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1643 lines
43 KiB
1643 lines
43 KiB
exports = module.exports = SemVer
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var debug
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/* istanbul ignore next */
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if (typeof process === 'object' &&
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process.env &&
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process.env.NODE_DEBUG &&
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/\bsemver\b/i.test(process.env.NODE_DEBUG)) {
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debug = function () {
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var args = Array.prototype.slice.call(arguments, 0)
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args.unshift('SEMVER')
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console.log.apply(console, args)
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}
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} else {
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debug = function () {}
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}
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// Note: this is the semver.org version of the spec that it implements
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// Not necessarily the package version of this code.
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exports.SEMVER_SPEC_VERSION = '2.0.0'
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var MAX_LENGTH = 256
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var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER ||
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/* istanbul ignore next */ 9007199254740991
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// Max safe segment length for coercion.
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var MAX_SAFE_COMPONENT_LENGTH = 16
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var MAX_SAFE_BUILD_LENGTH = MAX_LENGTH - 6
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// The actual regexps go on exports.re
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var re = exports.re = []
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var safeRe = exports.safeRe = []
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var src = exports.src = []
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var t = exports.tokens = {}
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var R = 0
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function tok (n) {
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t[n] = R++
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}
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var LETTERDASHNUMBER = '[a-zA-Z0-9-]'
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// Replace some greedy regex tokens to prevent regex dos issues. These regex are
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// used internally via the safeRe object since all inputs in this library get
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// normalized first to trim and collapse all extra whitespace. The original
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// regexes are exported for userland consumption and lower level usage. A
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// future breaking change could export the safer regex only with a note that
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// all input should have extra whitespace removed.
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var safeRegexReplacements = [
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['\\s', 1],
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['\\d', MAX_LENGTH],
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[LETTERDASHNUMBER, MAX_SAFE_BUILD_LENGTH],
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]
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function makeSafeRe (value) {
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for (var i = 0; i < safeRegexReplacements.length; i++) {
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var token = safeRegexReplacements[i][0]
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var max = safeRegexReplacements[i][1]
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value = value
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.split(token + '*').join(token + '{0,' + max + '}')
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.split(token + '+').join(token + '{1,' + max + '}')
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}
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return value
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}
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// The following Regular Expressions can be used for tokenizing,
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// validating, and parsing SemVer version strings.
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// ## Numeric Identifier
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// A single `0`, or a non-zero digit followed by zero or more digits.
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tok('NUMERICIDENTIFIER')
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src[t.NUMERICIDENTIFIER] = '0|[1-9]\\d*'
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tok('NUMERICIDENTIFIERLOOSE')
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src[t.NUMERICIDENTIFIERLOOSE] = '\\d+'
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// ## Non-numeric Identifier
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// Zero or more digits, followed by a letter or hyphen, and then zero or
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// more letters, digits, or hyphens.
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tok('NONNUMERICIDENTIFIER')
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src[t.NONNUMERICIDENTIFIER] = '\\d*[a-zA-Z-]' + LETTERDASHNUMBER + '*'
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// ## Main Version
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// Three dot-separated numeric identifiers.
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tok('MAINVERSION')
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src[t.MAINVERSION] = '(' + src[t.NUMERICIDENTIFIER] + ')\\.' +
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'(' + src[t.NUMERICIDENTIFIER] + ')\\.' +
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'(' + src[t.NUMERICIDENTIFIER] + ')'
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tok('MAINVERSIONLOOSE')
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src[t.MAINVERSIONLOOSE] = '(' + src[t.NUMERICIDENTIFIERLOOSE] + ')\\.' +
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'(' + src[t.NUMERICIDENTIFIERLOOSE] + ')\\.' +
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'(' + src[t.NUMERICIDENTIFIERLOOSE] + ')'
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// ## Pre-release Version Identifier
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// A numeric identifier, or a non-numeric identifier.
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tok('PRERELEASEIDENTIFIER')
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src[t.PRERELEASEIDENTIFIER] = '(?:' + src[t.NUMERICIDENTIFIER] +
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'|' + src[t.NONNUMERICIDENTIFIER] + ')'
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tok('PRERELEASEIDENTIFIERLOOSE')
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src[t.PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[t.NUMERICIDENTIFIERLOOSE] +
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'|' + src[t.NONNUMERICIDENTIFIER] + ')'
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// ## Pre-release Version
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// Hyphen, followed by one or more dot-separated pre-release version
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// identifiers.
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tok('PRERELEASE')
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src[t.PRERELEASE] = '(?:-(' + src[t.PRERELEASEIDENTIFIER] +
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'(?:\\.' + src[t.PRERELEASEIDENTIFIER] + ')*))'
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tok('PRERELEASELOOSE')
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src[t.PRERELEASELOOSE] = '(?:-?(' + src[t.PRERELEASEIDENTIFIERLOOSE] +
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'(?:\\.' + src[t.PRERELEASEIDENTIFIERLOOSE] + ')*))'
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// ## Build Metadata Identifier
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// Any combination of digits, letters, or hyphens.
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tok('BUILDIDENTIFIER')
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src[t.BUILDIDENTIFIER] = LETTERDASHNUMBER + '+'
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// ## Build Metadata
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// Plus sign, followed by one or more period-separated build metadata
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// identifiers.
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tok('BUILD')
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src[t.BUILD] = '(?:\\+(' + src[t.BUILDIDENTIFIER] +
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'(?:\\.' + src[t.BUILDIDENTIFIER] + ')*))'
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// ## Full Version String
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// A main version, followed optionally by a pre-release version and
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// build metadata.
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// Note that the only major, minor, patch, and pre-release sections of
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// the version string are capturing groups. The build metadata is not a
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// capturing group, because it should not ever be used in version
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// comparison.
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tok('FULL')
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tok('FULLPLAIN')
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src[t.FULLPLAIN] = 'v?' + src[t.MAINVERSION] +
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src[t.PRERELEASE] + '?' +
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src[t.BUILD] + '?'
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src[t.FULL] = '^' + src[t.FULLPLAIN] + '$'
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// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
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// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
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// common in the npm registry.
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tok('LOOSEPLAIN')
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src[t.LOOSEPLAIN] = '[v=\\s]*' + src[t.MAINVERSIONLOOSE] +
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src[t.PRERELEASELOOSE] + '?' +
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src[t.BUILD] + '?'
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tok('LOOSE')
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src[t.LOOSE] = '^' + src[t.LOOSEPLAIN] + '$'
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tok('GTLT')
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src[t.GTLT] = '((?:<|>)?=?)'
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// Something like "2.*" or "1.2.x".
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// Note that "x.x" is a valid xRange identifer, meaning "any version"
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// Only the first item is strictly required.
