refactor: simplify calendar and form state

src/entities/bank-card/model/form-validation.test.ts

@@ -51,6 +51,9 @@ describe("bank form input", () => {
 		expect(bankDateSchema.safeParse("2026-09-01").success).toBe(true);
 		expect(bankDateSchema.safeParse("2026-09-02").success).toBe(false);
 		expect(bankDateSchema.safeParse("2026-02-30").success).toBe(false);
+		expect(bankDateSchema.safeParse("0000-01-01").success).toBe(false);
+		expect(bankDateSchema.safeParse("0001-01-01").success).toBe(true);
+		expect(bankDateSchema.safeParse("0099-12-31").success).toBe(true);
 	});
 });
 

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

@@ -1,3 +1,5 @@
+import { moscowDate } from "@/shared/lib";
+
 const DECIMAL_PART_COUNT = 2;
 const CENTS_PRECISION = 2;
 
@@ -21,12 +23,7 @@ function bankMonth(value: null | string) {
 }
 
 function bankToday() {
-	return new Intl.DateTimeFormat("en-CA", {
-		day: "2-digit",
-		month: "2-digit",
-		timeZone: "Europe/Moscow",
-		year: "numeric",
-	}).format(new Date());
+	return moscowDate(new Date());
 }
 
 function moneyCents(value: string): bigint | null {

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

@@ -1,9 +1,9 @@
 import { z } from "zod";
 
 import { validationMessage } from "@/shared/i18n";
+import { calendarDate } from "@/shared/lib";
 
 import { bankToday, moneyCents } from "./form-validation";
-const ISO_DATE_LENGTH = 10;
 const MAX_CARD_NAME_LENGTH = 100;
 const MIN_BALANCE_KOPECKS = -9_223_372_036_854_775_808n;
 const MAX_BALANCE_KOPECKS = 9_223_372_036_854_775_807n;
@@ -34,11 +34,8 @@ const bankDateSchema = z
 	.string()
 	.refine(
 		value =>
-			/^\d{4}-\d{2}-\d{2}$/.test(value)
+			calendarDate.safeParse(value).success
 			&& value >= "0001-01-01"
-			&& !Number.isNaN(Date.parse(`${value}T00:00:00Z`))
-			&& new Date(`${value}T00:00:00Z`).toISOString().slice(0, ISO_DATE_LENGTH)
-			=== value
 			&& value <= bankToday(),
 		{ error: validationMessage("bank.validation.date") },
 	);