extjs-gpl/templates/admin-dashboard/classic/src/view/email/ComposeViewController.js

GPL licensed version of Sencha Ext JS

Ext.define('Admin.view.email.ComposeViewController', {
    extend: 'Ext.app.ViewController',
    alias: 'controller.emailcompose',

    onComposeDiscardClick: function(bt) {
        var win = bt.up('window');
        if (win) {
            win.close();
        }
    }
});