feat: Add giscus

mkdocs.yml

@@ -17,6 +17,7 @@ extra:
 
 theme:
   name: material
+  custom_dir: overrides
   features: # https://squidfunk.github.io/mkdocs-material/setup/
     - navigation.instant # 进度指示器
     - navigation.instant.progress

overrides/main.html

@@ -0,0 +1,48 @@
+{% extends "base.html" %} {% block content %} {{ super() }}
+
+<!-- Giscus -->
+<script src="https://giscus.app/client.js"
+        data-repo="xiaoxuan6/weekly"
+        data-repo-id="R_kgDOK7CX9A"
+        data-category="Announcements"
+        data-category-id="DIC_kwDOK7CX9M4Cb6Pe"
+        data-mapping="pathname"
+        data-strict="0"
+        data-reactions-enabled="1"
+        data-emit-metadata="0"
+        data-input-position="bottom"
+        data-theme="dark"
+        data-lang="zh-CN"
+        crossorigin="anonymous"
+        async>
+</script>
+
+<!-- Synchronize Giscus theme with palette -->
+<script>
+    var palette = __md_get("__palette");
+    if (palette && typeof palette.color === "object")
+        if (palette.color.scheme === "slate") {
+            var giscus = document.querySelector("script[src*=giscus]");
+            giscus.setAttribute("data-theme", "dark");
+        }
+
+    // Register event handlers after documented loaded
+    document.addEventListener("DOMContentLoaded", function () {
+        var ref = document.querySelector("[data-md-component=palette]")
+        ref.addEventListener("change", function () {
+            var palette = __md_get("__palette")
+            if (palette && typeof palette.color === "object") {
+                var theme = palette.color.scheme === "slate" ? "dark" : "light";
+
+                // Instruct Giscus to change theme
+                var frame = document.querySelector(".giscus-frame")
+                frame.contentWindow.postMessage(
+                    {giscus: {setConfig: {theme}}},
+                    "https://giscus.app"
+                )
+            }
+        })
+    })
+</script>
+
+{% endblock %}