budibase/packages/standard-components/src/forms/AttachmentField.svelte

<script>
  import SpectrumField from "./SpectrumField.svelte"
  import Dropzone from "../attachments/Dropzone.svelte"
  import { onMount } from "svelte"

  export let field
  export let label

  let fieldState
  let fieldApi

  // Update form value from bound value after we've mounted
  let value
  let mounted = false
  $: mounted && fieldApi?.setValue(value)

  // Get the fields initial value after initialising
  onMount(() => {
    value = $fieldState?.value
    mounted = true
  })
</script>

<SpectrumField {label} {field} bind:fieldState bind:fieldApi defaultValue={[]}>
  {#if mounted}
    <Dropzone bind:files={value} />
  {/if}
</SpectrumField>