wishthis/node_modules/sver-compat/sver.js
2022-01-21 09:28:41 +01:00

400 lines
12 KiB
JavaScript

'use strict';
var shortSemverRegEx = /^([~\^])?(0|[1-9]\d*)(?:\.(0|[1-9]\d*))?$/;
var semverRegEx = /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-([\da-z-]+(?:\.[\da-z-]+)*))?(\+[\da-z-]+)?$/i;
exports.semverRegEx = semverRegEx;
exports.shortSemverRegEx = shortSemverRegEx;
var Symbol = require('es6-symbol');
var MAJOR = Symbol('major');
var MINOR = Symbol('minor');
var PATCH = Symbol('patch');
var PRE = Symbol('pre');
var BUILD = Symbol('build');
var TAG = Symbol('tag');
var numRegEx = /^\d+$/;
function Semver(version) {
var semver = version.match(semverRegEx);
if (!semver) {
this[TAG] = version;
return;
}
this[MAJOR] = parseInt(semver[1], 10);
this[MINOR] = parseInt(semver[2], 10);
this[PATCH] = parseInt(semver[3], 10);
this[PRE] = semver[4] && semver[4].split('.');
this[BUILD] = semver[5];
}
Object.defineProperty(Semver.prototype, 'major', {
get: function major () {
return this[MAJOR];
}
});
Object.defineProperty(Semver.prototype, 'minor', {
get: function minor () {
return this[MINOR];
}
});
Object.defineProperty(Semver.prototype, 'patch', {
get: function patch () {
return this[PATCH];
}
});
Object.defineProperty(Semver.prototype, 'pre', {
get: function pre () {
return this[PRE];
}
});
Object.defineProperty(Semver.prototype, 'build', {
get: function build () {
return this[BUILD];
}
});
Object.defineProperty(Semver.prototype, 'tag', {
get: function tag () {
return this[TAG];
}
});
Semver.prototype.gt = function gt(version) {
return Semver.compare(this, version) === 1;
}
Semver.prototype.lt = function lt (version) {
return Semver.compare(this, version) === -1;
}
Semver.prototype.eq = function eq (version) {
if (!(version instanceof Semver))
version = new Semver(version);
if (this[TAG] && version[TAG])
return this[TAG] === version[TAG];
if (this[TAG] || version[TAG])
return false;
if (this[MAJOR] !== version[MAJOR])
return false;
if (this[MINOR] !== version[MINOR])
return false;
if (this[PATCH] !== version[PATCH])
return false;
if (this[PRE] === undefined && version[PRE] === undefined)
return true;
if (this[PRE] === undefined || version[PRE] === undefined)
return false;
if (this[PRE].length !== version[PRE].length)
return false;
for (var i = 0; i < this[PRE].length; i++) {
if (this[PRE][i] !== version[PRE][i])
return false;
}
return this[BUILD] === version[BUILD];
}
Semver.prototype.matches = function matches (range, unstable) {
unstable = unstable || false;
if (!(range instanceof SemverRange))
range = new SemverRange(range);
return range.has(this, unstable);
}
Semver.prototype.toString = function toString () {
if (this[TAG])
return this[TAG];
return this[MAJOR] + '.' + this[MINOR] + '.' + this[PATCH] + (this[PRE] ? '-' + this[PRE].join('.') : '') + (this[BUILD] ? this[BUILD] : '');
}
Semver.isValid = function isValid (version) {
var semver = version.match(semverRegEx);
return semver && semver[2] !== undefined && semver[3] !== undefined;
}
Semver.compare = function compare (v1, v2) {
if (!(v1 instanceof Semver))
v1 = new Semver(v1);
if (!(v2 instanceof Semver))
v2 = new Semver(v2);
// not semvers - tags have equal precedence
if (v1[TAG] && v2[TAG])
return 0;
// semver beats tag version
if (v1[TAG])
return -1;
if (v2[TAG])
return 1;
// compare version numbers
if (v1[MAJOR] !== v2[MAJOR])
return v1[MAJOR] > v2[MAJOR] ? 1 : -1;
if (v1[MINOR] !== v2[MINOR])
return v1[MINOR] > v2[MINOR] ? 1 : -1;
if (v1[PATCH] !== v2[PATCH])
return v1[PATCH] > v2[PATCH] ? 1 : -1;
if (!v1[PRE] && !v2[PRE])
return 0;
if (!v1[PRE])
return 1;
if (!v2[PRE])
return -1;
// prerelease comparison
