Sven (AAMOS AI)
40 lines
1.5 KiB
TypeScript
40 lines
1.5 KiB
TypeScript
import type { ZodType } from "zod";
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/** Applikationsfel med HTTP-status och maskinläsbar kod. */
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export class ApiError extends Error {
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constructor(
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public readonly statusCode: number,
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public readonly code: string,
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message: string,
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public readonly details?: unknown,
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) {
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super(message);
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this.name = "ApiError";
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}
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}
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export const errors = {
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badRequest: (msg: string, details?: unknown) => new ApiError(400, "BAD_REQUEST", msg, details),
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unauthorized: (msg = "Ogiltig eller saknad autentisering") =>
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new ApiError(401, "UNAUTHORIZED", msg),
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forbidden: (msg = "Åtkomst nekad") => new ApiError(403, "FORBIDDEN", msg),
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notFound: (msg = "Resursen finns inte") => new ApiError(404, "NOT_FOUND", msg),
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conflict: (msg: string) => new ApiError(409, "CONFLICT", msg),
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quotaExceeded: (msg: string) => new ApiError(429, "QUOTA_EXCEEDED", msg),
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paymentRequired: (msg: string) => new ApiError(402, "PREMIUM_REQUIRED", msg),
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internal: (msg = "Internt fel") => new ApiError(500, "INTERNAL", msg),
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};
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/**
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* Validera indata mot ett Zod-schema. Kastar 400 med detaljer vid fel.
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* Medvetet vald i stället för type-provider: färre rörliga delar i
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* major-versionsgränser, samma säkerhet (se docs/beslutslogg.md D-011).
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*/
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export function parse<T>(schema: ZodType<T>, data: unknown, what = "indata"): T {
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const result = schema.safeParse(data);
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if (!result.success) {
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throw new ApiError(400, "VALIDATION_ERROR", `Ogiltig ${what}`, result.error.issues);
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}
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return result.data;
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}
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