import type { ActionArray } from './helpers';
import type { SvelteHTMLElements } from 'svelte/elements';
export type IfEquals<T, U, Y = unknown, N = never> = (<G>() => G extends T ? 1 : 2) extends <G>() => G extends U ? 1 : 2 ? Y : N;
/**
 * UnwrapCustomEvents is a utility type that maps through each property of the given type `T`,
 * and checks if the property type extends CustomEvent. If it does, it extracts the generic type
 * parameter of CustomEvent (i.e., `U`). Otherwise, it keeps the original property type.
 *
 * This type is useful for extracting the details object from CustomEvent types.
 *
 * @template T - The input object type with properties to be mapped and checked.
 */
export type UnwrapCustomEvents<T> = {
    [K in keyof T]: T[K] extends CustomEvent<infer U> ? U : T[K];
};
/**
 * WrapWithCustomEvent is a utility type that maps through each property of the given
 * type `T`, and wraps the property type with CustomEvent, effectively transforming the property
 * type into CustomEvent<T[K]>.
 *
 * This type is useful for wrapping the properties of a type with CustomEvent.
 *
 * @template T - The input object type with properties to be mapped and wrapped.
 */
export type WrapWithCustomEvent<T> = {
    [K in keyof T]: CustomEvent<T[K]>;
};
export type Nullable<T> = T | null;
export type ValueOf<T> = T[keyof T];
export type BaseProps<El extends keyof SvelteHTMLElements = 'div'> = SvelteHTMLElements[El] & {
    use?: ActionArray;
    ['data-testid']?: string;
    ['data-state']?: string;
    [key: `data-${string}`]: string | boolean | undefined;
};