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exports = module.exports = SemVer;
// The debug function is excluded entirely from the minified version.
/* nomin */ var debug;
/* nomin */ if (typeof process === 'object' &&
/* nomin */ process.env &&
/* nomin */ process.env.NODE_DEBUG &&
/* nomin */ /\bsemver\b/i.test(process.env.NODE_DEBUG))
/* nomin */ debug = function() {
/* nomin */ var args = Array.prototype.slice.call(arguments, 0);
/* nomin */ args.unshift('SEMVER');
/* nomin */ console.log.apply(console, args);
/* nomin */ };
/* nomin */ else
/* nomin */ 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 || 9007199254740991;
// 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] + '$';
var XRANGELOOSE = R++;
src[XRANGELOOSE] = '^' + src[GTLT] + '\\s*' + src[XRANGEPLAINLOOSE] + '$';
// 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, loose) {
if (version instanceof SemVer)
return version;
if (typeof version !== 'string')
return null;
if (version.length > MAX_LENGTH)
return null;
var r = loose ? re[LOOSE] : re[FULL];
if (!r.test(version))
return null;
try {
return new SemVer(version, loose);
} catch (er) {
return null;
}
}
exports.valid = valid;
function valid(version, loose) {
var v = parse(version, loose);
return v ? v.version : null;
}
exports.clean = clean;
function clean(version, loose) {
var s = parse(version.trim().replace(/^[=v]+/, ''), loose);
return s ? s.version : null;
}
exports.SemVer = SemVer;
function SemVer(version, loose) {
if (version instanceof SemVer) {
if (version.loose === 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, loose);
debug('SemVer', version, loose);
this.loose = loose;
var m = version.trim().match(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.loose, other);
if (!(other instanceof SemVer))
other = new SemVer(other, this.loose);
return this.compareMain(other) || this.comparePre(other);
};
SemVer.prototype.compareMain = function(other) {
if (!(other instanceof SemVer))
other = new SemVer(other, this.loose);
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.loose);
// 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);
if (v1.prerelease.length || v2.prerelease.length) {
for (var key in v1) {
if (key === 'major' || key === 'minor' || key === 'patch') {
if (v1[key] !== v2[key]) {
return 'pre'+key;
}
}
}
return 'prerelease';
}
for (var key in v1) {
if (key === 'major' || key === 'minor' || key === 'patch') {
if (v1[key] !== v2[key]) {
return key;
}
}
}
}
}
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 (anum && !bnum) ? -1 :
(bnum && !anum) ? 1 :
a < b ? -1 :
a > b ? 1 :
0;
}
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) {
var ret;
switch (op) {
case '===':
if (typeof a === 'object') a = a.version;
if (typeof b === 'object') b = b.version;
ret = a === b;
break;
case '!==':
if (typeof a === 'object') a = a.version;
if (typeof b === 'object') b = b.version;
ret = a !== b;
break;
case '': case '=': case '==': ret = eq(a, b, loose); break;
case '!=': ret = neq(a, b, loose); break;
case '>': ret = gt(a, b, loose); break;
case '>=': ret = gte(a, b, loose); break;
case '<': ret = lt(a, b, loose); break;
case '<=': ret = lte(a, b, loose); break;
default: throw new TypeError('Invalid operator: ' + op);
}
return ret;
}
exports.Comparator = Comparator;
function Comparator(comp, loose) {
if (comp instanceof Comparator) {
if (comp.loose === loose)
return comp;
else
comp = comp.value;
}
if (!(this instanceof Comparator))
return new Comparator(comp, loose);
debug('comparator', comp, loose);
this.loose = 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.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.loose);
};
Comparator.prototype.toString = function() {
return this.value;
};
Comparator.prototype.test = function(version) {
debug('Comparator.test', version, this.loose);
if (this.semver === ANY)
return true;
if (typeof version === 'string')
version = new SemVer(version, this.loose);
return cmp(version, this.operator, this.semver, this.loose);
};
Comparator.prototype.intersects = function(comp, loose) {
if (!(comp instanceof Comparator)) {
throw new TypeError('a Comparator is required');
}
var rangeTmp;
if (this.operator === '') {
rangeTmp = new Range(comp.value, loose);
return satisfies(this.value, rangeTmp, loose);
} else if (comp.operator === '') {
rangeTmp = new Range(this.value, loose);
return satisfies(comp.semver, rangeTmp, loose);
}
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, loose) &&
((this.operator === '>=' || this.operator === '>') &&
(comp.operator === '<=' || comp.operator === '<'));
var oppositeDirectionsGreaterThan =
cmp(this.semver, '>', comp.semver, loose) &&
((this.operator === '<=' || this.operator === '<') &&
(comp.operator === '>=' || comp.operator === '>'));
return sameDirectionIncreasing || sameDirectionDecreasing ||
(sameSemVer && differentDirectionsInclusive) ||
oppositeDirectionsLessThan || oppositeDirectionsGreaterThan;
};
exports.Range = Range;
