refactor(pages): decompose index.ts into specialized renderers and utils

pages/src/assets/ts/utils/ui.ts

@@ -0,0 +1,16 @@
+import type { MirrorFileEntry } from '../types.js';
+
+export function generateDownloadLinks(url: string, mirrorFileDb: MirrorFileEntry[]) {
+  const cleanUrl = new URL(url);
+  cleanUrl.search = '';
+  const mirrorEntry = mirrorFileDb.find((g) => g.orig.includes(cleanUrl.toString()));
+
+  const links: string[] = [];
+  if (!mirrorEntry || mirrorEntry.origStatus === true) {
+    links.push(`<a href="${url}" target="_blank">Orig</a>`);
+  }
+  if (mirrorEntry) {
+    links.push(`<a href="${mirrorEntry.mirror}" target="_blank">Mirror</a>`);
+  }
+  return links.join(' / ');
+}