ExtJS grid emptyText not visible in panel with vbox layout -

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i'm using ext js 5.1.0. if create grid in vbox layout no records, emptytext rendered in dom, height of grid calculated incorrectly , text not visible. there way automatically grow without having set height?

ext.onready(function () {     ext.define('foo', {         extend: 'ext.data.model',         fields: ['foo']     });     ext.define('foostore', {         extend: 'ext.data.store',         model: 'foo',         data: [                /*             { foo: 'foo1' },             { foo: 'foo2' }             */         ]            });     var foostore = ext.create('foostore', {});      ext.create('ext.panel.panel', {         renderto: ext.getbody(),         layout: {             type: 'vbox',             align: 'stretch'         },         items: [             {                 xtype: 'grid',                 title: 'foo grid',                 store: foostore,                 //height: 200, /* uncomment , emptytext visible */                 viewconfig: {                     emptytext: 'no foos found',                     deferemptytext: false                 },                 columns: [                     { text: 'foo', dataindex: 'foo', flex: 1 }                 ]             }         ]     }); });

i have fiddle here: https://jsfiddle.net/dsoa/ctx6vmkz/1/

add layout: 'auto' grid config.


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