From b8ef9c927dee32e5629139e4ba5b4dec37fce222 Mon Sep 17 00:00:00 2001
From: schroffl <schroffl@users.noreply.github.com>
Date: Tue, 24 Dec 2024 12:01:53 +0100
Subject: [PATCH] Add proper, helpful error messages for the dict decoder

---
 index.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index 4bb5817..f0df7f9 100644
--- a/index.js
+++ b/index.js
@@ -283,8 +283,10 @@
                         if (isOk(child_value)) {
                             result[key] = child_value.value;
                         } else {
-                            // TODO Wrap in key info
-                            return child_value;
+                            var msg = 'Failed to decode dictionary, because attempting to decode the field \'' + key + '\' failed with the following error:\n\n';
+                            msg += child_value.msg;
+                            msg += '\nwhen attempting to decode the field \'' + key + '\' of\n' + toDebugString(value);
+                            return err(msg);
                         }
                     }