@mixin nsw-spacing($type, $sizes) {
  $is-longhand: (str-index($type, '-top') != null or str-index($type, '-bottom') != null or str-index($type, '-left') != null or str-index($type, '-right') != null);
  $has-multiple-values: length($sizes) > 1;
  $longhand-values: ();

  @if $is-longhand and $has-multiple-values {
    @error 'Multiple size values should be used with the shorthand property, you have passed in "#{$type}". Usa a single value or use a shorthand property name.';
  }

  @each $size in $sizes {
    @if $size != 'none' and $size != 'xs' and $size != 'sm' and $size != 'md' and $size != 'lg' and $size != 'xl' and $size != 'xxl' and $size != 'xxxl' and $size != 'xxxxl' {
      @error 'NSW-DS Spacing mixin allows the following spacing sizes: none, xs, sm, md, lg, xl, xxl, xxxl, xxxxl. You have used "#{$size}"';
    }

    @if $is-longhand {
      #{$type}: get-mapped-value($sizes, $spacing-sizes);
    } @else {
      $value: get-mapped-value($size, $spacing-sizes);
      $longhand-values: append($longhand-values, $value);

      #{$type}: $longhand-values;
    }
  }
}