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Diffstat (limited to 'node_modules/unique-slug/index.js')
-rw-r--r--node_modules/unique-slug/index.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/node_modules/unique-slug/index.js b/node_modules/unique-slug/index.js
new file mode 100644
index 000000000..7c5d6c751
--- /dev/null
+++ b/node_modules/unique-slug/index.js
@@ -0,0 +1,19 @@
+'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')
+ }
+}