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enable fetcher immediate stop #1655

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enable fetcher immediate stop #1655

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7 changes: 5 additions & 2 deletions src/consumer/fetcher.js
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Original file line number Diff line number Diff line change
Expand Up @@ -49,10 +49,11 @@ const createFetcher = ({
const start = async () => {
if (isRunning) return
isRunning = true
const stopPromise = new Promise(resolve => emitter.once('stop', resolve))

while (isRunning) {
try {
const batches = await fetch(nodeId)
const batches = await Promise.any([fetch(nodeId), stopPromise])
if (isRunning) {
const availableBatches = filterUnassignedBatches(batches)

Expand All @@ -77,7 +78,9 @@ const createFetcher = ({
const stop = async () => {
if (!isRunning) return
isRunning = false
await new Promise(resolve => emitter.once('end', () => resolve()))
const endPromise = new Promise(resolve => emitter.once('end', resolve))
emitter.emit('stop');
await endPromise;
}

return { start, stop, getWorkerQueue }
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