/*
----------------------------------------
unpack()
----------------------------------------
Create lists of single items from lists
of lists.
----------------------------------------
(1, (2.1, 2.2), 3) -->
(1, 2.1, 2.2, 3)
----------------------------------------
*/

@use "sass:list";
@use "sass:meta";
@use "de-list" as *;

@function unpack($value) {
  $output: ();

  @if list.length($value) == 0 {
    @return $value;
  }

  @each $i in $value {
    @if meta.type-of($i) == "list" {
      @each $ii in $i {
        $output: list.append($output, $ii, comma);
      }
    } @else {
      $output: list.append($output, $i, comma);
    }
  }

  @return de-list($output);
}

// @debug unpack((1, (2.1, 2.2), 3));