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283 lines
10 KiB
283 lines
10 KiB
import type { BroadcastFlags, Room, SocketId } from "socket.io-adapter"; |
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import { Handshake } from "./socket-types"; |
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import type { Adapter } from "socket.io-adapter"; |
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import type { EventParams, EventNames, EventsMap, TypedEventBroadcaster, DecorateAcknowledgements, AllButLast, Last, FirstNonErrorArg, EventNamesWithError } from "./typed-events"; |
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export declare class BroadcastOperator<EmitEvents extends EventsMap, SocketData> implements TypedEventBroadcaster<EmitEvents> { |
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private readonly adapter; |
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private readonly rooms; |
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private readonly exceptRooms; |
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private readonly flags; |
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constructor(adapter: Adapter, rooms?: Set<Room>, exceptRooms?: Set<Room>, flags?: BroadcastFlags & { |
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expectSingleResponse?: boolean; |
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}); |
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/** |
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* Targets a room when emitting. |
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* |
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* @example |
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* // the “foo” event will be broadcast to all connected clients in the “room-101” room |
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* io.to("room-101").emit("foo", "bar"); |
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* |
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* // with an array of rooms (a client will be notified at most once) |
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* io.to(["room-101", "room-102"]).emit("foo", "bar"); |
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* |
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* // with multiple chained calls |
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* io.to("room-101").to("room-102").emit("foo", "bar"); |
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* |
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* @param room - a room, or an array of rooms |
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* @return a new {@link BroadcastOperator} instance for chaining |
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*/ |
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to(room: Room | Room[]): BroadcastOperator<EmitEvents, SocketData>; |
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/** |
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* Targets a room when emitting. Similar to `to()`, but might feel clearer in some cases: |
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* |
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* @example |
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* // disconnect all clients in the "room-101" room |
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* io.in("room-101").disconnectSockets(); |
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* |
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* @param room - a room, or an array of rooms |
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* @return a new {@link BroadcastOperator} instance for chaining |
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*/ |
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in(room: Room | Room[]): BroadcastOperator<EmitEvents, SocketData>; |
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/** |
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* Excludes a room when emitting. |
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* |
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* @example |
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* // the "foo" event will be broadcast to all connected clients, except the ones that are in the "room-101" room |
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* io.except("room-101").emit("foo", "bar"); |
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* |
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* // with an array of rooms |
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* io.except(["room-101", "room-102"]).emit("foo", "bar"); |
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* |
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* // with multiple chained calls |
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* io.except("room-101").except("room-102").emit("foo", "bar"); |
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* |
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* @param room - a room, or an array of rooms |
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* @return a new {@link BroadcastOperator} instance for chaining |
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*/ |
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except(room: Room | Room[]): BroadcastOperator<EmitEvents, SocketData>; |
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/** |
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* Sets the compress flag. |
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* |
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* @example |
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* io.compress(false).emit("hello"); |
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* |
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* @param compress - if `true`, compresses the sending data |
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* @return a new BroadcastOperator instance |
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*/ |
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compress(compress: boolean): BroadcastOperator<EmitEvents, SocketData>; |
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/** |
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* Sets a modifier for a subsequent event emission that the event data may be lost if the client is not ready to |
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* receive messages (because of network slowness or other issues, or because they’re connected through long polling |
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* and is in the middle of a request-response cycle). |
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* |
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* @example |
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* io.volatile.emit("hello"); // the clients may or may not receive it |
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* |
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* @return a new BroadcastOperator instance |
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*/ |
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get volatile(): BroadcastOperator<EmitEvents, SocketData>; |
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/** |
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* Sets a modifier for a subsequent event emission that the event data will only be broadcast to the current node. |
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* |
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* @example |
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* // the “foo” event will be broadcast to all connected clients on this node |
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* io.local.emit("foo", "bar"); |
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* |
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* @return a new {@link BroadcastOperator} instance for chaining |
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*/ |
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get local(): BroadcastOperator<EmitEvents, SocketData>; |
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/** |
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* Adds a timeout in milliseconds for the next operation |
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* |
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* @example |
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* io.timeout(1000).emit("some-event", (err, responses) => { |
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* if (err) { |
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* // some clients did not acknowledge the event in the given delay |
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* } else { |
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* console.log(responses); // one response per client |
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* } |
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* }); |
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* |
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* @param timeout |
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*/ |
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timeout(timeout: number): BroadcastOperator<DecorateAcknowledgements<EmitEvents>, SocketData>; |
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/** |
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* Emits to all clients. |
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* |
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* @example |
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* // the “foo” event will be broadcast to all connected clients |
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* io.emit("foo", "bar"); |
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* |
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* // the “foo” event will be broadcast to all connected clients in the “room-101” room |
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* io.to("room-101").emit("foo", "bar"); |
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* |
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* // with an acknowledgement expected from all connected clients |
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* io.timeout(1000).emit("some-event", (err, responses) => { |
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* if (err) { |
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* // some clients did not acknowledge the event in the given delay |
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* } else { |
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* console.log(responses); // one response per client |
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* } |
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* }); |
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* |
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* @return Always true |
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*/ |
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emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): boolean; |
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/** |
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* Emits an event and waits for an acknowledgement from all clients. |
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* |
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* @example |
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* try { |
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* const responses = await io.timeout(1000).emitWithAck("some-event"); |
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* console.log(responses); // one response per client |
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* } catch (e) { |
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* // some clients did not acknowledge the event in the given delay |
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* } |
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* |
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* @return a Promise that will be fulfilled when all clients have acknowledged the event |
