Nicolas HOARAU
9314e72f3e
Create @workspace/schema package with Project and Task table definitions, Drizzle relations, Valibot validation schemas (select/insert/update), and wire as workspace dependency in API and Web apps.
38 lines
2.4 KiB
Markdown
38 lines
2.4 KiB
Markdown
## Context
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The schema package currently has two manually maintained modules (`validation/` and `types/`) that mirror Drizzle table definitions. Drizzle ORM has built-in Valibot support (`drizzle-orm/valibot`) that can derive insert, update, and select schemas directly from `pgTable` definitions — eliminating the need for hand-written validators and separate type files.
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The constant arrays in `drizzle/enums.ts` (`PROJECT_STATUSES`, `TASK_STATUSES`, `PRIORITIES`) already define the allowed values. These can feed into Valibot `picklist()` refinements via the customization callback in `createInsertSchema`/`createUpdateSchema`.
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## Goals / Non-Goals
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**Goals:**
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- Replace Superstruct with Valibot as the validation library
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- Derive insert/update schemas from Drizzle tables using `drizzle-orm/valibot`
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- Remove the `validation/` and `types/` source directories
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- Remove `superstruct` dependency; add `valibot`
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- Keep DB-level CHECK constraints — Valibot refinements layer on top
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- Ensure `createUpdateSchema` produces all-optional shapes (replacing manual partial logic)
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**Non-Goals:**
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- No change to `drizzle/` module structure or table definitions
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- No change to the public import paths consumers use
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- No migration or database changes
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## Decisions
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1. **Use `drizzle-orm/valibot` not `drizzle-valibot` package** — the integration is built into `drizzle-orm` itself (since v1.0.0-beta.15). No separate package needed.
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2. **One composer file for all Valibot schemas** — a single `src/valibot.ts` (or inline in `drizzle/`) containing `createInsertSchema` and `createUpdateSchema` calls for each table. No separate `validation/` directory.
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3. **Customization via the second argument callback** — enum-constrained fields use `(schema) => pipe(schema, picklist([...ARRAY]))` to add the allowed-value constraint on top of Drizzle's auto-generated type info.
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4. **Types are inferred, not declared** — `v.InferOutput<typeof projectInsert>` replaces the manual type aliases in `types/`. Consumers import the Valibot schema and derive types as needed.
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## Risks / Trade-offs
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- **[New dependency]** Valibot replaces Superstruct. The API surface is similar but not identical — consumers may need to adjust error handling (Valibot uses `ValiError` not `StructError`).
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- **[Picklist sync]** The `picklist()` values reference the constant arrays, so they stay in sync automatically. No new drift risk.
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