From dc7d715dc30fd576f65f862ee3f1b0b46b48e690 Mon Sep 17 00:00:00 2001
From: Eltrac <hi@guhub.cn>
Date: Sun, 27 Jul 2025 10:48:59 +0800
Subject: refactor: extract backlinks function as a component

---
 layouts/_partials/components/backlinks.html | 37 +++++++++++++++++++++++++++++
 layouts/cards/page.html                     | 25 +------------------
 layouts/library/page.html                   |  1 +
 3 files changed, 39 insertions(+), 24 deletions(-)
 create mode 100644 layouts/_partials/components/backlinks.html

diff --git a/layouts/_partials/components/backlinks.html b/layouts/_partials/components/backlinks.html
new file mode 100644
index 00000000..e97c295c
--- /dev/null
+++ b/layouts/_partials/components/backlinks.html
@@ -0,0 +1,37 @@
+{{ $type := .type }}
+{{ $filename := .filename }}
+{{ $ctx := .context }}
+{{ $referencedBy := slice }}
+
+{{ if eq $type "library" }}
+    {{ range $ctx.Site.Pages }}
+        {{ if and (isset .Params "mentioned_books") (in .Params.mentioned_books $filename) }}
+            {{ $referencedBy = $referencedBy | append . }}
+        {{ end }}
+    {{ end }}
+{{ else if eq $type "cards" }}
+    {{ range $ctx.Site.Pages }}
+        {{ if and (isset .Params "related_cards") (in .Params.related_cards $filename) }}
+            {{ $referencedBy = $referencedBy | append . }}
+        {{ end }}
+    {{ end }}
+{{ end }}
+
+{{- /* 如果有文章引用这个卡片，就显示它们 */ -}}
+{{ if gt (len $referencedBy) 0 }}
+<section class="related-posts post-content my-5">
+    <h2 class="text-size-base m-0 flex items-center gap-2">
+        <span>反向链接</span>
+        <span class="inline-block bg-blockBg rounded-full px-1 text-secondary cursor-help text-size-sm"
+            data-tooltip="这里列出了引用了该页面的其他文章">?</span>
+    </h2>
+    <ul class="my-4 list-none ps-4">
+        {{- range $referencedBy }}
+        <li class="flex gap-4">
+            <span class="text-secondary">→</span>
+            <a href="{{ .Permalink }}">{{ .Title }}</a>
+        </li>
+        {{- end }}
+    </ul>
+</section>
+{{ end }}
diff --git a/layouts/cards/page.html b/layouts/cards/page.html
index 232c9593..0c528867 100644
--- a/layouts/cards/page.html
+++ b/layouts/cards/page.html
@@ -6,29 +6,6 @@
             "imageClass" "w-full"
         ) }}
         {{ partial "items/card" (dict "context" .) }}
-
-        {{- /* 查询引用了这个卡片的文章 */ -}}
-        {{- $currentCard := .File.BaseFileName -}}  <!-- 获取当前卡片的文件名 -->
-        {{- $referencedBy := slice -}}  <!-- 初始化一个空数组 -->
-
-        {{- range .Site.Pages }}
-            {{- if and (isset .Params "related_cards") (in .Params.related_cards $currentCard) }}
-                {{- $referencedBy = $referencedBy | append . }}
-            {{- end }}
-        {{- end }}
-
-        {{- /* 如果有文章引用这个卡片，就显示它们 */ -}}
-        {{ if gt (len $referencedBy) 0 }}
-        <section class="related-posts post-content my-5">
-            <h2 class="text-5 text-secondary m-0">引用了本卡片的文章</h2>
-            <ul class="my-4">
-                {{- range $referencedBy }}
-                    <li>
-                        <a href="{{ .Permalink }}">{{ .Title }}</a>
-                    </li>
-                {{- end }}
-            </ul>
-        </section>
-        {{ end }}
+        {{ partial "components/backlinks" (dict "filename" .File.BaseFileName "type" "cards" "context" .) }}
     </article>
 {{ end }}
diff --git a/layouts/library/page.html b/layouts/library/page.html
index e824077a..5e6a85be 100644
--- a/layouts/library/page.html
+++ b/layouts/library/page.html
@@ -34,6 +34,7 @@
             <p>于 {{ partial "components/date" . }} 读完</p>
             <p>{{ partial "components/tags" . }}</p>
         </div>
+        {{ partial "components/backlinks" (dict "filename" .File.BaseFileName "type" "library" "context" .) }}
         {{ partial "posts/comment.html" . }}
     </article>
 {{ end }}
-- 
cgit v1.2.3