// Copy of _url-helpers.scss in govuk_frontend_toolkit
// to allow us to use gulp-base64-inline on all our images
// gulp-base64-inline requires you to specify which of your
// images you want encoded by using the `inline()` function
// see https://github.com/goschevski/gulp-base64-inline
@function file-url($file) {
  $url: '';
  @if $path {
    $url: inline($path + $file);
  } @else {
    $url: image-url($file);
  }
  @return $url;
}