From f508c04ecdb3e753dee670b915bcadfb7b7a5c7a Mon Sep 17 00:00:00 2001
From: Brandon Williams <mbrandonw@hey.com>
Date: Thu, 26 Sep 2024 09:40:13 -0400
Subject: [PATCH] Print runtime warning in previews.

---
 Examples/Examples/ExamplesApp.swift                          | 5 +++++
 .../IssueReporters/RuntimeWarningReporter.swift              | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/Examples/Examples/ExamplesApp.swift b/Examples/Examples/ExamplesApp.swift
index 8467a29..9a369e8 100644
--- a/Examples/Examples/ExamplesApp.swift
+++ b/Examples/Examples/ExamplesApp.swift
@@ -26,3 +26,8 @@ class ItemsModel {
     return lastItem
   }
 }
+
+#Preview {
+  let model = ItemsModel()
+  Text(model.lastItem?.description ?? "No last item")
+}
diff --git a/Sources/IssueReporting/IssueReporters/RuntimeWarningReporter.swift b/Sources/IssueReporting/IssueReporters/RuntimeWarningReporter.swift
index 9d95dda..e13aa2a 100644
--- a/Sources/IssueReporting/IssueReporters/RuntimeWarningReporter.swift
+++ b/Sources/IssueReporting/IssueReporters/RuntimeWarningReporter.swift
@@ -66,6 +66,11 @@ public struct _RuntimeWarningReporter: IssueReporter {
     column: UInt
   ) {
     #if canImport(os)
+    guard ProcessInfo.processInfo.environment["XCODE_RUNNING_FOR_PREVIEWS"] != "1"
+    else {
+      print("🟣 \(fileID):\(line): \(message() ?? "")")
+      return
+    }
       let moduleName = String(
         Substring("\(fileID)".utf8.prefix(while: { $0 != UTF8.CodeUnit(ascii: "/") }))
       )