Current File : //usr/lib/node_modules/npm/node_modules/unique-slug/index.js
'use strict'
var crypto = require('crypto')
var MurmurHash3 = require('imurmurhash')
module.exports = function (uniq) {
if (uniq) {
var hash = new MurmurHash3(uniq)
return ('00000000' + hash.result().toString(16)).substr(-8)
} else {
// Called without a callback, because this interface should neither block
// nor error (by contrast with randomBytes which will throw an exception
// without enough entropy).
//
// However, due to a change in Node 0.10.27+, pseudoRandomBytes is now the
// same as randomBytes, and may in fact block in situations where
// insufficent entropy is available.
return crypto.pseudoRandomBytes(4).toString('hex')
}
}
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