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versioning.js
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versioning.js
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"use strict";
const semver = require('semver')
const SemVer = {
sort: semver.sort,
parse: semver.parse,
valid: semver.valid,
range(range, includePrerelease) {
return new semver.Range(range, {loose: true, includePrerelease});
}
}
const Lexicographically = {
sort(versionsList) {
return versionsList.sort()
},
parse(version) {
return {
major: version,
minor: '0',
patch: '0'
}
},
valid() {
return true;
},
range(range) {
const re = new RegExp(range);
return {
toString: () => {
return `LexicographicVersionRange[${range}]`
},
test(version) {
return re.test(version);
},
format: () => {
return range;
}
};
}
}
const DIGITS ='[0-9]+';
const OSGI_QUALIFIER = '[0-9a-z_-]+';
const OSGI_VERSION = `(${DIGITS})(?:\.(${DIGITS})(?:\.(${DIGITS})(?:\.(${OSGI_QUALIFIER}))?)?)?`;
const OSGI_VERSION_REG_EXP = new RegExp(`^${OSGI_VERSION}\$`, 'i');
const OSGI_RANGE_START = '[\\[(]';
const OSGI_RANGE_END = '[\\])]';
const OSGI_RANGE = `(${OSGI_RANGE_START})?${OSGI_VERSION}(?:,${OSGI_VERSION}(${OSGI_RANGE_END}))?`;
const OSGI_RANGE_REG_EXP = new RegExp(`^${OSGI_RANGE}\$`, 'i');
const OSGI = {
compare(a, b) {
if (a > b) return 1;
if (b > a) return -1;
return 0;
},
compareVersions(aVersion, bVersion) {
const compareResults = [
this.compare(aVersion.major, bVersion.major),
this.compare(aVersion.minor, bVersion.minor),
// OSGI versioning calls it "micro": https://www.eclipse.org/virgo/documentation/virgo-documentation-3.7.0.M01/docs/virgo-user-guide/html/ch02s02.html
this.compare(aVersion.micro, bVersion.micro)
// OSGI qualifiers are not used in comparisons.
]
// `find` returns the 1st item satisfying, or undefined
return compareResults.find(e => e !== 0) || 0;
},
sort(versionsList) {
return versionsList.sort((a, b) => {
const aVersion = this.parse(a);
const bVersion = this.parse(b);
return this.compareVersions(aVersion, bVersion);
});
},
parse(version) {
const match = version.match(OSGI_VERSION_REG_EXP);
if (!match) {
return null;
}
return this.versionFromMatch(match)
},
versionFromMatch(match, groupOffset = 0) {
if (match[groupOffset + 1] == null) {
return null;
}
return {
major: match[groupOffset + 1],
minor: match[groupOffset + 2] || '0',
patch: match[groupOffset + 3] || '0',
// osgi specific alias for patch
micro: match[groupOffset + 3] || '0',
qualifier: match[groupOffset + 4] || ''
};
},
valid(version) {
return this.parse(version) !== null;
},
range(range) {
const match = range.match(OSGI_RANGE_REG_EXP);
if (!match) {
return null;
}
const lower = this.versionFromMatch(match, 1);
const lowerInclusive = match[1] === '[' || !match[1];
const upper = this.versionFromMatch(match, 5);
const upperInclusive = match[10] === ']';
return {
test: version => {
version = this.parse(version);
const lowerCompare = this.compareVersions(lower, version);
if (lowerCompare > 0) {
return false;
}
if (lowerCompare === 0 && !lowerInclusive) {
return false;
}
if (!upper) {
return true;
}
const upperCompare = this.compareVersions(upper, version)
if (upperCompare > 0) {
return true;
}
if (upperCompare === 0 && upperInclusive) {
return true;
}
return false
},
format: () => {
return range;
},
toString: () => {
return `OSGIVersionRange[${range}]`;
}
};
}
}
/**
* @type {Object.<SemVer|Lexicographically|OSGI, {valid(string): boolean,range(string, string): (null|{test(string): (boolean), format(): string, toString(): string}),sort(string[]): string[],parse(string): (null|{major: int, minor: int, patch: int})}>}
*/
module.exports = { SemVer, Lexicographically, OSGI}