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import FetchWorker from "$lib/task-manager/workers/fetch?worker";
import { killWorker } from "$lib/task-manager/run-worker";
import { updateWorkerProgress } from "$lib/state/task-manager/current-tasks";
import { pipelineTaskDone, itemError, queue } from "$lib/state/task-manager/queue";
import type { CobaltQueue, UUID } from "$lib/types/queue";
export const runFetchWorker = async (workerId: UUID, parentId: UUID, url: string) => {
const worker = new FetchWorker();
const unsubscribe = queue.subscribe((queue: CobaltQueue) => {
if (!queue[parentId]) {
killWorker(worker, unsubscribe);
}
});
worker.postMessage({
cobaltFetchWorker: {
url
}
});
worker.onmessage = (event) => {
const eventData = event.data.cobaltFetchWorker;
if (!eventData) return;
if (eventData.progress) {
updateWorkerProgress(workerId, {
percentage: eventData.progress,
size: eventData.size,
})
}
if (eventData.result) {
killWorker(worker, unsubscribe);
return pipelineTaskDone(
parentId,
workerId,
eventData.result,
);
}
if (eventData.error) {
killWorker(worker, unsubscribe);
return itemError(parentId, workerId, eventData.error);
}
}
}
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