const SemVer = require('../classes/semver'); const inc = (version, release, options, identifier, identifierBase) => { if (typeof options === 'string') { identifierBase = identifier; identifier = options; options = undefined; } try { return new SemVer( version instanceof SemVer ? version.version : version, options ).inc(release, identifier, identifierBase).version; } catch (er) { return null; } }; module.exports = inc;