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tok('XRANGEIDENTIFIERLOOSE')
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src[t.XRANGEIDENTIFIERLOOSE] = src[t.NUMERICIDENTIFIERLOOSE] + '|x|X|\\*'
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tok('XRANGEIDENTIFIER')
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src[t.XRANGEIDENTIFIER] = src[t.NUMERICIDENTIFIER] + '|x|X|\\*'
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tok('XRANGEPLAIN')
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src[t.XRANGEPLAIN] = '[v=\\s]*(' + src[t.XRANGEIDENTIFIER] + ')' +
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'(?:\\.(' + src[t.XRANGEIDENTIFIER] + ')' +
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'(?:\\.(' + src[t.XRANGEIDENTIFIER] + ')' +
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'(?:' + src[t.PRERELEASE] + ')?' +
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src[t.BUILD] + '?' +
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')?)?'
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tok('XRANGEPLAINLOOSE')
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src[t.XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
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'(?:\\.(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
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'(?:\\.(' + src[t.XRANGEIDENTIFIERLOOSE] + ')' +
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'(?:' + src[t.PRERELEASELOOSE] + ')?' +
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src[t.BUILD] + '?' +
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')?)?'
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tok('XRANGE')
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src[t.XRANGE] = '^' + src[t.GTLT] + '\\s*' + src[t.XRANGEPLAIN] + '$'
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tok('XRANGELOOSE')
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src[t.XRANGELOOSE] = '^' + src[t.GTLT] + '\\s*' + src[t.XRANGEPLAINLOOSE] + '$'
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// Coercion.
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// Extract anything that could conceivably be a part of a valid semver
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tok('COERCE')
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src[t.COERCE] = '(^|[^\\d])' +
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'(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
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'(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
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'(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
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'(?:$|[^\\d])'
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tok('COERCERTL')
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re[t.COERCERTL] = new RegExp(src[t.COERCE], 'g')
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safeRe[t.COERCERTL] = new RegExp(makeSafeRe(src[t.COERCE]), 'g')
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// Tilde ranges.
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// Meaning is "reasonably at or greater than"
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tok('LONETILDE')
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src[t.LONETILDE] = '(?:~>?)'
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tok('TILDETRIM')
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src[t.TILDETRIM] = '(\\s*)' + src[t.LONETILDE] + '\\s+'
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re[t.TILDETRIM] = new RegExp(src[t.TILDETRIM], 'g')
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safeRe[t.TILDETRIM] = new RegExp(makeSafeRe(src[t.TILDETRIM]), 'g')
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var tildeTrimReplace = '$1~'
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tok('TILDE')
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src[t.TILDE] = '^' + src[t.LONETILDE] + src[t.XRANGEPLAIN] + '$'
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tok('TILDELOOSE')
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src[t.TILDELOOSE] = '^' + src[t.LONETILDE] + src[t.XRANGEPLAINLOOSE] + '$'
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// Caret ranges.
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// Meaning is "at least and backwards compatible with"
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tok('LONECARET')
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src[t.LONECARET] = '(?:\\^)'
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tok('CARETTRIM')
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src[t.CARETTRIM] = '(\\s*)' + src[t.LONECARET] + '\\s+'
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re[t.CARETTRIM] = new RegExp(src[t.CARETTRIM], 'g')
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safeRe[t.CARETTRIM] = new RegExp(makeSafeRe(src[t.CARETTRIM]), 'g')
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var caretTrimReplace = '$1^'
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tok('CARET')
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src[t.CARET] = '^' + src[t.LONECARET] + src[t.XRANGEPLAIN] + '$'
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tok('CARETLOOSE')
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src[t.CARETLOOSE] = '^' + src[t.LONECARET] + src[t.XRANGEPLAINLOOSE] + '$'
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// A simple gt/lt/eq thing, or just "" to indicate "any version"
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tok('COMPARATORLOOSE')
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src[t.COMPARATORLOOSE] = '^' + src[t.GTLT] + '\\s*(' + src[t.LOOSEPLAIN] + ')$|^$'
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tok('COMPARATOR')
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src[t.COMPARATOR] = '^' + src[t.GTLT] + '\\s*(' + src[t.FULLPLAIN] + ')$|^$'
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// An expression to strip any whitespace between the gtlt and the thing
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// it modifies, so that `> 1.2.3` ==> `>1.2.3`
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tok('COMPARATORTRIM')
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src[t.COMPARATORTRIM] = '(\\s*)' + src[t.GTLT] +
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'\\s*(' + src[t.LOOSEPLAIN] + '|' + src[t.XRANGEPLAIN] + ')'
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// this one has to use the /g flag
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re[t.COMPARATORTRIM] = new RegExp(src[t.COMPARATORTRIM], 'g')
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safeRe[t.COMPARATORTRIM] = new RegExp(makeSafeRe(src[t.COMPARATORTRIM]), 'g')
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var comparatorTrimReplace = '$1$2$3'
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// Something like `1.2.3 - 1.2.4`
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// Note that these all use the loose form, because they'll be
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// checked against either the strict or loose comparator form
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// later.
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tok('HYPHENRANGE')
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src[t.HYPHENRANGE] = '^\\s*(' + src[t.XRANGEPLAIN] + ')' +
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'\\s+-\\s+' +
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'(' + src[t.XRANGEPLAIN] + ')' +
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'\\s*$'
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tok('HYPHENRANGELOOSE')
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src[t.HYPHENRANGELOOSE] = '^\\s*(' + src[t.XRANGEPLAINLOOSE] + ')' +
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'\\s+-\\s+' +
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'(' + src[t.XRANGEPLAINLOOSE] + ')' +
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'\\s*$'
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// Star ranges basically just allow anything at all.
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tok('STAR')
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src[t.STAR] = '(<|>)?=?\\s*\\*'
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// Compile to actual regexp objects.
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// All are flag-free, unless they were created above with a flag.
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for (var i = 0; i < R; i++) {
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debug(i, src[i])
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if (!re[i]) {
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re[i] = new RegExp(src[i])
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// Replace all greedy whitespace to prevent regex dos issues. These regex are
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// used internally via the safeRe object since all inputs in this library get
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// normalized first to trim and collapse all extra whitespace. The original
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// regexes are exported for userland consumption and lower level usage. A
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// future breaking change could export the safer regex only with a note that
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// all input should have extra whitespace removed.
