Your build is messed up

[emahuni]

Failed to compile.

./node_modules/vue-e164/dist/vue-e164.js 6:8
Module parse failed: Unexpected token (6:8)
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
|  * @license MIT
|  */
> [object Promise]

if you check that file, that's the only thing you see in it.

[emahuni]

doing this as as a workaround:

import e164 from 'vue-e164/src/vue-e164';