import { Fun } from '@ephox/katamari'; import { getDemoRegistry } from '../buttons/DemoRegistry'; const editor = { on: (_s: string, _f: Function) => { }, isDirty: Fun.always }; export const registerVisualCharsItems = (): void => { getDemoRegistry().addToggleButton('visualchars', { type: 'togglebutton', enabled: true, onSetup: (buttonApi) => { editor.on('VisualChars', (e: any) => { buttonApi.setActive(e); }); return Fun.noop; }, onAction: (_buttonApi) => { // toggles visual chars } }); };