Fix condictional

vitest-dev · Dec 25, 2021 · 151877f · 151877f
1 parent 0a8939e
commit 151877f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/vitest/src/runtime/error.ts b/packages/vitest/src/runtime/error.ts
@@ -19,7 +19,7 @@ export function serializeError(val: any, seen = new WeakSet()): any {
   if (typeof val.asymmetricMatch === 'function')
     return `${val.toString()} ${format(val.sample)}`
 
-  if (!seen.has(val))
+  if (seen.has(val))
     return val
 
   seen.add(val)