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

<script>
  import { Multiselect } from "@budibase/bbui"
  import Field from "./Field.svelte"
  import { getOptions } from "./optionsParser"
  export let field
  export let label
  export let placeholder
  export let disabled = false
  export let validation
  export let defaultValue
  export let optionsSource = "schema"
  export let dataProvider
  export let labelColumn
  export let valueColumn
  export let customOptions

  let fieldState
  let fieldApi
  let fieldSchema

  $: flatOptions = optionsSource == null || optionsSource === "schema"
  $: options = getOptions(
    optionsSource,
    fieldSchema,
    dataProvider,
    labelColumn,
    valueColumn,
    customOptions
  )
</script>

<Field
  {field}
  {label}
  {disabled}
  {validation}
  {defaultValue}
  type="array"
  bind:fieldState
  bind:fieldApi
  bind:fieldSchema
>
  <Multiselect
    getOptionLabel={flatOptions ? x => x : x => x.label}
    getOptionValue={flatOptions ? x => x : x => x.value}
    {placeholder}
    {options}
  />
</Field>