fix(core): handle stringify symbol

ISSUE: #501
nartc · Aug 31, 2022 · 0f7f90d · 0f7f90d
1 parent 2d142f6
commit 0f7f90d
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Showing 2 changed files with 15 additions and 7 deletions.
diff --git a/packages/core/src/lib/mappings/map.ts b/packages/core/src/lib/mappings/map.ts
@@ -194,7 +194,7 @@ export function map<
                 const errorMessage = `
 Error at "${destinationMemberPath}" on ${
                     (destinationIdentifier as Constructor)['prototype']
-                        ?.constructor?.name || destinationIdentifier
+                        ?.constructor?.name || destinationIdentifier.toString()
                 } (${JSON.stringify(destination)})
 ---------------------------------------------------------------------
 Original error: ${originalError}`;

diff --git a/packages/core/src/lib/utils/assert-unmapped-properties.ts b/packages/core/src/lib/utils/assert-unmapped-properties.ts
@@ -41,17 +41,25 @@ export function assertUnmappedProperties<
         [] as string[]
     );
 
+    const sourceText = getTextFromIdentifier(sourceIdentifier);
+    const destinationText = getTextFromIdentifier(destinationIdentifier);
+
     if (unmappedKeys.length) {
-        const parentInfo = `${
-            (sourceIdentifier as Constructor)['name'] ?? sourceIdentifier
-        } -> ${
-            (destinationIdentifier as Constructor)['name'] ??
-            destinationIdentifier
-        }`;
+        const parentInfo = `${sourceText} -> ${destinationText}`;
         errorHandler.handle(`
 Unmapped properties for ${parentInfo}:
 -------------------
 ${unmappedKeys.join(',\n')}
 `);
     }
 }
+
+function getTextFromIdentifier(identifier: MetadataIdentifier): string {
+    let text = identifier.toString();
+
+    if ((identifier as Constructor).name) {
+        text = (identifier as Constructor).name;
+    }
+
+    return text;
+}