Cache API

import * as BunnySDK from "@bunny.net/edgescript-sdk@0.12.0";

BunnySDK.net.http.serve(async (request: Request): Promise<Response> => {
  const url = new URL(request.url);

  try {
    // Normalize the key to a GET on the request URL so reads and writes
    // resolve to the same entry regardless of the inbound method.
    const cacheKey = new Request(url.toString(), { method: "GET" });
    const cache = caches.default;

    const cached = await cache.match(cacheKey);
    if (cached) {
      console.log(`Cache hit for: ${request.url}.`);
      return cached;
    }

    console.log(`Cache miss for: ${request.url}. Generating and caching.`);

    // In a real script this is typically `await fetch(originUrl)`.
    const response = Response.json(
      { value: Math.random() },
      { headers: { "Cache-Control": "s-maxage=10" } },
    );

    // Fire-and-forget the write so we can return immediately.
    Bunny.v1.waitUntil(cache.put(cacheKey, response.clone()));

    return response;
  } catch (e) {
    return new Response(`Cache error: ${(e as Error).message}`, { status: 500 });
  }
});