Edits history of script submission #22329 for ' RSS Feed Fetcher (RSS)'

• bun

  Ap­pro­ved version

  Edit in Windmill

  Embed

  import * as wmill from "windmill-client@1";
  import { XMLParser } from "fast-xml-parser@4";
  
  const parser = new XMLParser({
    ignoreAttributes: false,
    attributeNamePrefix: "@",
  });
  
  type Rss = {
    url: string;
  };
  export async function main(rss_feed: Rss) {
    const rss_feed_url = rss_feed.url;
    let feedStates = (await wmill.getInternalState()) || {};
    const newestItem: Date = new Date(feedStates[rss_feed_url] || 0);
  
    const items = await fetch(rss_feed_url)
      .then((response) => response.text())
      .then((str) => parser.parse(str))
      .then((feed) => {
        let items = [];
        if (feed["rss"]) {
          items = rss2_items(feed);
        } else if (feed["feed"]) {
          items = atom_items(feed);
        }
        const new_items = items.filter((item) => item.pubDate > newestItem);
        return new_items;
      });
  
    if (items.length > 0) {
      let newState = (await wmill.getInternalState()) || {};
      const dates = items.map((item) => item.pubDate);
      newState[rss_feed_url] = new Date(Math.max(...dates));
      await wmill.setInternalState(newState);
    }
  
    return items.reverse();
  }
  
  function rss2_items(feed) {
    var items = feed["rss"]["channel"]["item"] || [];
    if (items.length === "undefined") {
      // Single entry
      items = [items];
    }
    return items.map((item) => ({
      title: item.title,
      link: item.link,
      pubDate: new Date(item.pubDate),
    }));
  }
  
  function atom_items(feed) {
    var items = feed["feed"]["entry"] || [];
    if (items.length === "undefined") {
      // Single entry
      items = [items];
    }
    return items.map((item) => ({
      title: typeof item.title === "string" ? item.title : item.title["#text"],
      link:
        item.link instanceof Array ? item.link[0]["@href"] : item.link["@href"],
      pubDate: new Date(item.updated),
    }));
  }
  

  Submitted by hugo989 12 days ago