support for acknowledgements

[w-utter]

support for socket.io's request-response "acknowledgements", which allows for an optional callback at the end of an event listeners parameters ( more at https://socket.io/docs/v4/emitting-events ). Unless there is already a existing api that this library uses which does something similar, in which case could I please be redirected to what i need to use for it.

[zishang520]

There are some issues with this feature and it doesn't work properly. Please be patient with my next release to fix it.

[zishang520]

Hello, v1.0.17 can be used normally, the following is the code snippet:
server:

io.On("connection", func(clients ...any) {
    client := clients[0].(*socket.Socket)
    client.On("chat message", func(msgs ...any) {
        // Send
        client.Timeout(3*time.Second).Emit("chat message", map[string]any{
            "message": types.NewStringBufferString("test"),
        }, func(anys ...any) {
            utils.Log().Success("message %v", anys)
        })
    })
    client.On("update item", func(anys ...any) {
        anys[2].(func(...any))(map[string]string{
            "status": "ok",
        })
        utils.Log().Success("update item %v", anys)
    })
})

client:

socket.timeout(3000).emit("update item", "1", { name: "updated" }, (err, response) => {
    console.log(err); // null or new Error
    console.log(response.status); // ok
});
socket.on('chat message', (msg, callback) => {
    callback({
        aa: 1
    })
});

For other usage methods, please refer to the official documentation of socket.io. Thanks for your support.

[zishang520]

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