How to compile all css into XXX-all.css

when i use sencha cmd to build project, my code like:

Code:

Ext.require(record.data.className, function () {
  //TODO
});

in record.data.className

Code:

Ext.define('XXX.view.SomeView' {
  extend: 'Ext.container.Container',
  requires: ['Ext.layout.container.Column']
  ......
});

Ext.layout.container.Column use x-column, but not compile it into XXX-all.css



How to compile all css into XXX-all.css