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							160 lines
						
					
					
						
							4.3 KiB
						
					
					
				
			
		
		
	
	
							160 lines
						
					
					
						
							4.3 KiB
						
					
					
				#!/usr/bin/env node | 
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// Standalone semver comparison program. | 
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// Exits successfully and prints matching version(s) if | 
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// any supplied version is valid and passes all tests. | 
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 | 
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var argv = process.argv.slice(2) | 
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 | 
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var versions = [] | 
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 | 
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var range = [] | 
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 | 
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var inc = null | 
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 | 
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var version = require('../package.json').version | 
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 | 
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var loose = false | 
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 | 
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var includePrerelease = false | 
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 | 
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var coerce = false | 
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 | 
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var identifier | 
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 | 
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var semver = require('../semver') | 
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 | 
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var reverse = false | 
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 | 
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var options = {} | 
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 | 
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main() | 
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 | 
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function main () { | 
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  if (!argv.length) return help() | 
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  while (argv.length) { | 
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    var a = argv.shift() | 
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    var indexOfEqualSign = a.indexOf('=') | 
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    if (indexOfEqualSign !== -1) { | 
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      a = a.slice(0, indexOfEqualSign) | 
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      argv.unshift(a.slice(indexOfEqualSign + 1)) | 
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    } | 
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    switch (a) { | 
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      case '-rv': case '-rev': case '--rev': case '--reverse': | 
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        reverse = true | 
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        break | 
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      case '-l': case '--loose': | 
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        loose = true | 
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        break | 
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      case '-p': case '--include-prerelease': | 
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        includePrerelease = true | 
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        break | 
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      case '-v': case '--version': | 
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        versions.push(argv.shift()) | 
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        break | 
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      case '-i': case '--inc': case '--increment': | 
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        switch (argv[0]) { | 
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          case 'major': case 'minor': case 'patch': case 'prerelease': | 
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          case 'premajor': case 'preminor': case 'prepatch': | 
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            inc = argv.shift() | 
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            break | 
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          default: | 
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            inc = 'patch' | 
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            break | 
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        } | 
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        break | 
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      case '--preid': | 
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        identifier = argv.shift() | 
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        break | 
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      case '-r': case '--range': | 
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        range.push(argv.shift()) | 
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        break | 
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      case '-c': case '--coerce': | 
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        coerce = true | 
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        break | 
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      case '-h': case '--help': case '-?': | 
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        return help() | 
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      default: | 
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        versions.push(a) | 
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        break | 
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    } | 
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  } | 
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 | 
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  var options = { loose: loose, includePrerelease: includePrerelease } | 
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 | 
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  versions = versions.map(function (v) { | 
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    return coerce ? (semver.coerce(v) || { version: v }).version : v | 
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  }).filter(function (v) { | 
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    return semver.valid(v) | 
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  }) | 
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  if (!versions.length) return fail() | 
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  if (inc && (versions.length !== 1 || range.length)) { return failInc() } | 
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 | 
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  for (var i = 0, l = range.length; i < l; i++) { | 
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    versions = versions.filter(function (v) { | 
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      return semver.satisfies(v, range[i], options) | 
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    }) | 
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    if (!versions.length) return fail() | 
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  } | 
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  return success(versions) | 
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} | 
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 | 
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function failInc () { | 
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  console.error('--inc can only be used on a single version with no range') | 
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  fail() | 
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} | 
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 | 
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function fail () { process.exit(1) } | 
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 | 
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function success () { | 
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  var compare = reverse ? 'rcompare' : 'compare' | 
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  versions.sort(function (a, b) { | 
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    return semver[compare](a, b, options) | 
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  }).map(function (v) { | 
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    return semver.clean(v, options) | 
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  }).map(function (v) { | 
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    return inc ? semver.inc(v, inc, options, identifier) : v | 
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  }).forEach(function (v, i, _) { console.log(v) }) | 
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} | 
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 | 
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function help () { | 
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  console.log(['SemVer ' + version, | 
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    '', | 
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    'A JavaScript implementation of the https://semver.org/ specification', | 
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    'Copyright Isaac Z. Schlueter', | 
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    '', | 
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    'Usage: semver [options] <version> [<version> [...]]', | 
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    'Prints valid versions sorted by SemVer precedence', | 
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    '', | 
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    'Options:', | 
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    '-r --range <range>', | 
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    '        Print versions that match the specified range.', | 
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    '', | 
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    '-i --increment [<level>]', | 
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    '        Increment a version by the specified level.  Level can', | 
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    '        be one of: major, minor, patch, premajor, preminor,', | 
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    "        prepatch, or prerelease.  Default level is 'patch'.", | 
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    '        Only one version may be specified.', | 
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    '', | 
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    '--preid <identifier>', | 
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    '        Identifier to be used to prefix premajor, preminor,', | 
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    '        prepatch or prerelease version increments.', | 
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    '', | 
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    '-l --loose', | 
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    '        Interpret versions and ranges loosely', | 
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    '', | 
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    '-p --include-prerelease', | 
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    '        Always include prerelease versions in range matching', | 
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    '', | 
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    '-c --coerce', | 
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    '        Coerce a string into SemVer if possible', | 
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    '        (does not imply --loose)', | 
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    '', | 
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    'Program exits successfully if any valid version satisfies', | 
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    'all supplied ranges, and prints all satisfying versions.', | 
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    '', | 
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    'If no satisfying versions are found, then exits failure.', | 
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    '', | 
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    'Versions are printed in ascending order, so supplying', | 
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    'multiple versions to the utility will just sort them.' | 
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  ].join('\n')) | 
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}
 | 
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 |