uid2 - npm Package Compare versions

Comparing version 0.0.2 to 0.0.3

index.js

@@ -8,9 +8,9 @@ /**
 /**
- * The size ratio between a base64 string and the equivalent byte buffer
+ * 62 characters in the ascii range that can be used in URLs without special
+ * encoding.
  */
+var UIDCHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
 
-var ratio = Math.log(64) / Math.log(256);
-
 /**
- * Make a Base64 string ready for use in URLs
+ * Make a Buffer into a string ready for use in URLs
  *
@@ -21,5 +21,11 @@ * @param {String}
  */
+function tostr(bytes) {
+  var chars, r, i;
 
-function urlReady(str) {
-  return str.replace(/\+/g, '_').replace(/\//g, '-');
+  r = [];
+  for (i = 0; i < bytes.length; i++) {
+    r.push(UIDCHARS[bytes[i] % UIDCHARS.length]);
+  }
+
+  return r.join('');
 }
@@ -36,9 +42,9 @@
 function uid(length, cb) {
-  var numbytes = Math.ceil(length * ratio);
+
   if (typeof cb === 'undefined') {
-    return urlReady(crypto.randomBytes(numbytes).toString('base64').slice(0, length));
+    return tostr(crypto.pseudoRandomBytes(length));
   } else {
-    crypto.randomBytes(numbytes, function(err, bytes) {
+    crypto.pseudoRandomBytes(length, function(err, bytes) {
        if (err) return cb(err);
-       cb(null, urlReady(bytes.toString('base64').slice(0, length)));
+       cb(null, tostr(bytes));
     })
@@ -45,0 +51,0 @@ }

package.json

@@ -5,5 +5,5 @@ {
   "tags": ["uid"],
-  "version": "0.0.2",
+  "version": "0.0.3",
   "dependencies": {
   }
 }

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Improved metrics

Total package byte prevSize

2217

increased by101.55%

Number of package files

3

increased by50%

Number of low license alerts

0

decreased by-100%

Lines of code

45

increased by12.5%

No dependency changes