classList.toggle('hidden');
-  }
-
-  updatePeerCount() {
-    // Implement this method based on your needs to update the peer count in the UI
-  }
 }
 
-new ChatHandler();
+function toggleSetupView() {
+  const setupDiv = document.querySelector('#setup');
+  setupDiv.classList.toggle('hidden');
+}
+
+initialize();