Method onMessage

packages/message/mock_message.ts:11–20

(callback: (data: TMessage) => void)

  }

  onMessage(callback: (data: TMessage) => void): void {
    if (!this.EE) {
      console.error("onMessage Invalid MockConnection");
      // 無法監聽的話不应该屏蔽错误
      throw new Error("onMessage Invalid MockConnection");
    }
    this.EE.on("message", (data: any) => {
      callback(data);
    });
  }

  sendMessage(data: TMessage): void {
    if (!this.EE) {