From cc6860c07d372d9cd7156d8f80334a79ba2531e5 Mon Sep 17 00:00:00 2001
From: Hiroshi Kimura <muukii.app@gmail.com>
Date: Wed, 8 Mar 2023 19:14:01 +0900
Subject: [PATCH] Fix sizing for iOS13.x (#1)

---
 Sources/SwiftUIHosting/SwiftUIHostingView.swift | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Sources/SwiftUIHosting/SwiftUIHostingView.swift b/Sources/SwiftUIHosting/SwiftUIHostingView.swift
index c938d3d..a45afd5 100644
--- a/Sources/SwiftUIHosting/SwiftUIHostingView.swift
+++ b/Sources/SwiftUIHosting/SwiftUIHostingView.swift
@@ -113,7 +113,14 @@ open class SwiftUIHostingView: UIView {
 
   /// Returns calculated size using internal hosting controller
   open override func sizeThatFits(_ size: CGSize) -> CGSize {
-    hostingController.sizeThatFits(in: size)
+    var fixedSize = size
+    if fixedSize.width == .infinity {
+      fixedSize.width = UIView.layoutFittingCompressedSize.width
+    }
+    if fixedSize.height == .infinity {
+      fixedSize.height = UIView.layoutFittingCompressedSize.height
+    }
+    return hostingController.sizeThatFits(in: fixedSize)
   }
 
   open override func didMoveToWindow() {