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import semver from 'semver';
/**
* Returns whether the given semver version satisfies the given range. Notably
* this supports prerelease versions so that "2.0.0-rc.0" satisfies the range
* ">=1.0.0", for example.
*
* This function exists because the semver.satisfies method does not include
* pre releases. This means ranges such as * would not satisfy 1.0.0-rc. The
* includePrerelease flag has a weird behavior and cannot be used (if you want
* to try it out, just run the `semverUtils` testsuite using this flag instead
* of our own implementation, and you'll see the failing cases).
*
* See https://github.com/yarnpkg/berry/issues/575 for more context.
*/
export function satisfiesWithPrereleases(version: string | null, range: string, loose: boolean = false): boolean {
let semverRange;
try {
semverRange = new semver.Range(range, loose);
} catch (err) {
return false;
}
if (!version)
return false;
let semverVersion: semver.SemVer;
try {
semverVersion = new semver.SemVer(version, semverRange.loose);
if (semverVersion.prerelease) {
semverVersion.prerelease = [];
}
} catch (err) {
return false;
}
// A range has multiple sets of comparators. A version must satisfy all
// comparators in a set and at least one set to satisfy the range.
return semverRange.set.some(comparatorSet => {
for (const comparator of comparatorSet)
if (comparator.semver.prerelease)
comparator.semver.prerelease = [];
return comparatorSet.every(comparator => {
return comparator.test(semverVersion);
});
});
}
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