From 0a09985ffa3e76c77b2cc097c962b103475717f0 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Fri, 17 Jul 2026 06:40:11 +0000
Subject: [PATCH] refactor: simplify calculateMostActiveDay with modern array
 methods

Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
---
 src/lib/github.ts | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/lib/github.ts b/src/lib/github.ts
index d35c21bf..139d5323 100644
--- a/src/lib/github.ts
+++ b/src/lib/github.ts
@@ -90,19 +90,16 @@ function calculateStreaks(calendar: { count: number }[]): { longestStreak: numbe
 
 function calculateMostActiveDay(calendar: { date: string; count: number }[]): string | null {
   const weekdayNames = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
-  const weekdayTotals = Array.from({ length: 7 }, () => 0);
-
-  for (const day of calendar) {
-    if (day.count === 0) {
-      continue;
+  const weekdayTotals = calendar.reduce((totals, day) => {
+    if (day.count > 0) {
+      totals[new Date(`${day.date}T00:00:00Z`).getUTCDay()] += day.count;
     }
-    const weekday = new Date(`${day.date}T00:00:00Z`).getUTCDay();
-    weekdayTotals[weekday] += day.count;
-  }
+    return totals;
+  }, Array(7).fill(0));
 
   const maxWeekdayTotal = Math.max(...weekdayTotals);
   return maxWeekdayTotal > 0
-    ? weekdayNames[weekdayTotals.findIndex((count) => count === maxWeekdayTotal)]
+    ? weekdayNames[weekdayTotals.indexOf(maxWeekdayTotal)]
     : null;
 }