Type Alias: DeepPartial<T>#

type DeepPartial<T> = T extends ReadonlyArray<infer U> ? DeepPartial<U>[] : T extends object ? { [K in keyof T]?: DeepPartial<T[K]> } : T;

type DeepPartial<T> = T extends ReadonlyArray<infer U> ? DeepPartial<U>[] : T extends object ? { [K in keyof T]?: DeepPartial<T[K]> } : T;

Defined in: packages/ai/src/types.ts:389

Recursive — every nested field becomes optional. Used as the type on a streaming structured-output part since the progressive JSON parse hands back objects whose fields are only filled in as bytes arrive. Defaulted in → so untyped parts keep their existing shape.

Type Parameters#

T#