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