From a070329b05286d7e2eebd86367f0f949ad769cbc Mon Sep 17 00:00:00 2001
From: Cristen Jones <cjones3@mbta.com>
Date: Mon, 30 Oct 2023 15:33:35 -0400
Subject: [PATCH] feat(date): helper function to format today

---
 .../assets/ts/helpers/__tests__/date-test.ts   | 18 +++++++++++++++++-
 apps/site/assets/ts/helpers/date.ts            |  7 +++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/apps/site/assets/ts/helpers/__tests__/date-test.ts b/apps/site/assets/ts/helpers/__tests__/date-test.ts
index 69200fe5d6..1abfc29787 100644
--- a/apps/site/assets/ts/helpers/__tests__/date-test.ts
+++ b/apps/site/assets/ts/helpers/__tests__/date-test.ts
@@ -2,7 +2,8 @@ import { addMinutes, addSeconds } from "date-fns";
 import {
   compareStringTimes,
   formatRelativeTime,
-  formatToBostonTime
+  formatToBostonTime,
+  todayDateString
 } from "../date";
 
 describe("compareStringTimes", () => {
@@ -44,3 +45,18 @@ describe("formatRelativeTime", () => {
     expect(formatRelativeTime(laterDate, baseDate)).toBe("11:10 AM");
   });
 });
+
+describe("todayDateString", () => {
+  beforeAll(() => {
+    jest.useFakeTimers();
+    jest.setSystemTime(new Date("2012-10-10T09:00:00.000+04:00"));
+  });
+
+  it("returns formatted today date", () => {
+    expect(todayDateString()).toEqual("Oct 10");
+  });
+
+  afterAll(() => {
+    jest.useRealTimers();
+  });
+});
diff --git a/apps/site/assets/ts/helpers/date.ts b/apps/site/assets/ts/helpers/date.ts
index cc2927e438..6a6406eaf5 100644
--- a/apps/site/assets/ts/helpers/date.ts
+++ b/apps/site/assets/ts/helpers/date.ts
@@ -119,4 +119,11 @@ export const isSameDayInBoston = (
   return date1InBoston === date2InBoston;
 };
 
+export const todayDateString = (): string =>
+  new Date().toLocaleDateString("en-US", {
+    month: "short",
+    day: "numeric",
+    timeZone: BOSTON_TIMEZONE
+  });
+
 export default formattedDate;