improve base64 encoding of empty strings; docs; tag for release

NEWS.md

@@ -1,3 +1,9 @@
+## JS-XMLRPC version 0.6.1 - 2022/12/19
+
+* fixed: `base64_encode('')` returns an empty string on all environments
+* improvement: `visualeditor.html?params=` will not preload the dialog with an empty parameter
+
+
 ## JS-XMLRPC version 0.6.0 - 2022/12/17
 
 * BREAKING CHANGE: transformed the library in an ES6 module, available as NPM package "@jsxmlrpc/jsxmlrpc".

debugger/debugger.html

@@ -754,7 +754,7 @@ <h3>Notices</h3>
 
 <h3>Changelog</h3>
 <ul>
-<li>ver 0.6 - 2022/12/XX: removed unsupported handling of cookies; request/response compression; timeout</li>
+<li>ver 0.6 - 2022/12/17: removed unsupported handling of cookies; request/response compression; timeout</li>
 </ul>
 </div>
 </div>

doc/xmlrpc_js.xml

@@ -8,10 +8,10 @@ JS-XMLRPC User manual
 <book lang="en">
   <title>JS-XMLRPC</title>
 
-  <subtitle>version 0.6</subtitle>
+  <subtitle>version 0.6.1</subtitle>
 
   <bookinfo>
-    <date>XX 12 2012</date>
+    <date>19 12 2012</date>
 
     <author>
       <surname>Gaetano Giunta</surname>

lib/xmlrpc_lib.js

@@ -107,7 +107,7 @@ export var xmlrpcName = 'XML-RPC for JAVASCRIPT';
  * Library version number. Used in the client's httprequests to identify self to server
  * @type string
  */
-export var xmlrpcVersion = '0.6';
+export var xmlrpcVersion = '0.6.1';
 
 // let user errors start at 800
 export var xmlrpcerruser = 800;
@@ -2273,7 +2273,7 @@ export function xmlrpc_decode_xml(xml_val, options)
 export function base64_decode (aString)
 {
     aString = aString.replace(/^\s+|\s+$/g, "");
-    if ((aString.length % 4) == 0)
+    if ((aString.length % 4) === 0)
     {
         if (typeof atob === 'function')
         {
@@ -2313,7 +2313,6 @@ export function base64_decode (aString)
  * @param {string} aString
  * @type string
  * @public
- * @bug given an empty string, returns '0' in IE and Opera
  */
 export function base64_encode (aString)
 {
@@ -2324,35 +2323,39 @@ export function base64_encode (aString)
     }
     else
     {
+        if (aString === '') {
+            return '';
+        }
+
         var base64 = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
                       'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
                       '0','1','2','3','4','5','6','7','8','9','+','/'];
         var sbin;
         var pad = 0;
         var s = '' + aString;
-        if ((s.length % 3) == 1)
+        if ((s.length % 3) === 1)
         {
             s += String.fromCharCode(0);
             s += String.fromCharCode(0);
             pad = 2;
         }
-        else if ((s.length % 3) == 2)
+        else if ((s.length % 3) === 2)
         {
             s += String.fromCharCode(0);
             pad = 1 ;
         }
         // create a result buffer, this is much faster than having strings concatenated
-        var rslt = [s.length / 3];
+        var rslt = [s.length / 3]; /// @todo why do we use s.length / 3 here ?
         var ri = 0;
-        for(var i = 0; i < s.length; i += 3)
+        for (var i = 0; i < s.length; i += 3)
         {
             sbin = ((s.charCodeAt(i) & 0xff) << 16) | ((s.charCodeAt(i+1) & 0xff) << 8) | (s.charCodeAt(i+2) & 0xff);
             rslt[ri] = (base64[(sbin >> 18) & 0x3f] + base64[(sbin >> 12) & 0x3f] + base64[(sbin >>6) & 0x3f] + base64[sbin & 0x3f]);
             ri++;
         }
         if (pad > 0)
         {
-            rslt[rslt.length-1] = rslt[rslt.length-1].substr(0, 4-pad) +((pad==2) ? '==' : (pad==1) ? '=' : '');
+            rslt[rslt.length-1] = rslt[rslt.length-1].substr(0, 4-pad) + ((pad === 2) ? '==' : (pad === 1) ? '=' : '');
         }
         return rslt.join('');
     }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@jsxmlrpc/jsxmlrpc",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "A javascript library for building xmlrpc and jsonrpc clients",
   "keywords": [
     "xmlrpc",