// Node.js
import { OAIPMH, OAIPMHParser } from "oai_pmh_v2";
// Deno
import {
  OAIPMH,
  OAIPMHParser,
} from "https://deno.land/x/oai_pmh_v2/src/mod.ts";

// You can find OAI-PMH providers here (although a lot of them might be non functional):
// https://www.openarchives.org/Register/BrowseSites
const oaiPmh = new OAIPMH({
  baseUrl:
    "http://bibliotecavirtual.asturias.es/i18n/oai/oai_bibliotecavirtual.asturias.es.cmd",
});

const info = await oaiPmh.identify({ signal: AbortSignal.timeout(20000) });

console.log(info);

for await (
  const records of oaiPmh.listRecords<
    {
      Define: "the structure of";
      your: "records";
      like: { so: "!"; Otherwise: { "they're of type": [unknown, "."] } };
      "Don't": "forget that arrays with single elements won't be arrays"[];
      due: { to: "the way xml works, so you'll always have to check!" };
    }
  >(
    { metadataPrefix: "marc21" },
    { signal: AbortSignal.timeout(17000) },
  )
) {
  console.log(records);
}