The check function is usefull to set and validate the value of an custom component using an input or textarea element.
check
<script lang="ts"> import { faivform } from '@tuentyfaiv/svelte-form'; const form = faivform<Data>({ // ...config }); const { check } = $form;</script> <label class={$styles.container}> <span class={$styles.label}> <input class={$styles.input} on:input={check} on:blur={check} /></label>