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