From a43bdd31d3e053de100773dfaa34e7225dcf49a8 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Tue, 8 Jul 2025 09:47:39 -0700
Subject: feat: Development commit

---
 Sora/Data/Scroll/ScrollPositionPreferenceKey.swift | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Sora/Data/Scroll/ScrollPositionPreferenceKey.swift

(limited to 'Sora/Data/Scroll/ScrollPositionPreferenceKey.swift')

diff --git a/Sora/Data/Scroll/ScrollPositionPreferenceKey.swift b/Sora/Data/Scroll/ScrollPositionPreferenceKey.swift
new file mode 100644
index 0000000..6b78bdc
--- /dev/null
+++ b/Sora/Data/Scroll/ScrollPositionPreferenceKey.swift
@@ -0,0 +1,19 @@
+import SwiftUI
+
+struct ScrollPositionPreferenceKey: PreferenceKey {
+  typealias Value = ScrollPositionPreference?
+
+  static var defaultValue: Value = nil
+
+  static func reduce(value: inout Value, nextValue: () -> Value) {
+    guard let next = nextValue() else { return }
+
+    if let current = value {
+      if abs(next.yPosition) < abs(current.yPosition) {
+        value = next
+      }
+    } else {
+      value = next
+    }
+  }
+}
-- 
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