@callstack/repack-dev-server/dist/plugins/wss/servers/WebSocketHMRServer.js

A bundler-agnostic development server for React Native applications as part of @callstack/repack.

import { WebSocketServer } from '../WebSocketServer.js';
/**
 * Class for creating a WebSocket server for Hot Module Replacement.
 *
 * @category Development server
 */
export class WebSocketHMRServer extends WebSocketServer {
    /**
     * Create new instance of WebSocketHMRServer and attach it to the given Fastify instance.
     * Any logging information, will be passed through standard `fastify.log` API.
     *
     * @param fastify Fastify instance to attach the WebSocket server to.
     */
    constructor(fastify) {
        super(fastify, {
            name: 'HMR',
            path: '/__hmr',
        });
    }
    /**
     * Send action to all connected HMR clients.
     *
     * @param event Event to send to the clients.
     */
    send(event) {
        const data = typeof event === 'string' ? event : JSON.stringify(event);
        this.clients.forEach((socket) => {
            try {
                socket.send(data);
            }
            catch (error) {
                this.fastify.log.error({
                    msg: 'Cannot send action to client',
                    event,
                    error,
                });
            }
        });
    }
}