Files
2026-07-13 13:23:39 +08:00

55 lines
1.5 KiB
JavaScript

import { Worker, workerData } from 'worker_threads';
import { URL } from 'url';
import { once } from 'events';
import { Actor } from 'apify';
import { CheerioCrawler, Configuration, Dataset } from '@crawlee/cheerio';
process.env.CRAWLEE_PURGE_ON_START = '0';
const mainOptions = {
exit: Actor.isAtHome(),
storage:
process.env.STORAGE_IMPLEMENTATION === 'LOCAL'
? new (await import('@apify/storage-local')).ApifyStorageLocal()
: undefined,
};
const thisFile = new URL(import.meta.url);
if (workerData !== '#actor') {
const firstRun = new Worker(thisFile, {
workerData: '#actor',
});
const [firstExitCode] = await once(firstRun, 'exit');
const secondRun = new Worker(thisFile, {
workerData: '#actor',
});
const [secondExitCode] = await once(secondRun, 'exit');
if (firstExitCode !== 0 || secondExitCode !== 0) {
throw new Error(`Unexpected exit code:\nfirst run: ${firstExitCode}\nsecond run: ${secondExitCode}`);
}
} else {
await Actor.main(async () => {
const crawler = new CheerioCrawler({
maxConcurrency: 1,
maxRequestsPerCrawl: 5,
async requestHandler({ enqueueLinks, request }) {
const { url } = request;
await enqueueLinks();
await Dataset.pushData({ url });
process.emit('SIGINT');
},
});
Configuration.getGlobalConfig().getStorageClient().__purged = false;
await crawler.run(['https://crawlee.dev']);
}, mainOptions);
}