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safeRe[i] = new RegExp(makeSafeRe(src[i]))
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}
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}
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exports.parse = parse
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function parse (version, options) {
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if (!options || typeof options !== 'object') {
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options = {
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loose: !!options,
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includePrerelease: false
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}
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}
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if (version instanceof SemVer) {
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return version
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}
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if (typeof version !== 'string') {
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return null
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}
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if (version.length > MAX_LENGTH) {
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return null
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}
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var r = options.loose ? safeRe[t.LOOSE] : safeRe[t.FULL]
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if (!r.test(version)) {
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return null
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}
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try {
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return new SemVer(version, options)
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} catch (er) {
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return null
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}
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}
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exports.valid = valid
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function valid (version, options) {
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var v = parse(version, options)
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return v ? v.version : null
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}
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exports.clean = clean
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function clean (version, options) {
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var s = parse(version.trim().replace(/^[=v]+/, ''), options)
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return s ? s.version : null
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}
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exports.SemVer = SemVer
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function SemVer (version, options) {
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if (!options || typeof options !== 'object') {
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options = {
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loose: !!options,
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includePrerelease: false
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}
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}
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if (version instanceof SemVer) {
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if (version.loose === options.loose) {
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return version
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} else {
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version = version.version
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}
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} else if (typeof version !== 'string') {
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throw new TypeError('Invalid Version: ' + version)
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}
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if (version.length > MAX_LENGTH) {
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throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters')
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}
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if (!(this instanceof SemVer)) {
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return new SemVer(version, options)
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}
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debug('SemVer', version, options)
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this.options = options
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this.loose = !!options.loose
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var m = version.trim().match(options.loose ? safeRe[t.LOOSE] : safeRe[t.FULL])
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if (!m) {
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throw new TypeError('Invalid Version: ' + version)
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}
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this.raw = version
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// these are actually numbers
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this.major = +m[1]
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this.minor = +m[2]
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this.patch = +m[3]
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if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
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throw new TypeError('Invalid major version')
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}
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if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
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throw new TypeError('Invalid minor version')
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}
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if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
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throw new TypeError('Invalid patch version')
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}
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// numberify any prerelease numeric ids
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if (!m[4]) {
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this.prerelease = []
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} else {
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this.prerelease = m[4].split('.').map(function (id) {
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if (/^[0-9]+$/.test(id)) {
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var num = +id
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if (num >= 0 && num < MAX_SAFE_INTEGER) {
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return num
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}
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}
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return id
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})
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}
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this.build = m[5] ? m[5].split('.') : []
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this.format()
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}
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SemVer.prototype.format = function () {
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this.version = this.major + '.' + this.minor + '.' + this.patch
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if (this.prerelease.length) {
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this.version += '-' + this.prerelease.join('.')
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}
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return this.version
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}
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SemVer.prototype.toString = function () {
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return this.version
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}
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SemVer.prototype.compare = function (other) {
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debug('SemVer.compare', this.version, this.options, other)
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if (!(other instanceof SemVer)) {
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other = new SemVer(other, this.options)
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}
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return this.compareMain(other) || this.comparePre(other)
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}
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SemVer.prototype.compareMain = function (other) {
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if (!(other instanceof SemVer)) {
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other = new SemVer(other, this.options)
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}
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return compareIdentifiers(this.major, other.major) ||
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compareIdentifiers(this.minor, other.minor) ||
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compareIdentifiers(this.patch, other.patch)
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}
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SemVer.prototype.comparePre = function (other) {
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if (!(other instanceof SemVer)) {
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other = new SemVer(other, this.options)
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}
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// NOT having a prerelease is > having one
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if (this.prerelease.length && !other.prerelease.length) {
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return -1
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} else if (!this.prerelease.length && other.prerelease.length) {
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return 1
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} else if (!this.prerelease.length && !other.prerelease.length) {
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return 0
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}
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var i = 0
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do {
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var a = this.prerelease[i]
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var b = other.prerelease[i]
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debug('prerelease compare', i, a, b)
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if (a === undefined && b === undefined) {
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return 0
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} else if (b === undefined) {
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return 1
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} else if (a === undefined) {
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return -1
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} else if (a === b) {
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continue
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} else {
|
|
return compareIdentifiers(a, b)
|
|
}
|
|
} while (++i)
|
|
}
|
|
|
|
SemVer.prototype.compareBuild = function (other) {
|
|
if (!(other instanceof SemVer)) {
|
|
other = new SemVer(other, this.options)
|
|
}
|
|
|
|
var i = 0
|
|
do {
|
|
var a = this.build[i]
|
|
var b = other.build[i]
|
|
debug('prerelease compare', i, a, b)
|
|
if (a === undefined && b === undefined) {
|
|
return 0
|
|
} else if (b === undefined) {
|
|
return 1
|
|
} else if (a === undefined) {
|
|
return -1
|
|
} else if (a === b) {
|
|
continue
|
|
} else {
|
|
return compareIdentifiers(a, b)
|
|
}
|
|
} while (++i)
|
|
}
|
|
|
|
// preminor will bump the version up to the next minor release, and immediately
|
|
// down to pre-release. premajor and prepatch work the same way.
|
|
SemVer.prototype.inc = function (release, identifier) {
|
|
switch (release) {
|
|
case 'premajor':
|
|
this.prerelease.length = 0
|
|
this.patch = 0
|
|
this.minor = 0
|
|
this.major++
|
|
this.inc('pre', identifier)
|
|
break
|
|
case 'preminor':
|
|
this.prerelease.length = 0
|
|
this.patch = 0
|
|
this.minor++
|
|
this.inc('pre', identifier)
|
|
break
|
|
case 'prepatch':
|
|
// If this is already a prerelease, it will bump to the next version
|
|
// drop any prereleases that might already exist, since they are not
|
|
// relevant at this point.
|
|
this.prerelease.length = 0
|
|
this.inc('patch', identifier)
|
|
this.inc('pre', identifier)
|
|
break
|
|
// If the input is a non-prerelease version, this acts the same as
|
|
// prepatch.
|
|
case 'prerelease':
|
|
if (this.prerelease.length === 0) {
|
|
this.inc('patch', identifier)
|
|
}
|
|
this.inc('pre', identifier)
|
|
break
|
|
|
|
case 'major':
|
|
// If this is a pre-major version, bump up to the same major version.
|
|
// Otherwise increment major.
|
|
// 1.0.0-5 bumps to 1.0.0
|
|
// 1.1.0 bumps to 2.0.0
|
|
if (this.minor !== 0 ||
|
|
this.patch !== 0 ||
|
|
this.prerelease.length === 0) {
|
|
this.major++
|
|
}
|
|
this.minor = 0
|
|
this.patch = 0
|
|
this.prerelease = []
|
|
break
|
|
case 'minor':
|
|
// If this is a pre-minor version, bump up to the same minor version.
|
|
// Otherwise increment minor.
|
|
// 1.2.0-5 bumps to 1.2.0
|
|
// 1.2.1 bumps to 1.3.0
|
|
if (this.patch !== 0 || this.prerelease.length === 0) {
|
|
this.minor++
|
|
}
|
|
this.patch = 0
|
|
this.prerelease = []
|
|
break
|
|
case 'patch':
|
|
// If this is not a pre-release version, it will increment the patch.
|
|
// If it is a pre-release it will bump up to the same patch version.
