From faae66b9662e83bf3c53bf21678c3f5ffc70a553 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BE=84=E6=B2=A8?= <aquausora@outlook.com>
Date: Mon, 9 Sep 2024 21:39:22 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E5=9B=BE=E7=89=87alt?=
 =?UTF-8?q?=E4=B8=BA=E7=A9=BA=E6=97=B6Fancybox=20caption=E8=BE=93=E5=87=BA?=
 =?UTF-8?q?undefined=E7=9A=84=E9=97=AE=E9=A2=98=20(#925)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 scripts/tags/fancybox.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/tags/fancybox.js b/scripts/tags/fancybox.js
index 292dcfe37..40c1b95f3 100644
--- a/scripts/tags/fancybox.js
+++ b/scripts/tags/fancybox.js
@@ -22,7 +22,7 @@ function buidImgFancybox(content, group) {
   let imgList = html.match(/<img.*?>/g) || [];
   imgList.forEach(item => {
     const url = (item.match(/\ssrc=['"](.*?)['"]/) || [])[1];
-    const alt = (item.match(/\salt=['"](.*?)['"]/) || [])[1];
+    const alt = (item.match(/\salt=['"](.*?)['"]/) || [])[1] || '';
     const newItem = item.replace('img', 'img fancybox itemprop="contentUrl"');  // 避免出现重复替换，打个标
     const result = `<div class='fancybox'><a class='fancybox' itemscope itemtype="https://schema.org.cn/ImageObject" itemprop="url" href='${url}' data-fancybox='${group}' data-caption='${alt}'>${newItem}</a>${buidAlt(imageTags || alt)}</div>`;
     html = html.replace(item, result.trim());