From fbe7dacb66cdcdffb2765881213209bab6af0a7c Mon Sep 17 00:00:00 2001
From: Kazumasa Shimomura <shimomura_kazumasa@cyberagent.co.jp>
Date: Mon, 1 Apr 2024 18:28:23 +0900
Subject: [PATCH] fix: use systemLayoutSizeFitting for SwiftUI sizing

---
 Sources/SwiftUISupport/ComponentSwiftUISupport.swift | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Sources/SwiftUISupport/ComponentSwiftUISupport.swift b/Sources/SwiftUISupport/ComponentSwiftUISupport.swift
index 38e16f2..da2fcd3 100644
--- a/Sources/SwiftUISupport/ComponentSwiftUISupport.swift
+++ b/Sources/SwiftUISupport/ComponentSwiftUISupport.swift
@@ -51,7 +51,16 @@ private struct ComponentRepresenting<C: Component>: UIViewRepresentable {
         if let height = proposal.height {
             uiView.bounds.size.height = height
         }
-        return uiView.intrinsicContentSize
+
+        if uiView.intrinsicContentSize != CGSize(width: UIView.noIntrinsicMetric, height: UIView.noIntrinsicMetric) {
+            return uiView.intrinsicContentSize
+        }
+
+        return uiView.systemLayoutSizeFitting(
+            proposal.replacingUnspecifiedDimensions(by: UIView.layoutFittingCompressedSize),
+            withHorizontalFittingPriority: .required,
+            verticalFittingPriority: .fittingSizeLevel
+        )
     }
 }