sass-site/source/assets/sass/components/_pop-stripe.scss

@use 'sass:math';
@use 'sass:list';
@use 'sass:meta';
@use 'sass:map';
@use '../config';
@use '../config/color/brand';

$sl-colors: ();

// loop over the variable names in config/color/brand.scss
@each $color-name in map.keys(meta.module-variables('brand')) {
  // turn each sass variable name into a css var() function
  $var: var(--#{$color-name});

  // add each var() function to the space-separated list
  $sl-colors: list.append($sl-colors, $var, space);
}

@function stripes($position, $sl-colors) {
  $sl-colors: if(
    meta.type-of($sl-colors) != 'list',
    compact($sl-colors),
    $sl-colors
  );
  $gradient: ();
  $width: math.div(100%, list.length($sl-colors));

  @for $i from 1 through list.length($sl-colors) {
    $pop: list.nth($sl-colors, $i);
    $new:
      $pop ($width * ($i - 1)),
      $pop ($width * $i);
    $gradient: list.join($gradient, $new, comma);
  }

  @return linear-gradient($position, $gradient);
}

.sl-c-pop-stripe {
  height: config.sl-px-to-rem(4px);
  background-image: stripes((to right), ($sl-colors));
  background-size: 100%;
}