chore: remove Giscus

- export old Discussion data as JSON and render them if found
- move legacy "Static Comments" to giscus.json
- remove giscus code


Former-commit-id: 96005ad565c7f1b90a04382157ea6aa4c13365b0

2 files changed, 35 insertions, 58 deletions

diff --git a/layouts/_partials/posts/comment.html b/layouts/_partials/posts/comment.html
index 6e959f49..e4ec9b3e 100644
--- a/layouts/_partials/posts/comment.html
+++ b/layouts/_partials/posts/comment.html
@@ -1,65 +1,43 @@
-{{ with .Params.comments }}
-<!-- Static Comments -->
-<div class="my-8">
-    <p class="text-secondary">{{ T "postPage.staticCommentsSectionHeader" }}</p>
-    {{ range . }}
-        <div class="text-xl border-b border-solid border-[#ccc] py-4 px-1">
-            <div class="mb-4 flex justify-between">
-                <span class="font-bold">{{ .name }}</span>
-                <span class="text-secondary">{{ .date }}</span>
-            </div>
-            <div>
-                {{ .content | safeHTML }}
-            </div>
-            <div class="text-4 text-right text-secondary">
-                {{ with .source }}
-                <p class="font-mono">{{ T "postPage.originallyPostedOn" . }}</p>
-                {{ end }}
-            </div>
-        </div>
-    {{ end }}
-</div>
-{{ end }}
-
 <!-- email info -->
 <p class="text-size-sm text-secondary">
     *{{ T "emailMe" }} <a href="mailto:{{ .Site.Params.email }}">{{ .Site.Params.email }}</a>
 </p>
 
-<!-- giscus container -->
-<div class="giscus">
-    <p style="text-align:center">
-        {{ T "postPage.commentNotLoaded" }}
-    </p>
-</div>
+<!--
+    Giscus has been abandoned since 2026-01-30,
+    old data from GitHub Discussion and some other comment systems
+    has been exported to `data/gicus.json`
+    They are rendered here if found.
+-->
+{{ $cutoffDate := time.AsTime "2026-01-30" }}
+{{ if .Params.Date.Before $cutoffDate }}
 
-<!-- giscus script -->
-<script>
-function loadGiscus() {
-    if (document.querySelector('iframe.giscus-frame')) return; // 防止重复加载
+    <p class="text-size-sm text-secondary">博客的评论区已经被禁用，旧的数据已经导出，如果存在，就会显示在下方。如果你想要讨论此文，可以邮件联系，或者在<a href="{{ with .Params.toot }}{{ . }}{{ else }}https://akk.eltr.ac/eltrac{{ end }}">联邦宇宙上互动</a>。</p>
 
-    const script = document.createElement("script");
-    script.src = "https://giscus.app/client.js";
-    script.setAttribute("data-repo", "{{ .Site.Params.giscus.repo }}");
-    script.setAttribute("data-repo-id", "{{ .Site.Params.giscus.repoId }}");
-    script.setAttribute("data-category", "{{ .Site.Params.giscus.category }}");
-    script.setAttribute("data-category-id", "{{ .Site.Params.giscus.categoryId }}");
-    script.setAttribute("data-mapping", "{{ .Site.Params.giscus.mapping }}");
-    script.setAttribute("data-strict", "{{ .Site.Params.giscus.strict }}");
-    script.setAttribute("data-reactions-enabled", "{{ .Site.Params.giscus.reactionsEnabled }}");
-    script.setAttribute("data-emit-metadata", "1");
-    script.setAttribute("data-input-position", "{{ .Site.Params.giscus.inputPosition }}");
-    script.setAttribute("data-theme", "{{ .Site.Params.giscus.theme }}");
-    script.setAttribute("data-lang", "{{ T "lang" }}");
-    script.setAttribute("crossorigin", "anonymous");
-    script.async = true;
-    document.body.appendChild(script);
-}
+    <hr />
 
-if ("requestIdleCallback" in window) {
-    requestIdleCallback(() => loadGiscus());
-} else {
-    // fallback for Safari
-    window.addEventListener("load", () => { loadGiscus(); });
-}
-</script>
+    {{ $giscusData := .Site.Data.giscus }}
+    {{ $pageTitle := .Title }}
+    {{ range $giscusData }}
+        {{ if eq .title $pageTitle }}
+            {{ with .comments.nodes }}
+            <div class="my-8">
+                {{ range . }}
+                    <div class="text-md py-4 px-1">
+                        <div class="mb-4 flex justify-between">
+                            <span class="font-bold">{{ .author.login }}</span>
+                            <span class="text-secondary">{{ .createdAt | time.Format "2006/01/02" }}</span>
+                        </div>
+                        <div>
+                            {{ .body | markdownify }}
+                        </div>
+                    </div>
+                {{ end }}
+            </div>
+            {{ end }}
+            {{ with .url }}
+                <p><a href="{{ . }}" class="small-button" target="_blank">Full GitHub Discussion →</a></p>
+            {{ end }}
+        {{ end }}
+    {{ end }}
+{{ end }}
diff --git a/layouts/_partials/scripts.html b/layouts/_partials/scripts.html
index 66811640..17906c31 100644
--- a/layouts/_partials/scripts.html
+++ b/layouts/_partials/scripts.html
@@ -12,7 +12,6 @@
     (resources.Get "js/toc.js")
     (resources.Get "js/inject-footnotes.js")
     (resources.Get "js/back2top.js")
-    (resources.Get "js/giscus-count.js")
     (resources.Get "js/like.js")
   }}
   {{ $articleBundle := $articleJS | resources.Concat "js/article-bundle.js" | minify | fingerprint }}