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
24 var semver = require('../semver')
33 if (!argv.length) return help()
36 var indexOfEqualSign = a.indexOf('=')
37 if (indexOfEqualSign !== -1) {
38 a = a.slice(0, indexOfEqualSign)
39 argv.unshift(a.slice(indexOfEqualSign + 1))
42 case '-rv': case '-rev': case '--rev': case '--reverse':
45 case '-l': case '--loose':
48 case '-p': case '--include-prerelease':
49 includePrerelease = true
51 case '-v': case '--version':
52 versions.push(argv.shift())
54 case '-i': case '--inc': case '--increment':
56 case 'major': case 'minor': case 'patch': case 'prerelease':
57 case 'premajor': case 'preminor': case 'prepatch':
66 identifier = argv.shift()
68 case '-r': case '--range':
69 range.push(argv.shift())
71 case '-c': case '--coerce':
74 case '-h': case '--help': case '-?':
82 var options = { loose: loose, includePrerelease: includePrerelease }
84 versions = versions.map(function (v) {
85 return coerce ? (semver.coerce(v) || { version: v }).version : v
86 }).filter(function (v) {
87 return semver.valid(v)
89 if (!versions.length) return fail()
90 if (inc && (versions.length !== 1 || range.length)) { return failInc() }
92 for (var i = 0, l = range.length; i < l; i++) {
93 versions = versions.filter(function (v) {
94 return semver.satisfies(v, range[i], options)
96 if (!versions.length) return fail()
98 return success(versions)
101 function failInc () {
102 console.error('--inc can only be used on a single version with no range')
106 function fail () { process.exit(1) }
108 function success () {
109 var compare = reverse ? 'rcompare' : 'compare'
110 versions.sort(function (a, b) {
111 return semver[compare](a, b, options)
112 }).map(function (v) {
113 return semver.clean(v, options)
114 }).map(function (v) {
115 return inc ? semver.inc(v, inc, options, identifier) : v
116 }).forEach(function (v, i, _) { console.log(v) })
120 console.log(['SemVer ' + version,
122 'A JavaScript implementation of the https://semver.org/ specification',
123 'Copyright Isaac Z. Schlueter',
125 'Usage: semver [options] <version> [<version> [...]]',
126 'Prints valid versions sorted by SemVer precedence',
129 '-r --range <range>',
130 ' Print versions that match the specified range.',
132 '-i --increment [<level>]',
133 ' Increment a version by the specified level. Level can',
134 ' be one of: major, minor, patch, premajor, preminor,',
135 " prepatch, or prerelease. Default level is 'patch'.",
136 ' Only one version may be specified.',
138 '--preid <identifier>',
139 ' Identifier to be used to prefix premajor, preminor,',
140 ' prepatch or prerelease version increments.',
143 ' Interpret versions and ranges loosely',
145 '-p --include-prerelease',
146 ' Always include prerelease versions in range matching',
149 ' Coerce a string into SemVer if possible',
150 ' (does not imply --loose)',
152 'Program exits successfully if any valid version satisfies',
153 'all supplied ranges, and prints all satisfying versions.',
155 'If no satisfying versions are found, then exits failure.',
157 'Versions are printed in ascending order, so supplying',
158 'multiple versions to the utility will just sort them.'