Fixed encode method bug.

Author: skrat

lib/base64-arraybuffer.js

@@ -10,13 +10,13 @@
 
   exports.encode = function(arraybuffer) {
     var bytes = new Uint8Array(arraybuffer),
-    i, len = bytes.buffer.byteLength, base64 = "";
+    i, len = bytes.length, base64 = "";
 
     for (i = 0; i < len; i+=3) {
-      base64 += chars[bytes.buffer[i] >> 2];
-      base64 += chars[((bytes.buffer[i] & 3) << 4) | (bytes.buffer[i + 1] >> 4)];
-      base64 += chars[((bytes.buffer[i + 1] & 15) << 2) | (bytes.buffer[i + 2] >> 6)];
-      base64 += chars[bytes.buffer[i + 2] & 63];
+      base64 += chars[bytes[i] >> 2];
+      base64 += chars[((bytes[i] & 3) << 4) | (bytes[i + 1] >> 4)];
+      base64 += chars[((bytes[i + 1] & 15) << 2) | (bytes[i + 2] >> 6)];
+      base64 += chars[bytes[i + 2] & 63];
     }
 
     if ((len % 3) === 2) {
@@ -56,4 +56,4 @@
 
     return arraybuffer;
   };
-})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");
+})("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/");