@foxpage/foxpage-types/lib/common/event.d.ts

foxpage sdk types

/// <reference types="node" />
import { EventEmitter } from 'events';
export type SafeCallback<T> = T extends (...args: any[]) => void ? T : (...args: any[]) => void;
export type EventEmitterCallback<Events, EventName> = EventName extends keyof Events ? SafeCallback<Events[EventName]> : (...args: any[]) => void;
export type StringProperties<E> = {
    [P in keyof E]: P extends string ? P : never;
}[keyof E];
export interface TypedEventEmitter<E> extends Omit<EventEmitter, 'on' | 'off' | 'emit' | 'once'> {
    on<Name extends StringProperties<E>>(event: Name, listener: EventEmitterCallback<E, Name>): this;
    emit<Name extends StringProperties<E>>(event: Name, ...args: Parameters<EventEmitterCallback<E, Name>>): boolean;
    off<Name extends StringProperties<E>>(event: Name, listener: EventEmitterCallback<E, Name>): this;
    once<Name extends StringProperties<E>>(event: Name, listener: EventEmitterCallback<E, Name>): this;
}
export interface FPEventEmitter<T> extends TypedEventEmitter<T> {
}