changes

website/src/data/release.ts

@@ -0,0 +1,52 @@
+// Resolves the latest GitHub release to a direct download URL per OS, at build
+// time. The picked file follows each platform's `match` order in site.ts.
+// Falls back to the releases page if the release can't be read.
+
+import { site, platforms } from "./site";
+
+type Asset = { name: string; browser_download_url: string };
+
+export type Release = {
+  version: string;
+  urls: Record<string, string>;
+};
+
+function pickAsset(assets: Asset[], match: string[]): string | null {
+  for (const sfx of match) {
+    const hit = assets.find((a) => a.name.toLowerCase().endsWith(sfx.toLowerCase()));
+    if (hit) return hit.browser_download_url;
+  }
+  return null;
+}
+
+function fallback(): Release {
+  return {
+    version: "",
+    urls: Object.fromEntries(platforms.map((p) => [p.id, site.releasesUrl])),
+  };
+}
+
+async function fetchRelease(): Promise<Release> {
+  try {
+    const res = await fetch(`https://api.github.com/repos/${site.repo}/releases/latest`, {
+      headers: { Accept: "application/vnd.github+json" },
+      signal: AbortSignal.timeout(8000),
+    });
+    if (!res.ok) return fallback();
+    const data = await res.json();
+    const assets: Asset[] = data.assets || [];
+    const urls = Object.fromEntries(
+      platforms.map((p) => [p.id, pickAsset(assets, p.match) ?? site.releasesUrl]),
+    );
+    return { version: data.tag_name ?? "", urls };
+  } catch {
+    return fallback();
+  }
+}
+
+let cached: Promise<Release> | null = null;
+
+export function getRelease(): Promise<Release> {
+  cached ??= fetchRelease();
+  return cached;
+}