From 49d2cf45d9ed42a2ef2793e11e89aba9b84588b6 Mon Sep 17 00:00:00 2001
From: Laurent Beauvisage <laurentbeauvisage@gmail.com>
Date: Sun, 13 Apr 2025 18:44:17 +0200
Subject: [PATCH 1/2] reduce value to merge first week of preview year (if week
 number is 53) with first week data

---
 src/Trend.php | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/Trend.php b/src/Trend.php
index 28ff762..da88b06 100755
--- a/src/Trend.php
+++ b/src/Trend.php
@@ -155,6 +155,30 @@ public function mapValuesToDates(Collection $values): Collection
             ->merge($placeholders)
             ->unique('date')
             ->sort()
+            ->reduce(function (Collection $carry, TrendValue $trendValue) {
+                if ($this->interval !== 'week') {
+                    $carry->push($trendValue);
+                    return $carry;
+                }
+
+                [
+                    $year,
+                    $month,
+                ] = explode('-', $trendValue->date);
+                // Handle the special case for week 53 of the year
+                // when the week starts in December and ends in January of the next year merge with the first week of the next year.
+                if ($month == '01') {
+                    if ($lastIndex = $carry->search(fn (TrendValue $value) => $value->date === ($year - 1) . '-53')) {
+                        $last = $carry->get($lastIndex);
+                        $trendValue->aggregate += $last->aggregate;
+                        $carry->splice($lastIndex, 1);
+                    }
+                }
+                $carry->push($trendValue);
+
+                return $carry;
+            }, collect())
+            ->dd()
             ->flatten();
     }
 

From 8437b263dabcbf5abd2ae997d1210eed2cf4b367 Mon Sep 17 00:00:00 2001
From: Laurent Beauvisage <laurentbeauvisage@gmail.com>
Date: Sun, 13 Apr 2025 18:46:08 +0200
Subject: [PATCH 2/2] remove dd()

---
 src/Trend.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/Trend.php b/src/Trend.php
index da88b06..553f144 100755
--- a/src/Trend.php
+++ b/src/Trend.php
@@ -178,7 +178,6 @@ public function mapValuesToDates(Collection $values): Collection
 
                 return $carry;
             }, collect())
-            ->dd()
             ->flatten();
     }