1const Range = require('../classes/range') 2const validRange = (range, options) => { 3 try { 4 // Return '*' instead of '' so that truthiness works. 5 // This will throw if it's invalid anyway 6 return new Range(range, options).range || '*' 7 } catch (er) { 8 return null 9 } 10} 11module.exports = validRange 12