node-socket.io-chat-app
How To Use
- Clone this repo to your computer
- "npm install" to install necessary modules
- "npm start" to start the app
Notes :-
// To connect socket.io server
const io = socketio(server);
io.on('connection',socket => {
socket.on('connect', () => {
// either with send()
socket.send('someone join the chat');
});
// sending to the client
socket.emit('hello', 'can you hear me?', 1, 2, 'abc');
// sending to all clients except sender
socket.broadcast.emit('broadcast', 'hello friends!');
// sending to all clients in 'game' room except sender
socket.to('game').emit('nice game', "let's play a game");
// sending to all clients in 'game1' and/or in 'game2' room, except sender
socket.to('game1').to('game2').emit('nice game', "let's play a game (too)");
// sending to all clients in 'game' room, including sender
io.in('game').emit('big-announcement', 'the game will start soon');
// sending to all clients in namespace 'myNamespace', including sender
io.of('myNamespace').emit('bigger-announcement', 'the tournament will start soon');
// sending to a specific room in a specific namespace, including sender
io.of('myNamespace').to('room').emit('event', 'message');
// sending to individual socketid (private message)
io.to(socketId).emit('hey', 'I just met you');
// sending with acknowledgement
socket.emit('question', 'do you think so?', function (answer) {});
// sending without compression
socket.compress(false).emit('uncompressed', "that's rough");
// sending a message that might be dropped if the client is not ready to receive messages
socket.volatile.emit('maybe', 'do you really need it?');
// specifying whether the data to send has binary data
socket.binary(false).emit('what', 'I have no binaries!');
// sending to all clients on this node (when using multiple nodes)
io.local.emit('hi', 'my lovely babies');
// sending to all connected clients
io.emit('an event sent to all connected clients');
})
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