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*/ |
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emitWithAck<Ev extends EventNamesWithError<EmitEvents>>(ev: Ev, ...args: AllButLast<EventParams<EmitEvents, Ev>>): Promise<FirstNonErrorArg<Last<EventParams<EmitEvents, Ev>>>>; |
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/** |
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* Gets a list of clients. |
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* |
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* @deprecated this method will be removed in the next major release, please use {@link Server#serverSideEmit} or |
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* {@link fetchSockets} instead. |
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*/ |
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allSockets(): Promise<Set<SocketId>>; |
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/** |
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* Returns the matching socket instances. This method works across a cluster of several Socket.IO servers. |
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* |
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* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}. |
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* |
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* @example |
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* // return all Socket instances |
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* const sockets = await io.fetchSockets(); |
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* |
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* // return all Socket instances in the "room1" room |
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* const sockets = await io.in("room1").fetchSockets(); |
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* |
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* for (const socket of sockets) { |
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* console.log(socket.id); |
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* console.log(socket.handshake); |
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* console.log(socket.rooms); |
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* console.log(socket.data); |
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* |
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* socket.emit("hello"); |
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* socket.join("room1"); |
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* socket.leave("room2"); |
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* socket.disconnect(); |
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* } |
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*/ |
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fetchSockets(): Promise<RemoteSocket<EmitEvents, SocketData>[]>; |
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/** |
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* Makes the matching socket instances join the specified rooms. |
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* |
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* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}. |
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* |
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* @example |
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* |
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* // make all socket instances join the "room1" room |
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* io.socketsJoin("room1"); |
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* |
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* // make all socket instances in the "room1" room join the "room2" and "room3" rooms |
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* io.in("room1").socketsJoin(["room2", "room3"]); |
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* |
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* @param room - a room, or an array of rooms |
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*/ |
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socketsJoin(room: Room | Room[]): void; |
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/** |
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* Makes the matching socket instances leave the specified rooms. |
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* |
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* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}. |
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* |
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* @example |
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* // make all socket instances leave the "room1" room |
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* io.socketsLeave("room1"); |
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* |
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* // make all socket instances in the "room1" room leave the "room2" and "room3" rooms |
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* io.in("room1").socketsLeave(["room2", "room3"]); |
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* |
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* @param room - a room, or an array of rooms |
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*/ |
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socketsLeave(room: Room | Room[]): void; |
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/** |
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* Makes the matching socket instances disconnect. |
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* |
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* Note: this method also works within a cluster of multiple Socket.IO servers, with a compatible {@link Adapter}. |
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* |
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* @example |
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* // make all socket instances disconnect (the connections might be kept alive for other namespaces) |
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* io.disconnectSockets(); |
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* |
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* // make all socket instances in the "room1" room disconnect and close the underlying connections |
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* io.in("room1").disconnectSockets(true); |
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* |
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* @param close - whether to close the underlying connection |
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*/ |
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disconnectSockets(close?: boolean): void; |
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} |
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/** |
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* Format of the data when the Socket instance exists on another Socket.IO server |
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*/ |
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interface SocketDetails<SocketData> { |
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id: SocketId; |
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handshake: Handshake; |
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rooms: Room[]; |
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data: SocketData; |
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} |
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/** |
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* Expose of subset of the attributes and methods of the Socket class |
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*/ |
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export declare class RemoteSocket<EmitEvents extends EventsMap, SocketData> implements TypedEventBroadcaster<EmitEvents> { |
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readonly id: SocketId; |
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readonly handshake: Handshake; |
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readonly rooms: Set<Room>; |
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readonly data: SocketData; |
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private readonly operator; |
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constructor(adapter: Adapter, details: SocketDetails<SocketData>); |
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/** |
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* Adds a timeout in milliseconds for the next operation. |
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* |
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* @example |
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* const sockets = await io.fetchSockets(); |
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* |
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* for (const socket of sockets) { |
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* if (someCondition) { |
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* socket.timeout(1000).emit("some-event", (err) => { |
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* if (err) { |
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* // the client did not acknowledge the event in the given delay |
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* } |
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* }); |
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* } |
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* } |
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* |
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* // note: if possible, using a room instead of looping over all sockets is preferable |
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* io.timeout(1000).to(someConditionRoom).emit("some-event", (err, responses) => { |
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* // ... |
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* }); |
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* |
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* @param timeout |
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*/ |
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timeout(timeout: number): BroadcastOperator<DecorateAcknowledgements<EmitEvents>, SocketData>; |
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emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): boolean; |
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/** |
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* Joins a room. |
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* |
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* @param {String|Array} room - room or array of rooms |
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*/ |
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join(room: Room | Room[]): void; |
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/** |
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* Leaves a room. |
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* |
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* @param {String} room |
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*/ |
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leave(room: Room): void; |
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/** |
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* Disconnects this client. |
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* |
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* @param {Boolean} close - if `true`, closes the underlying connection |
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* @return {Socket} self |
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*/ |
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disconnect(close?: boolean): this; |
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} |
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export {};
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