From 6191afe08f6c2bebdf2ee6faf95437bc078ace8e Mon Sep 17 00:00:00 2001
From: Jordan Lees <jordanlees@mailbox.org>
Date: Mon, 7 Apr 2025 01:15:01 -0400
Subject: [PATCH] Add a helpful error message when pathRegexp fails

---
 lib/layer.js | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/lib/layer.js b/lib/layer.js
index 6a4408f..198c929 100644
--- a/lib/layer.js
+++ b/lib/layer.js
@@ -83,12 +83,18 @@ function Layer (path, options, fn) {
       }
     }
 
-    return pathRegexp.match((opts.strict ? _path : loosen(_path)), {
-      sensitive: opts.sensitive,
-      end: opts.end,
-      trailing: !opts.strict,
-      decode: decodeParam
-    })
+    try {
+      return pathRegexp.match((opts.strict ? _path : loosen(_path)), {
+        sensitive: opts.sensitive,
+        end: opts.end,
+        trailing: !opts.strict,
+        decode: decodeParam
+      });
+    }
+    catch (err) {
+      console.error(err);
+      throw new Error(`The path route '${_path}' could not be parsed. Check the above error message for details.`);
+    }
   }
   this.matchers = Array.isArray(path) ? path.map(matcher) : [matcher(path)]
 }