formularity-zod-adapter
Version:
Zod Adapter for the Formularity Library
11 lines (10 loc) • 1.74 kB
TypeScript
export type Nullish = null | undefined;
export type DeepKeys<TObj, IsRoot = true, TKey extends keyof TObj = keyof TObj> = TKey extends string | number ? `${Keys<TObj, IsRoot, TKey>}${'' | (TObj[TKey] extends object ? DeepKeys<TObj[TKey], false> : '')}` : never;
export type DeepValue<T, P> = P extends `${infer Left}.${infer Right}` ? Left extends keyof Exclude<T, undefined> ? FieldValueOrUndefined<Exclude<T, undefined>[Left], Right> | Extract<T, undefined> : Left extends `${infer FieldKey}[${infer IndexKey}]` ? FieldKey extends keyof T ? FieldValueOrUndefined<IndexedFieldValueOrUndefined<T[FieldKey], IndexKey>, Right> : undefined : undefined : P extends keyof T ? T[P] : P extends `${infer FieldKey}[${infer IndexKey}]` ? FieldKey extends keyof T ? IndexedFieldValueOrUndefined<T[FieldKey], IndexKey> : undefined : IndexedFieldValueOrUndefined<T, P>;
type RemoveArrayMethods<T> = T extends number ? number : T extends keyof unknown[] ? never : T;
type IsNumberKey<TKey> = TKey extends number ? TKey : never;
type Keys<TObj, IsRoot, TKey extends string | number> = IsRoot extends true ? TKey | (TObj extends unknown[] ? `[${IsNumberKey<TKey>}]` : never) : `.${RemoveArrayMethods<TKey>}` | (TObj extends unknown[] ? `[${IsNumberKey<TKey>}]` | `.[${IsNumberKey<TKey>}]` : never);
type GetIndexedFieldValue<T, K> = K extends keyof T ? T[K] : K extends `${number}` ? 'length' extends keyof T ? number extends T['length'] ? number extends keyof T ? T[number] : undefined : undefined : undefined : undefined;
type FieldValueOrUndefined<T, Key> = DeepValue<Exclude<T, undefined>, Key> | Extract<T, undefined>;
type IndexedFieldValueOrUndefined<T, Key> = GetIndexedFieldValue<Exclude<T, undefined>, Key> | Extract<T, undefined>;
export {};