Initial commit (unpacked platform)

packages/validation/src/common.ts

@@ -0,0 +1,33 @@
+import { z } from "zod";
+import { UNITS } from "@app/shared-types";
+
+export const uuidSchema = z.uuid();
+
+export const idParamSchema = z.object({ id: uuidSchema });
+
+export const dateStringSchema = z
+  .string()
+  .regex(/^\d{4}-\d{2}-\d{2}$/, "Datum måste vara YYYY-MM-DD");
+
+export const paginationQuerySchema = z.object({
+  limit: z.coerce.number().int().min(1).max(100).default(30),
+  offset: z.coerce.number().int().min(0).default(0),
+});
+export type PaginationQuery = z.infer<typeof paginationQuerySchema>;
+
+export const unitSchema = z.enum(UNITS);
+
+export const quantitySchema = z.number().positive().max(1_000_000);
+
+export const confidenceSchema = z.number().min(0).max(1);
+
+/** Standardiserat felsvar från API:t. */
+export const apiErrorSchema = z.object({
+  error: z.object({
+    code: z.string(),
+    message: z.string(),
+    details: z.unknown().optional(),
+    correlationId: z.string().optional(),
+  }),
+});
+export type ApiError = z.infer<typeof apiErrorSchema>;