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)
13 , version = require("../package.json").version
15 , identifier = undefined
16 , semver = require("../semver")
22 if (!argv.length) return help()
25 var i = a.indexOf('=')
28 argv.unshift(a.slice(i + 1))
31 case "-rv": case "-rev": case "--rev": case "--reverse":
34 case "-l": case "--loose":
37 case "-v": case "--version":
38 versions.push(argv.shift())
40 case "-i": case "--inc": case "--increment":
42 case "major": case "minor": case "patch": case "prerelease":
43 case "premajor": case "preminor": case "prepatch":
52 identifier = argv.shift()
54 case "-r": case "--range":
55 range.push(argv.shift())
57 case "-h": case "--help": case "-?":
65 versions = versions.filter(function (v) {
66 return semver.valid(v, loose)
68 if (!versions.length) return fail()
69 if (inc && (versions.length !== 1 || range.length))
72 for (var i = 0, l = range.length; i < l ; i ++) {
73 versions = versions.filter(function (v) {
74 return semver.satisfies(v, range[i], loose)
76 if (!versions.length) return fail()
78 return success(versions)
82 console.error("--inc can only be used on a single version with no range")
86 function fail () { process.exit(1) }
89 var compare = reverse ? "rcompare" : "compare"
90 versions.sort(function (a, b) {
91 return semver[compare](a, b, loose)
93 return semver.clean(v, loose)
95 return inc ? semver.inc(v, inc, loose, identifier) : v
96 }).forEach(function (v,i,_) { console.log(v) })
100 console.log(["SemVer " + version
102 ,"A JavaScript implementation of the http://semver.org/ specification"
103 ,"Copyright Isaac Z. Schlueter"
105 ,"Usage: semver [options] <version> [<version> [...]]"
106 ,"Prints valid versions sorted by SemVer precedence"
109 ,"-r --range <range>"
110 ," Print versions that match the specified range."
112 ,"-i --increment [<level>]"
113 ," Increment a version by the specified level. Level can"
114 ," be one of: major, minor, patch, premajor, preminor,"
115 ," prepatch, or prerelease. Default level is 'patch'."
116 ," Only one version may be specified."
118 ,"--preid <identifier>"
119 ," Identifier to be used to prefix premajor, preminor,"
120 ," prepatch or prerelease version increments."
123 ," Interpret versions and ranges loosely"
125 ,"Program exits successfully if any valid version satisfies"
126 ,"all supplied ranges, and prints all satisfying versions."
128 ,"If no satisfying versions are found, then exits failure."
130 ,"Versions are printed in ascending order, so supplying"
131 ,"multiple versions to the utility will just sort them."