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semver.js
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semver.js
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			exports = module.exports = SemVer

			var debug
			/* istanbul ignore next */
			if (typeof process === 'object' &&
			process.env &&
			process.env.NODE_DEBUG &&
			/\bsemver\b/i.test(process.env.NODE_DEBUG)) {
			debug = function () {
			var args = Array.prototype.slice.call(arguments, 0)
			args.unshift('SEMVER')
			console.log.apply(console, args)
			}
			} else {
			debug = function () {}
			}

			// Note: this is the semver.org version of the spec that it implements
			// Not necessarily the package version of this code.
			exports.SEMVER_SPEC_VERSION = '2.0.0'

			var MAX_LENGTH = 256
			var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER \|\|
			/* istanbul ignore next */ 9007199254740991

			// Max safe segment length for coercion.
			var MAX_SAFE_COMPONENT_LENGTH = 16

			// The actual regexps go on exports.re
			var re = exports.re = []
			var src = exports.src = []
			var R = 0

			// The following Regular Expressions can be used for tokenizing,
			// validating, and parsing SemVer version strings.

			// ## Numeric Identifier
			// A single `0`, or a non-zero digit followed by zero or more digits.

			var NUMERICIDENTIFIER = R++
			src[NUMERICIDENTIFIER] = '0\|[1-9]\\d*'
			var NUMERICIDENTIFIERLOOSE = R++
			src[NUMERICIDENTIFIERLOOSE] = '[0-9]+'

			// ## Non-numeric Identifier
			// Zero or more digits, followed by a letter or hyphen, and then zero or
			// more letters, digits, or hyphens.

			var NONNUMERICIDENTIFIER = R++
			src[NONNUMERICIDENTIFIER] = '\\d[a-zA-Z-][a-zA-Z0-9-]'

			// ## Main Version
			// Three dot-separated numeric identifiers.

			var MAINVERSION = R++
			src[MAINVERSION] = '(' + src[NUMERICIDENTIFIER] + ')\\.' +
			'(' + src[NUMERICIDENTIFIER] + ')\\.' +
			'(' + src[NUMERICIDENTIFIER] + ')'

			var MAINVERSIONLOOSE = R++
			src[MAINVERSIONLOOSE] = '(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
			'(' + src[NUMERICIDENTIFIERLOOSE] + ')\\.' +
			'(' + src[NUMERICIDENTIFIERLOOSE] + ')'

			// ## Pre-release Version Identifier
			// A numeric identifier, or a non-numeric identifier.

			var PRERELEASEIDENTIFIER = R++
			src[PRERELEASEIDENTIFIER] = '(?:' + src[NUMERICIDENTIFIER] +
			'\|' + src[NONNUMERICIDENTIFIER] + ')'

			var PRERELEASEIDENTIFIERLOOSE = R++
			src[PRERELEASEIDENTIFIERLOOSE] = '(?:' + src[NUMERICIDENTIFIERLOOSE] +
			'\|' + src[NONNUMERICIDENTIFIER] + ')'

			// ## Pre-release Version
			// Hyphen, followed by one or more dot-separated pre-release version
			// identifiers.

			var PRERELEASE = R++
			src[PRERELEASE] = '(?:-(' + src[PRERELEASEIDENTIFIER] +
			'(?:\\.' + src[PRERELEASEIDENTIFIER] + ')*))'

			var PRERELEASELOOSE = R++
			src[PRERELEASELOOSE] = '(?:-?(' + src[PRERELEASEIDENTIFIERLOOSE] +
			'(?:\\.' + src[PRERELEASEIDENTIFIERLOOSE] + ')*))'

			// ## Build Metadata Identifier
			// Any combination of digits, letters, or hyphens.

			var BUILDIDENTIFIER = R++
			src[BUILDIDENTIFIER] = '[0-9A-Za-z-]+'

			// ## Build Metadata
			// Plus sign, followed by one or more period-separated build metadata
			// identifiers.

			var BUILD = R++
			src[BUILD] = '(?:\\+(' + src[BUILDIDENTIFIER] +
			'(?:\\.' + src[BUILDIDENTIFIER] + ')*))'

			// ## Full Version String
			// A main version, followed optionally by a pre-release version and
			// build metadata.

