From 9ae08cdd9b112ee294da83c7644cd7eef10b39cc Mon Sep 17 00:00:00 2001
From: Ryan Wang <i@ryanc.cc>
Date: Fri, 24 Feb 2023 15:10:12 +0800
Subject: [PATCH] fix: the issue that the useSlugify hook may cause the value
 to be undefined (halo-dev/console#884)
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#### What type of PR is this?

/kind bug

#### What this PR does / why we need it:

修复新建分类和标签之后再次打开表单，别名显示为 undefined 的问题。

#### Which issue(s) this PR fixes:

Fixes https://github.com/halo-dev/halo/issues/3382

#### Special notes for your reviewer:

测试方式：

1. 新建分类或者标签，创建完成之后再次打开创建表单，检查别名是否还为 undefined。

#### Does this PR introduce a user-facing change?

```release-note
修复 Console 端新建分类和标签之后再次打开表单，别名显示为 undefined 的问题。
```
---
 src/composables/use-slugify.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/composables/use-slugify.ts b/src/composables/use-slugify.ts
index 1a47228de..fb727da1e 100644
--- a/src/composables/use-slugify.ts
+++ b/src/composables/use-slugify.ts
@@ -15,6 +15,9 @@ export default function useSlugify(
   );
 
   const handleGenerateSlug = () => {
+    if (!source.value) {
+      return;
+    }
     target.value = slugify(source.value, {
       trim: true,
     });