feat: get web worker mechanism working (pass file around)

src/decrypt-worker/client.ts

@@ -1 +1,18 @@
+import { ConcurrentQueue } from '../util/ConcurrentQueue';
+import { WorkerClientBus } from '../util/WorkerEventBus';
+import { DECRYPTION_WORKER_ACTION_NAME } from './constants';
+
+// TODO: Worker pool?
 export const workerClient = new Worker(new URL('./worker', import.meta.url), { type: 'module' });
+
+class DecryptionQueue extends ConcurrentQueue<{ id: string; blobURI: string }> {
+  constructor(private workerClientBus: WorkerClientBus, maxQueue?: number) {
+    super(maxQueue);
+  }
+
+  async handler(item: { id: string; blobURI: string }): Promise<void> {
+    return this.workerClientBus.request(DECRYPTION_WORKER_ACTION_NAME.DECRYPT, item.blobURI);
+  }
+}
+
+export const decryptionQueue = new DecryptionQueue(new WorkerClientBus(workerClient));

src/decrypt-worker/constants.ts

@@ -0,0 +1,3 @@
+export enum DECRYPTION_WORKER_ACTION_NAME {
+  DECRYPT = 'DECRYPT',
+}

src/decrypt-worker/worker.ts

@@ -1,3 +1,12 @@
-onmessage = (e) => {
-  console.log(e.data);
-};
+import { WorkerServerBus } from '../util/WorkerEventBus';
+import { DECRYPTION_WORKER_ACTION_NAME } from './constants';
+
+const bus = new WorkerServerBus();
+onmessage = bus.onmessage;
+
+bus.addEventHandler(DECRYPTION_WORKER_ACTION_NAME.DECRYPT, async (blobURI) => {
+  const blob = await fetch(blobURI).then((r) => r.arrayBuffer());
+  // TODO: Implement decryptor for blob received here.
+  console.log(blob);
+  return { hello: true };
+});