			// Note that the only major, minor, patch, and pre-release sections of
			// the version string are capturing groups. The build metadata is not a
			// capturing group, because it should not ever be used in version
			// comparison.

			var FULL = R++
			var FULLPLAIN = 'v?' + src[MAINVERSION] +
			src[PRERELEASE] + '?' +
			src[BUILD] + '?'

			src[FULL] = '^' + FULLPLAIN + '$'

			// like full, but allows v1.2.3 and =1.2.3, which people do sometimes.
			// also, 1.0.0alpha1 (prerelease without the hyphen) which is pretty
			// common in the npm registry.
			var LOOSEPLAIN = '[v=\\s]*' + src[MAINVERSIONLOOSE] +
			src[PRERELEASELOOSE] + '?' +
			src[BUILD] + '?'

			var LOOSE = R++
			src[LOOSE] = '^' + LOOSEPLAIN + '$'

			var GTLT = R++
			src[GTLT] = '((?:<\|>)?=?)'

			// Something like "2.*" or "1.2.x".
			// Note that "x.x" is a valid xRange identifer, meaning "any version"
			// Only the first item is strictly required.
			var XRANGEIDENTIFIERLOOSE = R++
			src[XRANGEIDENTIFIERLOOSE] = src[NUMERICIDENTIFIERLOOSE] + '\|x\|X\|\\*'
			var XRANGEIDENTIFIER = R++
			src[XRANGEIDENTIFIER] = src[NUMERICIDENTIFIER] + '\|x\|X\|\\*'

			var XRANGEPLAIN = R++
			src[XRANGEPLAIN] = '[v=\\s]*(' + src[XRANGEIDENTIFIER] + ')' +
			'(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
			'(?:\\.(' + src[XRANGEIDENTIFIER] + ')' +
			'(?:' + src[PRERELEASE] + ')?' +
			src[BUILD] + '?' +
			')?)?'

			var XRANGEPLAINLOOSE = R++
			src[XRANGEPLAINLOOSE] = '[v=\\s]*(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
			'(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
			'(?:\\.(' + src[XRANGEIDENTIFIERLOOSE] + ')' +
			'(?:' + src[PRERELEASELOOSE] + ')?' +
			src[BUILD] + '?' +
			')?)?'

			var XRANGE = R++
			src[XRANGE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAIN] + '$'
			var XRANGELOOSE = R++
			src[XRANGELOOSE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAINLOOSE] + '$'

			// Coercion.
			// Extract anything that could conceivably be a part of a valid semver
			var COERCE = R++
			src[COERCE] = '(?:^\|[^\\d])' +
			'(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '})' +
			'(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
			'(?:\\.(\\d{1,' + MAX_SAFE_COMPONENT_LENGTH + '}))?' +
			'(?:$\|[^\\d])'

			// Tilde ranges.
			// Meaning is "reasonably at or greater than"
			var LONETILDE = R++
			src[LONETILDE] = '(?:~>?)'

			var TILDETRIM = R++
			src[TILDETRIM] = '(\\s*)' + src[LONETILDE] + '\\s+'
			re[TILDETRIM] = new RegExp(src[TILDETRIM], 'g')
			var tildeTrimReplace = '$1~'

			var TILDE = R++
			src[TILDE] = '^' + src[LONETILDE] + src[XRANGEPLAIN] + '$'
			var TILDELOOSE = R++
			src[TILDELOOSE] = '^' + src[LONETILDE] + src[XRANGEPLAINLOOSE] + '$'

			// Caret ranges.
			// Meaning is "at least and backwards compatible with"
			var LONECARET = R++
			src[LONECARET] = '(?:\\^)'

			var CARETTRIM = R++
			src[CARETTRIM] = '(\\s*)' + src[LONECARET] + '\\s+'
			re[CARETTRIM] = new RegExp(src[CARETTRIM], 'g')
			var caretTrimReplace = '$1^'

			var CARET = R++
			src[CARET] = '^' + src[LONECARET] + src[XRANGEPLAIN] + '$'
			var CARETLOOSE = R++
			src[CARETLOOSE] = '^' + src[LONECARET] + src[XRANGEPLAINLOOSE] + '$'

			// A simple gt/lt/eq thing, or just "" to indicate "any version"
			var COMPARATORLOOSE = R++
			src[COMPARATORLOOSE] = '^' + src[GTLT] + '\\s*(' + LOOSEPLAIN + ')$\|^$'
			var COMPARATOR = R++
			src[COMPARATOR] = '^' + src[GTLT] + '\\s*(' + FULLPLAIN + ')$\|^$'

