75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
var semver = require('semver');
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var mout = require('mout');
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function maxSatisfying(versions, range, strictMatch) {
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var version;
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var filteredVersions;
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// Filter only valid versions, since semver.maxSatisfying() throws an error
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versions = versions.filter(function (version) {
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return semver.valid(version);
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});
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// Exact version & range match
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if (semver.valid(range)) {
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version = mout.array.find(versions, function (version) {
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return version === range;
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});
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if (version) {
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return version;
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}
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}
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range = typeof range === 'string' ? range.trim() : range;
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// When strict match is enabled give priority to non-pre-releases
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// We do this by filtering every pre-release version
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if (strictMatch) {
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filteredVersions = versions.map(function (version) {
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return !isPreRelease(version) ? version : null;
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});
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version = semver.maxSatisfying(filteredVersions, range);
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if (version) {
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return version;
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}
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}
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// Fallback to regular semver max satisfies
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return semver.maxSatisfying(versions, range);
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}
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function maxSatisfyingIndex(versions, range, strictMatch) {
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var version = maxSatisfying(versions, range, strictMatch);
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if (!version) {
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return -1;
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}
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return versions.indexOf(version);
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}
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function clean(version) {
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var parsed = semver.parse(version);
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if (!parsed) {
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return null;
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}
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// Keep builds!
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return parsed.version + (parsed.build.length ? '+' + parsed.build.join('.') : '');
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}
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function isPreRelease(version) {
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var parsed = semver.parse(version);
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return parsed && parsed.prerelease && parsed.prerelease.length;
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}
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// Export a semver like object but with our custom functions
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mout.object.mixIn(module.exports, semver, {
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maxSatisfying: maxSatisfying,
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maxSatisfyingIndex: maxSatisfyingIndex,
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clean: clean,
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valid: clean
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});
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