Rework cache middleware to use in-memory cache, remove ExpiringCache module

src/utils/expiring-cache.test.ts

@@ -1,18 +0,0 @@
-import { assert } from '@/deps-test.ts';
-
-import ExpiringCache from './expiring-cache.ts';
-
-Deno.test('ExpiringCache', async () => {
-  const cache = new ExpiringCache(await caches.open('test'));
-
-  await cache.putExpiring('http://mostr.local/1', new Response('hello world'), 300);
-  await cache.putExpiring('http://mostr.local/2', new Response('hello world'), -1);
-
-  // const resp1 = await cache.match('http://mostr.local/1');
-  const resp2 = await cache.match('http://mostr.local/2');
-
-  // assert(resp1!.headers.get('Expires'));
-  assert(!resp2);
-
-  // await resp1!.text();
-});

src/utils/expiring-cache.ts

@@ -1,68 +0,0 @@
-class ExpiringCache implements Cache {
-  #cache: Cache;
-
-  constructor(cache: Cache) {
-    this.#cache = cache;
-  }
-
-  add(request: RequestInfo | URL): Promise<void> {
-    return this.#cache.add(request);
-  }
-
-  addAll(requests: RequestInfo[]): Promise<void> {
-    return this.#cache.addAll(requests);
-  }
-
-  keys(request?: RequestInfo | URL | undefined, options?: CacheQueryOptions | undefined): Promise<readonly Request[]> {
-    return this.#cache.keys(request, options);
-  }
-
-  matchAll(
-    request?: RequestInfo | URL | undefined,
-    options?: CacheQueryOptions | undefined,
-  ): Promise<readonly Response[]> {
-    return this.#cache.matchAll(request, options);
-  }
-
-  put(request: RequestInfo | URL, response: Response): Promise<void> {
-    return this.#cache.put(request, response);
-  }
-
-  putExpiring(request: RequestInfo | URL, response: Response, expiresIn: number): Promise<void> {
-    const expires = Date.now() + expiresIn;
-
-    const clone = new Response(response.body, {
-      status: response.status,
-      headers: {
-        expires: new Date(expires).toUTCString(),
-        ...Object.fromEntries(response.headers.entries()),
-      },
-    });
-
-    return this.#cache.put(request, clone);
-  }
-
-  async match(request: RequestInfo | URL, options?: CacheQueryOptions | undefined): Promise<Response | undefined> {
-    const response = await this.#cache.match(request, options);
-    const expires = response?.headers.get('Expires');
-
-    if (response && expires) {
-      if (new Date(expires).getTime() > Date.now()) {
-        return response;
-      } else {
-        await Promise.all([
-          this.delete(request),
-          response.text(), // Prevent memory leaks
-        ]);
-      }
-    } else if (response) {
-      return response;
-    }
-  }
-
-  delete(request: RequestInfo | URL, options?: CacheQueryOptions | undefined): Promise<boolean> {
-    return this.#cache.delete(request, options);
-  }
-}
-
-export default ExpiringCache;