ninoseki / mitaka / 13735031517

import axios from "axios";

import { err, ok, ResultAsync } from "neverthrow";

import { Scanners } from "~/scanner";

import { Searchers } from "~/searcher";

function isReachable(url: string) {

  return ResultAsync.fromPromise(

    axios.get(url, { timeout: 10 * 1000 }),

    (e: unknown) => e,

  ).mapErr((e) => {

    if (axios.isAxiosError(e)) {

      return err(`${url} is not reachable`);

    }

    return e;

  });

}

(async (): Promise<void> => {

  const urls = Array.from(

    new Set(

      Searchers.map((s) => s.baseURL).concat(Scanners.map((s) => s.baseURL)),

    ),

  );

  const results = await Promise.all(

    urls.map((u) => ok(u).asyncAndThen((u) => isReachable(u))),

  );

  const errors = results.filter((r) => r.isErr());

  if (errors.length > 0) {

    errors.forEach((e) => {

      console.error(e);

    });

  } else {

    console.log("All goes well");

  }

})();