Function minVersion

lib/index.js:6691–6742

(range, loose)

exports.minVersion = minVersion
function minVersion (range, loose) {
  range = new Range(range, loose)

  var minver = new SemVer('0.0.0')
  if (range.test(minver)) {
    return minver
  }

  minver = new SemVer('0.0.0-0')
  if (range.test(minver)) {
    return minver
  }

  minver = null
  for (var i = 0; i < range.set.length; ++i) {
    var comparators = range.set[i]

    comparators.forEach(function (comparator) {
      // Clone to avoid manipulating the comparator's semver object.
      var compver = new SemVer(comparator.semver.version)
      switch (comparator.operator) {
        case '>':
          if (compver.prerelease.length === 0) {
            compver.patch++
          } else {
            compver.prerelease.push(0)
          }
          compver.raw = compver.format()
          /* fallthrough */
        case '':
        case '>=':
          if (!minver || gt(minver, compver)) {
            minver = compver
          }
          break
        case '<':
        case '<=':
          /* Ignore maximum versions */
          break
        /* istanbul ignore next */
        default:
          throw new Error('Unexpected operation: ' + comparator.operator)
      }
    })
  }

  if (minver && range.test(minver)) {
    return minver
  }

  return null
}

exports.validRange = validRange
function validRange (range, options) {