badge-lookup/getBadgeUrl.js

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

module.exports = async ({
  type,
  repo,
  dependency: library,
  kind,
  color,
}) => {
  if (!repo) {
    return null
  }
  const labelColor = '666666'
  const logoColor = 'ffffff'
  const style = 'flat-square'

  let badgeUrl

  switch (type) {
    case 'package':
      if (!['name', 'version'].includes(kind)) {
        return null
      }
      badgeUrl = new URL(`/badge/dynamic/json`, process.env.SHIELDS_IMAGE_BASE_URL)
      badgeUrl.search = new URLSearchParams({
        color,
        query: `$.${kind}`,
        label: kind,
        style,
        labelColor,
        url: new URL(path.join(repo, 'raw', 'branch', process.env.MAIN_BRANCH, 'package.json'), process.env.REPO_BASE_URL),
      }).toString()
      return badgeUrl
    case 'dependency':
      if (!['dependencies', 'devDependencies', 'peerDependencies', 'optionalDependencies'].includes(kind)) {
        return null
      }
      const brands = await loadBrands()
      const libraryInfo = getLibraryColor(library, brands, RESOLVE)
      const libraryColor = libraryInfo ? libraryInfo.color.replace('#', '') : `${labelColor}`
      badgeUrl = new URL(`/badge/dynamic/json`, process.env.SHIELDS_IMAGE_BASE_URL)
      badgeUrl.search = new URLSearchParams({
        color: libraryColor,
        label: library,
        query: `$.${kind}['${library}']`,
        labelColor,
        logo: libraryInfo.name,
        logoColor,
        style,
        url: new URL(path.join(repo, 'raw', 'branch', process.env.MAIN_BRANCH, 'package.json'), process.env.REPO_BASE_URL),
      }).toString()
      return badgeUrl
    default:
      break
  }

  return null
}