text: import './MatNumericUpDownField.scss';
  import {MDCTextField} from '@material/textfield';
  
  export class MatNumericUpDownField {
    constructor(ref) {
      const textField = new MDCTextField(ref);
    }
  }
  
  export function init(ref) {
    new MatNumericUpDownField(ref);
  }
  
  export function clearAndInvalid(ref) {
    // console.log( ref.getElementsByTagName('input')[0].value );
    ref.getElementsByTagName('input')[0].value ="";
    ref.classList.add("mdc-text-field--invalid");
  }
  
  export function setValue(ref, value) {
    // console.log( ref.getElementsByTagName('input')[0].value );
    ref.getElementsByTagName('input')[0].value = value;
  }