okotoki
Version:
Okotoki API client for node
162 lines (161 loc) • 5.28 kB
TypeScript
/*!
* Reconnecting WebSocket
* by Pedro Ladaria <pedro.ladaria@gmail.com>
* https://github.com/pladaria/reconnecting-websocket
* License MIT
*/
export declare class Event {
target: any;
type: string;
constructor(type: string, target: any);
}
declare class ErrorEvent extends Event {
message: string;
error: Error;
constructor(error: Error, target: any);
}
declare class CloseEvent extends Event {
code: number;
reason: string;
wasClean: boolean;
constructor(code: number | undefined, reason: string | undefined, target: any);
}
interface WebSocketEventListenerMap {
close(event: CloseEvent): void | {
handleEvent(event: CloseEvent): void;
};
error(event: ErrorEvent): void | {
handleEvent(event: ErrorEvent): void;
};
message(event: MessageEvent): void | {
handleEvent(event: MessageEvent): void;
};
open(event: Event): void | {
handleEvent(event: Event): void;
};
}
interface Options {
WebSocket?: any;
maxReconnectionDelay?: number;
minReconnectionDelay?: number;
reconnectionDelayGrowFactor?: number;
minUptime?: number;
connectionTimeout?: number;
maxRetries?: number;
debug?: boolean;
}
type UrlProvider = string | (() => string) | (() => Promise<string>);
type Message = string | ArrayBuffer | Blob | ArrayBufferView;
export default class ReconnectingWebSocket {
private _ws?;
private _listeners;
private _retryCount;
private _uptimeTimeout;
private _connectTimeout;
private _shouldReconnect;
private _initialConnection;
private _connectLock;
private _binaryType;
private _closeCalled;
private _messageQueue;
private readonly _url;
private readonly _protocols?;
private readonly _options;
private readonly _debug;
constructor(url: UrlProvider, protocols?: string | string[], options?: Options);
static get CONNECTING(): number;
static get OPEN(): number;
static get CLOSING(): number;
static get CLOSED(): number;
get CONNECTING(): number;
get OPEN(): number;
get CLOSING(): number;
get CLOSED(): number;
get binaryType(): string;
set binaryType(value: string);
/**
* Returns the number or connection retries
*/
get retryCount(): number;
/**
* The number of bytes of data that have been queued using calls to send() but not yet
* transmitted to the network. This value resets to zero once all queued data has been sent.
* This value does not reset to zero when the connection is closed; if you keep calling send(),
* this will continue to climb. Read only
*/
get bufferedAmount(): number;
/**
* The extensions selected by the server. This is currently only the empty string or a list of
* extensions as negotiated by the connection
*/
get extensions(): string;
/**
* A string indicating the name of the sub-protocol the server selected;
* this will be one of the strings specified in the protocols parameter when creating the
* WebSocket object
*/
get protocol(): string;
/**
* The current state of the connection; this is one of the Ready state constants
*/
get readyState(): number;
/**
* The URL as resolved by the constructor
*/
get url(): string;
/**
* An event listener to be called when the WebSocket connection's readyState changes to CLOSED
*/
onclose?: (event: CloseEvent) => void;
/**
* An event listener to be called when an error occurs
*/
onerror?: (event: Event) => void;
/**
* An event listener to be called when a message is received from the server
*/
onmessage?: (event: MessageEvent) => void;
/**
* An event listener to be called when the WebSocket connection's readyState changes to OPEN;
* this indicates that the connection is ready to send and receive data
*/
onopen?: (event: Event) => void;
/**
* Closes the WebSocket connection or connection attempt, if any. If the connection is already
* CLOSED, this method does nothing
*/
close(code?: number, reason?: string): void;
/**
* Closes the WebSocket connection or connection attempt and connects again.
* Resets retry counter;
*/
reconnect(code?: number, reason?: string): void;
/**
* Enqueue specified data to be transmitted to the server over the WebSocket connection
*/
send(data: Message): void;
/**
* Register an event handler of a specific event type
*/
addEventListener<T extends keyof WebSocketEventListenerMap>(type: T, listener: WebSocketEventListenerMap[T]): void;
/**
* Removes an event listener
*/
removeEventListener<T extends keyof WebSocketEventListenerMap>(type: T, listener: WebSocketEventListenerMap[T]): void;
private _getNextDelay;
private _wait;
private _getNextUrl;
private _connect;
private _handleTimeout;
private _disconnect;
private _acceptOpen;
private _callEventListener;
private _handleOpen;
private _handleMessage;
private _handleError;
private _handleClose;
private _removeListeners;
private _addListeners;
private _clearTimeouts;
}
export {};