main.aro

(* ============================================================
   ARO Web Crawler - Application Entry Point

   Reads CRAWL_URL from environment and starts the crawl process.
   ============================================================ *)

(Application-Start: Web Crawler) {
    Log "Starting Web Crawler..." to the <console>.

    (* Read starting URL from environment *)
    Extract the <start-url> from the <env: CRAWL_URL>.

    Log "Starting URL: ${<start-url>}" to the <console>.

    (* Create output directory *)
    Create the <output-path> with "./output".
    Make the <output-dir> to the <directory: output-path>.
    Log "Output directory created" to the <console>.

    (* Queue initial URL - Emit blocks until the entire crawl chain completes *)
    Emit a <QueueUrl: event> with { url: <start-url>, base: <start-url> }.

    Return an <OK: status> for the <startup>.
}

(Application-End: Success) {
    Log "🥁 Web Crawler completed!" to the <console>.
    Log the <metrics: table> to the <console>.
    Return an <OK: status> for the <shutdown>.
}