fix(memory-wiki): avoid implicit error coercion (#99307)

RomneyDa · web-flow · commit b47fe7a4b313 · 2026-07-02T18:56:46.000-07:00
diff --git a/extensions/memory-wiki/src/ingest.ts b/extensions/memory-wiki/src/ingest.ts
@@ -42,8 +42,8 @@ function assertUtf8Text(buffer: Buffer, sourcePath: string): string {
 
 function isEmptyExistingSourcePage(error: unknown): boolean {
   return (
-    !!error &&
     typeof error === "object" &&
+    error !== null &&
     ((error as NodeJS.ErrnoException).code === "ENOENT" ||
       (error as NodeJS.ErrnoException).code === "EISDIR")
   );
