@pit-front-end/utils/dist/es/broadcastService.js

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class i {
  constructor(e) {
    this.eventHandlers = /* @__PURE__ */ new Map(), this.channel = new BroadcastChannel(e), this.setupListeners();
  }
  setupListeners() {
    this.channel.addEventListener("message", (e) => {
      const { eventType: s, data: t } = e.data;
      this.trigger(s, t);
    }), window.addEventListener("beforeunload", () => this.close());
  }
  // 发送事件到所有页签（包括自身）
  postMessage(e, s, t = !0) {
    t && this.trigger(e, s);
    try {
      this.channel.postMessage({ eventType: e, data: s });
    } catch (n) {
      console.error("[BroadcastChannel] 消息发送失败", n);
    }
  }
  // 触发当前页签的事件处理函数
  trigger(e, s) {
    const t = this.eventHandlers.get(e);
    t && t.forEach((n) => n(s));
  }
  // 注册事件监听器
  on(e, s) {
    return this.eventHandlers.has(e) || this.eventHandlers.set(e, /* @__PURE__ */ new Set()), this.eventHandlers.get(e).add(s), () => this.off(e, s);
  }
  // 注册一次性事件监听器
  once(e, s) {
    const t = (n) => {
      s(n), this.off(e, t);
    };
    this.on(e, t);
  }
  // 移除事件监听器
  off(e, s) {
    const t = this.eventHandlers.get(e);
    t && (t.delete(s), t.size === 0 && this.eventHandlers.delete(e));
  }
  // 清理资源
  close() {
    this.channel.close(), this.eventHandlers.clear();
  }
}
let a = null;
const l = (r = "pit-global-channel") => (a || (a = new i(r)), a);
export {
  i as default,
  l as getBroadcastService
};