import { Dataset, KeyValueStore } from 'crawlee'; const dataset = await Dataset.open<{ url: string; headingCount: number; }>(); // Seeding the dataset with some data await dataset.pushData([ { url: 'https://crawlee.dev/', headingCount: 11, }, { url: 'https://crawlee.dev/storage', headingCount: 8, }, { url: 'https://crawlee.dev/proxy', headingCount: 4, }, ]); // Calling map function and filtering through mapped items... const moreThan5headers = (await dataset.map((item) => item.headingCount)).filter((count) => count > 5); // Saving the result of map to default key-value store... await KeyValueStore.setValue('pages_with_more_than_5_headers', moreThan5headers);