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morluto
204b9f3ac1
Keep item schemas when compact inputs reduce nested structure, expose literal tuple elements to items-first renderers, and preserve SQLite table-selection guidance across compaction. Verify catalog-wide client constraints and canonical rejection before dispatch. Document the stock Pi renderer size limit and caller-selected recovery.
15 lines
583 B
TypeScript
15 lines
583 B
TypeScript
import { z } from "zod";
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/** Fixed tuples with explicit item and length constraints in JSON Schema. */
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export const fixedTupleSchema = <
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const Items extends readonly [z.ZodType, ...z.ZodType[]],
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>(
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items: Items,
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): z.ZodTuple<Items, z.ZodUnion<Items>> =>
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// Keep the positional schemas and lengths explicit. The union rest schema
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// gives clients that only understand `items` useful element guidance; the
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// exact maximum length means no rest element can be accepted.
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z
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.tuple(items, z.union(items))
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.check(z.minLength(items.length), z.maxLength(items.length));
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