Empty value on some devices

Describe the bug Hi, I'm faced with a bug that I really don't understand and that I'm unfornutalety unable to reproduce.

I'm using the directive v-facade on a VTextField from Vuetify, and in some cases it seems that we're unable to retreive the value entered by the user, resulting in null values in our logs.

Here's the implementation of one of the component where we're using Vue Input Facade:

<template>
    <VTextField
        v-facade="mask"
        :value="computedValue"
        :prepend-inner-icon="phoneIcon"
        label="Phone"
        @input.native="setInternalValue"
        @change="emitChangeEvent"
    />
</template>

<script lang="ts">
    import Vue from 'vue';
    import Component, { mixins } from 'vue-class-component';

    interface InputFacadeEvent extends Event {
        target?: {
            unmaskedValue: string;
        };
    }

    const Props = Vue.extend({
        props: {
            value: {
                type: String,
                default: undefined
            }
        }
    });

    const MixinsDeclaration = mixins(Props);

    @Component({
        model: {
            prop: 'value',
            event: 'change'
        }
    })
    export default class PhoneField extends MixinsDeclaration {
        internalValue: string | null = null;

        mask = '## ## ## ## ##';

        get computedValue(): string | null {
            return this.value ? this.formatPhone(this.value) : null;
        }

        formatPhone(value: string): string {
            const phone = value.match(/.{1,2}/g);

            if (!phone) {
                return '';
            }

            return phone.join(' ');
        }

        setInternalValue(event: InputFacadeEvent): void {
            const unmaskedValue = event.target?.unmaskedValue ?? null;
            this.internalValue = unmaskedValue;
        }

        emitChangeEvent(): void {
            this.$emit('change', this.internalValue);
        }
    }
</script>

We're using event.target?.unmaskedValue, maybe this is related to our issue?

Devices

We're seeing this behavior on different devices, such as:

iPhone with Safari 15.2, 15.1, 14.4.2
Android 9, 10, 11 and 12 with Chrome 87.0.4280.101, 90.0.4430.210, 92.0.4515.166, 96.0.4664.92, 97.0.4692.98 and 98.0.4758.87

I'm sorry to open a bug report with so little information, hopefully you might be able to help us in some way!

RonaldJerez / vue-input-facade

Empty value on some devices #53