fix: keep errors in memory log

Author: holtwick

src/common/data/convert.ts

@@ -1,4 +1,5 @@
 import { Uint8ArrayToHexDump } from './bin'
+import { objectPlain } from './object'
 
 // import { jsonStringify } from './json'
 
@@ -111,6 +112,7 @@ export function formatMessages(
         return `${obj.name || 'Error'}: ${obj.message}\n${obj.stack}`
       }
       try {
+        obj = objectPlain(obj)
         return pretty ? JSON.stringify(obj, null, 2) : JSON.stringify(obj)
       }
       catch (err) {}

src/common/log/log-memory.ts

@@ -32,7 +32,11 @@ export function LoggerMemoryHandler(
 
     msg.timestamp ??= getTimestamp()
 
-    const m = objectPlain(msg, { maxDepth, errorTrace })
+    const m = objectPlain(msg, {
+      maxDepth,
+      errorTrace,
+      keepAsIs: v => v instanceof Error,
+    })
 
     if (compact === true)
       (messages as LogMessageCompact[]).push([m.timestamp, m.level, m.name, ...m.messages])