			// An expression to strip any whitespace between the gtlt and the thing
			// it modifies, so that `> 1.2.3` ==> `>1.2.3`
			var COMPARATORTRIM = R++
			src[COMPARATORTRIM] = '(\\s*)' + src[GTLT] +
			'\\s*(' + LOOSEPLAIN + '\|' + src[XRANGEPLAIN] + ')'

			// this one has to use the /g flag
			re[COMPARATORTRIM] = new RegExp(src[COMPARATORTRIM], 'g')
			var comparatorTrimReplace = '$1$2$3'

			// Something like `1.2.3 - 1.2.4`
			// Note that these all use the loose form, because they'll be
			// checked against either the strict or loose comparator form
			// later.
			var HYPHENRANGE = R++
			src[HYPHENRANGE] = '^\\s*(' + src[XRANGEPLAIN] + ')' +
			'\\s+-\\s+' +
			'(' + src[XRANGEPLAIN] + ')' +
			'\\s*$'

			var HYPHENRANGELOOSE = R++
			src[HYPHENRANGELOOSE] = '^\\s*(' + src[XRANGEPLAINLOOSE] + ')' +
			'\\s+-\\s+' +
			'(' + src[XRANGEPLAINLOOSE] + ')' +
			'\\s*$'

			// Star ranges basically just allow anything at all.
			var STAR = R++
			src[STAR] = '(<\|>)?=?\\s\\'

			// Compile to actual regexp objects.
			// All are flag-free, unless they were created above with a flag.
			for (var i = 0; i < R; i++) {
			debug(i, src[i])
			if (!re[i]) {
			re[i] = new RegExp(src[i])
			}
			}

			exports.parse = parse
			function parse (version, options) {
			if (!options \|\| typeof options !== 'object') {
			options = {
			loose: !!options,
			includePrerelease: false
			}
			}

			if (version instanceof SemVer) {
			return version
			}

			if (typeof version !== 'string') {
			return null
			}

			if (version.length > MAX_LENGTH) {
			return null
			}

			var r = options.loose ? re[LOOSE] : re[FULL]
			if (!r.test(version)) {
			return null
			}

			try {
			return new SemVer(version, options)
			} catch (er) {
			return null
			}
			}

			exports.valid = valid
			function valid (version, options) {
			var v = parse(version, options)
			return v ? v.version : null
			}

			exports.clean = clean
			function clean (version, options) {
			var s = parse(version.trim().replace(/^[=v]+/, ''), options)
			return s ? s.version : null
			}

			exports.SemVer = SemVer

			function SemVer (version, options) {
			if (!options \|\| typeof options !== 'object') {
			options = {
			loose: !!options,
			includePrerelease: false
			}
			}
			if (version instanceof SemVer) {
			if (version.loose === options.loose) {
			return version
			} else {
			version = version.version
			}
			} else if (typeof version !== 'string') {
			throw new TypeError('Invalid Version: ' + version)
			}

			if (version.length > MAX_LENGTH) {
			throw new TypeError('version is longer than ' + MAX_LENGTH + ' characters')
			}

			if (!(this instanceof SemVer)) {
			return new SemVer(version, options)
			}

			debug('SemVer', version, options)
			this.options = options
			this.loose = !!options.loose

			var m = version.trim().match(options.loose ? re[LOOSE] : re[FULL])

			if (!m) {
			throw new TypeError('Invalid Version: ' + version)
			}

			this.raw = version

			// these are actually numbers
			this.major = +m[1]
			this.minor = +m[2]
			this.patch = +m[3]

			if (this.major > MAX_SAFE_INTEGER \|\| this.major < 0) {
			throw new TypeError('Invalid major version')
			}

			if (this.minor > MAX_SAFE_INTEGER \|\| this.minor < 0) {
			throw new TypeError('Invalid minor version')
			}

			if (this.patch > MAX_SAFE_INTEGER \|\| this.patch < 0) {
			throw new TypeError('Invalid patch version')
			}

