View difference between Paste ID: iazMqTFz and BJ9PsGZ2

 module.exports = exports = function() {
     var defaultAlphabets = {
-    var bignum = require('bignum');
+
-    var crypto = require('crypto');
+
         32: "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567",
         36: "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ",
-    /*
+
-     * Default encoding alphabets
+
-     * URL-friendly base-64 encoding is chosen.  Base-32 is best suited
+
-     * for tiny-URL like applications, because I and 1 can't be confused
+
-     * and the upper-case characters are more easily remembered by a human.
+
-     *
+
-     * Where "native", we use the bignum native encoding routine.
+
-     */
+
         if (!alphabet) {
             var err = new Error("Only base " + Object.keys(alphabets).join(", ") + " supported if an alphabet is not provided.");
             cb(err, null);
             return;
         }
 		var id="";
 		while(id.length<len)
 		{
 			id+=alphabet[(Math.random()*alphabet.length|0)].toString();
-	/*
+
-    // Convert the bignum to a string with the given base
+
-    function bignumToString(bignum, base, alphabet) {
+
-        // Prefer native conversion
+