saleor-dashboard/src/hooks/useMultiAutocomplete.ts

import { MultiAutocompleteChoiceType } from "@saleor/components/MultiAutocompleteSelectField";
import { maybe } from "@saleor/misc";

import useListActions from "./useListActions";

function useMultiAutocomplete(initial: MultiAutocompleteChoiceType[] = []) {
  const { listElements, toggle } = useListActions<MultiAutocompleteChoiceType>(
    initial,
    (a, b) => a.value === b.value
  );
  const handleSelect = (
    event: React.ChangeEvent<any>,
    choices: MultiAutocompleteChoiceType[]
  ) => {
    const value: string = event.target.value;
    const match = choices.find(choice => choice.value === value);
    toggle({
      label: maybe(() => match.label, value),
      value
    });
  };

  return {
    change: handleSelect,
    data: listElements
  };
}

export default useMultiAutocomplete;