From 09bb9264301e72674a37df171976d7dbab374376 Mon Sep 17 00:00:00 2001
From: "Micael Levi L. Cavalcante" <mllc@icomp.ufam.edu.br>
Date: Thu, 9 Mar 2023 22:48:18 -0400
Subject: [PATCH] feat(core): use model's name on mapping error message (#518)

---
 packages/core/src/lib/utils/get-mapping.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/core/src/lib/utils/get-mapping.ts b/packages/core/src/lib/utils/get-mapping.ts
index 25cfd239e..6e3f8cf49 100644
--- a/packages/core/src/lib/utils/get-mapping.ts
+++ b/packages/core/src/lib/utils/get-mapping.ts
@@ -23,10 +23,12 @@ export function getMapping(
         ?.get(destinationIdentifier);
 
     if (mapping == null && !allowNull) {
+        const sourceName =
+            typeof source === 'function' ? (source.name || String(source)) : String(source);
+        const destinationName =
+            typeof destination === 'function' ? (destination.name || String(destination)) : String(destination);
         const errorHandler = getErrorHandler(mapper);
-        const errorMessage = `Mapping is not found for ${String(
-            source
-        )} and ${String(destination)}`;
+        const errorMessage = `Mapping is not found for ${sourceName} and ${destinationName}`;
         errorHandler.handle(errorMessage);
         throw new Error(errorMessage);
     }