types-helpers/dist/flatten/FlatHelper.d.ts

Librería de utilidades avanzadas para tipos en TypeScript

import { IsPrimitive } from "./IsPrimitive";
export type FlatHelper<T, P extends string = ""> = {
    [K in keyof T]: IsPrimitive<T[K]> extends true ? {
        [Key in `${P}${K & string}`]: T[K];
    } : T[K] extends object ? FlatHelper<T[K], `${P}${K & string}.`> : never;
}[keyof T];