socket.io-react-hooks-advanced/dist/middleware/index.js

A modular and extensible React + Socket.IO hook library designed for real-world applications. Supports namespaced sockets, reconnection strategies, offline queues, latency monitoring, middleware, encryption, and more.

export class MiddlewareManager {
    constructor() {
        this.middlewares = [];
    }
    addMiddleware(entry) {
        this.middlewares.push(entry);
        return entry.id;
    }
    removeMiddleware(id) {
        this.middlewares = this.middlewares.filter((m) => m.id !== id);
    }
    runEmit(event, data, finalEmit) {
        let index = -1;
        const middlewares = this.middlewares.filter((m) => m.emit !== undefined);
        const next = (ev, dt) => {
            index++;
            if (index < middlewares.length) {
                middlewares[index].emit(ev, dt, next);
            }
            else {
                finalEmit(ev, dt);
            }
        };
        next(event, data);
    }
    runOn(event, data, finalHandler) {
        let index = -1;
        const middlewares = this.middlewares.filter((m) => m.on !== undefined);
        const next = (dt) => {
            index++;
            if (index < middlewares.length) {
                middlewares[index].on(event, dt, next);
            }
            else {
                finalHandler(dt);
            }
        };
        next(data);
    }
}