Looking at this code snippet:
<button type="button @click="editing=true">Edit</button>
<form v-show="editing" @submit="onSubmit">
<textarea v-model="text"></textarea>
</form>
<div> Current value: {{text}} </div>
new Vue({ //...
data: {
editing: false,
text: 'initial value..'
}
methods: {
onSubmit: function() { if (this.value.length < 5) alert("error") }
}
}
Is there a way to ensure that the {{text}} only displays a validated value without creating two separate data members for form input and display? Managing multiple data members can lead to complexity, especially with large forms.
Perhaps there is a v-model update hook that can handle validation?
The main question here is if it's feasible to avoid the need for dual data members.