feat: opengraph tag injector

functions/[id].ts

@@ -0,0 +1,31 @@
+interface Env {}
+
+export const onRequest: PagesFunction<Env> = async context => {
+  const id = context.params.id as string;
+
+  const next = await context.next();
+  try {
+    const rsp = await fetch(`http://nostr.api.v0l.io/api/v1/opengraph/${id}?canonical=${encodeURIComponent("https://zap.stream/%s")}`, {
+      method: "POST",
+      body: await next.arrayBuffer(),
+      headers: {
+        "user-agent": "zap.stream/1.0 (https://zap.stream)",
+        "content-type": "text/html",
+        "accept": "text/html"
+      },
+    });
+    if (rsp.ok) {
+      const body = await rsp.text();
+      if (body.length > 0) {
+        return new Response(body, {
+          headers: {
+            "content-type": "text/html",
+          },
+        });
+      }
+    }
+  } catch {
+    // ignore
+  }
+  return next;
+};

functions/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "esnext",
+    "lib": ["esnext"],
+    "types": ["@cloudflare/workers-types"]
+  }
+}

package.json

@@ -79,6 +79,7 @@
     ]
   },
   "devDependencies": {
+    "@cloudflare/workers-types": "^4.20231218.0",
     "@formatjs/cli": "^6.1.3",
     "@formatjs/ts-transformer": "^3.13.3",
     "@testing-library/dom": "^9.3.1",

yarn.lock

@@ -1556,6 +1556,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@cloudflare/workers-types@npm:^4.20231218.0":
+  version: 4.20231218.0
+  resolution: "@cloudflare/workers-types@npm:4.20231218.0"
+  checksum: b7e50a76ee8e9d662227bbb74798b93b6102acc224f1071a9c99a9adb419ad0b3bdabf7561e7e1b4a320a6a4616badeecdfb1848fbdaada197c7b37d845b8774
+  languageName: node
+  linkType: hard
+
 "@emoji-mart/data@npm:^1.1.2":
   version: 1.1.2
   resolution: "@emoji-mart/data@npm:1.1.2"
@@ -7792,6 +7799,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "stream_ui@workspace:."
   dependencies:
+    "@cloudflare/workers-types": ^4.20231218.0
     "@emoji-mart/data": ^1.1.2
     "@emoji-mart/react": ^1.1.1
     "@formatjs/cli": ^6.1.3