|
|
// 1.2.0-5 patches to 1.2.0
|
|
// 1.2.0 patches to 1.2.1
|
|
if (this.prerelease.length === 0) {
|
|
this.patch++
|
|
}
|
|
this.prerelease = []
|
|
break
|
|
// This probably shouldn't be used publicly.
|
|
// 1.0.0 "pre" would become 1.0.0-0 which is the wrong direction.
|
|
case 'pre':
|
|
if (this.prerelease.length === 0) {
|
|
this.prerelease = [0]
|
|
} else {
|
|
var i = this.prerelease.length
|
|
while (--i >= 0) {
|
|
if (typeof this.prerelease[i] === 'number') {
|
|
this.prerelease[i]++
|
|
i = -2
|
|
}
|
|
}
|
|
if (i === -1) {
|
|
// didn't increment anything
|
|
this.prerelease.push(0)
|
|
}
|
|
}
|
|
if (identifier) {
|
|
// 1.2.0-beta.1 bumps to 1.2.0-beta.2,
|
|
// 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
|
|
if (this.prerelease[0] === identifier) {
|
|
if (isNaN(this.prerelease[1])) {
|
|
this.prerelease = [identifier, 0]
|
|
}
|
|
} else {
|
|
this.prerelease = [identifier, 0]
|
|
}
|
|
}
|
|
break
|
|
|
|
default:
|
|
throw new Error('invalid increment argument: ' + release)
|
|
}
|
|
this.format()
|
|
this.raw = this.version
|
|
return this
|
|
}
|
|
|
|
exports.inc = inc
|
|
function inc (version, release, loose, identifier) {
|
|
if (typeof (loose) === 'string') {
|
|
identifier = loose
|
|
loose = undefined
|
|
}
|
|
|
|
try {
|
|
return new SemVer(version, loose).inc(release, identifier).version
|
|
} catch (er) {
|
|
return null
|
|
}
|
|
}
|
|
|
|
exports.diff = diff
|
|
function diff (version1, version2) {
|
|
if (eq(version1, version2)) {
|
|
return null
|
|
} else {
|
|
var v1 = parse(version1)
|
|
var v2 = parse(version2)
|
|
var prefix = ''
|
|
if (v1.prerelease.length || v2.prerelease.length) {
|
|
prefix = 'pre'
|
|
var defaultResult = 'prerelease'
|
|
}
|
|
for (var key in v1) {
|
|
if (key === 'major' || key === 'minor' || key === 'patch') {
|
|
if (v1[key] !== v2[key]) {
|
|
return prefix + key
|
|
}
|
|
}
|
|
}
|
|
return defaultResult // may be undefined
|
|
}
|
|
}
|
|
|
|
exports.compareIdentifiers = compareIdentifiers
|
|
|
|
var numeric = /^[0-9]+$/
|
|
function compareIdentifiers (a, b) {
|
|
var anum = numeric.test(a)
|
|
var bnum = numeric.test(b)
|
|
|
|
if (anum && bnum) {
|
|
a = +a
|
|
b = +b
|
|
}
|
|
|
|
return a === b ? 0
|
|
: (anum && !bnum) ? -1
|
|
: (bnum && !anum) ? 1
|
|
: a < b ? -1
|
|
: 1
|
|
}
|
|
|
|
exports.rcompareIdentifiers = rcompareIdentifiers
|
|
function rcompareIdentifiers (a, b) {
|
|
return compareIdentifiers(b, a)
|
|
}
|
|
|
|
exports.major = major
|
|
function major (a, loose) {
|
|
return new SemVer(a, loose).major
|
|
}
|
|
|
|
exports.minor = minor
|
|
function minor (a, loose) {
|
|
return new SemVer(a, loose).minor
|
|
}
|
|
|
|
exports.patch = patch
|
|
function patch (a, loose) {
|
|
return new SemVer(a, loose).patch
|
|
}
|
|
|
|
exports.compare = compare
|
|
function compare (a, b, loose) {
|
|
return new SemVer(a, loose).compare(new SemVer(b, loose))
|
|
}
|
|
|
|
exports.compareLoose = compareLoose
|
|
function compareLoose (a, b) {
|
|
return compare(a, b, true)
|
|
}
|
|
|
|
exports.compareBuild = compareBuild
|
|
function compareBuild (a, b, loose) {
|
|
var versionA = new SemVer(a, loose)
|
|
var versionB = new SemVer(b, loose)
|
|
return versionA.compare(versionB) || versionA.compareBuild(versionB)
|
|
}
|
|
|
|
exports.rcompare = rcompare
|
|
function rcompare (a, b, loose) {
|
|
return compare(b, a, loose)
|
|
}
|
|
|
|
exports.sort = sort
|
|
function sort (list, loose) {
|
|
return list.sort(function (a, b) {
|
|
return exports.compareBuild(a, b, loose)
|
|
})
|
|
}
|
|
|
|
exports.rsort = rsort
|
|
function rsort (list, loose) {
|
|
return list.sort(function (a, b) {
|
|
return exports.compareBuild(b, a, loose)
|
|
})
|
|
}
|
|
|
|
exports.gt = gt
|
|
function gt (a, b, loose) {
|
|
return compare(a, b, loose) > 0
|
|
}
|
|
|
|
exports.lt = lt
|
|
function lt (a, b, loose) {
|
|
return compare(a, b, loose) < 0
|
|
}
|
|
|
|
exports.eq = eq
|
|
function eq (a, b, loose) {
|
|
return compare(a, b, loose) === 0
|
|
}
|
|
|
|
exports.neq = neq
|
|
function neq (a, b, loose) {
|
|
return compare(a, b, loose) !== 0
|
|
}
|
|
|
|
exports.gte = gte
|
|
function gte (a, b, loose) {
|
|
return compare(a, b, loose) >= 0
|
|
}
|
|
|
|
exports.lte = lte
|
|
function lte (a, b, loose) {
|
|
return compare(a, b, loose) <= 0
|
|
}
|
|
|
|
exports.cmp = cmp
|
|
function cmp (a, op, b, loose) {
|
|
switch (op) {
|
|
case '===':
|
|
if (typeof a === 'object')
|
|
a = a.version
|
|
if (typeof b === 'object')
|
|
b = b.version
|
|
return a === b
|
|
|
|
case '!==':
|
|
if (typeof a === 'object')
|
|
a = a.version
|
|
if (typeof b === 'object')
|
|
b = b.version
|
|
return a !== b
|
|
|
|
case '':
|
|
case '=':
|
|
case '==':
|
|
return eq(a, b, loose)
|
|
|
|
case '!=':
|
|
return neq(a, b, loose)
|
|
|
|
case '>':
|
|
return gt(a, b, loose)
|
|
|
|
case '>=':
|
|
return gte(a, b, loose)
|
|
|
|
case '<':
|
|
return lt(a, b, loose)
|
|
|
|
case '<=':
|
|
return lte(a, b, loose)
|
|
|
|
default:
|
|
throw new TypeError('Invalid operator: ' + op)
|
|
}
|
|
}
|
|
|
|
exports.Comparator = Comparator
|
|
function Comparator (comp, options) {
|
|
if (!options || typeof options !== 'object') {
|
|
options = {
|
|
loose: !!options,
|
|
includePrerelease: false
|
|
}
|
|
}
|
|
|
|
if (comp instanceof Comparator) {
|
|
if (comp.loose === !!options.loose) {
|
|
return comp
|
|
} else {
|
|
comp = comp.value
|
|
}
|
|
}
|
|
|
|
if (!(this instanceof Comparator)) {
|
|
return new Comparator(comp, options)
|
|
}
|
|
|
|
comp = comp.trim().split(/\s+/).join(' ')
|
|
debug('comparator', comp, options)
|
|
this.options = options
|
|
this.loose = !!options.loose
|
|
this.parse(comp)
|
|
|
|
if (this.semver === ANY) {
|
|
this.value = ''
|
|
} else {
|
|
this.value = this.operator + this.semver.version
|
|
}
|
|
|
|
debug('comp', this)
|
|
}
|
|
|
|
var ANY = {}
|
|
Comparator.prototype.parse = function (comp) {
|
|
var r = this.options.loose ? safeRe[t.COMPARATORLOOSE] : safeRe[t.COMPARATOR]
|
|
var m = comp.match(r)
|
|
|
|
if (!m) {
|
|
throw new TypeError('Invalid comparator: ' + comp)
|
|
}
|
|
|
|
this.operator = m[1] !== undefined ? m[1] : ''
|
|
if (this.operator === '=') {
|
|
this.operator = ''
|
|
}
|
|
|
|
// if it literally is just '>' or '' then allow anything.
