From 67e1beea7052ea515d47b881d4a30fa3ed847b0b Mon Sep 17 00:00:00 2001
From: Emile Bangma <github@emilebangma.com>
Date: Thu, 17 Oct 2024 22:30:16 +0000
Subject: [PATCH] feat(comments): support custom giscus themes (#1526)

---
 docs/features/comments.md |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/docs/features/comments.md b/docs/features/comments.md
index 92ea754..1f11eff 100644
--- a/docs/features/comments.md
+++ b/docs/features/comments.md
@@ -63,6 +63,18 @@
     category: string
     categoryId: string
 
+    // Url to folder with custom themes
+    // defaults to 'https://${cfg.baseUrl}/static/giscus'
+    themeUrl?: string
+
+    // filename for light theme .css file
+    // defaults to 'light'
+    lightTheme?: string
+
+    // filename for dark theme .css file
+    // defaults to 'dark'
+    darkTheme?: string
+
     // how to map pages -> discussions
     // defaults to 'url'
     mapping?: "url" | "title" | "og:title" | "specific" | "number" | "pathname"
@@ -81,3 +93,24 @@
   }
 }
 ```
+
+#### Custom CSS theme
+
+Quartz supports custom theme for Giscus. To use a custom CSS theme, place the `.css` file inside the `quartz/static` folder and set the configuration values.
+
+For example, if you have a light theme `light-theme.css`, a dark theme `dark-theme.css`, and your Quartz site is hosted at `https://example.com/`:
+
+```ts
+afterBody: [
+  Component.Comments({
+    provider: 'giscus',
+    options: {
+      // Other options
+
+      themeUrl: "https://example.com/static/giscus", // corresponds to quartz/static/giscus/
+      lightTheme: "light-theme", // corresponds to light-theme.css in quartz/static/giscus/
+      darkTheme: "dark-theme", // corresponds to dark-theme.css quartz/static/giscus/
+    }
+  }),
+],
+```

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