From 01b8f687f10646d56754daea76e73c6668bf2797 Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <pham@topo.tw>
Date: Thu, 10 Oct 2024 16:13:41 +0800
Subject: fix: the way check scroll line is clear

---
 src/editor.mjs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/editor.mjs b/src/editor.mjs
index 5c65af4..0b3f23e 100644
--- a/src/editor.mjs
+++ b/src/editor.mjs
@@ -344,9 +344,9 @@ new window.MutationObserver(() => {
   if (line) {
     const [lineNumber, offset] = line.split('/')
 
-    if (!isNaN(lineNumber)) {
-      cm.scrollIntoView({ line: lineNumber, ch: 0 }, offset)
-    }
+    if (!lineNumber || isNaN(lineNumber)) return
+
+    cm.scrollIntoView({ line: lineNumber, ch: 0 }, offset)
   }
 }).observe(dumbyContainer, {
   attributes: true,
@@ -379,7 +379,7 @@ new window.MutationObserver(() => {
   const line = textArea.dataset.scrollLine
   let lineNumber = Number(line)
   let p
-  if (isNaN(lineNumber)) return
+  if (!line || isNaN(lineNumber)) return
 
   const paragraphs = Array.from(dumbymap.htmlHolder.querySelectorAll('p'))
   do {
-- 
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