|
|
if (!m[2]) {
|
|
this.semver = ANY
|
|
} else {
|
|
this.semver = new SemVer(m[2], this.options.loose)
|
|
}
|
|
}
|
|
|
|
Comparator.prototype.toString = function () {
|
|
return this.value
|
|
}
|
|
|
|
Comparator.prototype.test = function (version) {
|
|
debug('Comparator.test', version, this.options.loose)
|
|
|
|
if (this.semver === ANY || version === ANY) {
|
|
return true
|
|
}
|
|
|
|
if (typeof version === 'string') {
|
|
try {
|
|
version = new SemVer(version, this.options)
|
|
} catch (er) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return cmp(version, this.operator, this.semver, this.options)
|
|
}
|
|
|
|
Comparator.prototype.intersects = function (comp, options) {
|
|
if (!(comp instanceof Comparator)) {
|
|
throw new TypeError('a Comparator is required')
|
|
}
|
|
|
|
if (!options || typeof options !== 'object') {
|
|
options = {
|
|
loose: !!options,
|
|
includePrerelease: false
|
|
}
|
|
}
|
|
|
|
var rangeTmp
|
|
|
|
if (this.operator === '') {
|
|
if (this.value === '') {
|
|
return true
|
|
}
|
|
rangeTmp = new Range(comp.value, options)
|
|
return satisfies(this.value, rangeTmp, options)
|
|
} else if (comp.operator === '') {
|
|
if (comp.value === '') {
|
|
return true
|
|
}
|
|
rangeTmp = new Range(this.value, options)
|
|
return satisfies(comp.semver, rangeTmp, options)
|
|
}
|
|
|
|
var sameDirectionIncreasing =
|
|
(this.operator === '>=' || this.operator === '>') &&
|
|
(comp.operator === '>=' || comp.operator === '>')
|
|
var sameDirectionDecreasing =
|
|
(this.operator === '<=' || this.operator === '<') &&
|
|
(comp.operator === '<=' || comp.operator === '<')
|
|
var sameSemVer = this.semver.version === comp.semver.version
|
|
var differentDirectionsInclusive =
|
|
(this.operator === '>=' || this.operator === '<=') &&
|
|
(comp.operator === '>=' || comp.operator === '<=')
|
|
var oppositeDirectionsLessThan =
|
|
cmp(this.semver, '<', comp.semver, options) &&
|
|
((this.operator === '>=' || this.operator === '>') &&
|
|
(comp.operator === '<=' || comp.operator === '<'))
|
|
var oppositeDirectionsGreaterThan =
|
|
cmp(this.semver, '>', comp.semver, options) &&
|
|
((this.operator === '<=' || this.operator === '<') &&
|
|
(comp.operator === '>=' || comp.operator === '>'))
|
|
|
|
return sameDirectionIncreasing || sameDirectionDecreasing ||
|
|
(sameSemVer && differentDirectionsInclusive) ||
|
|
oppositeDirectionsLessThan || oppositeDirectionsGreaterThan
|
|
}
|
|
|
|
exports.Range = Range
|
|
function Range (range, options) {
|
|
if (!options || typeof options !== 'object') {
|
|
options = {
|
|
loose: !!options,
|
|
includePrerelease: false
|
|
}
|
|
}
|
|
|
|
if (range instanceof Range) {
|
|
if (range.loose === !!options.loose &&
|
|
range.includePrerelease === !!options.includePrerelease) {
|
|
return range
|
|
} else {
|
|
return new Range(range.raw, options)
|
|
}
|
|
}
|
|
|
|
if (range instanceof Comparator) {
|
|
return new Range(range.value, options)
|
|
}
|
|
|
|
if (!(this instanceof Range)) {
|
|
return new Range(range, options)
|
|
}
|
|
|
|
this.options = options
|
|
this.loose = !!options.loose
|
|
this.includePrerelease = !!options.includePrerelease
|
|
|
|
// First reduce all whitespace as much as possible so we do not have to rely
|
|
// on potentially slow regexes like \s*. This is then stored and used for
|
|
// future error messages as well.
|
|
this.raw = range
|
|
.trim()
|
|
.split(/\s+/)
|
|
.join(' ')
|
|
|
|
// First, split based on boolean or ||
|
|
this.set = this.raw.split('||').map(function (range) {
|
|
return this.parseRange(range.trim())
|
|
}, this).filter(function (c) {
|
|
// throw out any that are not relevant for whatever reason
|
|
return c.length
|
|
})
|
|
|
|
if (!this.set.length) {
|
|
throw new TypeError('Invalid SemVer Range: ' + this.raw)
|
|
}
|
|
|
|
this.format()
|
|
}
|
|
|
|
Range.prototype.format = function () {
|
|
this.range = this.set.map(function (comps) {
|
|
return comps.join(' ').trim()
|
|
}).join('||').trim()
|
|
return this.range
|
|
}
|
|
|
|
Range.prototype.toString = function () {
|
|
return this.range
|
|
}
|
|
|
|
Range.prototype.parseRange = function (range) {
|
|
var loose = this.options.loose
|
|
// `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
|
|
var hr = loose ? safeRe[t.HYPHENRANGELOOSE] : safeRe[t.HYPHENRANGE]
|
|
range = range.replace(hr, hyphenReplace)
|
|
debug('hyphen replace', range)
|
|
// `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
|
|
range = range.replace(safeRe[t.COMPARATORTRIM], comparatorTrimReplace)
|
|
debug('comparator trim', range, safeRe[t.COMPARATORTRIM])
|
|
|
|
// `~ 1.2.3` => `~1.2.3`
|
|
range = range.replace(safeRe[t.TILDETRIM], tildeTrimReplace)
|
|
|
|
// `^ 1.2.3` => `^1.2.3`
|
|
range = range.replace(safeRe[t.CARETTRIM], caretTrimReplace)
|
|
|
|
// normalize spaces
|
|
range = range.split(/\s+/).join(' ')
|
|
|
|
// At this point, the range is completely trimmed and
|
|
// ready to be split into comparators.
