The simple and tiny script for input mask
$ npm i -S @tadashi/mask
Codepen example: https://codepen.io/lagden/pen/XzLYJE
<input id="telefone" type="text" data-mask="(99) 9-9999-9999">
<script type="module">
import Mask from 'https://unpkg.com/@tadashi/mask@{version}/src/mask.js'
const mask = new Mask(telefone)
</script>MIT © Thiago Lagden