/**
 * Print out all wanted registered classes like padding helpers, margin helpers, font helpers, etc...
 * Available namespaces
 * - sugar.filter.{name} : .fi-{name}
 * - sugar.transition.{name} : .tr-{name}
 * - sugar.font.family.{name} : .f-{name}
 * - sugar.margin.bottom.{size} : .m-b-{size}
 * - sugar.margin.top.{size} : .m-t-{size}
 * - sugar.margin.left.{size} : .m-l-{size}
 * - sugar.margin.right.{size} : .m-r-{size}
 * - sugar.margin.side.{size} : .m-s-{size}
 * - sugar.padding.all.{size} : .p-{size}
 * - sugar.padding.top.{size} : .p-t-{size}
 * - sugar.padding.bottom.{size} : .p-b-{size}
 * - sugar.padding.left.{size} : .p-l-{size}
 * - sugar.padding.right.{size} : .p-r-{size}
 * - sugar.padding.side.{size} : .p-s-{size}
 * - sugar.size.{size} : .s-{size}
 * - sugar.size.rel.{size} : .s-{size}-rel
 * - sugar.padding.no.top : .no-p-t
 * - sugar.padding.no.bottom : .no-p-b
 * - sugar.padding.no.left : .no-p-l
 * - sugar.padding.no.right : .no-p-r
 * - sugar.padding.no.side : .no-p-s
 * - sugar.margin.no.top : .no-m-t
 * - sugar.margin.no.bottom : .no-m-b
 * - sugar.margin.no.left : .no-m-l
 * - sugar.margin.no.right : .no-m-r
 * - sugar.margin.no.side : .no-m-s
 * - sugar.color.{name}.color` .c-{name}
 * - sugar.color.{name}.bkg : .bkg-{name}
 * - sugar.color.{name}.modifier.{mod-name}.color : .c-{name}--{mod-name}
 * - sugar.color.{name}.modifier.{mod-name}.bkg : .bkg-{name}--{mod-name}
 * - sugar.pull.left : .pull-left
 * - sugar.pull.right : .pull-right
 * - sugar.position.relative : .relative
 * - sugar.position.absolute : .absolute
 * - sugar.clear.left : .clear-left
 * - sugar.clear.right : .clear-right
 * - sugar.clear.both : .clear
 * - sugar.pointer.events.all : .pointer-events-all
 * - sugar.pointer.events.none : .pointer-events-none
 * - sugar.display.show : .show
 * - sugar.display.show-inline : .show-inline
 * - sugar.display.hidden : .hidden
 * - sugar.display.hide : .hide
 * - sugar.display.visible : .visible
 * - sugar.display.invisible : .invisible
 * - sugar.display.visually-hidden : .visually-hidden
 * - sugar.text.hidden : .t-hidden
 * - sugar.text.truncate : .t-truncate
 * - sugar.text.align.left : .t-left
 * - sugar.text.align.right : .t-right
 * - sugar.text.align.center : .t-center
 * - sugar.text.align.justify : .t-justify
 * - sugar.text.transform.lowercase : .t-lowercase
 * - sugar.text.transform.uppercase : .t-uppercase
 * - sugar.text.transform.capitalize : .t-capitalize
 * - sugar.font.weight.bold : .f-bold
 * - sugar.font.weight.lighter : .f-lighter
 * - sugar.font.weight.bolder : .f-bolder
 * - sugar.font.weight.normal : .f-normal
 * - sugar.font.style.italic : .f-italic
 * - sugar.font.style.oblique : .f-oblique
 * - sugar.font.variant.small-caps : .f-small-caps
 * - sugar.block.align.center : .block-center
 * - sugar.ratio.21-9 : ```.ratio-21-9```
 * - sugar.ratio.16-9 : ```.ratio-16-9```
 * - sugar.ratio.4-3 : ```.ratio-4-3```
 * - sugar.ratio.1-1 : ```.ratio-1-1```
 * - sugar.size.abs.cover : ```.abs-cover```
 * - sugar.size.abs.contain : ```.abs-contain```
 * - sugar.size.abs.fit : ```.abs-fit```
 * - sugar.clearfix.default : .clearfix
 * - sugar.clearfix.float : .clearfix-float
 * - sugar.clearfix.micro : .clearfix-micro
 * - sugar.clearfix.overflow : .clearfix-overflow
 * - sugar.clearfix.facebook : .clearfix-facebook
 * - sugar.no-transitions : .no-transitions
 * - sugar.clear-transitions : .clear-transitions
 * - sugar.no-animations : .no-animations
 * - sugar.clear-animations : .clear-animations
 * - sugar.no-transmations : .no-transmations
 * - sugar.clear-transmations : .clear-transmations
 *
 * @param 			{List}<string> 			$namespaces 		The classes namespaces wanted
 *
 * @example
 * \@include s-classes(); // will print out all the classes
 * \@include s-classes('sugar.font'); // will print all the font classes
 * \@include s-classes('sugar.clearfix' 'sugar.pull'); // the clearfixes and the pull classes
 * // etc...
 *
 * @author 			Olivier Bossel <olivier.bossel@gmail.com> (https://olivierbossel.com)
 */
@mixin s-classes($namespaces: "sugar") {
  // init classes
  @include s-init-classes();

  // classes
  @if $namespaces {
    @each $namespace in $namespaces {
      // get values
      $values: _get($_sugar-classes, _split($namespace, "."));
      // get values
      @if type-of($values) == map {
        $values: map-deep-values($values);
        // loop to create each classes
        @each $value in $values {
          .#{$value} {
            @extend %#{$value} !optional;
          }
        }
      } @else if type-of($values) == string {
        .#{$values} {
          @extend %#{$values} !optional;
        }
      }
    }
  }
}