|
|
|
|
var compRe = loose ? safeRe[t.COMPARATORLOOSE] : safeRe[t.COMPARATOR]
|
|
var set = range.split(' ').map(function (comp) {
|
|
return parseComparator(comp, this.options)
|
|
}, this).join(' ').split(/\s+/)
|
|
if (this.options.loose) {
|
|
// in loose mode, throw out any that are not valid comparators
|
|
set = set.filter(function (comp) {
|
|
return !!comp.match(compRe)
|
|
})
|
|
}
|
|
set = set.map(function (comp) {
|
|
return new Comparator(comp, this.options)
|
|
}, this)
|
|
|
|
return set
|
|
}
|
|
|
|
Range.prototype.intersects = function (range, options) {
|
|
if (!(range instanceof Range)) {
|
|
throw new TypeError('a Range is required')
|
|
}
|
|
|
|
return this.set.some(function (thisComparators) {
|
|
return (
|
|
isSatisfiable(thisComparators, options) &&
|
|
range.set.some(function (rangeComparators) {
|
|
return (
|
|
isSatisfiable(rangeComparators, options) &&
|
|
thisComparators.every(function (thisComparator) {
|
|
return rangeComparators.every(function (rangeComparator) {
|
|
return thisComparator.intersects(rangeComparator, options)
|
|
})
|
|
})
|
|
)
|
|
})
|
|
)
|
|
})
|
|
}
|
|
|
|
// take a set of comparators and determine whether there
|
|
// exists a version which can satisfy it
|
|
function isSatisfiable (comparators, options) {
|
|
var result = true
|
|
var remainingComparators = comparators.slice()
|
|
var testComparator = remainingComparators.pop()
|
|
|
|
while (result && remainingComparators.length) {
|
|
result = remainingComparators.every(function (otherComparator) {
|
|
return testComparator.intersects(otherComparator, options)
|
|
})
|
|
|
|
testComparator = remainingComparators.pop()
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
// Mostly just for testing and legacy API reasons
|
|
exports.toComparators = toComparators
|
|
function toComparators (range, options) {
|
|
return new Range(range, options).set.map(function (comp) {
|
|
return comp.map(function (c) {
|
|
return c.value
|
|
}).join(' ').trim().split(' ')
|
|
})
|
|
}
|
|
|
|
// comprised of xranges, tildes, stars, and gtlt's at this point.
|
|
// already replaced the hyphen ranges
|
|
// turn into a set of JUST comparators.
|
|
function parseComparator (comp, options) {
|
|
debug('comp', comp, options)
|
|
comp = replaceCarets(comp, options)
|
|
debug('caret', comp)
|
|
comp = replaceTildes(comp, options)
|
|
debug('tildes', comp)
|
|
comp = replaceXRanges(comp, options)
|
|
debug('xrange', comp)
|
|
comp = replaceStars(comp, options)
|
|
debug('stars', comp)
|
|
return comp
|
|
}
|
|
|
|
function isX (id) {
|
|
return !id || id.toLowerCase() === 'x' || id === '*'
|
|
}
|
|
|
|
// ~, ~> --> * (any, kinda silly)
|
|
// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0
|
|
// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0
|
|
// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0
|
|
// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0
|
|
// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0
|
|
function replaceTildes (comp, options) {
|
|
return comp.trim().split(/\s+/).map(function (comp) {
|
|
return replaceTilde(comp, options)
|
|
}).join(' ')
|
|
}
|
|
|
|
function replaceTilde (comp, options) {
|
|
var r = options.loose ? safeRe[t.TILDELOOSE] : safeRe[t.TILDE]
|
|
return comp.replace(r, function (_, M, m, p, pr) {
|
|
debug('tilde', comp, _, M, m, p, pr)
|
|
var ret
|
|
|
|
if (isX(M)) {
|
|
ret = ''
|
|
} else if (isX(m)) {
|
|
ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'
|
|
} else if (isX(p)) {
|
|
// ~1.2 == >=1.2.0 <1.3.0
|
|
ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'
|
|
} else if (pr) {
|
|
debug('replaceTilde pr', pr)
|
|
ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
|
|
' <' + M + '.' + (+m + 1) + '.0'
|
|
} else {
|
|
// ~1.2.3 == >=1.2.3 <1.3.0
|
|
ret = '>=' + M + '.' + m + '.' + p +
|
|
' <' + M + '.' + (+m + 1) + '.0'
|
|
}
|
|
|
|
debug('tilde return', ret)
|
|
return ret
|
|
})
|
|
}
|
|
|
|
// ^ --> * (any, kinda silly)
|
|
// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0
|
|
// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0
|
|
// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0
|
|
// ^1.2.3 --> >=1.2.3 <2.0.0
|
|
// ^1.2.0 --> >=1.2.0 <2.0.0
|
|
function replaceCarets (comp, options) {
|
|
return comp.trim().split(/\s+/).map(function (comp) {
|
|
return replaceCaret(comp, options)
|
|
}).join(' ')
|
|
}
|
|
|
|
function replaceCaret (comp, options) {
|
|
debug('caret', comp, options)
|
|
var r = options.loose ? safeRe[t.CARETLOOSE] : safeRe[t.CARET]
|
|
return comp.replace(r, function (_, M, m, p, pr) {
|
|
debug('caret', comp, _, M, m, p, pr)
|
|
var ret
|
|
|
|
if (isX(M)) {
|
|
ret = ''
|
|
} else if (isX(m)) {
|
|
ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'
|
|
} else if (isX(p)) {
|
|
if (M === '0') {
|
|
ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'
|
|
} else {
|
|
ret = '>=' + M + '.' + m + '.0 <' + (+M + 1) + '.0.0'
|
|
}
|
|
} else if (pr) {
|
|
debug('replaceCaret pr', pr)
|
|
if (M === '0') {
|
|
if (m === '0') {
|
|
ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
|
|
' <' + M + '.' + m + '.' + (+p + 1)
|
|
} else {
