Release

utils/index.js

@@ -0,0 +1,32 @@
+'use strict';
+
+/**
+ * Return a unique identifier with the given `len`.
+ *
+ * @param {Number} length
+ * @return {String}
+ * @api private
+ */
+module.exports.getUid = function(length) {
+    let uid = '';
+    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+    const charsLength = chars.length;
+
+    for (let i = 0; i < length; ++i) {
+        uid += chars[getRandomInt(0, charsLength - 1)];
+    }
+
+    return uid;
+};
+
+/**
+ * Return a random int, used by `utils.getUid()`.
+ *
+ * @param {Number} min
+ * @param {Number} max
+ * @return {Number}
+ * @api private
+ */
+function getRandomInt(min, max) {
+    return Math.floor(Math.random() * (max - min + 1)) + min;
+}