import * as React from 'react'; import {Control, ControlBase} from './control'; import {FormView} from '../formView'; export class UnknownControl extends Control { renderControl():JSX.Element { return
don't know how to create control
field: {JSON.stringify(this.field)} must be object
face: {JSON.stringify(this.face)} must be object
; } } export class EmptyControl extends ControlBase { private element:JSX.Element; constructor(formView:FormView, element:JSX.Element) { super(formView); this.element = element; } renderControl():JSX.Element { return
{this.element}
; } }