/** * @private * Classic. */Ext.define('Ext.d3.ComponentBase', { extend: 'Ext.Widget', destroy: function () { var me = this; if (me.hasListeners.destroy) { // This is consistent with Modern Component - `destroy` event is fired // _before_ component is destroyed, but not with Classic Component, where // the `destroy` event is fired _after_ component is destroyed. me.fireEvent('destroy', me); } me.callParent(); } });