Convert w3u playlist to m3u format

w3u-to-m3u.mjs

#!/usr/bin/env node

import { readFileSync} from 'fs'

const [, , w3uFile] = process.argv
if (!w3uFile) {
  console.error('Usage: w3u-to-m3u <input.w3u>')
  process.exit(1)
}

const w3uContent = readFileSync(w3uFile, 'utf8')
const w3u = JSON.parse(w3uContent)

console.log('#EXTM3U url-tvg="https://raw.githubusercontent.com/davidmuma/EPG_dobleM/refs/heads/master/guiatv.xml, https://epgshare01.online/epgshare01/epg_ripper_NL1.xml.gz"')
console.log('#EXTVLCOPT:network-caching=1000')

const nameDelimiters = /\s(HD|FHD|UHD|SD|1080|720|[^\w\s+])/g;
w3u.groups
  .filter((group) => group.stations !== undefined)
  .forEach((group) => {
    group.stations.forEach((station) => {
      const { name } = station
      const nameParts = name.split(nameDelimiters)
      const sanitizedId = nameParts[0]?.trim()
        .replace(/\b(M\.|Movistar) /gi, 'M+ ')
        .replace(/\bDazn\b/gi, 'DAZN')
        .replace(/\bLa\s?Liga/gi, 'LaLiga')
        .replace(/^Liga de Campeones/i, 'M+ Liga de Campeones')

      // VLC parses the hyphen as a tuple of author - title
      const sanitizedName = name.replace(' - ', ' -- ')

      console.log(`#EXTINF:-1 group-title="${group.name}" tvg-logo="${station.image ?? group.image}" tvg-id="${sanitizedId}", ${sanitizedName}`)
      if (station.url.startsWith('acestream://')) {
        console.log('https://ace.velencoso.cat/' + station.url.slice(12))
      } else {
        console.log(station.url)
      }
    })
  })