update github-releases to get assets

reverse-proxy/github-releases.js

@@ -3,17 +3,28 @@ export default {
         const url = new URL(request.url);
         const { hostname, pathname, search } = url;
         if (checkUrl(pathname)) {
-            return fetch(new Request("https://github.com" + pathname + search, {
+            const response = await fetch(new Request("https://github.com" + pathname + search, {
                 body: request.body,
                 headers: request.headers,
                 method: request.method,
-                redirect: request.redirect
+                redirect: "follow"
             }));
-        } else {
-            let tip = `GitHub 下载代理，支持 releases、archive、tags、raw 等。
+            const responseText = await response.text();
+            const modifiedText = responseText.replace(/github\.com/g, hostname);
 
-使用方法：将 Github 原链接中的 【github.com】 改为 【${hostname}】。
-如：【https://github.com/a/a/releases】改为【https://${hostname}/a/a/releases】。`
+            return new Response(modifiedText, {
+                status: response.status,
+                statusText: response.statusText,
+                headers: response.headers
+            });
+        } else {
+            let tip = `GitHub 下载代理，支持 releases、archive、tags、raw 等。\n\n\n\n
+使用方法：
+将 Github 原链接中的 【github.com】 改为 【${hostname}】。\n
+例如：
+【https://github.com/a/a/releases】
+                  ↓
+【https://${hostname}/a/a/releases】`
             return new Response(tip);
         }
     }