refactor: 동일 코드 메서드화

Author: opficdev

DevLog/UI/Common/NavigationBarConfigurator.swift

@@ -31,28 +31,40 @@ struct NavigationBarConfigurator: UIViewControllerRepresentable {
                 coordinator.originalShadowColor = navigationBar.standardAppearance.shadowColor
                 coordinator.originalBackgroundColor = navigationBar.standardAppearance.backgroundColor
             }
-            navigationBar.standardAppearance.shadowColor = .clear
-            navigationBar.standardAppearance.backgroundColor = backgroundColor
-            navigationBar.scrollEdgeAppearance?.shadowColor = .clear
-            navigationBar.scrollEdgeAppearance?.backgroundColor = backgroundColor
-            navigationBar.compactAppearance?.shadowColor = .clear
-            navigationBar.compactAppearance?.backgroundColor = backgroundColor
-            navigationBar.compactScrollEdgeAppearance?.shadowColor = .clear
-            navigationBar.compactScrollEdgeAppearance?.backgroundColor = backgroundColor
+            Self.applyAppearance(
+                to: navigationBar,
+                shadowColor: .clear,
+                backgroundColor: self.backgroundColor
+            )
         }
     }
 
     static func dismantleUIViewController(_ uiViewController: UIViewController, coordinator: Coordinator) {
         if #available(iOS 26, *) { return }
         guard let navigationBar = uiViewController.navigationController?.navigationBar else { return }
-        navigationBar.standardAppearance.shadowColor = coordinator.originalShadowColor
-        navigationBar.standardAppearance.backgroundColor = coordinator.originalBackgroundColor
-        navigationBar.scrollEdgeAppearance?.shadowColor = coordinator.originalShadowColor
-        navigationBar.scrollEdgeAppearance?.backgroundColor = coordinator.originalBackgroundColor
-        navigationBar.compactAppearance?.shadowColor = coordinator.originalShadowColor
-        navigationBar.compactAppearance?.backgroundColor = coordinator.originalBackgroundColor
-        navigationBar.compactScrollEdgeAppearance?.shadowColor = coordinator.originalShadowColor
-        navigationBar.compactScrollEdgeAppearance?.backgroundColor = coordinator.originalBackgroundColor
+        applyAppearance(
+            to: navigationBar,
+            shadowColor: coordinator.originalShadowColor,
+            backgroundColor: coordinator.originalBackgroundColor
+        )
+    }
+
+    private static func applyAppearance(
+        to navigationBar: UINavigationBar,
+        shadowColor: UIColor?,
+        backgroundColor: UIColor?
+    ) {
+        let appearances = [
+            navigationBar.standardAppearance,
+            navigationBar.scrollEdgeAppearance,
+            navigationBar.compactAppearance,
+            navigationBar.compactScrollEdgeAppearance
+        ]
+
+        for appearance in appearances {
+            appearance?.shadowColor = shadowColor
+            appearance?.backgroundColor = backgroundColor
+        }
     }
 
     class Coordinator {