add modules

node_modules/semver/functions/inc.js

@@ -0,0 +1,15 @@
+const SemVer = require('../classes/semver')
+
+const inc = (version, release, options, identifier) => {
+  if (typeof (options) === 'string') {
+    identifier = options
+    options = undefined
+  }
+
+  try {
+    return new SemVer(version, options).inc(release, identifier).version
+  } catch (er) {
+    return null
+  }
+}
+module.exports = inc