// epg-worker.js — module worker that parses XMLTV off the main thread.
//
// Keeps the guide responsive when a 50MB+ EPG feed lands: the expensive parse
// happens here, the main thread only receives the finished program array.
// Launched as `new Worker('./epg-worker.js', { type: 'module' })`.

import { parseXmltv } from './lib/xmltv-parse.js';

self.onmessage = (e) => {
  const { id, xml } = e.data || {};
  try {
    const programs = parseXmltv(xml);
    self.postMessage({ id, ok: true, programs });
  } catch (err) {
    self.postMessage({ id, ok: false, error: String(err) });
  }
};