--- /dev/null
+const Range = require('../classes/range')
+const validRange = (range, options) => {
+ try {
+ // Return '*' instead of '' so that truthiness works.
+ // This will throw if it's invalid anyway
+ return new Range(range, options).range || '*'
+ } catch (er) {
+ return null
+ }
+}
+module.exports = validRange