|
|
ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
|
|
' <' + M + '.' + (+m + 1) + '.0'
|
|
}
|
|
} else {
|
|
ret = '>=' + M + '.' + m + '.' + p + '-' + pr +
|
|
' <' + (+M + 1) + '.0.0'
|
|
}
|
|
} else {
|
|
debug('no pr')
|
|
if (M === '0') {
|
|
if (m === '0') {
|
|
ret = '>=' + M + '.' + m + '.' + p +
|
|
' <' + M + '.' + m + '.' + (+p + 1)
|
|
} else {
|
|
ret = '>=' + M + '.' + m + '.' + p +
|
|
' <' + M + '.' + (+m + 1) + '.0'
|
|
}
|
|
} else {
|
|
ret = '>=' + M + '.' + m + '.' + p +
|
|
' <' + (+M + 1) + '.0.0'
|
|
}
|
|
}
|
|
|
|
debug('caret return', ret)
|
|
return ret
|
|
})
|
|
}
|
|
|
|
function replaceXRanges (comp, options) {
|
|
debug('replaceXRanges', comp, options)
|
|
return comp.split(/\s+/).map(function (comp) {
|
|
return replaceXRange(comp, options)
|
|
}).join(' ')
|
|
}
|
|
|
|
function replaceXRange (comp, options) {
|
|
comp = comp.trim()
|
|
var r = options.loose ? safeRe[t.XRANGELOOSE] : safeRe[t.XRANGE]
|
|
return comp.replace(r, function (ret, gtlt, M, m, p, pr) {
|
|
debug('xRange', comp, ret, gtlt, M, m, p, pr)
|
|
var xM = isX(M)
|
|
var xm = xM || isX(m)
|
|
var xp = xm || isX(p)
|
|
var anyX = xp
|
|
|
|
if (gtlt === '=' && anyX) {
|
|
gtlt = ''
|
|
}
|
|
|
|
// if we're including prereleases in the match, then we need
|
|
// to fix this to -0, the lowest possible prerelease value
|
|
pr = options.includePrerelease ? '-0' : ''
|
|
|
|
if (xM) {
|
|
if (gtlt === '>' || gtlt === '<') {
|
|
// nothing is allowed
|
|
ret = '<0.0.0-0'
|
|
} else {
|
|
// nothing is forbidden
|
|
ret = '*'
|
|
}
|
|
} else if (gtlt && anyX) {
|
|
// we know patch is an x, because we have any x at all.
|
|
// replace X with 0
|
|
if (xm) {
|
|
m = 0
|
|
}
|
|
p = 0
|
|
|
|
if (gtlt === '>') {
|
|
// >1 => >=2.0.0
|
|
// >1.2 => >=1.3.0
|
|
// >1.2.3 => >= 1.2.4
|
|
gtlt = '>='
|
|
if (xm) {
|
|
M = +M + 1
|
|
m = 0
|
|
p = 0
|
|
} else {
|
|
m = +m + 1
|
|
p = 0
|
|
}
|
|
} else if (gtlt === '<=') {
|
|
// <=0.7.x is actually <0.8.0, since any 0.7.x should
|
|
// pass. Similarly, <=7.x is actually <8.0.0, etc.
|
|
gtlt = '<'
|
|
if (xm) {
|
|
M = +M + 1
|
|
} else {
|
|
m = +m + 1
|
|
}
|
|
}
|
|
|
|
ret = gtlt + M + '.' + m + '.' + p + pr
|
|
} else if (xm) {
|
|
ret = '>=' + M + '.0.0' + pr + ' <' + (+M + 1) + '.0.0' + pr
|
|
} else if (xp) {
|
|
ret = '>=' + M + '.' + m + '.0' + pr +
|
|
' <' + M + '.' + (+m + 1) + '.0' + pr
|
|
}
|
|
|
|
debug('xRange return', ret)
|
|
|
|
return ret
|
|
})
|
|
}
|
|
|
|
// Because * is AND-ed with everything else in the comparator,
|
|
// and '' means "any version", just remove the *s entirely.
|
|
function replaceStars (comp, options) {
|
|
debug('replaceStars', comp, options)
|
|
// Looseness is ignored here. star is always as loose as it gets!
|
|
return comp.trim().replace(safeRe[t.STAR], '')
|
|
}
|
|
|
|
// This function is passed to string.replace(re[t.HYPHENRANGE])
|
|
// M, m, patch, prerelease, build
|
|
// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
|
|
// 1.2.3 - 3.4 => >=1.2.0 <3.5.0 Any 3.4.x will do
|
|
// 1.2 - 3.4 => >=1.2.0 <3.5.0
|
|
function hyphenReplace ($0,
|
|
from, fM, fm, fp, fpr, fb,
|
|
to, tM, tm, tp, tpr, tb) {
|
|
if (isX(fM)) {
|
|
from = ''
|
|
} else if (isX(fm)) {
|
|
from = '>=' + fM + '.0.0'
|
|
} else if (isX(fp)) {
|
|
from = '>=' + fM + '.' + fm + '.0'
|
|
} else {
|
|
from = '>=' + from
|
|
}
|
|
|
|
if (isX(tM)) {
|
|
to = ''
|
|
} else if (isX(tm)) {
|
|
to = '<' + (+tM + 1) + '.0.0'
|
|
} else if (isX(tp)) {
|
|
to = '<' + tM + '.' + (+tm + 1) + '.0'
|
|
} else if (tpr) {
|
|
to = '<=' + tM + '.' + tm + '.' + tp + '-' + tpr
|
|
} else {
|
|
to = '<=' + to
|
|
}
|
|
|
|
return (from + ' ' + to).trim()
|
|
}
|
|
|
|
// if ANY of the sets match ALL of its comparators, then pass
|
|
Range.prototype.test = function (version) {
|
|
if (!version) {
|
|
return false
|
|
}
|
|
|
|
if (typeof version === 'string') {
|
|
try {
|
|
version = new SemVer(version, this.options)
|
|
} catch (er) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
for (var i = 0; i < this.set.length; i++) {
|
|
if (testSet(this.set[i], version, this.options)) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
function testSet (set, version, options) {
|
|
for (var i = 0; i < set.length; i++) {
|
|
if (!set[i].test(version)) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
if (version.prerelease.length && !options.includePrerelease) {
|
|
// Find the set of versions that are allowed to have prereleases
|
|
// For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
|
|
// That should allow `1.2.3-pr.2` to pass.
|
|
// However, `1.2.4-alpha.notready` should NOT be allowed,
|
|
// even though it's within the range set by the comparators.
|
|
for (i = 0; i < set.length; i++) {
|
|
debug(set[i].semver)
|
|
if (set[i].semver === ANY) {
|
|
continue
|
|
}
|
|
|
|
if (set[i].semver.prerelease.length > 0) {
|
|
var allowed = set[i].semver
|
|
if (allowed.major === version.major &&
|
|
allowed.minor === version.minor &&
|
|
allowed.patch === version.patch) {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
|
|
// Version has a -pre, but it's not one of the ones we like.
