badge-lookup/getBadgeUrl.js

const axios = require('axios')
const path = require('path')

const RESOLVE = require('./resolve.json')
const loadBrands = require('./loadBrands')
const getLibraryColor = require('./getLibraryColor')

module.exports = async ({
  type,
  repo,
  dependency: library,
  color,
}) => {
  if (!repo) {
    return null
  }

  const labelColor = '666666'
  const logoColor = 'ffffff'
  const style = 'flat-square'

  const { data, } = await axios({
    method: 'GET',
    url: path.join(process.env.REPO_BASE_URL, repo, 'raw', 'branch', process.env.MAIN_BRANCH, 'package.json')
  })

  const { name, version, dependencies, devDependencies, } = data

  let badgeUrl

  switch (type) {
    case 'version':
      badgeUrl = new URL(`/badge/${name.replace(/-/g, '--')}-${version}-${color}`, process.env.SHIELDS_IMAGE_BASE_URL)
      badgeUrl.search = new URLSearchParams({
        style,
        labelColor,
      }).toString()
      return badgeUrl
    case 'dependency':
      let libraryVersion
      if (Object.keys(dependencies).includes(library)) {
        libraryVersion = dependencies[library]
      } else if (Object.keys(devDependencies).includes(library)) {
        libraryVersion = devDependencies[library]
      } else {
        libraryVersion = '0.0.0'
      }

      const brands = await loadBrands()
      const libraryInfo = getLibraryColor(library, brands, RESOLVE)
      const libraryColor = libraryInfo ? libraryInfo.color.replace('#', '') : `${labelColor}`
      badgeUrl = new URL(`/badge/${library.replace(/-/g, '--')}-${libraryVersion}-${libraryColor}`, process.env.SHIELDS_IMAGE_BASE_URL)
      badgeUrl.search = new URLSearchParams({
        labelColor,
        logo: libraryInfo.name,
        logoColor,
        style,
      })
      return badgeUrl
    default:
      break
  }

  return null
}