teidesu-scripts/scripts/media/fwmc-radio.ts

import { mkdir } from 'node:fs/promises'
import { asyncPool } from '@fuman/utils'
import json5 from 'json5'
import Spinnies from 'spinnies'
import { z } from 'zod'
import { downloadFile, ffetch } from '../../utils/fetch.ts'
import { fileExists } from '../../utils/fs.ts'
import { parseJsObject } from '../../utils/strings.ts'

const $ = await ffetch('https://fwmc-ai.github.io/radio/').cheerio()

const script = $('script:icontains(const playlist =)').html()!

const playlistJs = parseJsObject(`[${script.split('const playlist = [').at(-1)!}`)!
const playlist = z.array(
  z.object({
    id: z.string(),
    title: z.string(),
    file: z.string(),
    cover: z.string(),
    category: z.enum(['original', 'cover']),
    lyrics: z.string(),
  }),
).parse(json5.parse(playlistJs))

const spinnies = new Spinnies()

await mkdir('assets/fwmc-radio', { recursive: true })

await asyncPool(playlist, async (item) => {
  const dlPath = `assets/fwmc-radio/${item.id}.mp3`
  if (await fileExists(dlPath)) return

  spinnies.add(item.id, { text: item.title })
  await downloadFile(new URL(item.file, 'https://fwmc-ai.github.io/radio/').toString(), dlPath)
  spinnies.remove(item.id)
})

console.log('done')
spinnies.stopAll()