From bb26f31f900826415727615d57cf594d62939c6d Mon Sep 17 00:00:00 2001
From: Ardis Lu <ardisglu@gmail.com>
Date: Tue, 11 Nov 2025 21:16:22 -0800
Subject: [PATCH] Fix type to include undefined

---
 src/core.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core.js b/src/core.js
index be55c12..ce917f8 100644
--- a/src/core.js
+++ b/src/core.js
@@ -222,8 +222,8 @@ export class CSVReader {
  */
 
 /**
- * A row or rows of output CSV data, or `null` to not output anything.
- * @typedef {Array<Array<any>>|Array<any>|ArrayLike<any>|string|null} TransformationOutput
+ * A row or rows of output CSV data, or `null` or `undefined` to not output anything.
+ * @typedef {Array<Array<any>>|Array<any>|ArrayLike<any>|string|null|undefined} TransformationOutput
  */
 
 /**
-- 
2.47.3