File: public/asset/vendor/select2/docs/themes/learn2/scss/vendor/color-schemer/color-schemer/_interpolation.scss

@function cs-interpolate($value, $units: 360, $stops: $ryb-interpolation) {
  
  // Loop numbers out of scale back into the scale.
  @while $value >= 360 {
    $value: $value - 360;
  }
  @while $value < 0 {
    $value: $value + 360;
  }

  // Find out how many units in each stop
  $cs-color-deg: $units / length($stops);

  // Count through stops
  $cs-deg-count: $cs-color-deg;
  $cs-stop-count: 1;

  // Add the first stop to the end so it will be
  // interpolated with the last stop.
  $stops: append($stops, nth($stops, 1));

  // Start interpolating
  @for $i from 0 through length($stops) {
    @if $value < $cs-deg-count {
      @return cs-mix(nth($stops, $cs-stop-count + 1), nth($stops, $cs-stop-count), abs(percentage(($cs-deg-count - $value) / $cs-color-deg) - 100 ), $model: rgb);
    }

    // If the value is not in this stop, loop up to another stop.
    @else {
      $cs-deg-count: $cs-deg-count + $cs-color-deg;
      $cs-stop-count: $cs-stop-count + 1
    }
  }
}