epg/scripts/create-matrix.js

const file = require('./file')
const parser = require('./parser')

file.list('sites/*.channels.xml', ['sites/andorradifusio.ad.channels.xml']).then(files => {
  const matrix = {
    site: [],
    country: []
  }

  files.forEach(filename => {
    const channelsFile = file.read(filename)
    const parsed = parser.parseChannels(channelsFile)
    parsed.groups.forEach(group => {
      matrix.site.push(parsed.site)
      matrix.country.push(group.country.toLowerCase())
    })
  })

  const output = `::set-output name=matrix::${JSON.stringify(matrix)}`
  console.log(output)
})