You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
458 lines
12 KiB
458 lines
12 KiB
2 years ago
|
import { Packet } from "socket.io-parser";
|
||
|
import { Manager } from "./manager.js";
|
||
|
import { DefaultEventsMap, EventNames, EventParams, EventsMap, Emitter } from "@socket.io/component-emitter";
|
||
|
export interface SocketOptions {
|
||
|
/**
|
||
|
* the authentication payload sent when connecting to the Namespace
|
||
|
*/
|
||
|
auth: {
|
||
|
[key: string]: any;
|
||
|
} | ((cb: (data: object) => void) => void);
|
||
|
}
|
||
|
export declare type DisconnectDescription = Error | {
|
||
|
description: string;
|
||
|
context?: CloseEvent | XMLHttpRequest;
|
||
|
};
|
||
|
interface SocketReservedEvents {
|
||
|
connect: () => void;
|
||
|
connect_error: (err: Error) => void;
|
||
|
disconnect: (reason: Socket.DisconnectReason, description?: DisconnectDescription) => void;
|
||
|
}
|
||
|
/**
|
||
|
* A Socket is the fundamental class for interacting with the server.
|
||
|
*
|
||
|
* A Socket belongs to a certain Namespace (by default /) and uses an underlying {@link Manager} to communicate.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io();
|
||
|
*
|
||
|
* socket.on("connect", () => {
|
||
|
* console.log("connected");
|
||
|
* });
|
||
|
*
|
||
|
* // send an event to the server
|
||
|
* socket.emit("foo", "bar");
|
||
|
*
|
||
|
* socket.on("foobar", () => {
|
||
|
* // an event was received from the server
|
||
|
* });
|
||
|
*
|
||
|
* // upon disconnection
|
||
|
* socket.on("disconnect", (reason) => {
|
||
|
* console.log(`disconnected due to ${reason}`);
|
||
|
* });
|
||
|
*/
|
||
|
export declare class Socket<ListenEvents extends EventsMap = DefaultEventsMap, EmitEvents extends EventsMap = ListenEvents> extends Emitter<ListenEvents, EmitEvents, SocketReservedEvents> {
|
||
|
readonly io: Manager<ListenEvents, EmitEvents>;
|
||
|
/**
|
||
|
* A unique identifier for the session.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io();
|
||
|
*
|
||
|
* console.log(socket.id); // undefined
|
||
|
*
|
||
|
* socket.on("connect", () => {
|
||
|
* console.log(socket.id); // "G5p5..."
|
||
|
* });
|
||
|
*/
|
||
|
id: string;
|
||
|
/**
|
||
|
* Whether the socket is currently connected to the server.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io();
|
||
|
*
|
||
|
* socket.on("connect", () => {
|
||
|
* console.log(socket.connected); // true
|
||
|
* });
|
||
|
*
|
||
|
* socket.on("disconnect", () => {
|
||
|
* console.log(socket.connected); // false
|
||
|
* });
|
||
|
*/
|
||
|
connected: boolean;
|
||
|
/**
|
||
|
* Credentials that are sent when accessing a namespace.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io({
|
||
|
* auth: {
|
||
|
* token: "abcd"
|
||
|
* }
|
||
|
* });
|
||
|
*
|
||
|
* // or with a function
|
||
|
* const socket = io({
|
||
|
* auth: (cb) => {
|
||
|
* cb({ token: localStorage.token })
|
||
|
* }
|
||
|
* });
|
||
|
*/
|
||
|
auth: {
|
||
|
[key: string]: any;
|
||
|
} | ((cb: (data: object) => void) => void);
|
||
|
/**
|
||
|
* Buffer for packets received before the CONNECT packet
|
||
|
*/
|
||
|
receiveBuffer: Array<ReadonlyArray<any>>;
|
||
|
/**
|
||
|
* Buffer for packets that will be sent once the socket is connected
|
||
|
*/
|
||
|
sendBuffer: Array<Packet>;
|
||
|
private readonly nsp;
|
||
|
private ids;
|
||
|
private acks;
|
||
|
private flags;
|
||
|
private subs?;
|
||
|
private _anyListeners;
|
||
|
private _anyOutgoingListeners;
|
||
|
/**
|
||
|
* `Socket` constructor.
|
||
|
*/
|
||
|
constructor(io: Manager, nsp: string, opts?: Partial<SocketOptions>);
|
||
|
/**
|
||
|
* Whether the socket is currently disconnected
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io();
|
||
|
*
|
||
|
* socket.on("connect", () => {
|
||
|
* console.log(socket.disconnected); // false
|
||
|
* });
|
||
|
*
|
||
|
* socket.on("disconnect", () => {
|
||
|
* console.log(socket.disconnected); // true
|
||
|
* });
|
||
|
*/
|
||
|
get disconnected(): boolean;
|
||
|
/**
|
||
|
* Subscribe to open, close and packet events
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private subEvents;
|
||
|
/**
|
||
|
* Whether the Socket will try to reconnect when its Manager connects or reconnects.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io();
|
||
|
*
|
||
|
* console.log(socket.active); // true
|
||
|
*
|
||
|
* socket.on("disconnect", (reason) => {
|
||
|
* if (reason === "io server disconnect") {
|
||
|
* // the disconnection was initiated by the server, you need to manually reconnect
|
||
|
* console.log(socket.active); // false
|
||
|
* }
|
||
|
* // else the socket will automatically try to reconnect
|
||
|
* console.log(socket.active); // true
|
||
|
* });
|
||
|
*/
|
||
|
get active(): boolean;
|
||
|
/**
|
||
|
* "Opens" the socket.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io({
|
||
|
* autoConnect: false
|
||
|
* });
|
||
|
*
|
||
|
* socket.connect();
|
||
|
*/
|
||
|
connect(): this;
|
||
|
/**
|
||
|
* Alias for {@link connect()}.
