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import { email } from "https://esm.town/v/std/email?v=9";
import { newRSSItems } from "https://esm.town/v/stevekrouse/newRSSItems";
import { rssFeeds } from "https://esm.town/v/stevekrouse/rssFeeds";
export async function pollRSSFeeds({ lastRunAt }: Interval) {
return Promise.all(
Object.entries(rssFeeds).map(async ([name, url]) => {
let items = await newRSSItems({
url,
lastRunAt,
});
if (items.length)
await email({
text: JSON.stringify(items, null, 2),
subject: `New from ${name} RSS`,
});
return { name, items };
}),
);
}
👆 This is a val. Vals are TypeScript snippets of code, written in the browser and run on our servers. Create scheduled functions, email yourself, and persist small pieces of data — all from the browser.