refactor: derive payment-system options from schema tuple (#58) (#75)

src/entities/bank-card/model/form.schema.ts

@@ -6,6 +6,7 @@ import { calendarDate } from "@/shared/lib";
 import { bankToday } from "./form-validation";
 import { moneyCents } from "./money";
 const MAX_CARD_NAME_LENGTH = 100;
+const paymentSystemValues = ["mir", "visa", "mastercard"] as const;
 const MIN_BALANCE_KOPECKS = -9_223_372_036_854_775_808n;
 const MAX_BALANCE_KOPECKS = 9_223_372_036_854_775_807n;
 
@@ -63,7 +64,7 @@ const bankCardSchema = z.object({
 	openingBalance: moneySchema,
 	openingDate: bankDateSchema,
 	paymentSystem: z
-		.enum(["", "mir", "visa", "mastercard"], {
+		.enum(["", ...paymentSystemValues], {
 			error: validationMessage("bank.validation.paymentSystem"),
 		})
 		.optional(),
@@ -75,5 +76,6 @@ export {
 	bankCardSchema,
 	type BankCardValues,
 	bankDateSchema,
+	paymentSystemValues,
 	positiveMoneySchema,
 };