for (var i = 0, l = Math.min(v1[PRE].length, v2[PRE].length); i < l; i++) {
if (v1[PRE][i] !== v2[PRE][i]) {
var isNum1 = v1[PRE][i].match(numRegEx);
var isNum2 = v2[PRE][i].match(numRegEx);
// numeric has lower precedence
if (isNum1 && !isNum2)
return -1;
if (isNum2 && !isNum1)
return 1;
// compare parts
if (isNum1 && isNum2)
return parseInt(v1[PRE][i], 10) > parseInt(v2[PRE][i], 10) ? 1 : -1;
else
return v1[PRE][i] > v2[PRE][i] ? 1 : -1;
}
}
if (v1[PRE].length === v2[PRE].length)
return 0;
// more pre-release fields win if equal
return v1[PRE].length > v2[PRE].length ? 1 : -1;
}
exports.Semver = Semver;
var WILDCARD_RANGE = 0;
var MAJOR_RANGE = 1;
var STABLE_RANGE = 2;
var EXACT_RANGE = 3;
var TYPE = Symbol('type');
var VERSION = Symbol('version');
function SemverRange(versionRange) {
if (versionRange === '*' || versionRange === '') {
this[TYPE] = WILDCARD_RANGE;
return;
}
var shortSemver = versionRange.match(shortSemverRegEx);
if (shortSemver) {
if (shortSemver[1])
versionRange = versionRange.substr(1);
if (shortSemver[3] === undefined) {
// ^, ~ mean the same thing for a single major
this[VERSION] = new Semver(versionRange + '.0.0');
this[TYPE] = MAJOR_RANGE;
}
else {
this[VERSION] = new Semver(versionRange + '.0');
// ^ only becomes major range for major > 0
if (shortSemver[1] === '^' && shortSemver[2] !== '0')
this[TYPE] = MAJOR_RANGE;
else
this[TYPE] = STABLE_RANGE;
}
// empty pre array === support prerelease ranges
this[VERSION][PRE] = this[VERSION][PRE] || [];
}
else if (versionRange[0] === '^') {
this[VERSION] = new Semver(versionRange.substr(1));
if (this[VERSION][MAJOR] === 0) {
if (this[VERSION][MINOR] === 0)
this[TYPE] = EXACT_RANGE;
else
this[TYPE] = STABLE_RANGE;
}
else {
this[TYPE] = MAJOR_RANGE;
}
}
else if (versionRange[0] === '~') {
this[VERSION] = new Semver(versionRange.substr(1));
this[TYPE] = STABLE_RANGE;
}
else {
this[VERSION] = new Semver(versionRange);
this[TYPE] = EXACT_RANGE;
}
if (this[VERSION][TAG] && this[TYPE] !== EXACT_RANGE)
this[TYPE] = EXACT_RANGE;
}
Object.defineProperty(SemverRange.prototype, 'isExact', {
get: function isExact () {
return this[TYPE] === EXACT_RANGE;
}
});
Object.defineProperty(SemverRange.prototype, 'isStable', {
get: function isStable () {
return this[TYPE] === STABLE_RANGE;
}
});
Object.defineProperty(SemverRange.prototype, 'isMajor', {
get: function isMajor () {
return this[TYPE] === MAJOR_RANGE;
}
});
Object.defineProperty(SemverRange.prototype, 'isWildcard', {
get: function isWildcard () {
return this[TYPE] === WILDCARD_RANGE;
}
});
Object.defineProperty(SemverRange.prototype, 'type', {
get: function type () {
switch (this[TYPE]) {
case WILDCARD_RANGE:
return 'wildcard';
case MAJOR_RANGE:
return 'major';
case STABLE_RANGE:
return 'stable';
case EXACT_RANGE:
return 'exact';
}
}
});
Object.defineProperty(SemverRange.prototype, 'version', {
get: function version () {
return this[VERSION];
}
});
SemverRange.prototype.gt = function gt (range) {
return SemverRange.compare(this, range) === 1;
}
SemverRange.prototype.lt = function lt (range) {
return SemverRange.compare(this, range) === -1;
}
SemverRange.prototype.eq = function eq (range) {
return SemverRange.compare(this, range) === 0;
}
SemverRange.prototype.has = function has (version, unstable) {
unstable = unstable || false;
if (!(version instanceof Semver))
version = new Semver(version);
if (this[TYPE] === WILDCARD_RANGE)
return true;
if (this[TYPE] === EXACT_RANGE)
return this[VERSION].eq(version);
if (version[TAG])
return false;
if (version.lt(this[VERSION]))
return false;
if (version[PRE] && !unstable)
return this[VERSION][MAJOR] === version[MAJOR] && this[VERSION][MINOR] === version[MINOR] && this[VERSION][PATCH] === version[PATCH];
