daikan-international/types/io.d.ts

declare let io: SocketIOClientStatic;

declare module 'socket.io-client' {
  export = io;
}

interface SocketIOClientStatic {
  (host: string, details?: any): SocketIOClient.Socket;
  (details?: any): SocketIOClient.Socket;
  connect(host: string, details?: any): SocketIOClient.Socket;
  connect(details?: any): SocketIOClient.Socket;
  protocol: number;
  Socket: { new (...args: any[]): SocketIOClient.Socket };
  Manager: SocketIOClient.ManagerStatic;
}

declare namespace SocketIOClient {
  interface Socket {
    on(event: string, fn: Function): Socket;
    once(event: string, fn: Function): Socket;
    off(event?: string, fn?: Function): Socket;
    emit(event: string, ...args: any[]): Socket;
    listeners(event: string): Function[];
    hasListeners(event: string): boolean;
    connected: boolean;
  }

  interface ManagerStatic {
    (url: string, opts: any): SocketIOClient.Manager;
    new (url: string, opts: any): SocketIOClient.Manager;
  }

  interface Manager {
    reconnection(v: boolean): Manager;
    reconnectionAttempts(v: boolean): Manager;
    reconnectionDelay(v: boolean): Manager;
    reconnectionDelayMax(v: boolean): Manager;
    timeout(v: boolean): Manager;
  }
}