rws-js-client/src/services/_ws_handlers/MessageHandler.ts

client for RWS frontend

import { WSInstance } from '../WSService';

function listenForMessage(instance: WSInstance, callback: (data: any, isJson?: boolean) => void, method?: string): WSInstance {
    if (!instance.socket()) {
        throw new Error('socket is not active');
    }

    instance.socket().on(method || 'message', (data: any) => {
        try {            
            const parsedData = JSON.parse(data);
            if (!!method && parsedData.method === method) {                              
                callback(parsedData, true);
                instance.executeEventListener('ws:message_received', { message: parsedData });

            } else if (!method) {
                callback(parsedData, true);
            }            
        } catch (e) {
            console.error(e);
            
            if (!method) {                
                callback(data);
            }
        }
    });

    return instance;
}

function sendMessage<T>(instance: WSInstance, method: string, msg: T): void {
    if (!instance.socket()) {
        throw new Error('socket is not active');
    }

    const the_message = {
        user_id: instance.socket().id,
        method: method,
        msg: msg
    };

    
    instance.socket().emit(method, JSON.stringify(the_message));
    instance.executeEventListener('ws:message_sent', { message: the_message });
} 

export default{
    listenForMessage,
    sendMessage
};