			// numberify any prerelease numeric ids
			if (!m[4]) {
			this.prerelease = []
			} else {
			this.prerelease = m[4].split('.').map(function (id) {
			if (/^[0-9]+$/.test(id)) {
			var num = +id
			if (num >= 0 && num < MAX_SAFE_INTEGER) {
			return num
			}
			}
			return id
			})
			}

			this.build = m[5] ? m[5].split('.') : []
			this.format()
			}

			SemVer.prototype.format = function () {
			this.version = this.major + '.' + this.minor + '.' + this.patch
			if (this.prerelease.length) {
			this.version += '-' + this.prerelease.join('.')
			}
			return this.version
			}

			SemVer.prototype.toString = function () {
			return this.version
			}

			SemVer.prototype.compare = function (other) {
			debug('SemVer.compare', this.version, this.options, other)
			if (!(other instanceof SemVer)) {
			other = new SemVer(other, this.options)
			}

			return this.compareMain(other) \|\| this.comparePre(other)
			}

			SemVer.prototype.compareMain = function (other) {
			if (!(other instanceof SemVer)) {
			other = new SemVer(other, this.options)
			}

			return compareIdentifiers(this.major, other.major) \|\|
			compareIdentifiers(this.minor, other.minor) \|\|
			compareIdentifiers(this.patch, other.patch)
			}

			SemVer.prototype.comparePre = function (other) {
			if (!(other instanceof SemVer)) {
			other = new SemVer(other, this.options)
			}

			// NOT having a prerelease is > having one
			if (this.prerelease.length && !other.prerelease.length) {
			return -1
			} else if (!this.prerelease.length && other.prerelease.length) {
			return 1
			} else if (!this.prerelease.length && !other.prerelease.length) {
			return 0
			}

			var i = 0
			do {
			var a = this.prerelease[i]
			var b = other.prerelease[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.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.compare(a, b, loose)
			})
			}

			exports.rsort = rsort
			function rsort (list, loose) {
			return list.sort(function (a, b) {
			return exports.rcompare(a, b, 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)
			}

			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 ? re[COMPARATORLOOSE] : re[COMPARATOR]
			var m = comp.match(r)

			if (!m) {
			throw new TypeError('Invalid comparator: ' + comp)
			}

			this.operator = 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) {
			return true
			}

			if (typeof version === 'string') {
			version = new SemVer(version, this.options)
			}

			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 === '') {
			rangeTmp = new Range(comp.value, options)
			return satisfies(this.value, rangeTmp, options)
			} else if (comp.operator === '') {
			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, split based on boolean or \|\|
			this.raw = range
			this.set = range.split(/\s\\|\\|\s/).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: ' + range)
			}

			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
			range = range.trim()
			// `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
			var hr = loose ? re[HYPHENRANGELOOSE] : re[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(re[COMPARATORTRIM], comparatorTrimReplace)
			debug('comparator trim', range, re[COMPARATORTRIM])

			// `~ 1.2.3` => `~1.2.3`
			range = range.replace(re[TILDETRIM], tildeTrimReplace)

			// `^ 1.2.3` => `^1.2.3`
			range = range.replace(re[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 ? re[COMPARATORLOOSE] : re[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 thisComparators.every(function (thisComparator) {
			return range.set.some(function (rangeComparators) {
			return rangeComparators.every(function (rangeComparator) {
			return thisComparator.intersects(rangeComparator, options)
			})
			})
			})
			})
			}

			// 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 ? re[TILDELOOSE] : re[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 ? re[CARETLOOSE] : re[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 ? re[XRANGELOOSE] : re[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 (xM) {
			if (gtlt === '>' \|\| gtlt === '<') {
			// nothing is allowed
			ret = '<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
			} else if (xm) {
			ret = '>=' + M + '.0.0 <' + (+M + 1) + '.0.0'
			} else if (xp) {
			ret = '>=' + M + '.' + m + '.0 <' + M + '.' + (+m + 1) + '.0'
			}

			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(re[STAR], '')
			}

			// This function is passed to string.replace(re[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') {
			version = new SemVer(version, this.options)
			}

			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) {
			if (version instanceof SemVer) {
			return version
			}

			if (typeof version !== 'string') {
			return null
			}

			var match = version.match(re[COERCE])

			if (match == null) {
			return null
			}

			return parse(match[1] +
			'.' + (match[2] \|\| '0') +
			'.' + (match[3] \|\| '0'))
			}

rOACCT/node_modules/semver/semver.jsf40d8f152a93paginated-inlines

semver.jsView Options

rOACCT/node_modules/semver/semver.js
f40d8f152a93paginated-inlines

semver.js
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