import Editor from 'tinymce/core/api/Editor'; const register = (editor: Editor): void => { const onAction = () => editor.execCommand('mceNonBreaking'); editor.ui.registry.addButton('nonbreaking', { icon: 'non-breaking', tooltip: 'Nonbreaking space', onAction }); editor.ui.registry.addMenuItem('nonbreaking', { icon: 'non-breaking', text: 'Nonbreaking space', onAction }); }; export { register };