// User for linear and radial gradients within background-image or border-image properties

@function _render-gradients($gradient-positions, $gradients, $gradient-type, $vendor: false) {

$pre-spec: null;
$spec: null;
$vendor-gradients: null;
@if $gradient-type == linear {
  @if $gradient-positions {
    $pre-spec: nth($gradient-positions, 1);
    $spec:     nth($gradient-positions, 2);
  }
}
@else if $gradient-type == radial {
  $pre-spec: nth($gradient-positions, 1);
  $spec:     nth($gradient-positions, 2);
}

@if $vendor {
  $vendor-gradients: -#{$vendor}-#{$gradient-type}-gradient(#{$pre-spec} $gradients);
}
@else if $vendor == false {
  $vendor-gradients: "#{$gradient-type}-gradient(#{$spec} #{$gradients})";
  $vendor-gradients: unquote($vendor-gradients);
}
@return $vendor-gradients;

}