function Range(range, loose) {
if (range instanceof Range) {
if (range.loose === loose) {
return range;
} else {
return new Range(range.raw, loose);
}
}
if (range instanceof Comparator) {
return new Range(range.value, loose);
}
if (!(this instanceof Range))
return new Range(range, loose);
this.loose = loose;
// 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.loose;
range = range.trim();
debug('range', range, loose);
// `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, loose);
}).join(' ').split(/\s+/);
if (this.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, loose);
});
return set;
};
Range.prototype.intersects = function(range, loose) {
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, loose);
});
});
});
});
};
// Mostly just for testing and legacy API reasons
exports.toComparators = toComparators;
function toComparators(range, loose) {
return new Range(range, loose).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, loose) {
debug('comp', comp);
comp = replaceCarets(comp, loose);
debug('caret', comp);
comp = replaceTildes(comp, loose);
debug('tildes', comp);
comp = replaceXRanges(comp, loose);
debug('xrange', comp);
comp = replaceStars(comp, loose);
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, loose) {
return comp.trim().split(/\s+/).map(function(comp) {
return replaceTilde(comp, loose);
}).join(' ');
}
function replaceTilde(comp, loose) {
var r = 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);
if (pr.charAt(0) !== '-')
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, loose) {
return comp.trim().split(/\s+/).map(function(comp) {
return replaceCaret(comp, loose);
}).join(' ');
}
function replaceCaret(comp, loose) {
debug('caret', comp, loose);
var r = 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 (pr.charAt(0) !== '-')
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, loose) {
debug('replaceXRanges', comp, loose);
return comp.split(/\s+/).map(function(comp) {
return replaceXRange(comp, loose);
}).join(' ');
}
function replaceXRange(comp, loose) {
comp = comp.trim();
var r = 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) {
// replace X with 0
if (xm)
m = 0;
if (xp)
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 if (xp) {
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, loose) {
debug('replaceStars', comp, loose);
// 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.loose);
for (var i = 0; i < this.set.length; i++) {
if (testSet(this.set[i], version))
return true;
}
return false;
};
function testSet(set, version) {
for (var i = 0; i < set.length; i++) {
if (!set[i].test(version))
return false;
}
if (version.prerelease.length) {
// 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 (var 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, loose) {
try {
range = new Range(range, loose);
} catch (er) {
return false;
}
return range.test(version);
}
exports.maxSatisfying = maxSatisfying;
function maxSatisfying(versions, range, loose) {
var max = null;
var maxSV = null;
try {
var rangeObj = new Range(range, loose);
} catch (er) {
return null;
}
versions.forEach(function (v) {
if (rangeObj.test(v)) { // satisfies(v, range, loose)
if (!max || maxSV.compare(v) === -1) { // compare(max, v, true)
max = v;
maxSV = new SemVer(max, loose);
}
}
})
return max;
}
exports.minSatisfying = minSatisfying;
function minSatisfying(versions, range, loose) {
var min = null;
var minSV = null;
try {
var rangeObj = new Range(range, loose);
} catch (er) {
return null;
}
versions.forEach(function (v) {
if (rangeObj.test(v)) { // satisfies(v, range, loose)
if (!min || minSV.compare(v) === 1) { // compare(min, v, true)
min = v;
minSV = new SemVer(min, loose);
}
}
})
return min;
}
exports.validRange = validRange;
function validRange(range, loose) {
try {
// Return '*' instead of '' so that truthiness works.
// This will throw if it's invalid anyway
return new Range(range, loose).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, loose) {
return outside(version, range, '<', loose);
}
// Determine if version is greater than all the versions possible in the range.
exports.gtr = gtr;
function gtr(version, range, loose) {
return outside(version, range, '>', loose);
}
exports.outside = outside;
function outside(version, range, hilo, loose) {
version = new SemVer(version, loose);
range = new Range(range, loose);
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, loose)) {
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, loose)) {
high = comparator;
} else if (ltfn(comparator.semver, low.semver, loose)) {
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, loose) {
var parsed = parse(version, loose);
return (parsed && parsed.prerelease.length) ? parsed.prerelease : null;
}
exports.intersects = intersects;
function intersects(r1, r2, loose) {
r1 = new Range(r1, loose)
r2 = new Range(r2, loose)
return r1.intersects(r2)
}
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