D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
lib
/
node_modules
/
gulp
/
node_modules
/
sver
/
Filename :
sver.js
back
Copy
'use strict'; const shortSemverRegEx = /^([~\^])?(0|[1-9]\d*)(?:\.(0|[1-9]\d*))?$/; const semverRegEx = /^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-([\da-z-]+(?:\.[\da-z-]+)*))?(\+[\da-z-]+)?$/i; exports.semverRegEx = semverRegEx; exports.shortSemverRegEx = shortSemverRegEx; const MAJOR = Symbol('major'); const MINOR = Symbol('minor'); const PATCH = Symbol('patch'); const PRE = Symbol('pre'); const BUILD = Symbol('build'); const TAG = Symbol('tag'); let numRegEx = /^\d+$/; class Semver { constructor (version) { let 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]; } get major () { return this[MAJOR]; } get minor () { return this[MINOR]; } get patch () { return this[PATCH]; } get pre () { return this[PRE]; } get build () { return this[BUILD]; } get tag () { return this[TAG]; } gt (version) { return Semver.compare(this, version) === 1; } lt (version) { return Semver.compare(this, version) === -1; } 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 (let i = 0; i < this[PRE].length; i++) { if (this[PRE][i] !== version[PRE][i]) return false; } return this[BUILD] === version[BUILD]; } matches (range, unstable = false) { if (!(range instanceof SemverRange)) range = new SemverRange(range); return range.has(this, unstable); } toString () { if (this[TAG]) return this[TAG]; return this[MAJOR] + '.' + this[MINOR] + '.' + this[PATCH] + (this[PRE] ? '-' + this[PRE].join('.') : '') + (this[BUILD] ? this[BUILD] : ''); } toJSON() { return this.toString(); } static isValid (version) { let semver = version.match(semverRegEx); return semver && semver[2] !== undefined && semver[3] !== undefined; } static 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 return prereleaseCompare(v1[PRE], v2[PRE]); } } exports.Semver = Semver; function prereleaseCompare (v1Pre, v2Pre) { for (let i = 0, l = Math.min(v1Pre.length, v2Pre.length); i < l; i++) { if (v1Pre[i] !== v2Pre[i]) { let isNum1 = v1Pre[i].match(numRegEx); let isNum2 = v2Pre[i].match(numRegEx); // numeric has lower precedence if (isNum1 && !isNum2) return -1; if (isNum2 && !isNum1) return 1; // compare parts if (isNum1 && isNum2) return parseInt(v1Pre[i], 10) > parseInt(v2Pre[i], 10) ? 1 : -1; else return v1Pre[i] > v2Pre[i] ? 1 : -1; } } if (v1Pre.length === v2Pre.length) return 0; // more pre-release fields win if equal return v1Pre.length > v2Pre.length ? 1 : -1; } const WILDCARD_RANGE = 0; const MAJOR_RANGE = 1; const STABLE_RANGE = 2; const EXACT_RANGE = 3; const TYPE = Symbol('type'); const VERSION = Symbol('version'); class SemverRange { constructor (versionRange) { if (versionRange === '*' || versionRange === '') { this[TYPE] = WILDCARD_RANGE; return; } let 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] || []; } // forces hat on 0.x versions else if (versionRange.startsWith('^^')) { this[VERSION] = new Semver(versionRange.substr(2)); this[TYPE] = MAJOR_RANGE; } 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; } get isExact () { return this[TYPE] === EXACT_RANGE; } get isExactSemver () { return this[TYPE] === EXACT_RANGE && this.version[TAG] === undefined; } get isExactTag () { return this[TYPE] === EXACT_RANGE && this.version[TAG] !== undefined; } get isStable () { return this[TYPE] === STABLE_RANGE; } get isMajor () { return this[TYPE] === MAJOR_RANGE; } get isWildcard () { return this[TYPE] === WILDCARD_RANGE; } get type () { switch (this[TYPE]) { case WILDCARD_RANGE: return 'wildcard'; case MAJOR_RANGE: return 'major'; case STABLE_RANGE: return 'stable'; case EXACT_RANGE: return 'exact'; } } get version () { return this[VERSION]; } gt (range) { return SemverRange.compare(this, range) === 1; } lt (range) { return SemverRange.compare(this, range) === -1; } eq (range) { return SemverRange.compare(this, range) === 0; } has (version, unstable = false) { if (!(version instanceof Semver)) version = new Semver(version); if (this[TYPE] === WILDCARD_RANGE) return unstable || (!version[PRE] && !version[TAG]); if (this[TYPE] === EXACT_RANGE) return this[VERSION].eq(version); if (version[TAG]) return false; if (this[VERSION][MAJOR] !== version[MAJOR]) return false; if (this[TYPE] === MAJOR_RANGE ? this[VERSION][MINOR] > version[MINOR] : this[VERSION][MINOR] !== version[MINOR]) return false; if ((this[TYPE] === MAJOR_RANGE ? this[VERSION][MINOR] === version[MINOR] : true) && this[VERSION][PATCH] > version[PATCH]) return false; if (version[PRE] === undefined || version[PRE].length === 0) return true; if (this[VERSION][PRE] === undefined || this[VERSION][PRE].length === 0) return unstable; if (unstable === false && (this[VERSION][MINOR] !== version[MINOR] || this[VERSION][PATCH] !== version[PATCH])) return false; return prereleaseCompare(this[VERSION][PRE], version[PRE]) !== 1; } 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); } 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; let 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; let intersection = new SemverRange(higherRange[VERSION].toString()); intersection[TYPE] = STABLE_RANGE; return intersection; } bestMatch (versions, unstable = false) { let maxSemver; versions.forEach(version => { if (!(version instanceof Semver)) version = new Semver(version); if (!this.has(version, unstable)) return; if (!maxSemver) maxSemver = version; else if (Semver.compare(version, maxSemver) === 1) maxSemver = version; }); return maxSemver; } toString () { let 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 || version[MAJOR] === 0 && version[MINOR] === 0) return version[MAJOR] + '.' + version[MINOR]; return '~' + version.toString(); case EXACT_RANGE: return version.toString(); } } toJSON() { return this.toString(); } static match (range, version, unstable = false) { if (!(version instanceof Semver)) version = new Semver(version); return version.matches(range, unstable); } static isValid (range) { let semverRange = new SemverRange(range); return semverRange[TYPE] !== EXACT_RANGE || semverRange[VERSION][TAG] === undefined; } static 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; let 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;