nullish coalescing

Author: malikj2000

src/operations/update.ts

@@ -241,8 +241,8 @@ export class ReplaceOneOperation extends UpdateOperation {
     if (res.writeErrors) throw new MongoServerError(res.writeErrors[0]);
 
     return {
-      acknowledged: this.writeConcern?.w !== 0 ?? true,
-      modifiedCount: res.nModified != null ? res.nModified : res.n,
+      acknowledged: this.writeConcern?.w !== 0,
+      modifiedCount: res.nModified ?? res.n,
       upsertedId:
         Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
       upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,