decorated-factory
Version:
A factory decorators for creating objects with faker data
11 lines (10 loc) • 596 B
TypeScript
type PathDepth = 3;
type Join<K, P> = K extends string | number ? (P extends string | number ? `${K}.${P}` : never) : never;
type NonFunctionKeys<T> = {
[K in keyof T]: T[K] extends Function ? never : K;
}[keyof T];
export type Paths<T, Depth extends number = PathDepth> = [Depth] extends [never] ? never : T extends object ? {
[K in NonFunctionKeys<T>]: K extends string | number ? T[K] extends (infer R)[] ? Join<K, Paths<R, Prev[Depth]>> : T[K] extends object ? Join<K, Paths<T[K], Prev[Depth]>> | K : K : never;
}[NonFunctionKeys<T>] : "";
type Prev = [never, 0, 1, 2, 3];
export {};