Acme.BookStore.HttpApi.Host/node_modules/hosted-git-info/index.js

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'use strict'
var url = require('url')
var gitHosts = require('./git-host-info.js')
var GitHost = module.exports = require('./git-host.js')

var protocolToRepresentationMap = {
  'git+ssh': 'sshurl',
  'git+https': 'https',
  'ssh': 'sshurl',
  'git': 'git'
}

function protocolToRepresentation (protocol) {
  if (protocol.substr(-1) === ':') protocol = protocol.slice(0, -1)
  return protocolToRepresentationMap[protocol] || protocol
}

var authProtocols = {
  'git:': true,
  'https:': true,
  'git+https:': true,
  'http:': true,
  'git+http:': true
}

var cache = {}

module.exports.fromUrl = function (giturl, opts) {
  if (typeof giturl !== 'string') return
  var key = giturl + JSON.stringify(opts || {})

  if (!(key in cache)) {
    cache[key] = fromUrl(giturl, opts)
  }

  return cache[key]
}

function fromUrl (giturl, opts) {
  if (giturl == null || giturl === '') return
  var url = fixupUnqualifiedGist(
    isGitHubShorthand(giturl) ? 'github:' + giturl : giturl
  )
  var parsed = parseGitUrl(url)
  var shortcutMatch = url.match(new RegExp('^([^:]+):(?:(?:[^@:]+(?:[^@]+)?@)?([^/]*))[/](.+?)(?:[.]git)?($|#)'))
  var matches = Object.keys(gitHosts).map(function (gitHostName) {
    try {
      var gitHostInfo = gitHosts[gitHostName]
      var auth = null
      if (parsed.auth && authProtocols[parsed.protocol]) {
        auth = decodeURIComponent(parsed.auth)
      }
      var committish = parsed.hash ? decodeURIComponent(parsed.hash.substr(1)) : null
      var user = null
      var project = null
      var defaultRepresentation = null
      if (shortcutMatch && shortcutMatch[1] === gitHostName) {
        user = shortcutMatch[2] && decodeURIComponent(shortcutMatch[2])
        project = decodeURIComponent(shortcutMatch[3])
        defaultRepresentation = 'shortcut'