@types/sockjs-client/index.d.ts

// Type definitions for sockjs-client 1.5
// Project: https://github.com/sockjs/sockjs-client, http://sockjs.org
// Definitions by: Emil Ivanov <https://github.com/vladev>
//                 Alexander Rusakov <https://github.com/arusakov>
//                 BendingBender <https://github.com/BendingBender>
//                 Soner Köksal <https://github.com/renjfk>
//                 Alexander Putilov <https://github.com/PutilovAI>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

export = SockJS;
export as namespace SockJS;

declare const SockJS: {
    new (url: string, _reserved?: any, options?: SockJS.Options): WebSocket;
    (url: string, _reserved?: any, options?: SockJS.Options): WebSocket;
    prototype: WebSocket;
    CONNECTING: SockJS.CONNECTING;
    OPEN: SockJS.OPEN;
    CLOSING: SockJS.CLOSING;
    CLOSED: SockJS.CLOSED;
};

declare namespace SockJS {
    type CONNECTING = 0;
    type OPEN = 1;
    type CLOSING = 2;
    type CLOSED = 3;

    type State = CONNECTING | OPEN | CLOSING | CLOSED;

    interface BaseEvent extends Event {
        type: string;
    }

    type OpenEvent = BaseEvent;

    interface CloseEvent extends BaseEvent {
        code: number;
        reason: string;
        wasClean: boolean;
    }

    interface MessageEvent extends BaseEvent {
        data: string;
    }

    type SessionGenerator = () => string;

    interface Options {
        server?: string | undefined;
        sessionId?: number | SessionGenerator | undefined;
        transports?: string | string[] | undefined;
        timeout?: number | undefined;
    }
}