TanTan
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74 lines
3.4 KiB
Plaintext
74 lines
3.4 KiB
Plaintext
import type * as core from "../core/index.js";
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import { visit } from "../core/visit.js";
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import * as schemas from "./schemas.js";
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/** Mini counterpart of `classic/deep-partial.ts`'s `DeepPartial`. */
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// biome-ignore format: preserve vertical layout for readability.
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export type DeepPartial<T extends core.SomeType> =
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T extends schemas.ZodMiniObject<infer Shape, infer Config>
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? schemas.ZodMiniObject<
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{ -readonly [K in keyof Shape]: schemas.ZodMiniOptional<DeepPartial<Shape[K]>> },
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Config
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>
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: T extends schemas.ZodMiniDiscriminatedUnion<infer Options, any>
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? schemas.ZodMiniUnion<
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{ -readonly [I in keyof Options]: Options[I] extends core.SomeType ? DeepPartial<Options[I]> : Options[I] }
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>
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: T extends schemas.ZodMiniUnion<infer Options>
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? schemas.ZodMiniUnion<
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{ -readonly [I in keyof Options]: Options[I] extends core.SomeType ? DeepPartial<Options[I]> : Options[I] }
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>
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: T extends schemas.ZodMiniArray<infer El>
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? schemas.ZodMiniArray<DeepPartial<El>>
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: T extends schemas.ZodMiniTuple<infer Items, infer Rest>
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? schemas.ZodMiniTuple<
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{ -readonly [K in keyof Items]: Items[K] extends core.SomeType ? DeepPartial<Items[K]> : Items[K] },
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Rest extends core.SomeType ? DeepPartial<Rest> : Rest
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>
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: T extends schemas.ZodMiniIntersection<infer A, infer B>
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? schemas.ZodMiniIntersection<DeepPartial<A>, DeepPartial<B>>
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: T extends schemas.ZodMiniRecord<infer K, infer V>
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? schemas.ZodMiniRecord<K, DeepPartial<V>>
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: T extends schemas.ZodMiniMap<infer K, infer V>
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? schemas.ZodMiniMap<K, DeepPartial<V>>
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: T extends schemas.ZodMiniSet<infer El>
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? schemas.ZodMiniSet<DeepPartial<El>>
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: T extends schemas.ZodMiniOptional<infer Inner>
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? schemas.ZodMiniOptional<DeepPartial<Inner>>
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: T extends schemas.ZodMiniNullable<infer Inner>
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? schemas.ZodMiniNullable<DeepPartial<Inner>>
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: T extends schemas.ZodMiniDefault<infer Inner>
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? schemas.ZodMiniDefault<DeepPartial<Inner>>
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: T extends schemas.ZodMiniPrefault<infer Inner>
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? schemas.ZodMiniPrefault<DeepPartial<Inner>>
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: T extends schemas.ZodMiniNonOptional<infer Inner>
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? schemas.ZodMiniNonOptional<DeepPartial<Inner>>
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: T extends schemas.ZodMiniCatch<infer Inner>
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? schemas.ZodMiniCatch<DeepPartial<Inner>>
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: T extends schemas.ZodMiniReadonly<infer Inner>
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? schemas.ZodMiniReadonly<DeepPartial<Inner>>
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: T extends schemas.ZodMiniSuccess<infer Inner>
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? schemas.ZodMiniSuccess<DeepPartial<Inner>>
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: T extends schemas.ZodMiniPromise<infer Inner>
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? schemas.ZodMiniPromise<DeepPartial<Inner>>
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// Must precede ZodMiniPipe, which it extends structurally.
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: T extends schemas.ZodMiniCodec<infer A, infer B>
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? schemas.ZodMiniCodec<DeepPartial<A>, DeepPartial<B>>
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: T extends schemas.ZodMiniPipe<infer A, infer B>
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? schemas.ZodMiniPipe<DeepPartial<A>, DeepPartial<B>>
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: T extends schemas.ZodMiniLazy<infer Inner>
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? schemas.ZodMiniLazy<DeepPartial<Inner>>
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: T;
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/** See `classic/deep-partial.ts`. Mini variant uses `mini.partial(...)`. */
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export function deepPartial<T extends core.SomeType>(schema: T): DeepPartial<T> {
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return visit(schema, {
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object: (s) => schemas.partial(s as schemas.ZodMiniObject),
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// See `classic/deep-partial.ts`.
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union: (s) => {
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const def = s._zod.def as core.$ZodDiscriminatedUnionDef;
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return def.discriminator === undefined ? s : schemas.union(def.options as schemas.ZodMiniType[]);
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},
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}) as unknown as DeepPartial<T>;
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}
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