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
exports.satisfies = satisfies
|
|
function satisfies (version, range, options) {
|
|
try {
|
|
range = new Range(range, options)
|
|
} catch (er) {
|
|
return false
|
|
}
|
|
return range.test(version)
|
|
}
|
|
|
|
exports.maxSatisfying = maxSatisfying
|
|
function maxSatisfying (versions, range, options) {
|
|
var max = null
|
|
var maxSV = null
|
|
try {
|
|
var rangeObj = new Range(range, options)
|
|
} catch (er) {
|
|
return null
|
|
}
|
|
versions.forEach(function (v) {
|
|
if (rangeObj.test(v)) {
|
|
// satisfies(v, range, options)
|
|
if (!max || maxSV.compare(v) === -1) {
|
|
// compare(max, v, true)
|
|
max = v
|
|
maxSV = new SemVer(max, options)
|
|
}
|
|
}
|
|
})
|
|
return max
|
|
}
|
|
|
|
exports.minSatisfying = minSatisfying
|
|
function minSatisfying (versions, range, options) {
|
|
var min = null
|
|
var minSV = null
|
|
try {
|
|
var rangeObj = new Range(range, options)
|
|
} catch (er) {
|
|
return null
|
|
}
|
|
versions.forEach(function (v) {
|
|
if (rangeObj.test(v)) {
|
|
// satisfies(v, range, options)
|
|
if (!min || minSV.compare(v) === 1) {
|
|
// compare(min, v, true)
|
|
min = v
|
|
minSV = new SemVer(min, options)
|
|
}
|
|
}
|
|
})
|
|
return min
|
|
}
|
|
|
|
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) {
|
|
try {
|
|
// Return '*' instead of '' so that truthiness works.
|
|
// This will throw if it's invalid anyway
|
|
return new Range(range, options).range || '*'
|
|
} catch (er) {
|
|
return null
|
|
}
|
|
}
|
|
|
|
// Determine if version is less than all the versions possible in the range
|
|
exports.ltr = ltr
|
|
function ltr (version, range, options) {
|
|
return outside(version, range, '<', options)
|
|
}
|
|
|
|
// Determine if version is greater than all the versions possible in the range.
|
|
exports.gtr = gtr
|
|
function gtr (version, range, options) {
|
|
return outside(version, range, '>', options)
|
|
}
|
|
|
|
exports.outside = outside
|
|
function outside (version, range, hilo, options) {
|
|
version = new SemVer(version, options)
|
|
range = new Range(range, options)
|
|
|
|
var gtfn, ltefn, ltfn, comp, ecomp
|
|
switch (hilo) {
|
|
case '>':
|
|
gtfn = gt
|
|
ltefn = lte
|
|
ltfn = lt
|
|
comp = '>'
|
|
ecomp = '>='
|
|
break
|
|
case '<':
|
|
gtfn = lt
|
|
ltefn = gte
|
|
ltfn = gt
|
|
comp = '<'
|
|
ecomp = '<='
|
|
break
|
|
default:
|
|
throw new TypeError('Must provide a hilo val of "<" or ">"')
|
|
}
|
|
|
|
// If it satisifes the range it is not outside
|
|
if (satisfies(version, range, options)) {
|
|
return false
|
|
}
|
|
|
|
// From now on, variable terms are as if we're in "gtr" mode.
|
|
// but note that everything is flipped for the "ltr" function.
|
|
|
|
for (var i = 0; i < range.set.length; ++i) {
|
|
var comparators = range.set[i]
|
|
|
|
var high = null
|
|
var low = null
|
|
|
|
comparators.forEach(function (comparator) {
|
|
if (comparator.semver === ANY) {
|
|
comparator = new Comparator('>=0.0.0')
|
|
}
|
|
high = high || comparator
|
|
low = low || comparator
|
|
if (gtfn(comparator.semver, high.semver, options)) {
|
|
high = comparator
|
|
} else if (ltfn(comparator.semver, low.semver, options)) {
|
|
low = comparator
|
|
}
|
|
})
|
|
|
|
// If the edge version comparator has a operator then our version
|
|
// isn't outside it
|
|
if (high.operator === comp || high.operator === ecomp) {
|
|
return false
|
|
}
|
|
|
|
// If the lowest version comparator has an operator and our version
|
|
// is less than it then it isn't higher than the range
|
|
if ((!low.operator || low.operator === comp) &&
|
|
ltefn(version, low.semver)) {
|
|
return false
|
|
} else if (low.operator === ecomp && ltfn(version, low.semver)) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
exports.prerelease = prerelease
|
|
function prerelease (version, options) {
|
|
var parsed = parse(version, options)
|
|
return (parsed && parsed.prerelease.length) ? parsed.prerelease : null
|
|
}
|
|
|
|
exports.intersects = intersects
|
|
function intersects (r1, r2, options) {
|
|
r1 = new Range(r1, options)
|
|
r2 = new Range(r2, options)
|
|
return r1.intersects(r2)
|
|
}
|
|
|
|
exports.coerce = coerce
|
|
function coerce (version, options) {
|
|
if (version instanceof SemVer) {
|
|
return version
|
|
}
|
|
|
|
if (typeof version === 'number') {
|
|
version = String(version)
|
|
}
|
|
|
|
if (typeof version !== 'string') {
|
|
return null
|
|
}
|
|
|
|
options = options || {}
|
|
|
|
var match = null
|
|
if (!options.rtl) {
|
|
match = version.match(safeRe[t.COERCE])
|
|
} else {
|
|
// Find the right-most coercible string that does not share
|
|
// a terminus with a more left-ward coercible string.
|
|
// Eg, '1.2.3.4' wants to coerce '2.3.4', not '3.4' or '4'
|
|
//
|
|
// Walk through the string checking with a /g regexp
|
|
// Manually set the index so as to pick up overlapping matches.
|
|
// Stop when we get a match that ends at the string end, since no
|
|
// coercible string can be more right-ward without the same terminus.
|
|
var next
|
|
while ((next = safeRe[t.COERCERTL].exec(version)) &&
|
|
(!match || match.index + match[0].length !== version.length)
|
|
) {
|
|
if (!match ||
|
|
next.index + next[0].length !== match.index + match[0].length) {
|
|
match = next
|
|
}
|
|
safeRe[t.COERCERTL].lastIndex = next.index + next[1].length + next[2].length
|
|
}
|
|
// leave it in a clean state
|
|
safeRe[t.COERCERTL].lastIndex = -1
|
|
}
|
|
|
|
if (match === null) {
|
|
return null
|
|
}
|
|
|
|
return parse(match[2] +
|
|
'.' + (match[3] || '0') +
|
|
'.' + (match[4] || '0'), options)
|
|
}
|