1'use strict' 2var MurmurHash3 = require('imurmurhash') 3 4module.exports = function (uniq) { 5 if (uniq) { 6 var hash = new MurmurHash3(uniq) 7 return ('00000000' + hash.result().toString(16)).slice(-8) 8 } else { 9 return (Math.random().toString(16) + '0000000').slice(2, 10) 10 } 11} 12