lightweight-socket/dist/client-browser.mjs

lightweight socket

// src/event.ts
var Event = class {
  constructor(name, payload) {
    this.name = name;
    this.payload = payload;
  }
  toString() {
    return JSON.stringify({ name: this.name, payload: this.payload });
  }
};
var Emitter = class {
  constructor() {
    this.listeners = {};
  }
  on(event, listener) {
    if (!this.listeners[event]) {
      this.listeners[event] = [];
    }
    this.listeners[event].push(listener);
  }
  once(event, listener) {
    const onceListener = (...args) => {
      this.off(event, onceListener);
      listener.apply(this, args);
    };
    this.on(event, onceListener);
  }
  off(event, listener) {
    if (!this.listeners[event])
      return;
    this.listeners[event] = this.listeners[event].filter((l) => l !== listener);
  }
};

// src/client-browser.ts
var BrowserClient = class extends Emitter {
  constructor(url) {
    super();
    this.socket = new WebSocket(url);
    this.init();
    this.on("connect", (id) => this.id = id);
  }
  emit(name, ...args) {
    const event = new Event(name, args);
    const message = event.toString();
    this.socket.send(message);
  }
  close() {
    this.socket.close();
  }
  receive(event) {
    const data = event.data;
    const parsedEvent = JSON.parse(data);
    if (this.listeners[parsedEvent.name]) {
      this.listeners[parsedEvent.name].forEach((listener) => listener(...parsedEvent.payload));
    }
  }
  init() {
    this.socket.addEventListener("message", this.receive.bind(this));
  }
};
export {
  BrowserClient
};
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