javascript - Uncaught Error: [Ext.create] Unrecognized class name / alias: MyApp.store.LibraryFolderTreeStore -


i'm migrating ext js 4 ext js 5.1 .i have code in extjs 4.2.1 giving console error after upgrading extjs 5.1 .it working in extjs 4.2.1, don't know why giving error, saying

uncaught error: [ext.create] unrecognized class name / alias: myapp.store.libraryfoldertreestore

ext.define('myapp.view.library.librarytreeview', {        extend : 'ext.tree.panel',        alias : 'widget.librarytreeview',        requires: [          'myapp.store.libraryfoldertreestore'        ],        store : ext.create("myapp.store.libraryfoldertreestore") // getting error on line        .... });

you cannot use ext.create while defining class.

you have use initcomponent method in can assign config using ext.create.

ext.define('myapp.view.library.librarytreeview', {        extend : 'ext.tree.panel',        alias : 'widget.librarytreeview',        requires: [          'myapp.store.libraryfoldertreestore'        ],        initcomponent : function(){        this.store = ext.create("myapp.store.libraryfoldertreestore");        this.callparent();        }         // getting error on line        .... });

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