if (this[TYPE] === MAJOR_RANGE)
return this[VERSION][MAJOR] === version[MAJOR];
return this[VERSION][MAJOR] === version[MAJOR] && this[VERSION][MINOR] === version[MINOR];
}
SemverRange.prototype.contains = function contains (range) {
if (!(range instanceof SemverRange))
range = new SemverRange(range);
if (this[TYPE] === WILDCARD_RANGE)
return true;
if (range[TYPE] === WILDCARD_RANGE)
return false;
return range[TYPE] >= this[TYPE] && this.has(range[VERSION], true);
}
SemverRange.prototype.intersect = function intersect (range) {
if (!(range instanceof SemverRange))
range = new SemverRange(range);
if (this[TYPE] === WILDCARD_RANGE && range[TYPE] === WILDCARD_RANGE)
return this;
if (this[TYPE] === WILDCARD_RANGE)
return range;
if (range[TYPE] === WILDCARD_RANGE)
return this;
if (this[TYPE] === EXACT_RANGE)
return range.has(this[VERSION], true) ? this : undefined;
if (range[TYPE] === EXACT_RANGE)
return this.has(range[VERSION], true) ? range : undefined;
var higherRange, lowerRange, polarity;
if (range[VERSION].gt(this[VERSION])) {
higherRange = range;
lowerRange = this;
polarity = true;
}
else {
higherRange = this;
lowerRange = range;
polarity = false;
}
if (!lowerRange.has(higherRange[VERSION], true))
return;
if (lowerRange[TYPE] === MAJOR_RANGE)
return polarity ? range : this;
var intersection = new SemverRange(higherRange[VERSION].toString());
intersection[TYPE] = STABLE_RANGE;
return intersection;
}
SemverRange.prototype.bestMatch = function bestMatch (versions, unstable) {
unstable = unstable || false;
var self = this;
var maxSemver;
versions.forEach(function(version) {
if (!(version instanceof Semver))
version = new Semver(version);
if (!self.has(version, unstable))
return;
if (!unstable && version[PRE]) {
if (self[TYPE] === WILDCARD_RANGE || !self[VERSION][PRE] || self[VERSION][MAJOR] !== version[MAJOR] ||
self[VERSION][MINOR] !== version[MINOR] || self[VERSION][PATCH] !== version[PATCH])
return;
}
if (!maxSemver) {
maxSemver = version;
}
else if (Semver.compare(version, maxSemver) === 1) {
maxSemver = version;
}
});
return maxSemver;
}
SemverRange.prototype.toString = function toString () {
var version = this[VERSION];
switch (this[TYPE]) {
case WILDCARD_RANGE:
return '*';
case MAJOR_RANGE:
if (version[MAJOR] === 0 && version[MINOR] === 0 && version[PATCH] === 0)
return '0';
if (version[PRE] && version[PRE].length === 0 && version[PATCH] === 0)
return '^' + version[MAJOR] + '.' + version[MINOR];
return '^' + version.toString();
case STABLE_RANGE:
if (version[PRE] && version[PRE].length === 0 && version[PATCH] === 0)
return version[MAJOR] + '.' + version[MINOR];
return '~' + version.toString();
case EXACT_RANGE:
return version.toString();
}
}
SemverRange.match = function match (range, version, unstable) {
unstable = unstable || false;
if (!(version instanceof Semver))
version = new Semver(version);
return version.matches(range, unstable);
}
SemverRange.isValid = function isValid (range) {
var semverRange = new SemverRange(range);
return semverRange[TYPE] !== EXACT_RANGE || semverRange[VERSION][TAG] === undefined;
}
SemverRange.compare = function compare (r1, r2) {
if (!(r1 instanceof SemverRange))
r1 = new SemverRange(r1);
if (!(r2 instanceof SemverRange))
r2 = new SemverRange(r2);
if (r1[TYPE] === WILDCARD_RANGE && r2[TYPE] === WILDCARD_RANGE)
return 0;
if (r1[TYPE] === WILDCARD_RANGE)
return 1;
if (r2[TYPE] === WILDCARD_RANGE)
return -1;
var cmp = Semver.compare(r1[VERSION], r2[VERSION]);
if (cmp !== 0) {
return cmp;
}
if (r1[TYPE] === r2[TYPE])
return 0;
return r1[TYPE] > r2[TYPE] ? 1 : -1;
}
exports.SemverRange = SemverRange;