|
||
|
*/
|
||
|
open(): this;
|
||
|
/**
|
||
|
* Sends a `message` event.
|
||
|
*
|
||
|
* This method mimics the WebSocket.send() method.
|
||
|
*
|
||
|
* @see https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/send
|
||
|
*
|
||
|
* @example
|
||
|
* socket.send("hello");
|
||
|
*
|
||
|
* // this is equivalent to
|
||
|
* socket.emit("message", "hello");
|
||
|
*
|
||
|
* @return self
|
||
|
*/
|
||
|
send(...args: any[]): this;
|
||
|
/**
|
||
|
* Override `emit`.
|
||
|
* If the event is in `events`, it's emitted normally.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.emit("hello", "world");
|
||
|
*
|
||
|
* // all serializable datastructures are supported (no need to call JSON.stringify)
|
||
|
* socket.emit("hello", 1, "2", { 3: ["4"], 5: Uint8Array.from([6]) });
|
||
|
*
|
||
|
* // with an acknowledgement from the server
|
||
|
* socket.emit("hello", "world", (val) => {
|
||
|
* // ...
|
||
|
* });
|
||
|
*
|
||
|
* @return self
|
||
|
*/
|
||
|
emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): this;
|
||
|
/**
|
||
|
* @private
|
||
|
*/
|
||
|
private _registerAckCallback;
|
||
|
/**
|
||
|
* Sends a packet.
|
||
|
*
|
||
|
* @param packet
|
||
|
* @private
|
||
|
*/
|
||
|
private packet;
|
||
|
/**
|
||
|
* Called upon engine `open`.
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private onopen;
|
||
|
/**
|
||
|
* Called upon engine or manager `error`.
|
||
|
*
|
||
|
* @param err
|
||
|
* @private
|
||
|
*/
|
||
|
private onerror;
|
||
|
/**
|
||
|
* Called upon engine `close`.
|
||
|
*
|
||
|
* @param reason
|
||
|
* @param description
|
||
|
* @private
|
||
|
*/
|
||
|
private onclose;
|
||
|
/**
|
||
|
* Called with socket packet.
|
||
|
*
|
||
|
* @param packet
|
||
|
* @private
|
||
|
*/
|
||
|
private onpacket;
|
||
|
/**
|
||
|
* Called upon a server event.
|
||
|
*
|
||
|
* @param packet
|
||
|
* @private
|
||
|
*/
|
||
|
private onevent;
|
||
|
private emitEvent;
|
||
|
/**
|
||
|
* Produces an ack callback to emit with an event.
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private ack;
|
||
|
/**
|
||
|
* Called upon a server acknowlegement.
|
||
|
*
|
||
|
* @param packet
|
||
|
* @private
|
||
|
*/
|
||
|
private onack;
|
||
|
/**
|
||
|
* Called upon server connect.
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private onconnect;
|
||
|
/**
|
||
|
* Emit buffered events (received and emitted).
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private emitBuffered;
|
||
|
/**
|
||
|
* Called upon server disconnect.
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private ondisconnect;
|
||
|
/**
|
||
|
* Called upon forced client/server side disconnections,
|
||
|
* this method ensures the manager stops tracking us and
|
||
|
* that reconnections don't get triggered for this.
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private destroy;
|
||
|
/**
|
||
|
* Disconnects the socket manually. In that case, the socket will not try to reconnect.
|
||
|
*
|
||
|
* If this is the last active Socket instance of the {@link Manager}, the low-level connection will be closed.
|
||
|
*
|
||
|
* @example
|
||
|
* const socket = io();
|
||
|
*
|
||
|
* socket.on("disconnect", (reason) => {
|
||
|
* // console.log(reason); prints "io client disconnect"
|
||
|
* });
|
||
|
*
|
||
|
* socket.disconnect();
|
||
|
*
|
||
|
* @return self
|
||
|
*/
|
||
|
disconnect(): this;
|
||
|
/**
|
||
|
* Alias for {@link disconnect()}.
