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c2b7eb3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | import { AbortSignal } from 'bare-abort-controller'
interface EventMap {
[event: string | symbol]: unknown[]
}
interface EventHandler<in A extends unknown[] = unknown[], out R = unknown> {
(...args: A): R
}
declare class EventEmitterError extends Error {
static OPERATION_ABORTED(cause: Error, msg?: string): EventEmitterError
static UNHANDLED_ERROR(cause: Error, msg?: string): EventEmitterError
}
interface EventEmitter<in out M extends EventMap = EventMap> {
addListener<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
addOnceListener<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
prependListener<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
prependOnceListener<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
removeListener<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
removeAllListeners<E extends keyof M>(name?: E): this
on<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
once<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
off<E extends keyof M, R>(name: E, fn: EventHandler<M[E], R>): this
emit<E extends keyof M>(name: E, ...args: M[E]): boolean
listeners<E extends keyof M, R>(name: E): EventHandler<M[E], R>
listenerCount<E extends keyof M>(name: E): number
getMaxListeners(): number
setMaxListeners(n: number): void
}
declare class EventEmitter<in out M extends EventMap = EventMap> {}
declare namespace EventEmitter {
export function on<M extends EventMap, E extends keyof M>(
emitter: EventEmitter<M>,
name: E,
opts?: { signal?: AbortSignal }
): AsyncIterableIterator<M[E]>
export function once<M extends EventMap, E extends keyof M>(
emitter: EventEmitter<M>,
name: E,
opts?: { signal?: AbortSignal }
): Promise<M[E]>
export function forward<F extends EventMap, E extends keyof F, T extends Pick<F, E>>(
from: EventEmitter<F>,
to: EventEmitter<T>,
names: E | E[],
opts?: { emit?: (name: E, ...args: T[E]) => void }
): void
export function listenerCount<M extends EventMap, E extends keyof M>(
emitter: EventEmitter<M>,
name: E
): number
export function getMaxListeners(emitter: EventEmitter): number
export function setMaxListeners(n: number, ...emitters: EventEmitter[]): void
export let defaultMaxListeners: number
export { EventEmitter, EventEmitterError as errors, EventMap, EventHandler }
}
export = EventEmitter
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