From 3b4f6b6adae60ce0388b44e0bd6e2bec1ea0e889 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@gmail.com>
Date: Mon, 6 Jan 2025 16:30:09 -0500
Subject: [PATCH] fix: add source() to JsErrorBox

---
 src/lib.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 1b78bcc..a209116 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -530,7 +530,11 @@ impl std::fmt::Display for JsErrorBox {
   }
 }
 
-impl std::error::Error for JsErrorBox {}
+impl std::error::Error for JsErrorBox {
+  fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+    self.inner.as_ref().and_then(|e| e.source())
+  }
+}
 
 impl JsErrorClass for JsErrorBox {
   fn get_class(&self) -> &'static str {