|
||
|
*
|
||
|
* @return self
|
||
|
*/
|
||
|
close(): this;
|
||
|
/**
|
||
|
* Sets the compress flag.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.compress(false).emit("hello");
|
||
|
*
|
||
|
* @param compress - if `true`, compresses the sending data
|
||
|
* @return self
|
||
|
*/
|
||
|
compress(compress: boolean): this;
|
||
|
/**
|
||
|
* Sets a modifier for a subsequent event emission that the event message will be dropped when this socket is not
|
||
|
* ready to send messages.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.volatile.emit("hello"); // the server may or may not receive it
|
||
|
*
|
||
|
* @returns self
|
||
|
*/
|
||
|
get volatile(): this;
|
||
|
/**
|
||
|
* Sets a modifier for a subsequent event emission that the callback will be called with an error when the
|
||
|
* given number of milliseconds have elapsed without an acknowledgement from the server:
|
||
|
*
|
||
|
* @example
|
||
|
* socket.timeout(5000).emit("my-event", (err) => {
|
||
|
* if (err) {
|
||
|
* // the server did not acknowledge the event in the given delay
|
||
|
* }
|
||
|
* });
|
||
|
*
|
||
|
* @returns self
|
||
|
*/
|
||
|
timeout(timeout: number): this;
|
||
|
/**
|
||
|
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
|
||
|
* callback.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.onAny((event, ...args) => {
|
||
|
* console.log(`got ${event}`);
|
||
|
* });
|
||
|
*
|
||
|
* @param listener
|
||
|
*/
|
||
|
onAny(listener: (...args: any[]) => void): this;
|
||
|
/**
|
||
|
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
|
||
|
* callback. The listener is added to the beginning of the listeners array.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.prependAny((event, ...args) => {
|
||
|
* console.log(`got event ${event}`);
|
||
|
* });
|
||
|
*
|
||
|
* @param listener
|
||
|
*/
|
||
|
prependAny(listener: (...args: any[]) => void): this;
|
||
|
/**
|
||
|
* Removes the listener that will be fired when any event is emitted.
|
||
|
*
|
||
|
* @example
|
||
|
* const catchAllListener = (event, ...args) => {
|
||
|
* console.log(`got event ${event}`);
|
||
|
* }
|
||
|
*
|
||
|
* socket.onAny(catchAllListener);
|
||
|
*
|
||
|
* // remove a specific listener
|
||
|
* socket.offAny(catchAllListener);
|
||
|
*
|
||
|
* // or remove all listeners
|
||
|
* socket.offAny();
|
||
|
*
|
||
|
* @param listener
|
||
|
*/
|
||
|
offAny(listener?: (...args: any[]) => void): this;
|
||
|
/**
|
||
|
* Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
|
||
|
* e.g. to remove listeners.
|
||
|
*/
|
||
|
listenersAny(): ((...args: any[]) => void)[];
|
||
|
/**
|
||
|
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
|
||
|
* callback.
|
||
|
*
|
||
|
* Note: acknowledgements sent to the server are not included.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.onAnyOutgoing((event, ...args) => {
|
||
|
* console.log(`sent event ${event}`);
|
||
|
* });
|
||
|
*
|
||
|
* @param listener
|
||
|
*/
|
||
|
onAnyOutgoing(listener: (...args: any[]) => void): this;
|
||
|
/**
|
||
|
* Adds a listener that will be fired when any event is emitted. The event name is passed as the first argument to the
|
||
|
* callback. The listener is added to the beginning of the listeners array.
|
||
|
*
|
||
|
* Note: acknowledgements sent to the server are not included.
|
||
|
*
|
||
|
* @example
|
||
|
* socket.prependAnyOutgoing((event, ...args) => {
|
||
|
* console.log(`sent event ${event}`);
|
||
|
* });
|
||
|
*
|
||
|
* @param listener
|
||
|
*/
|
||
|
prependAnyOutgoing(listener: (...args: any[]) => void): this;
|
||
|
/**
|
||
|
* Removes the listener that will be fired when any event is emitted.
|
||
|
*
|
||
|
* @example
|
||
|
* const catchAllListener = (event, ...args) => {
|
||
|
* console.log(`sent event ${event}`);
|
||
|
* }
|
||
|
*
|
||
|
* socket.onAnyOutgoing(catchAllListener);
|
||
|
*
|
||
|
* // remove a specific listener
|
||
|
* socket.offAnyOutgoing(catchAllListener);
|
||
|
*
|
||
|
* // or remove all listeners
|
||
|
* socket.offAnyOutgoing();
|
||
|
*
|
||
|
* @param [listener] - the catch-all listener (optional)
|
||
|
*/
|
||
|
offAnyOutgoing(listener?: (...args: any[]) => void): this;
|
||
|
/**
|
||
|
* Returns an array of listeners that are listening for any event that is specified. This array can be manipulated,
|
||
|
* e.g. to remove listeners.
|
||
|
*/
|
||
|
listenersAnyOutgoing(): ((...args: any[]) => void)[];
|
||
|
/**
|
||
|
* Notify the listeners for each packet sent
|
||
|
*
|
||
|
* @param packet
|
||
|
*
|
||
|
* @private
|
||
|
*/
|
||
|
private notifyOutgoingListeners;
|
||
|
}
|
||
|
export declare namespace Socket {
|
||
|
type DisconnectReason = "io server disconnect" | "io client disconnect" | "ping timeout" | "transport close" | "transport error" | "parse error";
|
||
|
}
|
||
|
export {};
|