[4.1.1] Ext.data.Store, if buffered = true, method load() set options.start to NaN

[user ext]

Ext version tested:

• Ext 4.1.1

Description:

• Default pageSize = undefined.
  If set buffered = true then method load() set options.start = NaN (proxy requests wrong operation.start = NaN).
  See next source code of Ext.data.Store.
  

1)
Set config store (on define/create store): buffered = true.
Default config is:
pageSize = undefined,
In constructor:

 constructor: function(config) {
 ...
         if (me.buffered) {
             me.pageMap = new me.PageMap({
                 pageSize: me.pageSize, //here pageSize set to undefined
                 ...
             });
         ....
          }
 ...
 
         // Page size for non-buffered Store defaults to 25
         // For a buffered Store, the default page size is taken from the initial call to prefetch.
         if (!me.buffered && !me.pageSize) {
             me.pageSize  = me.defaultPageSize;
        
        //here pageSize is undefined
 
 ...
 }

2)
call store.load(); Then

     load: function(options) {
         var me = this;
 
         options = options || {};
 
         if (typeof options == 'function') {
             options = {
                 callback: options
             };
         }
 
         options.groupers = options.groupers ||  me.groupers.items;
         options.page = options.page || me.currentPage;
         options.start = (options.start !== undefined) ? options.start : (options.page - 1) * me.pageSize;
         //here options.start is NaN

Then options.start = NaN.

[mitchellsimoens]

Thanks for the report! I have opened a bug in our bug tracker.