Toby
Thank you, it works well.
Ah, I have 2 extensions A, B
Extension A
extend(TextEditor.prototype, 'controlItems', function(items) {
items.add('insert', Button.component({
children : "Insert Image",
icon : "file-image-o",
className : 'Button Button--square',
onclick : () => app.modal.show(new InsertModal())
}));
});
Extension B
extend(TextEditor.prototype, 'controlItems', function(items) {
items.add('markdown', Button.component({
children : "Decor post",
icon : 'file-text',
className : 'Button Button--square',
onclick : () => app.modal.show(new MarkdownModal())
}));
});
but it just shows button insert