@rsweeten/dropbox-sync/dist/core/socket.js

Reusable Dropbox synchronization module with framework adapters

import { io } from 'socket.io-client';
export function createSocketMethods() {
    let socket = null;
    const handlers = {};
    return {
        /**
         * Establish a Socket.IO connection
         */
        connect() {
            if (!socket) {
                // Default connection to the server's base URL
                const url = globalThis?.window?.location?.origin ||
                    'http://localhost:3000';
                socket = io(url);
            }
            if (socket && !socket.connected) {
                socket.connect();
            }
        },
        /**
         * Disconnect the Socket.IO connection
         */
        disconnect() {
            if (socket && socket.connected) {
                socket.disconnect();
            }
        },
        /**
         * Listen for an event on the Socket.IO connection
         */
        on(event, handler) {
            if (!handlers[event]) {
                handlers[event] = [];
            }
            handlers[event].push(handler);
            if (socket) {
                socket.on(event, handler);
            }
        },
        /**
         * Remove listeners for an event on the Socket.IO connection
         */
        off(event) {
            if (socket && handlers[event]) {
                for (const handler of handlers[event]) {
                    socket.off(event, handler);
                }
                delete handlers[event];
            }
        },
        /**
         * Emit an event on the Socket.IO connection
         */
        emit(event, ...args) {
            if (socket) {
                socket.emit(event, ...args);
                return true;
            }
            return false;
        },
    };
}