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.
 
 
 
 
desregistradores/client/node_modules/socket.io/dist/typed-events.d.ts

110 lines
4.9 KiB

/// <reference types="node" />
import { EventEmitter } from "events";
/**
* An events map is an interface that maps event names to their value, which
* represents the type of the `on` listener.
*/
export interface EventsMap {
[event: string]: any;
}
/**
* The default events map, used if no EventsMap is given. Using this EventsMap
* is equivalent to accepting all event names, and any data.
*/
export interface DefaultEventsMap {
[event: string]: (...args: any[]) => void;
}
/**
* Returns a union type containing all the keys of an event map.
*/
export declare type EventNames<Map extends EventsMap> = keyof Map & (string | symbol);
/** The tuple type representing the parameters of an event listener */
export declare type EventParams<Map extends EventsMap, Ev extends EventNames<Map>> = Parameters<Map[Ev]>;
/**
* The event names that are either in ReservedEvents or in UserEvents
*/
export declare type ReservedOrUserEventNames<ReservedEventsMap extends EventsMap, UserEvents extends EventsMap> = EventNames<ReservedEventsMap> | EventNames<UserEvents>;
/**
* Type of a listener of a user event or a reserved event. If `Ev` is in
* `ReservedEvents`, the reserved event listener is returned.
*/
export declare type ReservedOrUserListener<ReservedEvents extends EventsMap, UserEvents extends EventsMap, Ev extends ReservedOrUserEventNames<ReservedEvents, UserEvents>> = FallbackToUntypedListener<Ev extends EventNames<ReservedEvents> ? ReservedEvents[Ev] : Ev extends EventNames<UserEvents> ? UserEvents[Ev] : never>;
/**
* Returns an untyped listener type if `T` is `never`; otherwise, returns `T`.
*
* This is a hack to mitigate https://github.com/socketio/socket.io/issues/3833.
* Needed because of https://github.com/microsoft/TypeScript/issues/41778
*/
declare type FallbackToUntypedListener<T> = [T] extends [never] ? (...args: any[]) => void : T;
/**
* Interface for classes that aren't `EventEmitter`s, but still expose a
* strictly typed `emit` method.
*/
export interface TypedEventBroadcaster<EmitEvents extends EventsMap> {
emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): boolean;
}
/**
* Strictly typed version of an `EventEmitter`. A `TypedEventEmitter` takes type
* parameters for mappings of event names to event data types, and strictly
* types method calls to the `EventEmitter` according to these event maps.
*
* @typeParam ListenEvents - `EventsMap` of user-defined events that can be
* listened to with `on` or `once`
* @typeParam EmitEvents - `EventsMap` of user-defined events that can be
* emitted with `emit`
* @typeParam ReservedEvents - `EventsMap` of reserved events, that can be
* emitted by socket.io with `emitReserved`, and can be listened to with
* `listen`.
*/
export declare abstract class StrictEventEmitter<ListenEvents extends EventsMap, EmitEvents extends EventsMap, ReservedEvents extends EventsMap = {}> extends EventEmitter implements TypedEventBroadcaster<EmitEvents> {
/**
* Adds the `listener` function as an event listener for `ev`.
*
* @param ev Name of the event
* @param listener Callback function
*/
on<Ev extends ReservedOrUserEventNames<ReservedEvents, ListenEvents>>(ev: Ev, listener: ReservedOrUserListener<ReservedEvents, ListenEvents, Ev>): this;
/**
* Adds a one-time `listener` function as an event listener for `ev`.
*
* @param ev Name of the event
* @param listener Callback function
*/
once<Ev extends ReservedOrUserEventNames<ReservedEvents, ListenEvents>>(ev: Ev, listener: ReservedOrUserListener<ReservedEvents, ListenEvents, Ev>): this;
/**
* Emits an event.
*
* @param ev Name of the event
* @param args Values to send to listeners of this event
*/
emit<Ev extends EventNames<EmitEvents>>(ev: Ev, ...args: EventParams<EmitEvents, Ev>): boolean;
/**
* Emits a reserved event.
*
* This method is `protected`, so that only a class extending
* `StrictEventEmitter` can emit its own reserved events.
*
* @param ev Reserved event name
* @param args Arguments to emit along with the event
*/
protected emitReserved<Ev extends EventNames<ReservedEvents>>(ev: Ev, ...args: EventParams<ReservedEvents, Ev>): boolean;
/**
* Emits an event.
*
* This method is `protected`, so that only a class extending
* `StrictEventEmitter` can get around the strict typing. This is useful for
* calling `emit.apply`, which can be called as `emitUntyped.apply`.
*
* @param ev Event name
* @param args Arguments to emit along with the event
*/
protected emitUntyped(ev: string, ...args: any[]): boolean;
/**
* Returns the listeners listening to an event.
*
* @param event Event name
* @returns Array of listeners subscribed to `event`
*/
listeners<Ev extends ReservedOrUserEventNames<ReservedEvents, ListenEvents>>(event: Ev): ReservedOrUserListener<ReservedEvents, ListenEvents, Ev>[];
}
export {};