feat: useUploadThingInputProps #729

// inferred input off useUploadThing
type Input = Parameters<typeof useUploadThing>;

const useUploadThingInputProps = (...args: Input) => {
  const $ut = useUploadThing(...args);

  const handleChange = async (e: React.ChangeEvent<HTMLInputElement>) => {
    if (!e.target.files) return;

    const selectedFiles = Array.from(e.target.files);
    const result = await $ut.startUpload(selectedFiles);
  };

  return {
    inputProps: {
      handleChange,
      multiple: ($ut.permittedFileInfo?.config?.image?.maxFileCount ?? 1) > 1,
      accept: generateMimeTypes(fileTypes ?? [])?.join(", "),
    },
    isUploading: $ut.isUploading,
  };
};