Element ui email mask input vue directive

mask.js

import { createTextMaskInputElement } from 'text-mask-core';
import emailMask from 'text-mask-addons/dist/emailMask';

function inputHandler(el) {
  el.textMaskInputElement.update(el.value);
  el.dispatchEvent(new Event('input'));
}

function setupTextMask(outEl) {
  const el = outEl;
  el.textMaskInputElement = createTextMaskInputElement({
    inputElement: el,
    guide: true,
    mask: emailMask,
  });
  inputHandler(el);
}

function getInput(el) {
  return el.querySelector('.el-input__inner');
}

export default {
  inserted(el) {
    setupTextMask(getInput(el));
  },
  update(el) {
    inputHandler(getInput(el));
  },
};

can you add exsample how to use it ?