import { Primitive } from "../../primitive";
import { TreeLike } from "./tree";
/**
 * given a tree `T`, changes its leaves from type `LeafType` to type `NewLeafType`
 *
 * @warning does not recurse on list items
 *
 * @since 0.0.8
 */
export type MapLeaves<T, NewLeafType, LeafType = Primitive> = {
    [K in keyof T]: T[K] extends LeafType ? NewLeafType : T[K] extends Record<string, any> ? MapLeaves<T[K], NewLeafType, LeafType> : never;
};
/**
 * given a tree `T`, augments its leaves to also allow leaves of type `Additional`
 *
 * @warning does not recurse on list items
 *
 * @since 0.0.8
 */
export type AugmentLeaves<T, Additional, LeafType = Primitive> = {
    [K in keyof T]: T[K] extends LeafType ? T[K] | Additional : T[K] extends Record<string, any> ? AugmentLeaves<T[K], Additional, LeafType> : never;
};
/**
 * given a tree `T`, disallows its leaves to be of type `Excluded`
 *
 * @warning does not recurse on list items
 *
 * @since 0.0.8
 */
export type ExcludeLeaves<T, Excluded, LeafType = Primitive> = {
    [K in keyof T]: T[K] extends LeafType ? Exclude<T[K], Excluded> : T[K] extends TreeLike ? ExcludeLeaves<T[K], Excluded, LeafType> : never;
};
//# sourceMappingURL=transform-leaves.d.ts.map