2 // Standalone semver comparison program.
3 // Exits successfully and prints matching version(s) if
4 // any supplied version is valid and passes all tests.
6 var argv = process.argv.slice(2)
14 var version = require('../package.json').version
18 var includePrerelease = false
26 var semver = require('../semver')
35 if (!argv.length) return help()
38 var indexOfEqualSign = a.indexOf('=')
39 if (indexOfEqualSign !== -1) {
40 a = a.slice(0, indexOfEqualSign)
41 argv.unshift(a.slice(indexOfEqualSign + 1))
44 case '-rv': case '-rev': case '--rev': case '--reverse':
47 case '-l': case '--loose':
50 case '-p': case '--include-prerelease':
51 includePrerelease = true
53 case '-v': case '--version':
54 versions.push(argv.shift())
56 case '-i': case '--inc': case '--increment':
58 case 'major': case 'minor': case 'patch': case 'prerelease':
59 case 'premajor': case 'preminor': case 'prepatch':
68 identifier = argv.shift()
70 case '-r': case '--range':
71 range.push(argv.shift())
73 case '-c': case '--coerce':
82 case '-h': case '--help': case '-?':
90 var options = { loose: loose, includePrerelease: includePrerelease, rtl: rtl }
92 versions = versions.map(function (v) {
93 return coerce ? (semver.coerce(v, options) || { version: v }).version : v
94 }).filter(function (v) {
95 return semver.valid(v)
97 if (!versions.length) return fail()
98 if (inc && (versions.length !== 1 || range.length)) { return failInc() }
100 for (var i = 0, l = range.length; i < l; i++) {
101 versions = versions.filter(function (v) {
102 return semver.satisfies(v, range[i], options)
104 if (!versions.length) return fail()
106 return success(versions)
109 function failInc () {
110 console.error('--inc can only be used on a single version with no range')
114 function fail () { process.exit(1) }
116 function success () {
117 var compare = reverse ? 'rcompare' : 'compare'
118 versions.sort(function (a, b) {
119 return semver[compare](a, b, options)
120 }).map(function (v) {
121 return semver.clean(v, options)
122 }).map(function (v) {
123 return inc ? semver.inc(v, inc, options, identifier) : v
124 }).forEach(function (v, i, _) { console.log(v) })
128 console.log(['SemVer ' + version,
130 'A JavaScript implementation of the https://semver.org/ specification',
131 'Copyright Isaac Z. Schlueter',
133 'Usage: semver [options] <version> [<version> [...]]',
134 'Prints valid versions sorted by SemVer precedence',
137 '-r --range <range>',
138 ' Print versions that match the specified range.',
140 '-i --increment [<level>]',
141 ' Increment a version by the specified level. Level can',
142 ' be one of: major, minor, patch, premajor, preminor,',
143 " prepatch, or prerelease. Default level is 'patch'.",
144 ' Only one version may be specified.',
146 '--preid <identifier>',
147 ' Identifier to be used to prefix premajor, preminor,',
148 ' prepatch or prerelease version increments.',
151 ' Interpret versions and ranges loosely',
153 '-p --include-prerelease',
154 ' Always include prerelease versions in range matching',
157 ' Coerce a string into SemVer if possible',
158 ' (does not imply --loose)',
161 ' Coerce version strings right to left',
164 ' Coerce version strings left to right (default)',
166 'Program exits successfully if any valid version satisfies',
167 'all supplied ranges, and prints all satisfying versions.',
169 'If no satisfying versions are found, then exits failure.',
171 'Versions are printed in ascending order, so supplying',
172 'multiple versions to the utility will just sort them.'