build.js

const path = require('path')
const fetch = require('node-fetch')
const { outputFile, outputJson, ensureDir } = require('fs-extra')
const HttpsProxyAgent = require('https-proxy-agent')

const proxy = process.env.https_proxy || process.env.http_proxy || ''

const fetchCss = url => fetch(url, {
  agent: proxy ? new HttpsProxyAgent(proxy) : null,
})

const THEME_LIST = {
  darkly: 'https://raw.githubusercontent.com/thomaspark/bootswatch/gh-pages/darkly/bootstrap.css',
  slate: 'https://raw.githubusercontent.com/thomaspark/bootswatch/gh-pages/slate/bootstrap.css',
  superhero: 'https://raw.githubusercontent.com/thomaspark/bootswatch/gh-pages/superhero/bootstrap.css',
  lumendark: 'https://raw.githubusercontent.com/Artoria-0x04/poi-theme-lumendark/master/lumendark.css',
  paperdark: 'https://raw.githubusercontent.com/ruiii/poi_theme_paper_dark/master/paperdark.css',
  papercyan: 'https://raw.githubusercontent.com/govizlora/theme-papercyan/master/papercyan.css',
  paperblack: 'https://raw.githubusercontent.com/Artoria-0x04/paperblack/master/css/paperblack.css',
  darklykai: 'https://raw.githubusercontent.com/magicae/sleepy/master/dist/sleepy.css',
}

const VIBRANT_THEME_LIST = {
  darkly: 'https://raw.githubusercontent.com/gnattu/poi-vibrancy-themes/master/dists/darkly.css',
  darklykai: 'https://raw.githubusercontent.com/gnattu/poi-vibrancy-themes/master/dists/darklykai.css',
  paperblack: 'https://raw.githubusercontent.com/gnattu/poi-vibrancy-themes/master/dists/paperblack.css',
  papercyan: 'https://raw.githubusercontent.com/gnattu/poi-vibrancy-themes/master/dists/papercyan.css',
  paperdark: 'https://raw.githubusercontent.com/gnattu/poi-vibrancy-themes/master/dists/paperdark.css',
  slate: 'https://raw.githubusercontent.com/gnattu/poi-vibrancy-themes/master/dists/slate.css',
  superhero: 'https://github.com/gnattu/poi-vibrancy-themes/raw/master/dists/superhero.css',
  lumendark: 'https://github.com/gnattu/poi-vibrancy-themes/raw/master/dists/lumendark.css',
}

const THEMES = {
  normal: Object.keys(THEME_LIST),
  vibrant: Object.keys(VIBRANT_THEME_LIST),
}

const extraCss =
`
/* patch by poi theme post processing */
body {
  -webkit-user-drag: none;
}
span, img, a, .panel-heading, .table tbody tr td {
  -webkit-user-drag: none !important;
}
`

const processCss = (_css) => {
  let css = _css.replace(/@import.*fonts.*;\n/g, '')
  css = css.replace(/@font-face[\s\S]*?}\n/g, '')
  css = css.replace(/^.glyph[\s\S]*?}\n/gm, '')
  css = css.concat(extraCss)
  return css
}

const main = async () => {
  ensureDir(path.join(__dirname, 'dist'))
  await outputJson(path.join(__dirname, 'index.json'), THEMES)
  Object.keys(THEME_LIST).forEach(async (theme) => {
    try {
      const resp = await fetchCss(THEME_LIST[theme])
      let css = await resp.text()
      css = processCss(css)
      const file = path.join(__dirname, 'dist', 'normal', `${theme}.css`)
      await outputFile(file, css)
      console.info('wrote ', file)
    } catch (e) {
      console.error(e.stack)
    }
  })
  Object.keys(VIBRANT_THEME_LIST).forEach(async (theme) => {
    try {
      const resp = await fetchCss(VIBRANT_THEME_LIST[theme])
      let css = await resp.text()
      css = processCss(css)
      const file = path.join(__dirname, 'dist', 'vibrant', `${theme}.css`)
      await outputFile(file, css)
      console.info('wrote ', file)
    } catch (e) {
      console.error(e.stack)
    }
  })
}

main()