fix: remove results map on job queue clear (#2320)

After clearing jobs, the results map should be empty.

packages/utils/src/peer-job-queue.ts

@@ -179,4 +179,9 @@ export class PeerJobQueue extends PQueue<PeerPriorityQueue, PeerPriorityQueueOpt
       }
     }, opts) as Promise<T>
   }
+
+  clear (): void {
+    this.results.clear()
+    super.clear()
+  }
 }

packages/utils/test/peer-job-queue.spec.ts

@@ -93,4 +93,32 @@ describe('peer job queue', () => {
     await expect(joinedJob).to.eventually.rejected
       .with.property('message', error.message)
   })
+
+  it('cannot join jobs after clear', async () => {
+    const value = 'hello world'
+    const deferred = pDefer<string>()
+
+    const peerIdA = await createEd25519PeerId()
+    const queue = new PeerJobQueue({
+      concurrency: 1
+    })
+
+    expect(queue.hasJob(peerIdA)).to.be.false()
+
+    await expect(queue.joinJob(peerIdA)).to.eventually.rejected
+      .with.property('code', 'ERR_NO_JOB_FOR_PEER_ID')
+
+    void queue.add(async () => {
+      return deferred.promise
+    }, {
+      peerId: peerIdA
+    })
+
+    queue.clear()
+
+    await expect(queue.joinJob(peerIdA)).to.eventually.rejected
+      .with.property('code', 'ERR_NO_JOB_FOR_PEER_ID')
+
+    deferred.resolve(value)
+  })
 })