'use strict'
var MurmurHash3 = require('imurmurhash')
module.exports = function (uniq) {
if (uniq) {
var hash = new MurmurHash3(uniq)
return ('00000000' + hash.result().toString(16)).substr(-8)
} else {
return (Math.random().toString(16) + '0000000').substr(2, 8)
}
}