<script setup lang="ts">
import { useForm } from '@tanstack/vue-form'
import { useQuery } from '@tanstack/vue-query'
import { watchEffect, reactive } from 'vue'

const { data, isLoading } = useQuery({
  queryKey: ['data'],
  queryFn: async () => {
    await new Promise((resolve) => setTimeout(resolve, 1000))
    return { firstName: 'FirstName', lastName: 'LastName' }
  },
})

const firstName = computed(() => data.value?.firstName || '')
const lastName = computed(() => data.value?.lastName || '')

const defaultValues = reactive({
  firstName,
  lastName,
})

const form = useForm({
  defaultValues,
  onSubmit: async ({ value }) => {
    // Do something with form data
    console.log(value)
  },
})
</script>

<template>
  <p v-if="isLoading">Loading..</p>
  <form v-else @submit.prevent.stop="form.handleSubmit">
    <!-- ... -->
  </form>
</template>