fix: sort stock and bond events by payment date

2026-09-30 07:40:43 +03:00
parent 0bc8bc36b7
commit f5f4447d60
5 changed files with 33 additions and 17 deletions
@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";

-import { isValidPeriod, moscowDate } from "./calendar";
+import { compareDateDesc, isValidPeriod, moscowDate } from "./calendar";
 import { calendarDate } from "./calendar.schema";

 describe("calendar dates", () => {
@@ -32,4 +32,22 @@ describe("calendar dates", () => {
 		expect(moscowDate(new Date("2026-12-31T20:59:59Z"))).toBe("2026-12-31");
 		expect(moscowDate(new Date("2026-12-31T21:00:00Z"))).toBe("2027-01-01");
 	});
+
+	it("compares dates newest first and keeps dateless rows last", () => {
+		const dates = [null, "2026-01-01", "2026-03-01", "2026-02-01"];
+
+		expect(dates.toSorted(compareDateDesc)).toEqual([
+			"2026-03-01",
+			"2026-02-01",
+			"2026-01-01",
+			null,
+		]);
+
+		expect(dates.toSorted((a, b) => compareDateDesc(b, a))).toEqual([
+			null,
+			"2026-01-01",
+			"2026-02-01",
+			"2026-03-01",
+		]);
+	});
 });