How to validate checkbox group with vuetify?

@tressie.damore 

To validate a checkbox group using Vuetify, you can use Vuetify's built-in validation functionality along with the v-for directive to loop through the checkboxes in the group.

Here's a step-by-step guide on how to validate a checkbox group with Vuetify:

1. First, create a data property in your Vue component to store the selected checkboxes. This property will be an array that will hold the values of the selected checkboxes.

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data() {
  return {
    checkboxes: []
  }
}

1. Next, add the checkboxes in your template using the v-checkbox component and v-for directive to loop through the checkboxes. Bind the checkboxes array to the v-model directive to track the selected checkboxes.

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<template>
   <v-checkbox v-for="checkbox in checkboxesData" :label="checkbox.label" v-model="checkboxes" :value="checkbox.value"></v-checkbox>
</template>

1. Add a validation rule to check if at least one checkbox is selected. You can add the validation rule in the validation section of your Vue component.

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validations: {
  checkboxes: {
    required: validators.required
  }
}

1. Display the validation message if no checkboxes are selected. You can use Vuetify's v-messages component to display the validation message.

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<template>
  <v-form @submit.prevent="submitForm">
    <!-- Checkbox group -->
    <v-checkbox v-for="checkbox in checkboxesData" :label="checkbox.label" v-model="checkboxes" :value="checkbox.value"></v-checkbox>

    <!-- Validation message -->
    <v-messages :value="!$v.checkboxes.required" class="error">
      <div v-if="!$v.checkboxes.required">Please select at least one option.</div>
    </v-messages>

    <!-- Submit button -->
    <v-btn type="submit">Submit</v-btn>
  </v-form>
</template>

By following these steps, you can validate a checkbox group in Vuetify. The validation rule added in step 3 will ensure that at least one checkbox is selected before the form can be submitted.