import { describe, expect, it } from "vitest"; import { getTimestampFormatOptions } from "./timestampFormat"; describe("getTimestampFormatOptions", () => {  it("omits hour12 when locale formatting is requested", () => {    expect(getTimestampFormatOptions("locale", true)).toEqual({      hour: "numeric",      minute: "2-digit",      second: "2-digit",    });  });   it("builds a 12-hour formatter with seconds when requested", () => {    expect(getTimestampFormatOptions("12-hour", true)).toEqual({      hour: "numeric",      minute: "2-digit",      second: "2-digit",      hour12: true,    });  });   it("builds a 24-hour formatter without seconds when requested", () => {    expect(getTimestampFormatOptions("24-hour", false)).toEqual({      hour: "numeric",      minute: "2-digit",      hour12: false,    });  });});