From 4c2b2342212033f53b70b914d640266e8de9b2c4 Mon Sep 17 00:00:00 2001
From: Bo Zhang <bo@gradle.com>
Date: Mon, 26 Jul 2021 08:27:45 +0800
Subject: [PATCH] fix(helper): add fallback to avoid undefined TypeError

In some cases, `strLines` can be `undefined` along some code path
in `pushTokens`, resulting in undefined TypeError.
---
 src/graphic/helper/parseText.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/graphic/helper/parseText.ts b/src/graphic/helper/parseText.ts
index a928552d6..6158f2d64 100644
--- a/src/graphic/helper/parseText.ts
+++ b/src/graphic/helper/parseText.ts
@@ -533,6 +533,11 @@ function pushTokens(
         strLines = str.split('\n');
     }
 
+    // fallback in case of undefined exception
+    if (strLines === undefined) {
+        strLines = str.split('\n')
+    }
+
     for (let i = 0; i < strLines.length; i++) {
         const text = strLines[i];
         const token = new RichTextToken();